SCND / Scientific Industries, Inc. - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Scientific Industries, Inc.
US ˙ OTCPK

Mga Batayang Estadistika
CIK 87802
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Scientific Industries, Inc.
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
August 27, 2025 EX-16.2

LETTER OF BERKOWITZ POLLACK BRANT

EXHIBIT 16.2

August 27, 2025 8-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): August 22, 2025

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): August 22, 2025 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer

August 27, 2025 EX-16.1

August 26, 2025

EXHIBIT 16.1 August 26, 2025 U.S. Securities and Exchange Commission 100 F Street, NE Washington, DC 20549 Ladies and Gentlemen: We have read the statements made by Scientific Industries, Inc. (the “Registrant”) in its Form 8-K dated August 26, 2025 and are in agreement with the statements therein concerning Forvis Mazars, LLP. We have no basis to agree or disagree with other statements of the Reg

August 19, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTION

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 0-6658 SCIENTIFIC INDUSTRIES, INC. (Exact

August 14, 2025 NT 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form N-SAR ☐ Form NCSR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form N-SAR ☐ Form NCSR For Period Ended: ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report on Form 10-Q ☐ Transition Report on Form N-SAR For the Period Ended: June 30, 2025 Nothing in this form shall be construed to imply that the Commission has verified any information contained herein.

August 11, 2025 8-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): August 7, 2025

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): August 7, 2025 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer N

August 11, 2025 EX-2.1

ASSET PURCHASE AGREEMENT

EXHIBIT 2.1 ASSET PURCHASE AGREEMENT This Asset Purchase Agreement (this “Agreement”) is entered into as of August 7, 2025, by and between Troemner, LLC, a Delaware limited liability company (“Buyer”) and Scientific Industries, Inc., a Delaware corporation (“Seller”). Buyer and Seller are each referred to herein individually as a “Party” and collectively, as the “Parties.” RECITALS WHEREAS, Seller

August 11, 2025 EX-10.2

TRANSITION SERVICES AGREEMENT

EXHIBIT 10.2 TRANSITION SERVICES AGREEMENT This Transition Services Agreement (this “Agreement”) is entered into as of August 7, 2025, by and between Troemner, LLC, a Delaware limited liability company (“Buyer”) and Scientific Industries Inc., a Delaware corporation (“Seller”). Buyer and Seller are each referred to herein individually as a “Party” and collectively, as the “Parties.” RECITALS WHERE

August 11, 2025 EX-10.1

Manufacturing and Supply Agreement

EXHIBIT 10.1 Manufacturing and Supply Agreement This Manufacturing and Supply Agreement (“Agreement”) is entered into August 7, 2025 (the “Effective Date”), by and between Troemner, LLC (“Purchaser”), a limited liability company organized under the laws of Delaware with a place of business at 201 Wolf Drive, Thorofare, New Jersey 08086 and Scientific Industries, Inc. (“Manufacturer”), a corporatio

July 22, 2025 424B3

Scientific Industries, Inc. 1,050,000 Shares of Common Stock, and 500,000 Shares of Common Stock Issuable Upon Exercise of Pre-Funded Warrants and 1,550,000 Shares of Common Stock Issuable Upon Exercise of Warrants

Filed Pursuant to Rule 424(b)(3) Registration No. 333-288450 Scientific Industries, Inc. 1,050,000 Shares of Common Stock, and 500,000 Shares of Common Stock Issuable Upon Exercise of Pre-Funded Warrants and 1,550,000 Shares of Common Stock Issuable Upon Exercise of Warrants This prospectus relates to the resale or other disposition, from time to time, by the selling stockholders identified in thi

July 18, 2025 CORRESP

Scientific Industries, Inc. 80 Orville Drive, Suite 102 Bohemia, NY 11716

Scientific Industries, Inc. 80 Orville Drive, Suite 102 Bohemia, NY 11716 July 18, 2025 Securities and Exchange Commission 100 F Street, NE Washington DC 20549 Re: Scientific Industries, Inc. (the “Company”) Registration Statement on Form S-1 Filed July 18, 2025, as amended File No. 333-288450 Ladies and Gentlemen: Pursuant to Rules 460 and 461 under the Securities Act of 1933, as amended, Scienti

July 18, 2025 S-1/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 3 Form S-1 REGISTRATION STATEMENT THE SECURITIES ACT OF 1933

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 3 to Form S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SCIENTIFIC INDUSTRIES, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 3826 04-2217279 (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial Classification Code Number) (I.R.S. Employer

July 18, 2025 EX-FILING FEES

Filing Fee Table**

EXHIBIT 107 Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Proposed Maximum Aggregate Offering Price(1)(2) Fee Rate Amount of Registration Fee Fees to be Paid Equity Common Stock, $0.

July 14, 2025 EX-FILING FEES

Filing Fee Table**

EXHIBIT 107 Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Proposed Maximum Aggregate Offering Price(1)(2) Fee Rate Amount of Registration Fee Fees to be Paid Equity Common Stock, $0.

July 14, 2025 S-1/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 2 Form S-1 REGISTRATION STATEMENT THE SECURITIES ACT OF 1933

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 2 to Form S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SCIENTIFIC INDUSTRIES, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 3826 04-2217279 (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial Classification Code Number) (I.R.S. Employer

July 1, 2025 EX-FILING FEES

Filing Fee Table**

EXHIBIT 107 Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Proposed Maximum Aggregate Offering Price(1)(2) Fee Rate Amount of Registration Fee Fees to be Paid Equity Common Stock, $0.

July 1, 2025 S-1

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form S-1 REGISTRATION STATEMENT THE SECURITIES ACT OF 1933

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SCIENTIFIC INDUSTRIES, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 3826 04-2217279 (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Identification No.

July 1, 2025 S-1/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form S-1 /A REGISTRATION STATEMENT THE SECURITIES ACT OF 1933

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form S-1 /A REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SCIENTIFIC INDUSTRIES, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 3826 04-2217279 (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Identification

July 1, 2025 EX-FILING FEES

Filing Fee Table**

EXHIBIT 107 Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Proposed Maximum Aggregate Offering Price(1)(2) Fee Rate Amount of Registration Fee Fees to be Paid Equity Common Stock, $0.

May 21, 2025 EX-10.2

Agreement, dated as of May 20, 2025, between Scientific Bioprocessing, Inc. and John A. Moore

EXHIBIT 10.2 AMENDMENT NO. 1 TO EMPLOYMENT AGREEMENT This Amendment No. 1 to the Employment Agreement between Scientific Bioprocessing, Inc. (the “Company”) and John Moore (“Employee”) is made this 20th day of May, 2025 (“Amendment”). The Company and Employee are hereinafter collectively referred to as the “Parties.” WHEREAS, the Company and Employee are parties to an existing Employment Agreement

May 21, 2025 EX-10.1

Agreement, dated as of May 20, 2025, between Scientific Industries, Inc. and Helena Santos

EXHIBIT 10.1 AMENDMENT NO. 2 TO EMPLOYMENT AGREEMENT This Amendment No. 2 to the Employment Agreement between Scientific Industries, Inc. (the “Company”) and Helena Santos (“Employee”) is made this 20th day of May, 2025 (“Amendment”). The Company and Employee are hereinafter collectively referred to as the “Parties.” WHEREAS, the Company and Employee are parties to that certain Employment Agreemen

May 21, 2025 8-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 20, 2025

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 20, 2025 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer No.

May 13, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTIO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 0-6658 SCIENTIFIC INDUSTRIES, INC. (Exac

April 22, 2025 EX-4.2

Registration Rights Agreement, dated as of April 18, 2025, by and among the Company and the Investors named therein (incorporated by reference to Exhibit 4.2 to the Company’s Current Report on Form 8-K filed with the SEC on April 25, 2025)

EXHIBIT 4.2 REGISTRATION RIGHTS AGREEMENT This Registration Rights Agreement (this “Agreement”) is made and entered into as of April , 2025, by and among Scientific Industries, Inc., a Delaware corporation (the “Company”), and each of the investors listed on Schedule A hereto (collectively, the “Investors” and each, an “Investor”). WHEREAS, the Company and the Investors are parties to a Securities

April 22, 2025 EX-4.1

Form of Warrant

EXHIBIT 4.1 THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR APPLICABLE STATE SECURITIES LAWS. THE SECURITIES HAVE BEEN ACQUIRED SOLELY FOR INVESTMENT PURPOSES AND NOT WITH A VIEW TOWARD RESALE AND MAY NOT BE OFFERED FOR SALE, SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF AN EFFECTIVE REGISTRATION STATEMENT FOR THE SECURITIES UNDER THE S

April 22, 2025 EX-10.3

Form of Pre-Funded Warrant issued on April 18, 2025 to certain Purchaser listed in that certain Securities Purchase Agreement dated as of April 18, 2025 (incorporated by reference to Exhibit 10.3 to the Company’s Current Report on Form 8-K filed with the SEC on April 22, 2025)

EXHIBIT 10.3 THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR APPLICABLE STATE SECURITIES LAWS. THE SECURITIES HAVE BEEN ACQUIRED SOLELY FOR INVESTMENT PURPOSES AND NOT WITH A VIEW TOWARD RESALE AND MAY NOT BE OFFERED FOR SALE, SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF AN EFFECTIVE REGISTRATION STATEMENT FOR THE SECURITIES UNDER THE

April 22, 2025 EX-10.1

Securities Purchase Agreement, dated as of April 18, 2025 by and among the Company and the Purchasers named therein (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed with the SEC on April 22, 2025)

EXHIBIT 10.1 THE SECURITIES OFFERED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), OR THE SECURITIES LAWS OF ANY STATE AND ARE BEING OFFERED AND SOLD IN RELIANCE UPON EXEMPTIONS FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT. THE SECURITIES PURCHASED HEREUNDER MAY NOT BE TRANSFERRED OR RESOLD EXCEPT AS PERMITTED UNDER THE SECURITIES A

April 22, 2025 EX-10.2

Form of Warrant issued on April 18, 2025 to certain Purchasers listed in that certain Securities Purchase Agreement dated as of April 18, 2025 (incorporated by reference to Exhibit 10.2 to the Company’s Current Report on Form 8-K filed with the SEC on April 22, 2025)

EXHIBIT 10.2 THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR APPLICABLE STATE SECURITIES LAWS. THE SECURITIES HAVE BEEN ACQUIRED SOLELY FOR INVESTMENT PURPOSES AND NOT WITH A VIEW TOWARD RESALE AND MAY NOT BE OFFERED FOR SALE, SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF AN EFFECTIVE REGISTRATION STATEMENT FOR THE SECURITIES UNDER THE

April 22, 2025 8-K

Current Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 18, 2025 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer N

April 2, 2025 8-K

Current Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 1, 2025 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer No

March 31, 2025 EX-19.1

Policy on Insider Trading (Filed herewith)

EXHIBIT 19.1 Scientific Industries, Inc. Policy on Insider Trading This Insider Trading Policy (this “Policy”) sets forth the policy of Scientific Industries, Inc. (the “Company”) on trading the Company’s securities or securities of certain other publicly traded companies while in possession of confidential information and the disclosure of such confidential information. This Policy is divided int

March 31, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period SCIENTIFIC INDUSTRIES, INC. (Exact Name of Registrant in Its Charter) Delawa

November 14, 2024 SC 13G/A

SCND / Scientific Industries, Inc. / LYTTON LAURENCE W Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 4)* Scientific Industries, Inc. (Name of Issuer) Common Stock, par value $0.05 (Title of Class of Securities) 808757108 (CUSIP Number) September 30, 2024 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule

November 14, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 ☐ TRANSITION REPORT PURSUANT TO SE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 0-6658 SCIENTIFIC INDUSTRIES, INC. (

November 13, 2024 SC 13D/A

SCND / Scientific Industries, Inc. / Bleichroeder LP - FILING Activist Investment

SC 13D/A 1 eps11635.htm FILING UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 1)* Scientific Industries, Inc. (Name of Issuer) Common Stock, $0.05 par value (Title of Class of Securities) 808757108 (CUSIP Number) Bleichroeder LP 1345 Avenue of the Americas, 47th Floor, New York, New York 10105 (212) 698-

August 14, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 0-6658 SCIENTIFIC INDUSTRIES, INC. (Exact

July 18, 2024 EX-4.H

EX-4.H

EXHIBIT 4(h)

July 18, 2024 10-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A (Amendment No. 1) ☒ ANNUAL REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 ☐ TRANSITION REPORT PUR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A (Amendment No. 1) ☒ ANNUAL REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period SCIENTIFIC INDUSTRIES, INC. (Exact Name of Registrant in

July 17, 2024 CORRESP

July 17, 2024

80 Orville Drive Bohemia, New York 11716 (631)567-4700 Fax (631)567-5896 www.scientificindustries.com July 17, 2024 Securities and Exchange Commission 100 F Street, NE Washington DC 20549 Attn: Division of Corporation Finance Office of Industrial Applications and Services Re: Scientific Industries, Inc. (the “Company”) Annual Report on Form 10-K for the fiscal year ended December 31, 2023 Filed Ma

June 28, 2024 424B3

Scientific Industries, Inc. 3,500,000 Shares of Common Stock 4,535,000 Shares of Common Stock issuable upon Exercise of Warrants

Filed Pursuant to Rule 424(b)(3) Registration No. 333-278009 Scientific Industries, Inc. 3,500,000 Shares of Common Stock and 4,535,000 Shares of Common Stock issuable upon Exercise of Warrants This prospectus relates to the resale or other disposition, from time to time, by the selling stockholders identified in this prospectus under the caption “Selling Stockholders,” of up to 8,035,000 shares o

June 25, 2024 CORRESP

Scientific Industries, Inc. 80 Orville Drive, Suite 102 Bohemia, NY 11716

Scientific Industries, Inc. 80 Orville Drive, Suite 102 Bohemia, NY 11716 June 25, 2024 Securities and Exchange Commission 100 F Street, NE Washington DC 20549 Re: Scientific Industries, Inc. (the “Company”) Registration Statement on Form S-1 Filed March 15, 2024, as amended File No. 333-278009 Ladies and Gentlemen: Pursuant to Rules 460 and 461 under the Securities Act of 1933, as amended, Scient

June 18, 2024 S-1/A

As filed with the Securities and Exchange Commission on ___________

As filed with the Securities and Exchange Commission on Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 3 TO Form S-1/A REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SCIENTIFIC INDUSTRIES, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 3826 04-2217279 (State or other jurisdiction of incorporation or organiz

June 18, 2024 EX-FILING FEES

Filing Fee Table**

EXHIBIT 107 Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Proposed Maximum Aggregate Offering Price(1)(2) Fee Rate Amount of Registration Fee Fees to be Paid Equity Common stock, $0.

June 6, 2024 8-K

Changes in Registrant's Certifying Accountant

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): June 1, 2024 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer No.

June 6, 2024 EX-16.1

Mazars USA, LLP Response Letter

EXHIBIT 16.1

May 31, 2024 EX-FILING FEES

Filing Fee Table**

EXHIBIT 107 Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Proposed Maximum Aggregate Offering Price(1)(2) Fee Rate Amount of Registration Fee Fees to be Paid Equity Common stock, $0.

May 31, 2024 S-1/A

As filed with the Securities and Exchange Commission on ___________

As filed with the Securities and Exchange Commission on Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 2 TO Form S-1/A REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SCIENTIFIC INDUSTRIES, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 3826 04-2217279 (State or other jurisdiction of incorporation or organiz

May 15, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTIO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 0-6658 SCIENTIFIC INDUSTRIES, INC. (Exac

May 2, 2024 EX-FILING FEES

Filing Fee Table**

EXHIBIT 107 Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Proposed Maximum Aggregate Offering Price(1)(2) Fee Rate Amount of Registration Fee Fees to be Paid Equity Common stock, $0.

May 2, 2024 S-1/A

As filed with the Securities and Exchange Commission on ___________

As filed with the Securities and Exchange Commission on Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form S-1/A REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SCIENTIFIC INDUSTRIES, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 3826 04-2217279 (State or other jurisdiction of incorporation or organization) (Primary Sta

April 15, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (As Permitted by Rule 14a-6(e)

April 15, 2024 8-K

Current Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 12, 2024 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer N

April 8, 2024 8-K

Current Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 4, 2024 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer No

April 8, 2024 CORRESP

Very truly yours, John F.F. Watkins

April 8, 2024 VIA EDGAR Mr. Robert Augustin Division of Corporation Finance Office of Industrial Applications and Services United States Securities and Exchange Commission 100 F Street N.E. Washington, D.C. 20549 Re: Scientific Industries, Inc. Registration Statement on Form S-1 Filed March 15, 2024 File No. 333-278009 Dear Mr. Augustin, On behalf of Scientific Industries, Inc., a Delaware corpora

March 29, 2024 EX-4.H

EX-4.H

EXHIBIT 4(h)

March 29, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period SCIENTIFIC INDUSTRIES, INC. (Exact Name of Registrant in Its Charter) Delawa

March 21, 2024 SC 13G/A

SCND / Scientific Industries, Inc. / NORTH RUN CAPITAL, LP Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G (Rule 13d-102) (Amendment No.

March 15, 2024 EX-FILING FEES

Filing Fee Table**

EXHIBIT 107 Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Proposed Maximum Aggregate Offering Price(1)(2) Fee Rate Amount of Registration Fee Fees to be Paid Equity Common stock, $0.

March 15, 2024 S-1

As filed with the Securities and Exchange Commission on ___________

As filed with the Securities and Exchange Commission on Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SCIENTIFIC INDUSTRIES, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 3826 04-2217279 (State or other jurisdiction of incorporation or organization) (Primary Stand

March 7, 2024 EX-10.1

Consulting Agreement dated September 19, 2023, by and between the Company and Mr. Nicols.

EXHIBIT 10.1

March 7, 2024 8-K

Current Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 4, 2024 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer No

February 14, 2024 SC 13G

SCND / Scientific Industries, Inc. / NORTH RUN CAPITAL, LP Passive Investment

SC 13G 1 formsc13g-scientific.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G (Rule 13d-102) (Amendment No. ) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Scientific Industries, Inc. (Name of Issuer) Common Stock, par value $

February 14, 2024 SC 13G/A

SCND / Scientific Industries, Inc. / LYTTON LAURENCE W Passive Investment

SC 13G/A 1 scnd13ga3.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* Scientific Industries, Inc. (Name of Issuer) Common Stock, par value $0.05 (Title of Class of Securities) 808757108 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate bo

February 14, 2024 SC 13G/A

SCND / Scientific Industries, Inc. / SATTERFIELD THOMAS A JR - SC 13G/A Passive Investment

SC 13G/A 1 d759058dsc13ga.htm SC 13G/A SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2 (Amendment No. 2)* Scientific Industries, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 808757108 (CUSIP Number) De

January 22, 2024 8-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): January 17, 2023

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): January 17, 2023 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer

December 22, 2023 8-K

Unregistered Sales of Equity Securities

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): December 19, 2023 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employe

December 15, 2023 EX-10.1

Securities Purchase Agreement, dated as of December 13, 2023 by and among the Company and the Purchasers named therein (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed with the SEC on December 15, 2023)

EXHIBIT 10.1 THE SECURITIES OFFERED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), OR THE SECURITIES LAWS OF ANY STATE AND ARE BEING OFFERED AND SOLD IN RELIANCE UPON EXEMPTIONS FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT. THE SECURITIES PURCHASED HEREUNDER MAY NOT BE TRANSFERRED OR RESOLD EXCEPT AS PERMITTED UNDER THE SECURITIES A

December 15, 2023 EX-4.2

Registration Rights Agreement, dated as of December 13, 2023, by and among the Company and the Investors named therein (incorporated by reference to Exhibit 4.2 to the Company’s Current Report on Form 8-K filed with the SEC on December 15, 2023)

EXHIBIT 4.2 REGISTRATION RIGHTS AGREEMENT This Registration Rights Agreement (this “Agreement”) is made and entered into as of , 2023, by and among Scientific Industries, Inc., a Delaware corporation (the “Company”), and each of the investors listed on Schedule A hereto (collectively, the “Investors” and each, an “Investor”). WHEREAS, the Company and the Investors are parties to a Securities Purch

December 15, 2023 8-K

Entry into a Material Definitive Agreement, Unregistered Sales of Equity Securities

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): December 13, 2023 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employe

December 15, 2023 SC 13D

SCND / Scientific Industries, Inc. / Bleichroeder LP - 13D Activist Investment

SC 13D 1 SND13D.htm 13D SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 Scientific Industries, Inc. (Name of Issuer) Common Stock, $0.05 par value (Title of Class of Securities) 808757108 (CUSIP Number) Bleichroeder LP 1345 Avenue of the Americas, 47th Floor, New York, New York 10105 (212) 698-3101 (Name, Address and Telephone Number

December 15, 2023 EX-4.1

Form of Replacement Warrants issued on December 19, 2023, December 20, 2023 and January 17, 2024 to certain Purchasers listed in that certain Securities Purchase Agreement dated as of December 13, 2023 (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed with the SEC on December 15, 2023)

EXHIBIT 4.1 THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR APPLICABLE STATE SECURITIES LAWS. THE SECURITIES HAVE BEEN ACQUIRED SOLELY FOR INVESTMENT PURPOSES AND NOT WITH A VIEW TOWARD RESALE AND MAY NOT BE OFFERED FOR SALE, SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF AN EFFECTIVE REGISTRATION STATEMENT FOR THE SECURITIES UNDER THE S

December 15, 2023 EX-10.2

Replacement Warrant (incorporated by reference to Form 8-K as filed on December 15, 2023)

EXHIBIT 10.2 THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR APPLICABLE STATE SECURITIES LAWS. THE SECURITIES HAVE BEEN ACQUIRED SOLELY FOR INVESTMENT PURPOSES AND NOT WITH A VIEW TOWARD RESALE AND MAY NOT BE OFFERED FOR SALE, SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF AN EFFECTIVE REGISTRATION STATEMENT FOR THE SECURITIES UNDER THE

December 11, 2023 8-K

Current Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): December 7, 2023 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer

December 1, 2023 8-K

Changes in Registrant's Certifying Accountant

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): November 29, 2023 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employe

December 1, 2023 EX-16.1

Letter of Macias Gini & O’Connell LLP to the Securities and Exchange Commission dated December 1, 2023

EXHIBIT 16.1 December 1, 2023 Securities and Exchange Commission 100 F Street N.E. Washington, D.C. 20549 We have been furnished with a copy of the response to Item 4.01 of Form 8-K for the event that occurred on November 29, 2023 to be filed by our former client, Scientific Industries, Inc. We agree with the statements made in response to that Item insofar as they relate to our Firm. We have no b

December 1, 2023 RW

December 1, 2023

December 1, 2023 VIA EDGAR United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.

November 14, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 ☐ TRANSITION REPORT PURSUANT TO SE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 0-6658 SCIENTIFIC INDUSTRIES, INC. (

October 4, 2023 EX-4.11

Form of Pre-Funded Warrant**

EXHIBIT 4.11 PRE-FUNDED COMMON STOCK PURCHASE WARRANT SCIENTIFIC INDUSTRIES, INC. Warrant Shares: Initial Exercise Date: , 2023 THIS PRE-FUNDED COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the dat

October 4, 2023 EX-FILING FEES

Filing Fee Table**

EXHIBIT 107 Calculation of Filing Fee Tables1 Form S-1 Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Share Maximum Aggregate Offering Price(1)(2) Fee Rate Amount of Registration Fee Equity Common stock, $0.

October 4, 2023 EX-4.10

Form of Common Warrant**

EXHIBIT 4.10 COMMON STOCK PURCHASE WARRANT SCIENTIFIC INDUSTRIES, INC. Warrant Shares: Initial Exercise Date: , 2023 THIS COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the date hereof (the “Initial

October 4, 2023 S-1/A

As filed with the Securities and Exchange Commission on October 4, 2023

As filed with the Securities and Exchange Commission on October 4, 2023 Registration No.

September 22, 2023 EX-99.1

Investor Presentation

EXHIBIT 99.1

September 22, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 22, 2023 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other jurisdiction of incorporation) (Comm

August 14, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 0-6658 SCIENTIFIC INDUSTRIES, INC. (Exact

July 28, 2023 S-1/A

As filed with the Securities and Exchange Commission on July 28, 2023

As filed with the Securities and Exchange Commission on July 28, 2023 Registration No.

July 28, 2023 EX-FILING FEES

Filing Fee Table**

EXHIBIT 107 Calculation of Filing Fee Tables1 Form S-1 Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Share(1) Maximum Aggregate Offering Price(3) Fee Rate Amount of Registration Fee Fees to be Paid Equity Common stock, $0.

July 7, 2023 S-1/A

As filed with the Securities and Exchange Commission on July 7, 2023

As filed with the Securities and Exchange Commission on July 7, 2023 Registration No.

July 7, 2023 EX-FILING FEES

Filing Fee Table**

EXHIBIT 107 Calculation of Filing Fee Tables1 Form S-1 Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Share(1) Maximum Aggregate Offering Price(3) Fee Rate Amount of Registration Fee Fees to be Paid Equity Common stock, $0.

July 6, 2023 8-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): June 30, 2023

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): June 30, 2023 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer No

July 6, 2023 EX-10.1

Employment agreement dated June 30, 2023 by and between the Company and Mr. Averilla

EXHIBIT 10.1

June 23, 2023 EX-FILING FEES

Filing Fee Table**

EXHIBIT 107 CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to Be Registered Amount to be Registered Proposed Maxium Offering Price per Share (1) Proposed Maxium Aggregate Offering Price Amount of Registration Fee Shares of Common Stock, $ 4.

June 23, 2023 S-1

As filed with the Securities and Exchange Commission on ___________

As filed with the Securities and Exchange Commission on Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SCIENTIFIC INDUSTRIES, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 3826 04-2217279 (State or other jurisdiction of incorporation or organization) (Primary Stand

June 14, 2023 8-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): June 13, 2023

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): June 13, 2023 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer No

June 14, 2023 EX-99.1

Scientific Industries Announces Retirement of Member of Board of Directors

EXHIBIT 99.1 Scientific Industries Announces Retirement of Member of Board of Directors BOHEMIA, NY / June 14, 2023 / Scientific Industries, Inc. (OTCQB: SCND), a life sciences tool provider, and a developer of digitally simplified bioprocessing products, announced today that Joseph G. Cremonese, a member of the Company’s board of directors is retiring and has therefore, resigned, from the Company

May 15, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTIO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 0-6658 SCIENTIFIC INDUSTRIES, INC. (Exac

April 17, 2023 10-KT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-KT ☐ ANNUAL REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended ☒ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-KT ☐ ANNUAL REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended ☒ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from July 1, 2022 to December 31, 2022 Commission file number 0-6658 SCIENTIFIC INDUSTRIES, I

April 17, 2023 8-K

Non-Reliance on Previously Issued Financial Statements or a Related Audit Report or Completed Interim Review

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 12, 2023 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer N

March 31, 2023 NT 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): ☒ Form 10-K ☐ Form 20-F ☐ Form 11-K ☐ Form 10-Q ☐ Form N-SAR ☐ Form NCSR For Period Ended: ☒ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report on Form 10-Q ☐ Transition Report on Form N-SAR For the Transition Period Ended: December 31, 2022 Nothing in this form shall be construed to imply that the Commission has verified any information contained herein.

March 7, 2023 SC 13G/A

SCND / Scientific Industries, Inc. / LYTTON LAURENCE W Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* Scientific Industries, Inc. (Name of Issuer) Common Stock, par value $0.05 (Title of Class of Securities) 808757108 (CUSIP Number) December 31, 20221 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule

February 15, 2023 SC 13D/A

SCND / Scientific Industries, Inc. / EDDLEMAN ROY T - AMENDMENT NO. 4 TO SCHEDULE 13D Activist Investment

SC 13D/A 1 ea173413-13da4eddlemanscien.htm AMENDMENT NO. 4 TO SCHEDULE 13D UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 4)* SCIENTIFIC INDUSTRIES, INC. (Name of Issuer) Common stock, par value $0.05 per share (Title of Class of Securities) 808757108 (CUSIP Number) Roy T. Eddleman Living Trust c/o Zamza

February 14, 2023 SC 13G/A

SCND / Scientific Industries, Inc. / Bleichroeder LP - SCHEDULE 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No. 2) Scientific Industries, Inc. (Name of Issuer) Common Shares (Title of Class of Securities) 808757108 (CUSIP Number) December 31, 2022 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which

February 13, 2023 SC 13G/A

SCND / Scientific Industries, Inc. / LYTTON LAURENCE W Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Scientific Industries, Inc. (Name of Issuer) Common Stock, par value $0.05 (Title of Class of Securities) 808757108 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule p

February 10, 2023 SC 13G/A

SCND / Scientific Industries, Inc. / SATTERFIELD THOMAS A JR - SC 13G/A Passive Investment

SC 13G/A 1 d419771dsc13ga.htm SC 13G/A SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2 (Amendment No. 1)* Scientific Industries, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 808757108 (CUSIP Number) De

December 22, 2022 8-K

Changes in Registrant's Certifying Accountant

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): December 19, 2022 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employe

December 20, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.___)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (As Permitted by Rule 14a-6(e)

December 1, 2022 EX-16.1

Letter of Nussbaum Berg Klein & Wolpow, CPAs LLP to the Securities and Exchange Commission Dated November 28, 2022

EXHIBIT 16.1

December 1, 2022 8-K

Changes in Registrant's Certifying Accountant

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): November 28, 2022 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employe

November 14, 2022 10-Q

Benchtop Laboratory Equipment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number0-6658 SCIENTIFIC INDUSTRIES, INC. (E

November 9, 2022 EX-3.1

By-Laws of the Company, as restated and amended (filed as Exhibit 3(i) to the Company’s Current Report on Form 8-K filed on November 9, 2022 and incorporated by reference thereto).

EXHIBIT 3.1 THIRD AMENDED AND RESTATED BY-LAWS OF SCIENTIFIC INDUSTRIES, INC. (THE ?CORPORATION?) ARTICLE I OFFICES Section 1. Principal Office. The principal office of the Corporation shall be established and maintained at the office of the United States Corporation Company, in the City of Dover, in the County of Kent, in the State of Delaware, and said corporation shall be the resident agent of

November 9, 2022 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported):November 4, 2022 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer

September 28, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? ANNUAL REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended June 30, 2022 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 0-6658 SCIENTIFIC INDUSTRIES, INC. (Exact Name of

June 27, 2022 8-K

Current Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): June 23, 2022 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer No

June 27, 2022 EX-10.2

Amendment No.1 to Employment Agreement dated June 23, 2022, by and between the Company and Mr. Nichols (filed as Exhibit 10.4 to the Company’s Current Report on Form 8-K filed on June 27, 2022, and incorporated by reference thereto).

EXHIBIT 10.2 AMENDMENT NO. 1 TO EMPLOYMENT AGREEMENT This Amendment No. 1 to the Employment Agreement between Scientific Industries, Inc. (the ?Company?) and Robert Nichols (?Employee?) is made this 23rd day of June, 2022 (?Amendment?). The Company and Employee are hereinafter collectively referred to as the ?Parties.? WHEREAS, the Company and Employee are parties to an existing Employment Agreeme

June 27, 2022 EX-10.4

Amendment No.1 to Employment Agreement dated June 23, 2022, by and between the Company and Ms. Santos (filed as Exhibit 10.4 to the Company’s Current Report on Form 8-K filed on June 27, 2022, and incorporated by reference thereto).

EXHIBIT 10.4 AMENDMENT NO. 1 TO EMPLOYMENT AGREEMENT This Amendment No. 1 to the Employment Agreement between Scientific Industries, Inc. (the ?Company?) and Helena Santos (?Employee?) is made this 23rd day of June, 2022 (?Amendment?). The Company and Employee are hereinafter collectively referred to as the ?Parties.? WHEREAS, the Company and Employee are parties to an existing Employment Agreemen

June 22, 2022 EX-FILING FEES

Filing Fee Tables

EXHIBIT 107 CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to Be Registered Amount to Be Registered(1) Proposed Maximum Offering Price per Share (3) Proposed Maximum Aggregate Offering Price Amount of Registration Fee Common Stock, $0.

June 22, 2022 S-8

As filed with the Securities and Exchange Commission on June 22, 2022

S-8 1 scnds8.htm FORM S-8 As filed with the Securities and Exchange Commission on June 22, 2022 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SCIENTIFIC INDUSTRIES, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 3826 04-2217279 (State or other jurisdiction of incor

June 13, 2022 424B3

Scientific Industries, Inc. 818,183 Shares Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-265281 Scientific Industries, Inc. 818,183 Shares Common Stock This prospectus relates to the resale or other disposition, from time to time, by the selling stockholders identified in this prospectus under the caption ?Selling Stockholders,? of up to 818,183 shares of our common stock, par value $0.05 per share. We are not selling any shares of

June 9, 2022 S-1/A

As filed with the Securities and Exchange Commission on June 9, 2022

As filed with the Securities and Exchange Commission on June 9, 2022 Registration No.

June 9, 2022 EX-FILING FEES

Filing Fee Table*

EXHIBIT 107 Calculation of Filing Fee Tables Form S-1 (Form Type) Scientific Industries, Inc.

June 9, 2022 CORRESP

Scientific Industries, Inc. 80 Orville Drive, Suite 102 Bohemia, NY 11716

Scientific Industries, Inc. 80 Orville Drive, Suite 102 Bohemia, NY 11716 June 9, 2022 Securities and Exchange Commission 100 F Street, NE Washington DC 20549 Re: Scientific Industries, Inc. (the ?Company?) Registration Statement on Form S-1 Filed June 9, 2022, as amended File No. 333-265281 Ladies and Gentlemen: Pursuant to Rules 460 and 461 under the Securities Act of 1933, as amended, Scientifi

May 27, 2022 8-K

Current Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 24, 2022 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer No.

May 27, 2022 EX-FILING FEES

Filing Fee Table**

EXHIBIT 107 Calculation of Filing Fee Tables Form S-1 (Form Type) Scientific Industries, Inc.

May 27, 2022 EX-10.2

Directors’ Service Contract dated May 24, 2022 between the Company and a seller of aquila biolabs GmbH (filed as Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on May 27, 2022, and incorporate by reference thereto).

EXHIBIT 10.2

May 27, 2022 S-1

As filed with the Securities and Exchange Commission on ___________

As filed with the Securities and Exchange Commission on Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SCIENTIFIC INDUSTRIES, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 3826 04-2217279 (State or other jurisdiction of incorporation or organization) (Primary Stand

May 16, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 ☐ TRANSITION REPORT PURSUANT TO SECTIO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 0-6658 SCIENTIFIC INDUSTRIES, INC. (Exac

April 13, 2022 8-K

Current Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 11, 2022 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer N

April 5, 2022 8-K

Current Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 1, 2022 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer No

March 30, 2022 SC 13G

SCND / Scientific Industries, Inc. / LYTTON LAURENCE W Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Scientific Industries, Inc. (Name of Issuer) Common Stock, par value $0.05 (Title of Class of Securities) 808757108 (CUSIP Number) March 2, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursua

March 23, 2022 SC 13G

SCND / Scientific Industries, Inc. / SATTERFIELD THOMAS A JR - PRIMARY DOCUMENT Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Scientific Industries, Inc. (Name of Issuer) Common Stock, par value $0.05 per share (Title of Class of Securities) 808757108 (CUSIP Number) Thomas A. Satterfield, Jr. 15 Colley Cove Drive Gulf Breeze, Florida 32561 (Name, Address and Telephone Number of

March 2, 2022 EX-4.2

Registration Rights Agreement, dated as of March 2, 2022, by and among the Company and the Investors named therein (incorporated by reference to Exhibit 4.2 to the Company’s Current Report on Form 8-K filed with the SEC on March 2, 2022)

THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR APPLICABLE STATE SECURITIES LAWS.

March 2, 2022 8-K

Current Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 2, 2022 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer No

March 2, 2022 EX-10.1

Securities Purchase Agreement, dated as of March 2, 2022 by and among the Company and the Purchasers named therein (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed with the SEC on March 2, 2022)

THE SECURITIES OFFERED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE ?SECURITIES ACT?), OR THE SECURITIES LAWS OF ANY STATE AND ARE BEING OFFERED AND SOLD IN RELIANCE UPON EXEMPTIONS FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT.

March 2, 2022 EX-4.1

Form of Warrants issued by the Company on March 2, 2022 to the Purchasers listed in that certain Securities Purchase Agreement dated as of March 2, 2022 (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed with the SEC on March 2, 2022)

REGISTRATION RIGHTS AGREEMENT This Registration Rights Agreement (this ?Agreement?) is made and entered into as of March , 2022, by and among Scientific Industries, Inc.

February 25, 2022 EX-3

Certificate of Amendment of Certificate of Incorporation of Scientific Industries, Inc. (filed as Exhibit 3.1 to the Company’s Current Report on Form 8-K filed on February 25, 2022 and incorporated by reference thereto).

Exhibit 3.1 CERTIFICATE OF AMENDMENT OF CERTIFICATE OF INCORPORATION OF SCIENTIFIC INDUSTRIES, INC. (Pursuant to Section 242 of the General Corporation Law of the State of Delaware) Scientific Industries, Inc. (the ?Corporation?), a corporation organized and existing under and by virtue of the provisions of the General Corporation Law of the State of Delaware (the ?DGCL?), DOES HEREBY CERTIFY: FIR

February 25, 2022 8-K

Current Report

8-K 1 docslib-291311annualmeet.htm PRIMARY DOCUMENT SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 25, 2022 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other

February 25, 2022 EX-4

2022 Equity Incentive Plan to the Company’s Current Report on Form 8-K filed on February 25, 2022 and incorporated by reference thereto).

Exhibit 4.1 SCIENTIFIC INDUSTRIES, INC. 2022 EQUITY INCENTIVE PLAN 1. General. (a) Eligible Stock Award Recipients. Employees, Directors and Consultants are eligible to receive Stock Awards. (b) Available Stock Awards. The Plan provides for the grant of the following types of Stock Awards: (i) Incentive Stock Options (?ISO?), (ii) Nonstatutory Stock Options (?NSO?), (iii) Stock Appreciation Rights

February 16, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended December 31, 2021 ☐ TRANSITION REPORT PURSUANT TO SEC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended December 31, 2021 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 0-6658 SCIENTIFIC INDUSTRIES, INC. (E

February 15, 2022 SC 13G/A

SCND / Scientific Industries, Inc. / Veradace Capital Management LLC - 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Scientific Industries, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 808757108 (CUSIP Number) April 29, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which thi

February 14, 2022 NT 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): ☐Form 10-K ☐Form 20-F ☐Form 11-K ☒Form 10-Q ☐ Form N-SAR ☐Form NCSR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): ?Form 10-K ?Form 20-F ?Form 11-K ?Form 10-Q ? Form N-SAR ?Form NCSR For Period Ended: 12-31-2021 ?Transition Report on Form 10-K ?Transition Report on Form 20-F ?Transition Report on Form 11-K ?Transition Report on Form 10-Q ?Transition Report on Form N-SAR For the Transition Period Ended: Nothing in this form shall be construed to imply that the Commission has verified any information contained herein.

February 14, 2022 SC 13G/A

SCND / Scientific Industries, Inc. / Bleichroeder LP - SCIENTIFIC - 13G/A Passive Investment

SC 13G/A 1 ScientificIndustries13g.htm SCIENTIFIC - 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No. 1) Scientific Industries, Inc. (Name of Issuer) Common Shares (Title of Class of Securities) 808757108 (CUSIP Number) December 31, 2021 (Date of Event which Requires Filing of this Statement) Check th

February 7, 2022 8-K

Current Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 1, 2022 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer

February 7, 2022 EX-10

AMENDMENT TO CONSULTING AGREEMENT

AMENDMENT TO CONSULTING AGREEMENT February 1, 2022 Mr. Reinhard Vogt Kehrstrabe 8b 37085 Gottingen Germany Societ?t Reinhard and Noah Vogt AG o GmbH Kehrstrabe 8b 37085 Gottingen Germany Dear Reinhard: Please confirm your agreement by signing where indicated below that the term of your engagement and the engagement of Societ?t Reinhard and Noah Vogt AG o GmbH (collectively, the ?Consultant?) pursu

January 24, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.___)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (As Permitted by Rule 14a-6(e)

December 10, 2021 8-K

Current Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): December 09, 2021 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employe

November 15, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 ☐ TRANSITION REPORT PURSUANT TO SE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 0-6658 SCIENTIFIC INDUSTRIES, INC. (

October 14, 2021 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ANNUAL REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended June 30, 2021

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ANNUAL REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended June 30, 2021 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 0-6658 SCIENTIFIC INDUSTRIES, INC. (Exact Name of R

October 14, 2021 EX-10

First amendment to lease dated September 20, 2021 by and between the Company and REP 2035 LLC. (filed as Exhibit 10(a)-3(i) to the Company's Form 10-K filed on October 14, 2021, and incorporated by reference thereto).

FIRST AMENDMENT TO LEASE This FIRST AMENDMENT TO LEASE (this ?Agreement?), made as of the day of September, 2021 (the ?Effective Date?), by and between REP 2035 LLC, a Delaware limited liability company (?Landlord?), having its principal office c/o Rechler Equity Partners, 85 S.

September 27, 2021 NT 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): ☒Form 10-K ☐Form 20-F ☐Form 11-K ☐Form 10-Q ☐ Form N-SAR ☐Form NCSR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): ?Form 10-K ?Form 20-F ?Form 11-K ?Form 10-Q ? Form N-SAR ?Form NCSR For Period Ended: 06-30-2021 ?Transition Report on Form 10-K ?Transition Report on Form 20-F ?Transition Report on Form 11-K ?Transition Report on Form 10-Q ?Transition Report on Form N-SAR For the Transition Period Ended: Nothing in this form shall be construed to imply that the Commission has verified any information contained herein.

August 13, 2021 424B3

SCIENTIFIC INDUSTRIES, INC. 8,093,513 Shares Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-258468 SCIENTIFIC INDUSTRIES, INC. 8,093,513 Shares Common Stock This prospectus relates to the resale or other disposition, from time to time, by the selling stockholders identified in this prospectus under the caption ?Selling Stockholders,? of up to 8,093,513 shares of our common stock, par value $0.05 per share. We are not selling any share

August 10, 2021 S-1/A

As filed with the Securities and Exchange Commission on August 10, 2021

S-1/A 1 s1draftasoffridaybp73021.htm S-1/A As filed with the Securities and Exchange Commission on August 10, 2021 Registration No. 333-258468 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 1 to Form S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SCIENTIFIC INDUSTRIES, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 3826 04-2

August 10, 2021 CORRESP

Scientific Industries, Inc. 80 Orville Drive, Suite 102 Bohemia, NY 11716

Scientific Industries, Inc. 80 Orville Drive, Suite 102 Bohemia, NY 11716 August 10, 2021 Securities and Exchange Commission 100 F Street, NE Washington DC 20549 Re: Scientific Industries, Inc. (the ?Company?) Registration Statement on Form S-1 Filed August 10, 2021, as amended File No. 333-258468 Ladies and Gentlemen: Pursuant to Rules 460 and 461 under the Securities Act of 1933, as amended, Sci

August 4, 2021 S-1

As filed with the Securities and Exchange Commission on August 4, 2021

As filed with the Securities and Exchange Commission on August 4, 2021 Registration No.

July 14, 2021 SC 13D/A

SCND / Scientific Industries, Inc. / EDDLEMAN ROY T - AMENDMENT NO.3 TO SCHEDULE 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 3)* SCIENTIFIC INDUSTRIES, INC. (Name of Issuer) Common stock, par value $0.05 per share (Title of Class of Securities) 808757108 (CUSIP Number) Roy T. Eddleman, Trustee Roy T. Eddleman Trust UAD 8-7-2000 c/o Istvan Benko TroyGould PC 1801 Century Park East

July 13, 2021 SC 13D/A

SCND / Scientific Industries, Inc. / PESSIN SANDRA F - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 1)* SCIENTIFIC INDUSTRIES, INC. (Name of Issuer) Common stock, par value $0.05 per share (Title of Class of Securities) 808757108 (CUSIP Number) Brian L. Pessin Sandra F. Pessin 400 E 51st St PH 31 New York, New York 10022 (917) 887-1982 (Name, Address and T

July 12, 2021 EX-99

EX-99

July 12, 2021 8-K/A

Financial Statements and Exhibits

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 28, 2021 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer

July 12, 2021 EX-99

SCIENTIFIC INDUSTRIES, INC. AND SUBSIDIARIES UNAUDITED PRO FORMA CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

Exhibit 99.2 SCIENTIFIC INDUSTRIES, INC. AND SUBSIDIARIES UNAUDITED PRO FORMA CONDENSED CONSOLIDATED FINANCIAL STATEMENTS The following unaudited pro forma condensed consolidated financial statements are based on historical financial statements of Scientific Industries, Inc. (the ?Company?) and Scientific Bioprocessing Holdings, Inc., (?Holdings?) a newly formed wholly-owned subsidiary of the Comp

June 25, 2021 SC 13G

SCND / Scientific Industries, Inc. / Bleichroeder LP - SCIENTIFIC INDUSTRIES - 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No. ) Scientific Industries, Inc. (Name of Issuer) Common Shares (Title of Class of Securities) 808757108 (CUSIP Number) June 18, 2021 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this

June 22, 2021 SC 13D

SCND / Scientific Industries, Inc. / PESSIN SANDRA F - SC 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. )* SCIENTIFIC INDUSTRIES, INC. (Name of Issuer) Common stock, par value $0.05 per share (Title of Class of Securities) 808757108 (CUSIP Number) Brian L. Pessin Sandra F. Pessin 400 E 51st St PH 31 New York, New York 10022 (917) 887-1982 (Name, Address and Te

June 21, 2021 8-K

Current Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): June 18, 2021 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer No

June 21, 2021 EX-4.1A

Amendment No. 1 to Registration Rights Agreement dated April 29, 2021 between the Company and Investors (filed as Exhibit 4.2 to the Company’s Current Report on Form 8-K filed on June 21, 2021, and incorporated by reference thereto).

SCIENTIFIC INDUSTRIES, INC. AMENDMENT NO. 1 TO REGISTRATION RIGHTS AGREEMENT This Amendment No. 1 (the ?Amendment?) to the Registration Rights Agreement dated as of April 29, 2021 (the ?Registration Rights Agreement?; capitalized terms used herein and not otherwise defined shall have the meaning set forth in the Registration Rights Agreement), by and among Scientific Industries, Inc., a Delaware c

June 21, 2021 EX-3.1

Certificate of Amendment of the Company’s Certificate of Incorporation, as filed on June 21, 2021 (incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K filed on June 21, 2021).

CERTIFICATE OF AMENDMENT OF CERTIFICATE OF INCORPORATION OF SCIENTIFIC INDUSTRIES, INC.

June 21, 2021 EX-10.1

Securities Purchase Agreement, dated as of June 18, 2021 by and among the Company and the Purchasers named therein (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed with the SEC on June 21, 2021)

THE SECURITIES OFFERED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE ?SECURITIES ACT?), OR THE SECURITIES LAWS OF ANY STATE AND ARE BEING OFFERED AND SOLD IN RELIANCE UPON EXEMPTIONS FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT.

June 21, 2021 EX-4.1B

Form of Joinder Agreement (incorporated by reference to Exhibit 4.1B to the Company’s Current Report on Form 8-K filed with the SEC on June 21, 2021)

SCIENTIFIC INDUSTRIES, INC. JOINDER AGREEMENT By execution and delivery of this Joinder Agreement, the undersigned hereby (i) agrees to become an Investor, as defined in that certain Registration Rights Agreement, dated as of April 29, 2021, by and among Scientific Industries, Inc., a Delaware corporation (the ?Company?), and the investors listed on Schedule A attached thereto, as amended by that

June 21, 2021 EX-4.1

Form of Warrants issued by the Company on June 18, 2021 to the Purchasers listed in that certain Securities Purchase Agreement dated as of June 18, 2021(incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed with the SEC on June 21, 2021)

THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR APPLICABLE STATE SECURITIES LAWS.

May 17, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 0-6658 SCIENTIFIC INDUSTRIES, INC. (Exac

May 7, 2021 SC 13D/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 2)* SCIENTIFIC INDUSTRIES, INC. (Name of Issuer) Common stock, par value $0.05 per share (Title of Class of

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 2)* SCIENTIFIC INDUSTRIES, INC. (Name of Issuer) Common stock, par value $0.05 per share (Title of Class of Securities) 808757108 (CUSIP Number) Roy T. Eddleman, Trustee Roy T. Eddleman Trust UAD 8-7-2000 c/o Istvan Benko TroyGould PC 1801 Century Park East

April 30, 2021 EX-4.1

Form of Warrants issued by the Company on April 29, 2021 to the Purchasers listed in that certain Securities Purchase Agreement dated as of April 28, 2021 (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed with the SEC on April 30, 2021)

Execution Version THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR APPLICABLE STATE SECURITIES LAWS.

April 30, 2021 EX-10.3

Securities Purchase Agreement, dated as of April 28, 2021 by and among the Company and the Purchasers named therein (incorporated by reference to Exhibit 10.3 to the Company’s Current Report on Form 8-K filed with the SEC on April 30, 2021)

Execution Version THE SECURITIES OFFERED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE ?SECURITIES ACT?), OR THE SECURITIES LAWS OF ANY STATE AND ARE BEING OFFERED AND SOLD IN RELIANCE UPON EXEMPTIONS FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT.

April 30, 2021 8-K

Current Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 28, 2021 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer N

April 30, 2021 EX-10.1

Asset Purchase Agreement dated April 28, 2021 between the Company and the sellers of aquila biolabs GmbH (filed as Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on April 30, 2021, and incorporate by reference thereto).

28 APRIL 2021 AGREEMENT ON THE SALE AND TRANSFER OF ALL SHARES IN AQUILA BIOLABS GMBH (Vertrag ?ber den Kauf und die Abtretung aller Gesch?ftsanteile an der aquila biolabs GmbH) between JENS BAYER KONRAD HERZOG DAVID FRANK DANIEL GR?NES SEED FONDS II F?R DIE REGION AACHEN GMBH & CO.

April 30, 2021 EX-4.2

Registration Rights Agreement, dated as of April 29, 2021, by and among the Company and the Investors named therein (incorporated by reference to Exhibit 4.2 to the Company’s Current Report on Form 8-K filed with the SEC on April 30, 2021)

Execution Version REGISTRATION RIGHTS AGREEMENT This Registration Rights Agreement (this ?Agreement?) is made and entered into as of April [], 2021, by and among Scientific Industries, Inc.

April 30, 2021 EX-99

Scientific Industries Announces Acquisition of aquila biolabs to Advance Platform for Digitally Simplified Bioprocessing

Scientific Industries Announces Acquisition of aquila biolabs to Advance Platform for Digitally Simplified Bioprocessing ? Combined companies have a target market of approximately $1.

April 30, 2021 EX-10.2

Directors’ Service Contract dated April 29, 2021 between the Company and the sellers of aquila biolabs GmbH (filed as Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on April 30, 2021, and incorporate by reference thereto).

Gesch?ftsf?hreranstellungsvertrag Director?s Service Contract zwischen: between: (1) Herrn Daniel Gr?nes, Scheffelstra?e 13, 50935 K?ln, Deutschland, (1) Mr Daniel Gr?nes, Scheffelstra?e 13, 50935 Cologne, Germany, ? nachfolgend "Gesch?ftsf?hrer" ? ? hereinafter "Managing Director" ? (2) aquila biolabs GmbH, Arnold-Sommerfeld-Ring 2, 52499 Baesweiler, Deutschland, vertreten durch die Gesellschafterversammlung, (2) aquila biolabs GmbH, Arnold-Sommerfeld-Ring 2, 52499 Baesweiler, Germany, represented by the shareholders' ? nachfolgend "Gesellschaft" ? ? hereinafter "Company" ? PR?AMBEL PREAMBLE Der Gesch?ftsf?hrer ist Gesellschafter und Gesch?ftsf?hrer der Gesellschaft.

April 30, 2021 EX-99

Scientific Industries Announces Appointment of Dr. Jürgen Schumacher to the Board of Directors

Scientific Industries Announces Appointment of Dr. J?rgen Schumacher to the Board of Directors BOHEMIA, NY and PITTSBURGH, PA /April 30, 2021 / Scientific Industries, Inc. (OTCQB: SCND) today announced the appointment of Dr. J?rgen Schumacher to the Company?s Board of Directors. Dr. J?rgen Schumacher is an internationally recognized German entrepreneur with more than 35 years of expertise in the b

April 13, 2021 EX-10

Form of Amendment of Securities Purchase Agreement, by and between the Company and Investors (filed as Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on April 13, 2021, and incorporated by reference thereto).

SCIENTIFIC INDUSTRIES, INC. AMENDMENT NO. 1 TO SECURITIES PURCHASE AGREEMENT THIS AMENDMENT NO. 1 to the Securities Purchase Agreement (this ?Amendment?), is made on the 13th day of April 2021, by and between Scientific Industries, Inc., a Delaware corporation (the ?Company?), and the undersigned Purchaser to amend that certain Securities Purchase Agreement, dated as of June 18, 2020, by and among

April 13, 2021 8-K

Current Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 13, 2021 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer N

March 15, 2021 S-8

- PRIMARY DOCUMENT

As filed with the Securities and Exchange Commission on March 15, 2021 Registration Statement No.

March 8, 2021 EX-10

Amendment to Consulting Agreement between the Company and Societät Reinhard and Noah Vogt AG GmbH and Reinhard Vogt (filed as Exhibit 10A-1 to the Company’s Current Report on Form 8-K filed on March 8, 2021, and incorporated by reference thereto.

AMENDMENT TO CONSULTING AGREEMENT March 8, 2021 Mr. Reinhard Vogt Kehrstrabe 8b 37085 Gottingen Germany Societ?t Reinhard and Noah Vogt AG o GmbH Kehrstrabe 8b 37085 Gottingen Germany Dear Reinhard: Please confirm your agreement by signing where indicated below that the term of your engagement and the engagement of Societ?t Reinhard and Noah Vogt AG o GmbH (collectively, the ?Consultant?) pursuant

March 8, 2021 8-K

Current Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 8, 2021 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer No

March 1, 2021 8-K

Current Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 26, 2021 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employe

March 1, 2021 EX-3

Certificate of Amendment of Certificate of Incorporation of Scientific Industries, Inc. (filed as Exhibit 3.1 to the Company’s Current Report on Form 8-K filed on March 1, 2021 and incorporated by reference thereto).

EX-3 2 exhibit31.htm ARTICLES OF INCORPORATION / BYLAWS Exhibit 3.1 CERTIFICATE OF AMENDMENT OF CERTIFICATE OF INCORPORATION OF SCIENTIFIC INDUSTRIES, INC. (Pursuant to Sections 228 and 242 of the General Corporation Law of the State of Delaware) Scientific Industries, Inc. (the “Corporation”), a corporation organized and existing under and by virtue of the provisions of the General Corporation La

March 1, 2021 EX-4

Amendment No. 2 to Scientific Industries, Inc. 2012 Stock Option Plan (filed as Exhibit 3.1 to the Company’s Current Report on Form 8-K filed on March 1, 2021 and incorporated by reference thereto).

Exhibit 4.1 AMENDMENT NO. 2 TO SCIENTIFIC INDUSTRIES, INC. 2012 STOCK OPTION PLAN (Effective as of [?], 2020) The Scientific Industries, Inc. 2012 Stock Option Plan (as may be amended from time to time, the ?Plan?) is hereby amended as follows: 1. Section 2 of the Plan is hereby amended and restated in its entirety to read as follows: ?2. Shares Subject to Plan. Options may be granted to purchase

February 23, 2021 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended December 31, 2020 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 0-6658 SCIENTIFIC INDUSTRIES, INC. (E

February 12, 2021 NT 10-Q

- PRIMARY DOCUMENT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): ? Form 10-K ?Form 20-F ?Form 11-K ?Form 10-Q ? Form N-SAR ?Form NCSR For Period Ended: 12-31-2020 ?Transition Report on Form 10-K ?Transition Report on Form 20-F ?Transition Report on Form 11-K ?Transition Report on Form 10-Q ?Transition Report on Form N-SAR For the Transition Period Ended: Nothing in this form shall be construed to imply that the Commission has verified any information contained herein.

January 22, 2021 DEF 14A

- PRIMARY DOCUMENT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (As Permitted by Rule 14a-6(e)

January 8, 2021 EX-10

Extension of Monthly Retainer Agreement between Scientific Bioprocessing, Inc. and Mr. Cremonese and affiliates (filed as Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on January 8, 2021, and incorporated with reference thereto).

EX-10 2 docslib-266475v1scientifi.htm MATERIAL CONTRACTS January 8, 2021 Mr. Joseph G. Cremonese PO Box 1907 Greensburg, PA 15601 Laboratory Innovation Company, Ltd. PO Box 1907 Greensburg, PA 15601 Dear Joe: Please confirm your agreement by signing where indicated below that the term of your engagement and the engagement of Laboratory Innovation Company, Ltd. (collectively, the “Consultant”) purs

January 8, 2021 8-K

- PRIMARY DOCUMENT

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): January 8, 2021 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer

December 1, 2020 EX-2

Asset Purchase Agreement dated November 30, 2020 between Altamira Instruments, Inc. and Beijing JWGB Sci. & Tech. Co., Ltd (filed as Exhibit 2 to the Company’s Current Report on Form 8-K filed on December 1, 2020, and incorporated by reference thereto).

Execution copy ASSET PURCHASE AGREEMENT THIS ASSET PURCHASE AGREEMENT (this “Agreement”), dated as of November 30, 2020, is by and between Beijing JWGB Sci.

December 1, 2020 EX-10

UNSECURED PROMISSORY NOTE

Execution copy UNSECURED PROMISSORY NOTE Principal Amount: $100,000.00 Bohemia, New York November 30, 2020 FOR VALUE RECEIVED, the undersigned (“Maker”) hereby promises to pay to ALTAMIRA INSTRUMENTS, INC. (the “Lender”), at its office located at c/o Scientific Industries, Inc. 80 Orville Drive, Suite 120, Bohemia, New York 11716, or at such other address as Lender may designate from time to time,

December 1, 2020 8-K

Entry into a Material Definitive Agreement - CURRENT REPORT

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): November 30, 2020 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employe

December 1, 2020 EX-10

UNSECURED PROMISSORY NOTE

Execution copy UNSECURED PROMISSORY NOTE Principal Amount: $140,000.00 Bohemia, New York November 30, 2020 FOR VALUE RECEIVED, the undersigned (“Maker”) hereby promises to pay to ALTAMIRA INSTRUMENTS, INC. (the “Lender”), at its office located at c/o Scientific Industries, Inc. 80 Orville Drive, Suite 120, Bohemia, New York 11716, or at such other address as Lender may designate from time to time,

November 23, 2020 10-Q

Quarterly Report - QUARTERLY REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 0-6658 SCIENTIFIC INDUSTRIES, INC. (

November 12, 2020 NT 10-Q

- PRIMARY DOCUMENT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): ☐ Form 10-K ☐Form 20-F ☐Form 11-K ☒Form 10-Q ☐ Form N-SAR ☐Form NCSR For Period Ended: 09-30-2020 ☐Transition Report on Form 10-K ☐Transition Report on Form 20-F ☐Transition Report on Form 11-K ☐Transition Report on Form 10-Q ☐Transition Report on Form N-SAR For the Transition Period Ended: Nothing in this form shall be construed to imply that the Commission has verified any information contained herein.

October 9, 2020 10-K

Annual Report - ANNUAL REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ANNUAL REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended June 30, 2020 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 0-6658 SCIENTIFIC INDUSTRIES, INC. (Exact Name of R

September 28, 2020 NT 10-K

- PRIMARY DOCUMENT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): ☒Form 10-K ☐Form 20-F ☐Form 11-K ☐Form 10-Q ☐ Form N-SAR ☐Form NCSR For Period Ended: 06-30-2020 ☐Transition Report on Form 10-K ☐Transition Report on Form 20-F ☐Transition Report on Form 11-K ☐Transition Report on Form 10-Q ☐Transition Report on Form N-SAR For the Transition Period Ended: Nothing in this form shall be construed to imply that the Commission has verified any information contained herein.

August 13, 2020 8-K

Current Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): August 13, 2020 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer

August 13, 2020 EX-3

Second Amended and Restated By-Laws of Scientific Industries, Inc. (filed as Exhibit 3.2 to the Company’s Current Report on Form 8-K filed on August 10, 2020 and incorporated by reference thereto).

SECOND AMENDED AND RESTATED BY-LAWS OF SCIENTIFIC INDUSTRIES, INC. (THE “CORPORATION”) ARTICLE I OFFICES Section 1. Principal Office. The principal office of the Corporation shall be established and maintained at the office of the United States Corporation Company, in the City of Dover, in the County of Kent, in the State of Delaware, and said corporation shall be the resident agent of this Corpor

July 22, 2020 8-K

Current Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): July 17, 2020 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer No

July 22, 2020 EX-10

Consulting Agreement dated July 20, 2020 between the Company and Mr. Reinhard Vogt and his affiliate Societat Reinhard and Noah Vogt AG (filed as Exhibit 10A-1 to the Company’s Current Report on Form 8-K filed on July 22, 2020, and incorporated by reference thereto.)

Execution copy CONSULTING AGREEMENT Consulting Agreement (this “Agreement”), dated as of 20th day of July, 2020 (the “Effective Date”), between Scientific Industries Inc.

July 9, 2020 SC 13G

SCND / Scientific Industries, Inc. / Polk Lyon - SC 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Scientific Industries, Inc. (Name of Issuer) Common Stock, par value $0.05 per share (Title of Class of Securities) 808757108 (CUSIP Number) Lyon Polk 1585 Broadway, 22nd Floor New York, NY 10036 (Name, Address and Telephone Number of Person Authorized to

June 30, 2020 SC 13D

SCND / Scientific Industries, Inc. / Cox Christopher T - PRIMARY DOCUMENT Activist Investment

6/24/2020 https://www.sec.gov/Archives/edgar/data/87802/000161574717003815/s106832sc13d.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 SCIENTIFIC INDUSTRIES, INC. (Name of Issuer) Common Stock, par value $0.05 per share (Title of Class of Securities) 808757108 (CUSIP Number) Christopher Cox One World Financial Cent

June 25, 2020 EX-10

Employment Agreement dated July 1, 2020 between Scientific Bioprocessing, Inc. and James Polk (filed as Exhibit 10.2 to the Company’s Current Report on Form 8-K filed on June 25, 2020, and incorporated by reference thereto).

EMPLOYMENT AGREEMENT This EMPLOYMENT AGREEMENT, dated as of July 1, 2020, is by and between SCIENTIFIC BIOPROCESSING, INC.

June 25, 2020 8-K

Current Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): June 22, 2020 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer No

June 25, 2020 EX-10

Employment Agreement dated July 1, 2020 between Scientific Bioprocessing, Inc. and John A. Moore (filed as Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on June 25, 2020, and incorporated by reference thereto).

EMPLOYMENT AGREEMENT This EMPLOYMENT AGREEMENT, dated as of July 1, 2020, is by and between SCIENTIFIC BIOPROCESSING, INC.

June 24, 2020 SC 13D/A

SCND / Scientific Industries, Inc. / Eddleman Roy T - AMENDMENT NO. 1 TO SCHEDULE 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 1)* SCIENTIFIC INDUSTRIES, INC. (Name of Issuer) Common stock, par value $0.05 per share (Title of Class of Securities) 808757108 (CUSIP Number) Roy T. Eddleman, Trustee Roy T. Eddleman Trust UAD 8-7-2000 c/o Istvan Benko TroyGould PC 1801 Century Park East

June 19, 2020 DEFA14A

- PRIMARY DOCUMENT

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): June 18, 2020 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer No

June 19, 2020 8-K

Current Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): June 18, 2020 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer No

June 19, 2020 EX-4

Form of Warrants issued by the Company on June 18, 2020 to the Purchasers listed in that certain Securities Purchase Agreement dated as of June 18, 2020 (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed with the SEC on June 19, 2020)

Execution copy THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR APPLICABLE STATE SECURITIES LAWS.

June 19, 2020 EX-4

SCIENTIFIC INDUSTRIES, INC. TO PURCHASE SHARES OF COMMON STOCK

Execution copy THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR APPLICABLE STATE SECURITIES LAWS.

June 19, 2020 EX-10

Securities Purchase Agreement, dated as of June 18, 2020, by and among the Company and the Purchasers named therein (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed with the SEC on June 19, 2020)

Execution copy SECURITIES PURCHASE AGREEMENT This Securities Purchase Agreement (this “Agreement”) is dated as of June 18, 2020 (the “Closing Date”), between Scientific Industries, Inc.

June 19, 2020 EX-10

SECURITIES PURCHASE AGREEMENT

Execution copy SECURITIES PURCHASE AGREEMENT This Securities Purchase Agreement (this “Agreement”) is dated as of June 18, 2020 (the “Closing Date”), between Scientific Industries, Inc.

May 15, 2020 10-Q

Quarterly Report - QUARTERLY REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2020 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 0-6658 SCIENTIFIC INDUSTRIES, INC. (Exac

April 21, 2020 EX-10

Loan Agreement under the U.S. Small Business Administration Paycheck Protection Program dated April 14, 2020 between the Company and First National Bank (filed as Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on April 21, 2020, and incorporated by reference thereto).

U.S. SMALL BUSINESS ADMINISTRATION PAYCHECK PROTECTION PROGRAM NOTE SBA Loan #: 66687171-01 SBA Loan Name: Paycheck Protection Program Loan Date: 4/14/2020 Loan Amount: $563,700.00 Interest Rate: 1.00% Maturity Date: 4/17/2022 Borrower: SCIENTIFIC INDUSTRIES INC Lender: First National Bank of Pennsylvania This Note represents the Loan (as defined below) made by Lender pursuant to the Paycheck Prot

April 21, 2020 8-K

Current Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 14, 2020 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer N

February 18, 2020 8-K

8-K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 14, 2020 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employe

February 18, 2020 EX-10

Termination notice dated February 14, 2020 to Mr. March (filed as Exhibit 10(I-8) to the Company’s Current Report on Form 8-K filed on February 18, 2020, and incorporated by reference thereto).

Delivered Via Email: ([email protected]) February 13, 2020 Brookman March 2200 Kings Highway 3-L, #206 Port Charlotte, FL 33980 Dear Brook: Pursuant to Section 9(c) of your Employment Agreement dated July 1, 2017 (the “Employment Agreement”), this letter shall serve as written notice of your termination of employment with Scientific Industries, Inc. (the “Company”), effective February

February 13, 2020 10-Q

SCND / Scientific Industries, Inc. 10-Q - Quarterly Report - PRIMARY DOCUMENT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended December 31, 2019 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 0-6658 SCIENTIFIC INDUSTRIES, INC. (E

February 13, 2020 EX-10

Monthly Retainer Agreement between Scientific Bioprocessing, Inc. and Mr. Cremonese and affiliates (filed as Exhibit 10(d)-12 to the Company’s Quarterly Report on Form 10-Q on February 13, 2020, and incorporated by reference thereto).

MONTHLY RETAINER AGREEMENT Monthly Retainer Agreement dated as of January 1, 2020 between Scientific Bioprocessing, Inc.

February 10, 2020 8-K

Current Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): January 29, 2020 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer

December 26, 2019 DEF 14A

SCND / Scientific Industries, Inc. DEF 14A - - PRIMARY DOCUMENT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (As Permitted by Rule 14a-6(e)

December 11, 2019 8-K

Current Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): December 7, 2019 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer

December 11, 2019 EX-10

Amendment to Consulting Agreement dated November 7, 2019 between the Company and Mr. John A. Moore (filed as Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on December 11, 2019, and incorporated by reference thereto).

AMENDMENT TO CONSULTING AGREEMENT The Consulting Agreement dated as of March 1, 2019 (the “Agreement”) between Scientific Industries, Inc.

November 14, 2019 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2019 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 0-6658 SCIENTIFIC INDUSTRIES, INC. (

October 4, 2019 10-K

SCND / Scientific Industries, Inc. 10-K - Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended June 30, 2019 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 0-6658 SCIENTIFIC INDUSTRIES, INC. (Exact Name of

September 27, 2019 NT 10-K

SCND / Scientific Industries, Inc. NT 10-K - - PRIMARY DOCUMENT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): ☒Form 10-K ☐Form 20-F ☐Form 11-K ☐Form 10-Q ☐ Form N-SAR ☐Form NCSR For Period Ended: 06-30-2019 ☐Transition Report on Form 10-K ☐Transition Report on Form 20-F ☐Transition Report on Form 11-K ☐Transition Report on Form 10-Q ☐Transition Report on Form N-SAR For the Transition Period Ended: Nothing in this form shall be construed to imply that the Commission has verified any information contained herein.

May 14, 2019 10-Q

SCND / Scientific Industries, Inc. 10-Q Quarterly Report QUARTERLY REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2019 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 0-6658 SCIENTIFIC INDUSTRIES, INC. (Exac

March 8, 2019 EX-10

Consulting Agreement dated March 1, 2019 between the Company and Mr. John A. Moore (filed as Exhibit 10A-1 to the Company’s Current Report on Form 8-K filed on March 6, 2019, and incorporated by reference thereto).

CONSULTING AGREEMENT Consulting Agreement, dated as of March 1, 2019 (this “Agreement”), between Scientific Industries Inc.

March 8, 2019 8-K

Current Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 6, 2019 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer No

March 8, 2019 EX-10

Copy of Consulting Agreement between the Company and John A. Moore.

CONSULTING AGREEMENT Consulting Agreement, dated as of March 1, 2019 (this “Agreement”), between Scientific Industries Inc.

March 8, 2019 DEFA14A

SCND / Scientific Industries, Inc. PRIMARY DOCUMENT

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 6, 2019 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer No

February 12, 2019 10-Q

SCND / Scientific Industries, Inc. QUARTERLY REPORT (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended December 31, 2018 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 0-6658 SCIENTIFIC INDUSTRIES, INC. (E

January 25, 2019 8-K

Current Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): January 23, 2019 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer

January 25, 2019 EX-10

Agreement extension dated January 23, 2019 to Amended and Restated Consulting Agreement by and between the Company and Mr. Cremonese and affiliates (filed as Exhibit 10-1 to the Company’s Current Report on Form 8-K filed on January 25, 2019, and incorporated with reference thereto).

Exhibit 10.1 January 23, 2019 Mr. Joseph Cremonese PO Box 1907 Greensburg, PA 15601 Dear Joe: Please confirm your agreement by signing where indicated below and returning a copy of this letter that the term of your engagement and the engagement of Laboratory Innovation Company, Ltd (collectively, the “Consultants”) pursuant to the Fifth Amended and Restated Consulting Agreement dated January 20, 2

January 25, 2019 EX-10

Agreement dated January 23, 2019 to extend Consulting Agreement (filed as Exhibit 10-2 to the Company’s Current Report on Form 8-K filed on January 25, 2019, and incorporated by reference thereto).

Exhibit 10.2 January 23, 2019 Ms. Grace S. Morin 2200 Kings Hwy, Bldg 3-L, Box 206, Port Charlotte, FL 33980 Dear Grace: Please confirm your agreement by signing where indicated below and returning a copy of this letter that the “Term” of your engagement pursuant to the Consulting Agreement dated April 1, 2009, as amended and/or extended to date (the “Agreement”), with Scientific Industries, Inc.

January 25, 2019 EX-10

Extension Agreement between the Company and Laboratory Innovations Company, Ltd.

Exhibit 10.1 January 23, 2019 Mr. Joseph Cremonese PO Box 1907 Greensburg, PA 15601 Dear Joe: Please confirm your agreement by signing where indicated below and returning a copy of this letter that the term of your engagement and the engagement of Laboratory Innovation Company, Ltd (collectively, the “Consultants”) pursuant to the Fifth Amended and Restated Consulting Agreement dated January 20, 2

January 25, 2019 DEFA14A

SCND / Scientific Industries, Inc. FORM 8K

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): January 23, 2019 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employer

January 25, 2019 EX-10

Extension Agreement between the Company and Grace S. Morin

Exhibit 10.2 January 23, 2019 Ms. Grace S. Morin 2200 Kings Hwy, Bldg 3-L, Box 206, Port Charlotte, FL 33980 Dear Grace: Please confirm your agreement by signing where indicated below and returning a copy of this letter that the “Term” of your engagement pursuant to the Consulting Agreement dated April 1, 2009, as amended and/or extended to date (the “Agreement”), with Scientific Industries, Inc.

December 19, 2018 DEF 14A

SCND / Scientific Industries, Inc. PRIMARY DOCUMENT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (As Permitted by Rule 14a-6(e)

November 13, 2018 10-Q

SCND / Scientific Industries, Inc. PRIMARY DOCUMENT (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2018 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 0-6658 SCIENTIFIC INDUSTRIES, INC. (

September 28, 2018 8-K

Current Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): September 27, 2018 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employ

September 28, 2018 10-K

SCND / Scientific Industries, Inc. FORM 10K (Annual Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended June 30, 2018 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 0-6658 SCIENTIFIC INDUSTRIES, INC. (Exact Name of

May 15, 2018 10-Q

SCND / Scientific Industries, Inc. SIFORM10Q318 (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2018 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 0-6658 SCIENTIFIC INDUSTRIES, INC. (Exac

March 9, 2018 EX-10.2

Agreement dated February 16, 2018 to extend Consulting Agreement (filed as Exhibit 10A-2 to the Company’s Current Report on Form 8-K filed on March 9, 2018, and incorporated by reference thereto).

Exhibit 10A-2 February 16, 2018 Ms. Grace S. Morin 2200 Kings Hwy, Bldg 3-L, Box 206, Port Charlotte, FL 33980 Dear Grace: Please confirm your agreement by signing where indicated below and returning a copy of this letter that the “Term” of your engagement pursuant to the Consulting Agreement dated April 1, 2009, as amended and/or extended to date (the “Agreement”), with Scientific Industries, Inc

March 9, 2018 8-K

Current Report

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): February 16, 2018 SCIENTIFIC INDUSTRIES, INC. (Exact name of registrant as specified in its charter) Delaware 000-6658 04-2217279 (State or other Jurisdiction) (Commission File Number) (IRS Employe

March 9, 2018 EX-10.1

Agreement extension dated February 16, 2018 to Amended and Restated Consulting Agreement by and between the Company and Mr. Cremonese and affiliates (filed as Exhibit 10-A1 to the Company’s Current Report on Form 8-K filed on March 9, 2018, and incorporated with reference thereto).

Exhibit 10A-1 February 16, 2018 Mr. Joseph Cremonese PO Box 1907 Greensburg, PA 15601 Dear Joe: Please confirm your agreement by signing where indicated below and returning a copy of this letter that the term of your engagement and the engagement of Laboratory Innovation Company, Ltd (collectively, the “Consultants”) pursuant to the Fifth Amended and Restated Consulting Agreement dated January 20,

February 14, 2018 10-Q

SCND / Scientific Industries, Inc. SIFORM10Q1217 (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended December 31, 2017 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 0-6658 SCIENTIFIC INDUSTRIES, INC. (E

December 14, 2017 DEF 14A

SCND / Scientific Industries, Inc. SCIENTIFIC INDUSCTRIES INC. PROXY

Blueprint UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (As Permitted by Rule

November 14, 2017 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2017 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 0-6658 SCIENTIFIC INDUSTRIES, INC. (

September 28, 2017 EX-10.B9

EMPLOYMENT AGREEMENT

EMPLOYMENT AGREEMENT This EMPLOYMENT AGREEMENT, dated as of July 1, 2017, is by and between SCIENTIFIC INDUSTRIES, INC.

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