HCCI / Heritage-Crystal Clean Inc - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Heritage-Crystal Clean Inc
US ˙ NASDAQ ˙ US42726M1062
HINDI NA ACTIVE ANG SIMBONG ITO

Mga Batayang Estadistika
LEI 254900KPFL42CYD2VY03
CIK 1403431
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 Heritage-Crystal Clean 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.
February 14, 2024 SC 13G/A

HCCI / Heritage-Crystal Clean Inc / ArrowMark Colorado Holdings LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.

October 27, 2023 15-12G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-33987 Heritage-Crystal Clean, Inc. (Exact name of registrant as specified

October 27, 2023 SC 13G/A

HCCI / Heritage-Crystal Clean Inc / GLAZER CAPITAL, LLC Passive Investment

SC 13G/A 1 hcci20231017.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 Heritage-Crystal Clean, Inc. (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 42726M106 (CUSIP Number) October 17, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to

October 17, 2023 8-K

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): October 17, 2023 HERITAGE-CRYSTAL

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): October 17, 2023 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of Registrant as specified in its charter) Delaware 001-33987 26-0351454 (State of Incorporation) (Commission File Number) (I

October 17, 2023 EX-3.1

SECOND AMENDED AND RESTATED CERTIFICATE OF INCORPORATION HERITAGE-CRYSTAL CLEAN, INC. ARTICLE I

EX-3.1 Exhibit 3.1 SECOND AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF HERITAGE-CRYSTAL CLEAN, INC. ARTICLE I The name of the corporation is Heritage-Crystal Clean, Inc. ARTICLE II The address of the registered office of Heritage-Crystal Clean, Inc. (the “Corporation”) in the State of Delaware is 1209 Orange Street, City of Wilmington, County of New Castle, Delaware 19801. The name of its

October 17, 2023 POS AM

As filed with the Securities and Exchange Commission on October 17, 2023

As filed with the Securities and Exchange Commission on October 17, 2023 Registration No.

October 17, 2023 EX-99.1

J.F. Lehman & Company Completes Acquisition of Heritage-Crystal Clean, Inc.

EX-99.1 Exhibit 99.1 J.F. Lehman & Company Completes Acquisition of Heritage-Crystal Clean, Inc. HOFFMAN ESTATES, Ill. - October 17, 2023 - Heritage-Crystal Clean, Inc. (“Crystal Clean” or the “Company”), a leading provider of parts cleaning, used oil re-refining, hazardous and non-hazardous waste disposal, emergency and spill response, and industrial and field services to vehicle maintenance busi

October 17, 2023 S-8 POS

As filed with the Securities and Exchange Commission on October 17, 2023

As filed with the Securities and Exchange Commission on October 17, 2023 Registration No.

October 17, 2023 S-8 POS

As filed with the Securities and Exchange Commission on October 17, 2023

As filed with the Securities and Exchange Commission on October 17, 2023 Registration No.

October 17, 2023 S-8 POS

As filed with the Securities and Exchange Commission on October 17, 2023

As filed with the Securities and Exchange Commission on October 17, 2023 Registration No.

October 17, 2023 S-8 POS

As filed with the Securities and Exchange Commission on October 17, 2023

As filed with the Securities and Exchange Commission on October 17, 2023 Registration No.

October 17, 2023 EX-3.2

BYLAWS HERITAGE-CRYSTAL CLEAN, INC. A Delaware Corporation

EX-3.2 Exhibit 3.2 BYLAWS OF HERITAGE-CRYSTAL CLEAN, INC. A Delaware Corporation TABLE OF CONTENTS Page ARTICLE ONE: OFFICES 1    1.1 Registered Office and Agent 1 1.2 Other Offices 1 ARTICLE TWO: MEETINGS OF STOCKHOLDERS 1 2.1 Annual Meeting 1 2.2 Special Meeting 1 2.3 Place of Meetings 1 2.4 Notice 2 2.5 Voting List 2 2.6 Quorum 2 2.7 Required Vote; Withdrawal of Quorum 2 2.8 Method of Voting; P

October 11, 2023 8-K

Current Report

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): October 10, 2023 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of Registrant as specified in its charter) Delaware 001-33987 26-0351454 (State of Incorporation) (Commission File Number) (I

October 5, 2023 DEFA14A

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

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 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)(2)) ☐ Definitive Proxy State

October 3, 2023 DEFA14A

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

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 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)(2)) ☐ Definitive Proxy State

September 25, 2023 SC 13G

HCCI / Heritage-Crystal Clean Inc / GLAZER CAPITAL, LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 Heritage-Crystal Clean, Inc. (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 42726M106 (CUSIP Number) September 14, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant

September 20, 2023 DEFA14A

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

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 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)(2)) ☐ Definitive Proxy State

September 6, 2023 8-K

Financial Statements and Exhibits, Other Events

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 6, 2023 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of Registrant as specified in its charter) Delaware 001-33987 26-0351454 (State of Incorporation) (Commission File Number) (

September 6, 2023 DEFA14A

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 6, 2023 HERITAGE-CRYSTA

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 6, 2023 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of Registrant as specified in its charter) Delaware 001-33987 26-0351454 (State of Incorporation) (Commission File Number) (

September 6, 2023 EX-99.1

Heritage-Crystal Clean Inc. Announces Expiration of Hart-Scott-Rodino Waiting Period for Acquisition by J.F. Lehman & Company

Exhibit 99.1 Heritage-Crystal Clean Inc. Announces Expiration of Hart-Scott-Rodino Waiting Period for Acquisition by J.F. Lehman & Company HOFFMAN ESTATES, Ill. – September 6, 2023 – Heritage-Crystal Clean, Inc. (Nasdaq: HCCI) (“Crystal Clean” or the “Company”) today announced the expiration of the waiting period under the Hart-Scott-Rodino (“HSR”) Antitrust Improvements Act of 1976, with respect

September 6, 2023 EX-99.1

Heritage-Crystal Clean Inc. Announces Expiration of Hart-Scott-Rodino Waiting Period for Acquisition by J.F. Lehman & Company

Exhibit 99.1 Heritage-Crystal Clean Inc. Announces Expiration of Hart-Scott-Rodino Waiting Period for Acquisition by J.F. Lehman & Company HOFFMAN ESTATES, Ill. – September 6, 2023 – Heritage-Crystal Clean, Inc. (Nasdaq: HCCI) (“Crystal Clean” or the “Company”) today announced the expiration of the waiting period under the Hart-Scott-Rodino (“HSR”) Antitrust Improvements Act of 1976, with respect

August 31, 2023 DEFM14A

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

Table of Contents 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 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)(2)) ☒ Defi

August 24, 2023 EX-99.1

Heritage-Crystal Clean, Inc. Announces Expiration of “Go-Shop” Period Contained in Previously Announced Merger Agreement Acquisition by J.F. Lehman & Company Remains on Track to Close in Fourth Quarter of 2023

Exhibit 99.1 Heritage-Crystal Clean, Inc. Announces Expiration of “Go-Shop” Period Contained in Previously Announced Merger Agreement Acquisition by J.F. Lehman & Company Remains on Track to Close in Fourth Quarter of 2023 HOFFMAN ESTATES, Ill. – August 24, 2023 – Heritage-Crystal Clean, Inc. (Nasdaq: HCCI) (“Crystal Clean” or the “Company”), a leading provider of parts cleaning, hazardous and non

August 24, 2023 EX-99.1

Heritage-Crystal Clean, Inc. Announces Expiration of “Go-Shop” Period Contained in Previously Announced Merger Agreement Acquisition by J.F. Lehman & Company Remains on Track to Close in Fourth Quarter of 2023

Exhibit 99.1 Heritage-Crystal Clean, Inc. Announces Expiration of “Go-Shop” Period Contained in Previously Announced Merger Agreement Acquisition by J.F. Lehman & Company Remains on Track to Close in Fourth Quarter of 2023 HOFFMAN ESTATES, Ill. – August 24, 2023 – Heritage-Crystal Clean, Inc. (Nasdaq: HCCI) (“Crystal Clean” or the “Company”), a leading provider of parts cleaning, hazardous and non

August 24, 2023 8-K

Financial Statements and Exhibits, Other Events

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): August 24, 2023 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of Registrant as specified in its charter) Delaware 001-33987 26-0351454 (State of Incorporation) (Commission File Number) (IR

August 24, 2023 DEFA14A

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): August 24, 2023 HERITAGE-CRYSTAL

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): August 24, 2023 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of Registrant as specified in its charter) Delaware 001-33987 26-0351454 (State of Incorporation) (Commission File Number) (IR

August 10, 2023 EX-FILING FEES

CALCULATION OF FILING FEE TABLES Schedule 14A (Form Type) Heritage-Crystal Clean, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation Proposed Maximum Aggregate Value of Transaction Fee Rate Amount of Filing Fee

Exhibit 107 CALCULATION OF FILING FEE TABLES Schedule 14A (Form Type) Heritage-Crystal Clean, Inc.

August 10, 2023 PREM14A

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

PREM14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

August 9, 2023 EX-99.1

Heritage-Crystal Clean, Inc. Condensed Consolidated Balance Sheets (In Thousands, Except Share and Par Value Amounts) June 30, 2023 December 31, 2022 (unaudited) ASSETS Current assets: Cash and cash equivalents $ 33,100 $ 22,053 Accounts receivable -

Heritage-Crystal Clean, Inc. Announces Second Quarter 2023 Financial Results Second Quarter Highlights Include: •Revenue for the second quarter of 2023 was $192.2 million, compared to $156.6 million for the same quarter of 2022, an increase of 22.7%. •Environmental Services segment revenue of $96.0 million represents a record high for a three-month quarter, an increase of 22.8% from the year-ago q

August 9, 2023 10-Q

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR ☐ 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 001-33987 HERITAGE-CR

August 9, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): August 9, 2023 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Commis

July 20, 2023 EX-99.2

LIMITED GUARANTEE

EX-99.2 Exhibit 99.2 LIMITED GUARANTEE This Limited Guarantee is dated as of July 19, 2023 (this “Limited Guarantee”), and is made by JFL Equity Investors VI, L.P., a Delaware limited partnership (the “Guarantor”), in favor of Heritage-Crystal Clean, Inc., a Delaware corporation (the “Guaranteed Party”). Capitalized terms used and not defined herein have the meanings given to such terms in the Mer

July 20, 2023 8-K

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): July 18, 2023 HERITAGE-CRYSTAL CL

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): July 18, 2023 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Commiss

July 20, 2023 DEFA14A

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

DEFA14A 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 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)(2)) ☐ Definitive Pro

July 20, 2023 EX-2.1

AGREEMENT AND PLAN OF MERGER by and among JFL-TIGER ACQUISITION CO., INC., JFL-TIGER MERGER SUB, INC. HERITAGE-CRYSTAL CLEAN, INC. Dated as of July 19, 2023

EX-2.1 Exhibit 2.1 AGREEMENT AND PLAN OF MERGER by and among JFL-TIGER ACQUISITION CO., INC., JFL-TIGER MERGER SUB, INC. and HERITAGE-CRYSTAL CLEAN, INC. Dated as of July 19, 2023 The Agreement and Plan of Merger (the “Agreement”) contains representations, warranties and covenants that were made only for purposes of the Agreement and as of specific dates; were solely for the benefit of the parties

July 20, 2023 EX-99.4

VOTING AND SUPPORT AGREEMENT

EX-99.4 Exhibit 99.4 VOTING AND SUPPORT AGREEMENT This VOTING AND SUPPORT AGREEMENT (this “Agreement”) is made and entered into as of July 19, 2023 by and among JFL-Tiger Acquisition Co, Inc., a Delaware corporation (“Parent”), JFL-Tiger Merger Sub, Inc., a Delaware corporation and a wholly-owned subsidiary of Parent (“Merger Sub”), and the undersigned stockholder (the “Stockholder”) of Heritage-C

July 20, 2023 EX-99.3

VOTING AND SUPPORT AGREEMENT

EX-99.3 Exhibit 99.3 VOTING AND SUPPORT AGREEMENT This VOTING AND SUPPORT AGREEMENT (this “Agreement”) is made and entered into as of July 19, 2023 by and among JFL-Tiger Acquisition Co, Inc., a Delaware corporation (“Parent”), JFL-Tiger Merger Sub, Inc., a Delaware corporation and a wholly-owned subsidiary of Parent (“Merger Sub”), and the undersigned stockholders (each, a “Stockholder” and, coll

July 20, 2023 DEFA14A

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

DEFA14A 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 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)(2)) ☐ Definitive Pro

July 20, 2023 DEFA14A

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

DEFA14A 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 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)(2)) ☐ Definitive Pro

July 20, 2023 DEFA14A

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

DEFA14A 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 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)(2)) ☐ Definitive Pro

July 20, 2023 DEFA14A

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

DEFA14A 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 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)(2)) ☐ Definitive Pro

July 20, 2023 DEFA14A

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): July 18, 2023 HERITAGE-CRYSTAL CL

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): July 18, 2023 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Commiss

July 20, 2023 DEFA14A

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

DEFA14A 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 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)(2)) ☐ Definitive Pro

July 20, 2023 EX-99.1

Heritage-Crystal Clean, Inc. to be Acquired by J.F. Lehman & Company for $1.2 Billion

EX-99.1 Exhibit 99.1 Heritage-Crystal Clean, Inc. to be Acquired by J.F. Lehman & Company for $1.2 Billion HOFFMAN ESTATES, Ill.—(BUSINESS WIRE)—Heritage-Crystal Clean, Inc. (Nasdaq: HCCI) (“Crystal Clean”), a leading provider of parts cleaning, hazardous and non-hazardous waste services, used oil re-refining, antifreeze recycling, industrial and field services, and emergency and spill response se

June 16, 2023 8-K

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): June 13, 2023 HERITAGE-CRYSTAL CL

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): June 13, 2023 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Commiss

May 18, 2023 SC 13G/A

HCCI / Heritage-Crystal Clean Inc / Maggie Trust 106 FBO F M Fehsenfeld & issue UAD 12 30 1974 - AMENDMENT NO. 2 TO SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G/A UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 2)* HERITAGE-CRYSTAL CLEAN, INC. (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securities) 42726M106 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the Appropriate Box to Designate the Rul

May 18, 2023 SC 13G/A

HCCI / Heritage-Crystal Clean Inc / Fehsenfeld Fred M Jr - AMENDMENT NO. 7 TO SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G/A UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 7)* HERITAGE-CRYSTAL CLEAN, INC. (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securities) 42726M106 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the Appropriate Box to Designate the Rul

May 9, 2023 EX-99.1

Heritage-Crystal Clean, Inc. Condensed Consolidated Balance Sheets (In Thousands, Except Share and Par Value Amounts) March 31, 2023 December 31, 2022 ASSETS Current assets: Cash and cash equivalents $ 35,338 $ 22,053 Accounts receivable - net 113,06

Heritage-Crystal Clean, Inc. Announces First Quarter 2023 Financial Results First Quarter Highlights Include: •Net income was $16.6 million; up 28.8% compared to net income of $12.9 million in the first quarter of 2022. •Basic earnings per share were $0.70 for the quarter, an increase of 27.3% compared to $0.55 for the first quarter of 2022. •Revenue for the first quarter of 2023 was $193.5 millio

May 9, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): May 9, 2023 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Commissio

May 9, 2023 10-Q

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 OR ☐ 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 001-33987 HERITAGE-C

May 1, 2023 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 Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant [x] 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)(2))

April 21, 2023 PRE 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 Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant [x] Filed by a Party other than the Registrant [ ] Check the appropriate box: [x ] Preliminary Proxy Statement [ ] Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)

April 17, 2023 EX-10.1

HERITAGE-CRYSTAL CLEAN, INC. REGISTRATION RIGHTS AGREEMENT

HERITAGE-CRYSTAL CLEAN, INC. REGISTRATION RIGHTS AGREEMENT THIS REGISTRATION RIGHTS AGREEMENT (this “Agreement”) is made as of April 13, 2023 among Heritage-Crystal Clean, Inc., a Delaware corporation (the “Company”), The Heritage Group, an Indiana general partnership (the “Heritage Group”), and each Person listed on the signature pages under the caption “Other Investors” or who executes a Joinder

April 17, 2023 8-K

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): April 13, 2023 HERITAGE-CRYSTAL C

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): April 13, 2023 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Commis

March 1, 2023 EX-99.1

Heritage-Crystal Clean, Inc. Condensed Consolidated Balance Sheets (In Thousands) (Unaudited) December 31, 2022 January 1, 2022 ASSETS Current assets: Cash and cash equivalents $ 22,053 $ 56,269 Accounts receivable - net 114,408 62,513 Inventory - ne

Heritage-Crystal Clean, Inc. Announces Record 2022 Fourth Quarter and Full Year Financial Results Fourth Quarter Highlights: •Net income was a record $27.6 million; up significantly compared to net income of $18.1 million in the fourth quarter of 2021. •Basic earnings per share were a record high of $1.17 for the quarter, an increase of 51.9% compared to $0.77 for the fourth quarter of 2021. •Oil

March 1, 2023 EX-4.1

Description of Common Stock

DESCRIPTION OF COMMON STOCK The following summary is a description of the material terms and provisions of common stock (“common stock”) of Heritage-Crystal Clean, Inc.

March 1, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PUR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ 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 001-33987 HERITAGE-CRYSTA

March 1, 2023 EX-21.1

Subsidiaries of Heritage-Crystal Clean, Inc.***

Exhibit 21.1 Subsidiaries of Heritage-Crystal Clean, Inc. Name Jurisdiction of Incorporation/Organization Heritage-Crystal Clean, LLC Indiana Subsidiaries of Heritage-Crystal Clean, LLC Mirachem, LLC Delaware Heritage-Crystal Clean, Limited A Canadian Corporation Subsidiary of Heritage-Crystal Clean, Limited Sav-Tech Solvent, Inc. Ontario, Canada Corporation HCC Corporation, LLC Delaware Raider En

March 1, 2023 8-K

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): March 1, 2023 HERITAGE-CRYSTAL CL

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): March 1, 2023 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Commiss

February 15, 2023 SC 13G/A

HCCI / Heritage-Crystal Clean, Inc. / ArrowMark Colorado Holdings LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.

December 9, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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): December 5, 2022 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Comm

December 9, 2022 EX-10.1

Heritage-Crystal Clean, Inc. Grant Notice and Agreement dated December 5, 2022 between the Company and Mark DeVita (Incorporated herein by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed with the SEC on December 9, 2022).

HERITAGE-CRYSTAL CLEAN, INC. GRANT NOTICE AND AGREEMENT RESTRICTED STOCK UNITS Name of Awardee: Mark DeVita Number of Restricted Stock Units: 36,471 Award Date: November 14, 2022 Vesting Commencement Date: September 21, 2022 Heritage-Crystal Clean, Inc. (the ?Company?) is pleased to confirm that you (the ?Awardee?) have been granted a restricted stock unit (?RSU?) award (this ?Award?) subject to t

November 9, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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): November 7, 2022 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Comm

November 9, 2022 EX-10.1

Amendment to Executive Employment Agreement dated as of November 7, 2022 between the Company and Ellie Bruce (Incorporated herein by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed with the SEC on November 9, 2022).

AMENDMENT TO EXECUTIVE EMPLOYMENT AGREEMENT THIS AMENDMENT NO. 1 TO EMPLOYMENT AGREEMENT (this ?Amendment?) is made and entered into as of November 7, 2022 and effective as of the Effective Date (defined below), by and between Heritage-Crystal Clean, Inc., a Delaware corporation (the "Company"), and Ellie Bruce (?Executive?). WHEREAS, the parties entered into a certain Executive Employment Agreeme

October 19, 2022 EX-99.1

Heritage-Crystal Clean, Inc. Condensed Consolidated Balance Sheets (In Thousands, Except Share and Par Value Amounts) September 10, 2022 January 1, 2022 ASSETS Current assets: Cash and cash equivalents $ 25,714 $ 56,269 Accounts receivable - net 118,

Heritage-Crystal Clean, Inc. Announces Record Third Quarter 2022 Financial Results Third Quarter Highlights Include: ?Net income was a record high $23.2 million; up 25.4% compared to net income of $18.5 million in the third quarter of 2021. ?Basic earnings per share were a record high of $0.98 for the quarter, an increase of 24.1% compared to $0.79 for the third quarter of 2021. ?Oil Business segm

October 19, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): October 19, 2022 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Comm

October 19, 2022 10-Q

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 10, 2022 OR ? 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 001-33987 HERITA

October 19, 2022 EX-10.1

Amendment No.1 to Credit Agreement dated as of August 3, 2022, by and among the Heritage-Crystal Clean, Inc., Heritage-Crystal Clean, LLC and the subsidiaries identified therein and Bank of America, N.A., as administrative agent, JPMorgan Chase Bank, N.A., and Wells Fargo Bank, National Association (Incorporated herein by reference to Exhibit 10.1 of the Company’s Quarterly Report on Form 10-Q for the Quarter ended September 10, 2022 filed with the SEC on October 19, 2022).**

AMENDMENT NO. 1 TO CREDIT AGREEMENT [*] This AMENDMENT NO. 1 TO CREDIT AGREEMENT (this ?Amendment?) is made and entered into as of August 3, 2022, among HERITAGE-CRYSTAL CLEAN, LLC, an Indiana limited liability company (the ?Borrower?), HERITAGE-CRYSTAL CLEAN, INC., a Delaware corporation (?Holdings?), each Subsidiary of the Borrower from time to time party to the Credit Agreement referred to belo

October 13, 2022 EX-99.4

Unaudited Pro Forma Financial Information

Unaudited Pro Forma Financial Information On August 3, 2022 (the ?Closing Date?), Heritage-Crystal Clean, LLC, an Indiana limited liability company (?Buyer?) and a wholly owned subsidiary of Heritage-Crystal Clean, Inc.

October 13, 2022 EX-99.3

Interim Condensed Carve-out Combined Financial Statements of Patriot Environmental Services, Inc. and Subsidiaries. As of the first half ended June 30, 2022 and fiscal year 2021

Interim Condensed Carve-out Combined Financial Statements of Patriot Environmental Services, Inc.

October 13, 2022 8-K/A

Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A Amendment No. 1 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 3, 2022 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Inco

October 13, 2022 EX-99.2

PATRIOT ENVIRONMENTAL SERVICES, INC. AND SUBSIDIARIES CONSOLIDATED FINANCIAL STATEMENTS WITH SUPPLEMENTARY INFORMATION DECEMBER 31, 2021 AND 2020

PATRIOT ENVIRONMENTAL SERVICES, INC. AND SUBSIDIARIES CONSOLIDATED FINANCIAL STATEMENTS WITH SUPPLEMENTARY INFORMATION DECEMBER 31, 2021 AND 2020 CONTENTS Independent Auditors? Report 1-2 Consolidated Balance Sheets 3 Consolidated Statements of Operations 4 Consolidated Statements of Stockholder?s Equity 5 Consolidated Statements of Cash Flows 6 Notes to the Consolidated Financial Statements 7-14

August 3, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets

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): August 3, 2022 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Commis

August 3, 2022 EX-99.1

Heritage-Crystal Clean, Inc. Completes Acquisition of Patriot Environmental

Heritage-Crystal Clean, Inc. Completes Acquisition of Patriot Environmental ELGIN, IL, August 3, 2022 — Heritage-Crystal Clean, Inc. (Nasdaq: HCCI), a leading provider of parts cleaning, used oil re-refining, and hazardous and non-hazardous waste services primarily focused on small and mid-sized customers, today announced it has completed its acquisition of Patriot Environmental Services, Inc. (“P

August 2, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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): July 27, 2022 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Commiss

July 27, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): July 27, 2022 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Commiss

July 27, 2022 EX-99.1

Heritage-Crystal Clean, Inc. Condensed Consolidated Balance Sheets (In Thousands, Except Share and Par Value Amounts) June 18, 2022 January 1, 2022 ASSETS Current assets: Cash and cash equivalents $ 73,760 $ 56,269 Accounts receivable - net 80,266 62

Heritage-Crystal Clean, Inc. Announces Record Second Quarter 2022 Financial Results Second quarter Highlights Include: ?Net income was a record high $21.1 million; up 39.7% compared to net income of $15.1 million in the second quarter of 2021. ?Basic earnings per share were a record $0.90 for the quarter, an increase of 38.5% compared to $0.65 for the second quarter of 2021. ?Oil Business segment

July 27, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 18, 2022 OR ☐ TRANSITION REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 18, 2022 OR ? 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 001-33987 HERITAGE-CR

June 30, 2022 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): June 29, 2022 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Commiss

June 30, 2022 8-K

Entry into a Material Definitive Agreement, 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): June 30, 2022 (June 29, 2022) HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorpo

June 30, 2022 EX-2.1

Stock Purchase Agreement, dated as of June 29, 2022, by and between Heritage-Crystal Clean, LLC and Channel PES Acquisition Co., LLC*

Exhibit 2.1 STOCK PURCHASE AGREEMENT by and between HERITAGE-CRYSTAL CLEAN, LLC and CHANNEL PES ACQUISITION CO., LLC Dated as of June 29, 2022 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 1 ARTICLE II PURCHASE AND SALE OF THE SHARES 17 2.1 Purchase and Sale of the Shares 17 2.2 Closing 17 2.3 Consideration 17 2.4 Purchase Price Adjustment 18 2.5 Withholdings 22 2.6 Escrow Arrangements 22 2.7 Pre-C

June 30, 2022 EX-99.1

Heritage-Crystal Clean, Inc Signs Definitive Agreement to Acquire Patriot Environmental

Heritage-Crystal Clean, Inc Signs Definitive Agreement to Acquire Patriot Environmental ELGIN, IL, June 30, 2022 ? Heritage-Crystal Clean, Inc.

May 6, 2022 8-K

Current Report

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): May 4, 2022 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Commissio

May 4, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): May 4, 2022 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Commissio

May 4, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 26, 2022 OR ☐ TRANSITION REPOR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 26, 2022 OR ? 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 001-33987 HERITAGE-C

May 4, 2022 EX-99.1

Heritage-Crystal Clean, Inc. Condensed Consolidated Balance Sheets (In Thousands, Except Share and Par Value Amounts) March 26, 2022 January 1, 2022 ASSETS Current assets: Cash and cash equivalents $ 71,066 $ 56,269 Accounts receivable - net 70,047 6

Heritage-Crystal Clean, Inc. Announces First Quarter 2022 Financial Results First Quarter Highlights Include: ?Net income was $12.9 million; up 39.9% compared to net income of $9.2 million in the first quarter of 2021. ?Basic earnings per share were $0.55 for the quarter, an increase of 41.0% compared to $0.39 for the first quarter of 2021. ?Oil Business segment revenue of $54.7 million represents

March 24, 2022 CORRESP

Heritage-Crystal Clean, Inc. 2175 Point Boulevard, Suite 375 Elgin, IL 60123 March 24, 2022

Heritage-Crystal Clean, Inc. 2175 Point Boulevard, Suite 375 Elgin, IL 60123 March 24, 2022 Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Re: Heritage-Crystal Clean, Inc. Registration Statement on Form S-3 File No. 333-262605 VIA EDGAR VIA EDGAR Ladies and Gentlemen: Pursuant to Rule 461 under the Securities Act of 1933, as amended, He

March 24, 2022 S-3/A

As filed with the Securities and Exchange Commission on March 24, 2022

As filed with the Securities and Exchange Commission on March 24, 2022 Registration No.

March 22, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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): March 22, 2022 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Commis

March 22, 2022 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.__ )

DEF 14A 1 proxystatement2022.htm 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. ) Filed by the Registrant [x] Filed by a Party other than the Registrant [ ] Check the appropriate box: [ ] Preliminary Proxy Statement [ ] Confidential, for Use of the Commissio

March 15, 2022 CORRESP

Heritage-Crystal Clean, Inc. 2175 Point Boulevard, Suite 375 Elgin, IL 60123 March 15, 2022

CORRESP 1 filename1.htm Heritage-Crystal Clean, Inc. 2175 Point Boulevard, Suite 375 Elgin, IL 60123 March 15, 2022 Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Re: Heritage-Crystal Clean, Inc. Registration Statement on Form S-3 File No. 333-262605 VIA EDGAR Ladies and Gentlemen: Reference is made to our letter, filed as correspondenc

March 10, 2022 S-3/A

As filed with the Securities and Exchange Commission on March 10, 2022

As filed with the Securities and Exchange Commission on March 10, 2022 Registration No.

March 8, 2022 CORRESP

Heritage-Crystal Clean, Inc. 2175 Point Boulevard, Suite 375 Elgin, IL 60123

CORRESP 1 filename1.htm Heritage-Crystal Clean, Inc. 2175 Point Boulevard, Suite 375 Elgin, IL 60123 March 8, 2022 Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Re: Heritage-Crystal Clean, Inc. Registration Statement on Form S-3 File No. 333-262605 VIA EDGAR Ladies and Gentlemen: Pursuant to Rule 461 under the Securities Act of 1933, a

March 2, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended January 1, 2022 OR ☐ TRANSITION REPORT PURSU

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended January 1, 2022 OR ? 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 001-33987 HERITAGE-CRYSTAL

March 2, 2022 EX-99.1

Heritage-Crystal Clean, Inc. Condensed Consolidated Balance Sheets (In Thousands) January 1, 2022 January 2, 2021 ASSETS Current Assets: Cash and cash equivalents $ 56,269 $ 67,575 Accounts receivable - net 62,513 48,479 Inventory - net 29,536 24,978

Heritage-Crystal Clean, Inc. Announces Record 2021 Fourth Quarter and Full Year Financial Results Fourth Quarter Highlights: ?Net income was $18.1 million; up significantly compared to net income of $5.3 million in the fourth quarter of 2020. ?Basic earnings per share was $0.77 for the quarter, up significantly from $0.23 for the fourth quarter of 2020. ?Oil Business segment revenue of $65.8 milli

March 2, 2022 EX-4.1

Description of Common Stock

DESCRIPTION OF COMMON STOCK The following summary is a description of the material terms and provisions of common stock (?common stock?) of Heritage-Crystal Clean, Inc.

March 2, 2022 EX-21.1

Subsidiaries of Heritage-Crystal Clean, Inc.***

Exhibit 21.1 Subsidiaries of Heritage-Crystal Clean, Inc. Name Jurisdiction of Incorporation/Organization Heritage-Crystal Clean, LLC Indiana Subsidiaries of Heritage-Crystal Clean, LLC Mirachem, LLC Delaware Heritage-Crystal Clean, Limited A Canadian Corporation Subsidiary of Heritage-Crystal Clean, Limited Sav-Tech Solvent, Inc. Ontario, Canada Corporation HCC Corporation, LLC Delaware Raider En

March 2, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): March 2, 2022 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Commiss

February 14, 2022 SC 13G/A

HCCI / Heritage-Crystal Clean, Inc. / ArrowMark Colorado Holdings LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.

February 11, 2022 S-3/A

As filed with the Securities and Exchange Commission on February 11, 2022

As filed with the Securities and Exchange Commission on February 11, 2022 Registration No.

February 9, 2022 EX-FILING FEES

Filing Fees

Exhibit 107 EX-FILING FEES Calculation of Filing Fee Tables F0RM S-3 REGISTRATION STATEMENT (Form Type) HERITAGE-CRYSTAL CLEAN, INC.

February 9, 2022 S-3

Powers of Attorney

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

October 20, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): October 20, 2021 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Comm

October 20, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 11, 2021 OR ☐ TRANSITION R

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 11, 2021 OR ? 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 001-33987 HERITA

October 20, 2021 EX-99.1

Heritage-Crystal Clean, Inc. Condensed Consolidated Balance Sheets (In Thousands, Except Share and Par Value Amounts) September 11, 2021 January 2, 2021 ASSETS Current assets: Cash and cash equivalents $ 75,273 $ 67,575 Accounts receivable - net 60,2

Heritage-Crystal Clean, Inc. Announces Record Third Quarter 2021 Financial Results Third Quarter Highlights Include: ?Net income was $18.5 million; up significantly compared to net income of $4.0 million in the third quarter of 2020. This was the second straight quarter of record net income. ?Basic earnings per share was $0.79 for the quarter, up significantly from $0.17 for the third quarter of 2

July 28, 2021 EX-99.1

Heritage-Crystal Clean, Inc. Condensed Consolidated Balance Sheets (In Thousands, Except Share and Par Value Amounts) June 19, 2021 January 2, 2021 ASSETS Current assets: Cash and cash equivalents $ 67,272 $ 67,575 Accounts receivable - net 59,393 48

Heritage-Crystal Clean, Inc. Announces Record Second Quarter 2021 Financial Results Second Quarter Highlights Include: ?Net income was a record high $15.1 million; up significantly compared to a net loss of $2.7 million in the second quarter of 2020. ?Basic earnings per share was a record $0.65 for the quarter, up significantly from a basic loss of $0.11 for the second quarter of 2020. ?Environmen

July 28, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 19, 2021 OR ☐ TRANSITION REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 19, 2021 OR ? 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 001-33987 HERITAGE-CR

July 28, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): July 28, 2021 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Commiss

May 5, 2021 8-K

Current Report

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): May 3, 2021 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Commissio

May 5, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): May 4, 2021 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Commissio

May 5, 2021 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March, 27, 2021 OR ? 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 001-33987 HERITAGE-

May 5, 2021 EX-99.1

Heritage-Crystal Clean, Inc. Condensed Consolidated Balance Sheets (In Thousands, Except Share and Par Value Amounts) March 27, 2021 January 2, 2021 ASSETS Current assets: Cash and cash equivalents $ 46,669 $ 67,575 Accounts receivable - net 52,614 4

Heritage-Crystal Clean, Inc. Announces Record First Quarter 2021 Financial Results First Quarter Highlights Include: ?Net income was $9.2 million, a record for a 12-week quarter and up 74% compared to $5.3 million in the first quarter of 2020. ?Diluted earnings per share was a record for a 12-week quarter at $0.39, up 70%, or $0.16, from $0.23 for the first quarter of 2020. ?Oil Business segment r

April 14, 2021 DEFA14A

- DEFA14A

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. ) Filed by the Registrant [x] 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)(2))

March 23, 2021 EX-99

Published CUSIP Numbers: 42726RAL9 (Deal) 42726RAM7 (Revolver) CREDIT AGREEMENT Dated as of March 18, 2021 among HERITAGE-CRYSTAL CLEAN, LLC, as the Borrower, BANK OF AMERICA, N.A., as the Administrative Agent, Swing Line Lender, and L/C Issuer, and

Published CUSIP Numbers: 42726RAL9 (Deal) 42726RAM7 (Revolver) CREDIT AGREEMENT Dated as of March 18, 2021 among HERITAGE-CRYSTAL CLEAN, LLC, as the Borrower, BANK OF AMERICA, N.

March 23, 2021 DEF 14A

- 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. ) Filed by the Registrant [x] 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)(2))

March 23, 2021 DEFA14A

- DEFA14A

DEFA14A 1 defa14a2021.htm DEFA14A 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. ) Filed by the Registrant [x] Filed by a Party other than the Registrant [ ] Check the appropriate box: [ ] Preliminary Proxy Statement [ ] Confidential, for Use of the Commission Only

March 23, 2021 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

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): March 18, 2021 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Commis

March 2, 2021 EX-99.1

Heritage-Crystal Clean, Inc. Condensed Consolidated Balance Sheets (In Thousands) January 2, 2021 December 28, 2019 ASSETS Current Assets: Cash and cash equivalents $ 67,575 $ 60,694 Accounts receivable - net 48,479 55,586 Inventory - net 24,978 29,3

Heritage-Crystal Clean, Inc. Announces 2020 Fourth Quarter and Full Year Financial Results Fourth Quarter Highlights: •Oil Business Segment operating margin was a fourth quarter record 9.1% compared to 3.5% from the prior year quarter. •Net income attributable to common shareholders for the fourth quarter was $5.3 million compared to a net loss of $2.2 million in the fourth quarter of 2019. •Dilut

March 2, 2021 EX-21.1

Subsidiaries of Heritage-Crystal Clean, Inc.***

Exhibit 21.1 Subsidiaries of Heritage-Crystal Clean, Inc. Name Jurisdiction of Incorporation/Organization Heritage-Crystal Clean, LLC Indiana Subsidiaries of Heritage-Crystal Clean, LLC Mirachem, LLC Delaware Heritage-Crystal Clean, Limited A Canadian Corporation Subsidiary of Heritage-Crystal Clean, Limited Sav-Tech Solvent, Inc. Ontario, Canada Corporation HCC Corporation, LLC Delaware

March 2, 2021 10-K

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended January 2, 2021 OR ? 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 001-33987 HERITAGE-CRYSTAL

March 2, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): March 1, 2021 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Commiss

February 16, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 5)* Heritage-Crystal Clean, Inc.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.

February 3, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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): January 30, 2021 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Comm

January 13, 2021 EX-10.1

Second Amendment to Executive Employment Agreement

secondamendmenttoexecuti US.129930434.05 SECOND AMENDMENT TO EXECUTIVE EMPLOYMENT AGREEMENT This Second Amendment to Executive Employment Agreement (the “Second Amendment”) is made and entered into effective as of February 1, 2021, by and between Heritage-Crystal Clean, Inc., a Delaware corporation (the “Company”), and Brian J. Recatto (“Executive”). Recitals A. The Company and Executive are parti

January 13, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits - 8-K

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): January 8, 2021 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Commi

October 14, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 5, 2020 OR ☐ 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 001-33987 HERITAG

October 14, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

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): October 14, 2020 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Comm

October 14, 2020 EX-99.1

Heritage-Crystal Clean, Inc. Condensed Consolidated Balance Sheets (In Thousands, Except Share and Par Value Amounts) September 5, 2020 December 28, 2019 ASSETS Current assets: Cash and cash equivalents $ 52,650 $ 60,694 Accounts receivable - net 48,

Heritage-Crystal Clean, Inc. Announces Third Quarter 2020 Financial Results Third Quarter Highlights: •Third quarter revenues of $87.1 million were up $7.6 million, or 9.6%, compared to the second quarter of 2020. •Third quarter Environmental Services segment operating margin of 23.4% was up 9.4 percentage points quarter-over-quarter. •Our Oil Business segment reported third quarter revenues of $2

July 23, 2020 S-8

- S-8

Registration No. 333- As filed with the Securities and Exchange Commission on July 23, 2020 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) DELAWARE (State or other jurisdiction of incorporation of organization) 26-0351454 (I.R.S. Employer I

July 23, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 13, 2020 OR ☐ 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 001-33987 HERITAGE-CR

July 22, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): July 22, 2020 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Commiss

July 22, 2020 EX-99.1

Heritage-Crystal Clean, Inc. Condensed Consolidated Balance Sheets (In Thousands, Except Share and Par Value Amounts) June 13, 2020 December 28, 2019 ASSETS Current assets: Cash and cash equivalents $ 50,782 $ 60,694 Accounts receivable - net 47,101

Heritage-Crystal Clean, Inc. Announces Second Quarter 2020 Financial Results Second Quarter Summary: •Second quarter reported revenues of $79.5 million were down $25.5 million, or 24.3%, compared to the second quarter of 2019. •Environmental Services segment reported second quarter revenues of $59.8 million, a decrease of 14.8% compared to the second quarter of 2019. Despite the decline in revenue

May 1, 2020 8-K

Current Report

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): April 28, 2020 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Commis

April 30, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 21, 2020 OR o 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 001-33987 HERITAGE-C

April 29, 2020 EX-99.1

Heritage-Crystal Clean, Inc. Condensed Consolidated Balance Sheets (In Thousands, Except Share and Par Value Amounts) March 21, 2020 December 28, 2019 ASSETS Current assets: Cash and cash equivalents $ 56,938 $ 60,694 Accounts receivable - net 55,122

Heritage-Crystal Clean, Inc. Announces Record First Quarter 2020 Financial Results First Quarter Highlights Include: •Revenue of $107.3 million, a first quarter record, was 12.0% higher than the first quarter of 2019. •Environmental Services segment reported record first quarter revenue of $77.5 million, an increase of 16.5% compared to the first quarter of 2019. •Environmental Services segment pr

April 29, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): April 29, 2020 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Delaware 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Commis

March 19, 2020 DEFA14A

HCCI / Heritage-Crystal Clean, Inc. DEFA14A - - DEFA14A

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. ) Filed by the Registrant [x] 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)(2))

March 19, 2020 DEF 14A

HCCI / Heritage-Crystal Clean, Inc. DEF 14A - - 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. ) Filed by the Registrant [x] 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)(2))

March 3, 2020 10-K

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 28, 2019 OR o 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 001-33987 HERITAGE-CRYSTA

March 3, 2020 EX-21.1

Subsidiaries of Heritage-Crystal Clean, Inc.***

Exhibit 21.1 Subsidiaries of Heritage-Crystal Clean, Inc. Name Jurisdiction of Incorporation/Organization Heritage-Crystal Clean, LLC Indiana Subsidiaries of Heritage-Crystal Clean, LLC Mirachem, LLC (80.01%) Delaware Heritage-Crystal Clean, Limited A Canadian Corporation Subsidiary of Heritage-Crystal Clean, Limited Sav-Tech Solvent, Inc. Ontario, Canada Corporation HCC Corporation, LLC Delaware

March 3, 2020 EX-10.3

Second Amendment to 2017 Credit Agreement

secondamendmentto2017cre SECOND AMENDMENT TO CREDIT AGREEMENT This SECOND AMENDMENT TO CREDIT AGREEMENT (this “Second Amendment”) is entered into as of December 20, 2019 (the “Second Amendment Closing Date”) and effective as of the Second Amendment Effective Date (as defined below), among HERITAGE-CRYSTAL CLEAN, LLC, an Indiana limited liability company (the “Borrower”), HERITAGE-CRYSTAL CLEAN, INC.

March 3, 2020 EX-4.3

Description of Common Stock

DESCRIPTION OF COMMON STOCK The following summary is a description of the material terms and provisions of common stock (“common stock”) of Heritage-Crystal Clean, Inc.

March 2, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): March 2, 2020 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Commiss

March 2, 2020 EX-99.1

Heritage-Crystal Clean, Inc. Condensed Consolidated Balance Sheets (In Thousands) December 28, 2019 December 29, 2018 ASSETS Current Assets: Cash and cash equivalents $ 60,694 $ 43,579 Accounts receivable - net 55,586 51,744 Inventory - net 29,373 33

Heritage-Crystal Clean, Inc. Announces 2019 Fourth Quarter and Full Year Financial Results Fourth Quarter Highlights: •Total Company revenue for the fourth quarter of 2019 was a record $138.8 million, a 9.3% increase from the prior year quarter •Environmental Services segment revenue was a record $96.9 million, a 12.8% increase compared to the prior year quarter •Oil Business Segment revenue for t

February 14, 2020 SC 13G/A

HCCI / Heritage-Crystal Clean, Inc. / Arrowpoint Asset Management, LLC - SCHEDULE 13G HOLDINGS REPORT AMENDMENT Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.

October 17, 2019 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 7, 2019 OR o 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 001-33987 HERITAG

October 16, 2019 EX-99.1

Heritage-Crystal Clean, Inc. Announces Third Quarter 2019 Financial Results

EXHIBIT 99.1 Heritage-Crystal Clean, Inc. Announces Third Quarter 2019 Financial Results Third Quarter Highlights Include: Revenue of $104.8 million, a third quarter record, was 5.2% higher than the third quarter of 2018. Environmental Services segment reported record third quarter revenue of $69.0 million, an increase of 9.0% compared to the third quarter of 2018. Environmental Services segment p

October 16, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): October 16, 2019 Heritage-Crystal Clean, Inc. (Exact Name of Registrant as Specified in Charter) DELAWARE 001-33987 26-0351454 (State or Other Jurisdiction of Incorporation) (Commissi

July 25, 2019 10-Q

HCCI / Heritage-Crystal Clean, Inc. 10-Q - Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 15, 2019 OR o 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 001-33987 HERITAGE-CR

July 24, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): July 24, 2019 Heritage-Crystal Clean, Inc. (Exact Name of Registrant as Specified in Charter) DELAWARE 001-33987 26-0351454 (State or Other Jurisdiction of Incorporation) (Commission

July 24, 2019 EX-99.1

Heritage-Crystal Clean, Inc. Announces Record Second Quarter 2019 Financial Results

EXHIBIT 99.1 Heritage-Crystal Clean, Inc. Announces Record Second Quarter 2019 Financial Results Second Quarter Highlights Include: Revenue of $105.0 million, a second quarter record, was 4.7% higher than our second quarter of 2018. Environmental Services segment revenue was also a second quarter record at $70.2 million, an increase of 8.9% compared to the second quarter of 2018. Environmental Ser

May 6, 2019 8-K

Current Report

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): May 1, 2019 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Commissio

May 2, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): May 1, 2019 Heritage-Crystal Clean, Inc. (Exact Name of Registrant as Specified in Charter) DELAWARE 001-33987 26-0351454 (State or Other Jurisdiction of Incorporation) (Commission Fi

May 2, 2019 EX-99.1

Heritage-Crystal Clean, Inc. Announces First Quarter 2019 Financial Results

EXHIBIT 99.1 Heritage-Crystal Clean, Inc. Announces First Quarter 2019 Financial Results First Quarter Highlights Include: Record revenue of $95.8 million for the first quarter was 15.2% higher than the first quarter of 2018. Environmental Services segment revenue was a first quarter record of $66.5 million, an increase of 15.7% compared to the first quarter of 2018. Oil Business segment revenue w

May 2, 2019 10-Q

HCCI / Heritage-Crystal Clean, Inc. 10-Q Quarterly Report 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 23, 2019 OR o 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 001-33987 HERITAGE-C

April 18, 2019 DEFA14A

HCCI / Heritage-Crystal Clean, Inc. DEFA14A

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. ) Filed by the Registrant [x] 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)(2))

March 22, 2019 DEF 14A

Heritage-Crystal Clean, Inc. 2019 Incentive Award Plan (incorporated herein by reference to Exhibit A to Heritage-Crystal Clean, Inc.’s Definitive Proxy Statement on Schedule 14A filed with the SEC on March 22, 2019).

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. ) Filed by the Registrant [x] 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)(2))

March 22, 2019 DEFA14A

HCCI / Heritage-Crystal Clean, Inc. DEFA14A

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. ) Filed by the Registrant [x] 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)(2))

March 13, 2019 PRE 14A

HCCI / Heritage-Crystal Clean, Inc. PRE 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. ) Filed by the Registrant [x] Filed by a Party other than the Registrant [ ] Check the appropriate box: [ x ] Preliminary Proxy Statement [ ] Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2

March 6, 2019 10-K

HCCI / Heritage-Crystal Clean, Inc. 10-K (Annual Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 29, 2018 OR o 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 001-33987 HERITAGE-CRYSTA

March 6, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): March 5, 2019 Heritage-Crystal Clean, Inc. (Exact Name of Registrant as Specified in Charter) DELAWARE 001-33987 26-0351454 (State or Other Jurisdiction of Incorporation) (Commission

March 6, 2019 EX-99.1

Heritage-Crystal Clean, Inc. Announces 2018 Fourth Quarter and Full Year Financial Results

EXHIBIT 99.1 Heritage-Crystal Clean, Inc. Announces 2018 Fourth Quarter and Full Year Financial Results Fourth Quarter Highlights: Environmental Services segment revenue was a record $85.9 million, a 15.0% increase compared to the fourth quarter of 2017 Environmental Services segment profit before corporate selling, general, and administrative expenses increased $3.1 million, or 15.3%, compared to

March 6, 2019 EX-21.1

Subsidiaries of Heritage-Crystal Clean, Inc.***

Exhibit 21.1 Subsidiaries of Heritage-Crystal Clean, Inc. Name Jurisdiction of Incorporation/Organization Heritage-Crystal Clean, LLC Indiana Subsidiaries of Heritage-Crystal Clean, LLC Mirachem, LLC (80.01%) Delaware Heritage-Crystal Clean, Limited A Canadian Corporation Subsidiary of Heritage-Crystal Clean, Limited Sav-Tech Solvent, Inc. Ontario, Canada Corporation HCC Corporation, LLC Delaware

February 14, 2019 SC 13G/A

HCCI / Heritage-Crystal Clean, Inc. / Arrowpoint Asset Management, LLC - SCHEDULE 13G HOLDINGS REPORT AMENDMENT Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.

February 13, 2019 SC 13G/A

HCCI / Heritage-Crystal Clean, Inc. / Cove Street Capital, LLC Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 6)* Heritage-Crystal Clean Inc (Name of Issuer) Common Stock (Title of Class of Securities) 42726M106 (CUSIP Number) Merihan Tynan 2101 East El Segundo Boulevard. Suite 302 El Segundo, CA 90245 (Name, Address and Telephone Number of Person Autho

February 4, 2019 EX-10.1

Retirement Agreement

Exhibit RETIREMENT AGREEMENT

February 4, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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): February 1, 2019 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Comm

October 17, 2018 EX-99.1

Heritage-Crystal Clean, Inc. Announces 2018 Third Quarter Financial Results

EXHIBIT 99.1 Heritage-Crystal Clean, Inc. Announces 2018 Third Quarter Financial Results The Following Results were Third Quarter Records: Revenue for the third quarter was $99.7 million, an increase of 19.6% compared to the same quarter of 2017. Environmental Services segment revenue was $63.3 million for the third quarter, an increase of 15.0% compared to the third quarter of 2017. Oil Business

October 17, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): October 17, 2018 Heritage-Crystal Clean, Inc. (Exact Name of Registrant as Specified in Charter) DELAWARE 001-33987 26-0351454 (State or Other Jurisdiction of Incorporation) (Commissi

October 17, 2018 10-Q

HCCI / Heritage-Crystal Clean, Inc. 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 8, 2018 OR o 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 001-33987 HERITAG

July 26, 2018 10-Q

HCCI / Heritage-Crystal Clean, Inc. 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 16, 2018 OR o 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 001-33987 HERITAGE-CR

July 25, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): July 25, 2018 Heritage-Crystal Clean, Inc. (Exact Name of Registrant as Specified in Charter) DELAWARE 001-33987 26-0351454 (State or Other Jurisdiction of Incorporation) (Commission

July 25, 2018 EX-99.1

Heritage-Crystal Clean, Inc. Announces 2018 Second Quarter Financial Results

EXHIBIT 99.1 Heritage-Crystal Clean, Inc. Announces 2018 Second Quarter Financial Results Highlights: Revenue for the second quarter was $100.3 million which represents a record high for a 12-week quarter and an increase of 16.1%, or $13.9 million, compared to the same quarter of 2017. Environmental Services segment second quarter revenue of $64.4 million represents growth of 17.0% compared to the

May 4, 2018 8-K

Current Report

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): May 1, 2018 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-33987 26-0351454 (State or other jurisdiction of Incorporation) (Commissio

May 3, 2018 10-Q

HCCI / Heritage-Crystal Clean, Inc. 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 24, 2018 OR o 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 001-33987 HERITAGE-C

May 2, 2018 EX-99.1

Heritage-Crystal Clean, Inc. Announces 2018 First Quarter Financial Results

EXHIBIT 99.1 Heritage-Crystal Clean, Inc. Announces 2018 First Quarter Financial Results Highlights: Revenue for the first quarter increased 3.3%, or $2.7 million, compared to the same quarter of 2017. Environmental Services revenue increased 8.0%, or $4.3 million, compared to the first quarter of 2017. ELGIN, Ill., May 02, 2018 (GLOBE NEWSWIRE) - Heritage-Crystal Clean, Inc. (Nasdaq:HCCI), a lead

May 2, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): May 2, 2018 Heritage-Crystal Clean, Inc. (Exact Name of Registrant as Specified in Charter) DELAWARE 001-33987 26-0351454 (State or Other Jurisdiction of Incorporation) (Commission Fi

March 22, 2018 DEFA14A

HCCI / Heritage-Crystal Clean, Inc. DEFA14A

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. ) Filed by the Registrant [x] 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)(2))

March 22, 2018 DEF 14A

HCCI / Heritage-Crystal Clean, Inc. 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. ) Filed by the Registrant [x] 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)(2))

March 2, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): February 28, 2018 Heritage-Crystal Clean, Inc. (Exact Name of Registrant as Specified in Charter) DELAWARE 001-33987 26-0351454 (State or Other Jurisdiction of Incorporation) (Commiss

March 2, 2018 EX-99.1

Heritage-Crystal Clean, Inc. Announces 2017 Fourth Quarter and Full Year Financial Results

EXHIBIT 99.1 Heritage-Crystal Clean, Inc. Announces 2017 Fourth Quarter and Full Year Financial Results Fourth Quarter Highlights: Environmental Services segment revenue was a record $74.7 million, growth of 9.4% over 2016 Oil Business segment revenue was $41.1 million, and operating profit was a record of $3.3 million EBITDA was $14.2 million and Adjusted EBITDA was $15.9 million, both records fo

March 1, 2018 10-K

HCCI / Heritage-Crystal Clean, Inc. 10-K (Annual Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 30, 2017 OR o 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 001-33987 HERITAGE-CRYSTA

March 1, 2018 EX-21.1

Subsidiaries of Heritage-Crystal Clean, Inc.***

Exhibit 21.1 Subsidiaries of Heritage-Crystal Clean, Inc. Name Jurisdiction of Incorporation/Organization Heritage-Crystal Clean, LLC Indiana Subsidiaries of Heritage-Crystal Clean, LLC Mirachem, LLC (80.01%) Delaware Heritage-Crystal Clean, Limited A Canadian Corporation Subsidiary of Heritage-Crystal Clean, Limited Sav-Tech Solvent, Inc. Ontario, Canada Corporation International Petroleum Corpor

March 1, 2018 EX-10.2

First Amendment to 2017 Credit Agreement

FIRST AMENDMENT TO CREDIT AGREEMENT This FIRST AMENDMENT TO CREDIT AGREEMENT (this “First Amendment”) is made and entered into as of June 28, 2017, among HERITAGE-CRYSTAL CLEAN, LLC, an Indiana limited liability company (the “Borrower”), HERITAGE-CRYSTAL CLEAN, INC.

March 1, 2018 EX-10.4

Form of Restricted Stock Award under Omnibus Incentive Plan***

FORM OF RESTRICTED STOCK AWARD AGREEMENT This Restricted Stock Award ("Award") is made this [insert date] ("Date of Grant"), by Heritage-Crystal Clean, Inc.

February 13, 2018 EX-1

JOINT FILING AGREEMENT, dated as of the February 13, 2018, between Cove Street Capital LLC and Jeffrey Bronchick (collectively, the "Joint Filers").

Exhibit 1 JOINT FILING AGREEMENT, dated as of the February 13, 2018, between Cove Street Capital LLC and Jeffrey Bronchick (collectively, the "Joint Filers").

February 13, 2018 SC 13G/A

HCCI / Heritage-Crystal Clean, Inc. / Cove Street Capital, LLC Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 5)* Heritage-Crystal Clean Inc (Name of Issuer) Common Stock (Title of Class of Securities) 42726M106 (CUSIP Number) Merihan Tynan 2101 East El Segundo Boulevard. Suite 302 El Segundo, CA 90245 (Name, Address and Telephone Number of Person Autho

February 9, 2018 SC 13G/A

HCCI / Heritage-Crystal Clean, Inc. / Arrowpoint Asset Management, LLC - 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.

December 13, 2017 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

Document 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): December 12 , 2017 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-33987 26-0351454 (State or other jurisdiction of Incorpora

November 3, 2017 EX-10.1

Employment Agreement

Exhibit EXECUTIVE EMPLOYMENT AGREEMENT This Executive Employment Agreement (? Agreement ?) is made and entered into effective as of November 2, 2017 (? Effective Date ?) by and between Heritage-Crystal Clean, Inc.

November 3, 2017 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

Document 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): November 2 , 2017 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) DELAWARE 001-33987 26-0351454 (State or other jurisdiction of Incorporat

October 23, 2017 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

Document 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): October 18 , 2017 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Check the appropriate box below if the Form 8-K filing is intended to si

October 23, 2017 EX-10.1

Employment Agreement

Exhibit EXECUTIVE EMPLOYMENT AGREEMENT This Executive Employment Agreement (? Agreement ?) is made and entered into effective as of October 18, 2017 (? Effective Date ?) by and between Heritage-Crystal Clean, Inc.

October 19, 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 (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 9, 2017 OR o 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 001-33987 HERITAG

October 18, 2017 EX-99.1

Heritage-Crystal Clean, Inc. Announces 2017 Third Quarter Financial Results

EdgarFiling

October 18, 2017 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): October 18, 2017 Heritage-Crystal Clean, Inc. (Exact Name of Registrant as Specified in Charter) DELAWARE 001-33987 26-0351454 (State or Other Jurisdiction of Incorporation) (Commissi

August 10, 2017 SC 13G/A

HCCI / Heritage-Crystal Clean, Inc. / Arrowpoint Asset Management, LLC - 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.

July 26, 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 (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 17, 2017 OR o 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 001-33987 HERITAGE-CR

July 26, 2017 EX-10.1

First Amendment to the Credit Agreement

8952497.4 FIRST AMENDMENT TO CREDIT AGREEMENT This FIRST AMENDMENT TO CREDIT AGREEMENT (this ?First Amendment?) is made and entered into as of June 28, 2017, among HERITAGE- CRYSTAL CLEAN, LLC, an Indiana limited liability company (the ?Borrower?), HERITAGE-CRYSTAL CLEAN, INC., a Delaware corporation (?Holdings?), each Subsidiary of the Borrower from time to time party to the Credit Agreement refe

July 25, 2017 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): July 25, 2017 Heritage-Crystal Clean, Inc. (Exact Name of Registrant as Specified in Charter) DELAWARE 001-33987 26-0351454 (State or Other Jurisdiction of Incorporation) (Commission

July 25, 2017 EX-99.1

Heritage-Crystal Clean, Inc. Announces 2017 Record Second Quarter Financial Results

EdgarFiling

June 30, 2017 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

Document 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): June 30, 2017 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Check the appropriate box below if the Form 8-K filing is intended to simult

June 30, 2017 EX-10.1

EX-10.1

transitionagreementgregr

May 2, 2017 10-Q

Heritage-Crystal Clean 10-Q (Quarterly Report)

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 25, 2017 OR o 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 001-33987 H

May 1, 2017 EX-99.1

Heritage-Crystal Clean, Inc. Announces 2017 Record First Quarter Financial Results

EdgarFiling

May 1, 2017 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): May 1, 2017 Heritage-Crystal Clean, Inc. (Exact Name of Registrant as Specified in Charter) DELAWARE 001-33987 26-0351454 (State or Other Jurisdiction of Incorporation) (Commission Fi

April 27, 2017 8-K

Current Report

Document 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): April 25, 2017 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Check the appropriate box below if the Form 8-K filing is intended to simul

March 22, 2017 DEF 14A

Heritage-Crystal Clean DEF 14A

Document HERITAGE-CRYSTAL CLEAN, INC. 2175 Point Boulevard, Suite 375 Elgin, Illinois 60123 NOTICE OF ANNUAL MEETING OF SHAREHOLDERS TO BE HELD ON APRIL 25, 2017 To the shareholders of Heritage-Crystal Clean, Inc.: The Annual Meeting of Shareholders of Heritage-Crystal Clean, Inc. (the ?Company?) will be held at the Company's corporate headquarters located at 2175 Point Boulevard, Suite 375, Elgin

March 3, 2017 10-K

Heritage-Crystal Clean 10-K (Annual Report)

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2016 OR o 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 001-33987 HERITA

March 3, 2017 EX-10.4

FORM OF RESTRICTED STOCK AWARD AGREEMENT

FORM OF RESTRICTED STOCK AWARD AGREEMENT This Restricted Stock Award ("Award") is made this [insert date] ("Date of Grant"), by Heritage-Crystal Clean, Inc.

March 3, 2017 EX-21.1

Subsidiaries of Heritage-Crystal Clean, Inc. Name Jurisdiction of Incorporation/Organization Heritage-Crystal Clean, LLC Indiana Subsidiaries of Heritage-Crystal Clean, LLC Mirachem, LLC (80.01%) Delaware Heritage-Crystal Clean, Limited A Canadian Co

Exhibit 21.1 Subsidiaries of Heritage-Crystal Clean, Inc. Name Jurisdiction of Incorporation/Organization Heritage-Crystal Clean, LLC Indiana Subsidiaries of Heritage-Crystal Clean, LLC Mirachem, LLC (80.01%) Delaware Heritage-Crystal Clean, Limited A Canadian Corporation Subsidiary of Heritage-Crystal Clean, Limited Sav-Tech Solvent, Inc. Ontario, Canada Corporation International Petroleum Corpor

March 1, 2017 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): March 1, 2017 Heritage-Crystal Clean, Inc. (Exact Name of Registrant as Specified in Charter) DELAWARE 001-33987 26-0351454 (State or Other Jurisdiction of Incorporation) (Commission

March 1, 2017 EX-99.1

Heritage-Crystal Clean, Inc. Announces 2016 Fourth Quarter and Full Year Financial Results

EdgarFiling

February 27, 2017 8-K

Heritage-Crystal Clean 8-K (Current Report/Significant Event)

Document 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): February 21, 2017 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Check the appropriate box below if the Form 8-K filing is intended to si

February 27, 2017 EX-10.1

2017 Credit Agreement

Exhibit Published CUSIP Numbers: 42726RAH8 (Deal) 42726RAJ4 (Revolver) 42726RAK1 (Term Loan) CREDIT AGREEMENT Dated as of February 21, 2017 among HERITAGE-CRYSTAL CLEAN, LLC, as the Borrower, BANK OF AMERICA, N.

February 24, 2017 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

Document 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): February 21, 2017 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Check the appropriate box below if the Form 8-K filing is intended to si

February 14, 2017 SC 13G/A

HCCI / Heritage-Crystal Clean, Inc. / Cove Street Capital, LLC Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 4)* Heritage-Crystal Clean Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 42726M106 (CUSIP Number) Daniele Beasley 2101 E. El Segundo Boulevard. Suite 302 El Segundo, CA 90245 (Name, Address and Telephone Number of Person Auth

February 13, 2017 SC 13G

HCCI / Heritage-Crystal Clean, Inc. / Arrowpoint Asset Management, LLC - 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.

December 9, 2016 EX-99.1

Heritage-Crystal Clean, Inc. Announces the Retirement of its Founder, President and CEO Joe Chalhoub

Exhibit Heritage-Crystal Clean, Inc. Announces the Retirement of its Founder, President and CEO Joe Chalhoub ELGIN, IL, December 6, 2016 - Heritage-Crystal Clean, Inc. (Nasdaq: HCCI), a leading provider of parts cleaning, used oil re-refining, and hazardous and non-hazardous waste services primarily focused on small and mid-sized customers, announces the retirement of its Founder, President and CE

December 9, 2016 8-K/A

Heritage-Crystal Clean 8-K/A (Current Report/Significant Event)

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A Amendment No. 1 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 5, 2016 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Check the appropriate box below if the Form 8-K filing

December 9, 2016 EX-10.1

Retirement Agreement between Joseph Chalhoub, and Heritage-Crystal Clean, Inc. (Incorporated herein by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K/A filed with the SEC on December 9, 2016).

retirementagreement

December 9, 2016 EX-10.2

Employment Agreement between Brian Recatto, and Heritage-Crystal Clean, Inc. (Incorporated herein by reference to Exhibit 10.2 to the Company's Current Report on Form 8-K/A filed with the SEC on December 9, 2016).

employmentagreementexhib

December 8, 2016 EX-10.1

EX-10.1

EXHIBIT 10.1

December 8, 2016 8-K

Heritage-Crystal Clean FORM 8-K (Current Report/Significant Event)

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): December 8, 2016 Heritage-Crystal Clean, Inc. (Exact Name of Registrant as Specified in Charter) DELAWARE 001-33987 26-0351454 (State or Other Jurisdiction of Incorporation) (Commissi

December 8, 2016 EX-99.1

Heritage-Crystal Clean, Inc. Announces the Retirement of its Founder, President and CEO Joe Chalhoub

EdgarFiling EXHIBIT 99.1 Heritage-Crystal Clean, Inc. Announces the Retirement of its Founder, President and CEO Joe Chalhoub ELGIN, Ill., Dec. 06, 2016 (GLOBE NEWSWIRE) - Heritage-Crystal Clean, Inc. (Nasdaq:HCCI), a leading provider of parts cleaning, used oil re-refining, and hazardous and non-hazardous waste services primarily focused on small and mid-sized customers, announces the retirement

December 8, 2016 EX-10.2

EX-10.2

EXHIBIT 10.2

October 21, 2016 10-Q/A

Heritage-Crystal Clean 10-Q/A (Quarterly Report)

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q/A Amendment No.1 (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 10, 2016 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission Fi

October 20, 2016 10-Q

Heritage-Crystal Clean 10-Q (Quarterly Report)

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 10, 2016 OR o 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 001-339

October 19, 2016 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): October 19, 2016 Heritage-Crystal Clean, Inc. (Exact Name of Registrant as Specified in Charter) DELAWARE 001-33987 26-0351454 (State or Other Jurisdiction of Incorporation) (Commissi

October 19, 2016 EX-99.1

Heritage-Crystal Clean, Inc. Announces 2016 Third Quarter Financial Results

EdgarFiling

July 28, 2016 10-Q

Heritage-Crystal Clean 10-Q (Quarterly Report)

Document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 18, 2016 OR o 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 001-33987 HE

July 27, 2016 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): July 27, 2016 Heritage-Crystal Clean, Inc. (Exact Name of Registrant as Specified in Charter) DELAWARE 001-33987 26-0351454 (State or Other Jurisdiction of Incorporation) (Commission

July 27, 2016 EX-99.1

Heritage-Crystal Clean, Inc. Announces 2016 Second Quarter Financial Results

EdgarFiling

June 10, 2016 SC 13G/A

HCCI / Heritage-Crystal Clean, Inc. / Cove Street Capital, LLC - 13G/A Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 4)* Heritage-Crystal Clean, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 42726M106 (CUSIP Number) Daniele Beasley 2101 E El Segundo Blvd. Suite 302 El Segundo, CA 90245 (Name, Address and Telephone Number of Person Authorize

May 9, 2016 8-K

Current Report

8-K 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): May 4, 2016 HERITAGE-CRYSTAL CLEAN, INC. (Exact name of registrant as specified in its charter) Check the appropriate box below if the Form 8-K filing is intended to simultaneousl

May 5, 2016 10-Q

Heritage-Crystal Clean 10-Q (Quarterly Report)

10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 26, 2016 OR o 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 001-33987 HERIT

May 4, 2016 EX-99.1

Heritage-Crystal Clean, Inc. Announces 2016 First Quarter Financial Results

EdgarFiling

May 4, 2016 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): May 4, 2016 Heritage-Crystal Clean, Inc. (Exact Name of Registrant as Specified in Charter) DELAWARE 001-33987 26-0351454 (State or Other Jurisdiction of Incorporation) (Commission Fi

April 7, 2016 DEF 14A

Heritage-Crystal Clean HERITAGE-CRYSTAL CLEAN PROXY 2016

DEF 14A HERITAGE-CRYSTAL CLEAN, INC. 2175 Point Boulevard, Suite 375 Elgin, Illinois 60123 NOTICE OF ANNUAL MEETING OF SHAREHOLDERS TO BE HELD ON MAY 4, 2016 To the shareholders of Heritage-Crystal Clean, Inc.: The Annual Meeting of Shareholders of Heritage-Crystal Clean, Inc. (the ?Company?) will be held at the Company's corporate headquarters located at 2175 Point Boulevard, Suite 375, Elgin, Il

March 16, 2016 10-K

Heritage-Crystal Clean 10-K (Annual Report)

10-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended January 2, 2016 OR o 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 001-33987 HERITAGE-CRY

March 16, 2016 EX-21.1

Subsidiaries of Heritage-Crystal Clean, Inc. Name Jurisdiction of Incorporation/Organization Heritage-Crystal Clean, LLC Indiana Subsidiaries of Heritage-Crystal Clean, LLC Mirachem, LLC (80.01%) Delaware Heritage-Crystal Clean, Limited A Canadian Co

Exhibit 21.1 Subsidiaries of Heritage-Crystal Clean, Inc. Name Jurisdiction of Incorporation/Organization Heritage-Crystal Clean, LLC Indiana Subsidiaries of Heritage-Crystal Clean, LLC Mirachem, LLC (80.01%) Delaware Heritage-Crystal Clean, Limited A Canadian Corporation Subsidiary of Heritage-Crystal Clean, Limited Sav-Tech Solvent, Inc. Ontario, Canada Corporation International Petroleum Corpor

March 16, 2016 EX-10.4

FORM OF RESTRICTED STOCK AWARD AGREEMENT

FORM OF RESTRICTED STOCK AWARD AGREEMENT This Restricted Stock Award ("Award") is made this [insert date] ("Date of Grant"), by Heritage-Crystal Clean, Inc.

March 7, 2016 8-K

Heritage-Crystal Clean FORM 8-K (Current Report/Significant Event)

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): March 7, 2016 Heritage-Crystal Clean, Inc. (Exact Name of Registrant as Specified in Charter) DELAWARE 001-33987 26-0351454 (State or Other Jurisdiction of Incorporation) (Commission

March 7, 2016 EX-99.1

Heritage-Crystal Clean, Inc. Announces 2015 Fourth Quarter and Full Year Financial Results

EdgarFiling

February 12, 2016 SC 13G/A

HCCI / Heritage-Crystal Clean, Inc. / Cove Street Capital, LLC - 13G/A AMENDMENT NO 3 Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* Heritage-Crystal Cean, Inc. (Name of Issuer) Common Stock, par value $0.01 (Title of Class of Securities) 42726M106 (CUSIP Number) Daniele Beasley 2101 E El Segundo Blvd. Suite 302 El Segundo, CA 90245 (424) 221-5897 (Name, Address and Telep

February 9, 2016 SC 13G/A

HCCI / Heritage-Crystal Clean, Inc. / KINDERHOOK, LP - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A* Under the Securities Exchange Act of 1934 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. 3)* Heritage-Crystal Clean, Inc. (Name of Issuer) Common Stock, par value $0.01 (Title of Class of Securities) 4272

January 5, 2016 CORRESP

Heritage-Crystal Clean ESP

CORRESP January 5, 2016 HERITAGE-CRYSTAL CLEAN, INC. January 5, 2016 By EDGAR United States Securities and Exchange Commission Division of Corporation Finance Washington, D.C. 20549-4631 Attention: John Cash Re: Heritage-Crystal Clean, Inc. Form 10-K for the Fiscal Year ended January 3, 2015 File No. 1-33987 Dear Mr. Cash: The following contains the responses of Heritage-Crystal Clean, Inc. (the ?

December 2, 2015 CORRESP

Heritage-Crystal Clean ESP

CORRESP December 2, 2015 HERITAGE-CRYSTAL CLEAN, INC. December 2, 2015 By EDGAR United States Securities and Exchange Commission Division of Corporation Finance Washington, D.C. 20549-4631 Attention: John Cash Re: Heritage-Crystal Clean, Inc. Form 10-K for the Fiscal Year ended January 3, 2015 File No. 1-33987 Dear Mr. Cash: I am writing you to request an extension to the deadline to submit our re

October 28, 2015 CORRESP

Heritage-Crystal Clean ESP

CORRESP October 28, 2015 HERITAGE-CRYSTAL CLEAN, INC October 28, 2015 By EDGAR United States Securities and Exchange Commission Division of Corporation Finance Washington, D.

October 21, 2015 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 (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 12, 2015 OR o 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 001-33987 HERITA

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