DITC / Ditech Networks Inc - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Ditech Networks Inc
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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 Ditech Networks 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 11, 2013 SC 13G/A

DITC / Ditech Networks Inc / DIMENSIONAL FUND ADVISORS LP - SCHEDULE 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 5)* DITECH NETWORKS INC (Name of Issuer) Common Stock (Title of Class of Securities) 25500T108 (CUSIP Number) December 31, 2012 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Sch

December 14, 2012 15-12G

- 15-12G

UNITED STATES OMB APPROVAL SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 OMB Number: 3235-0167 Expires: October 13, 2013 Estimated average burden hours per response . . . 1.50 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 EXCHA

December 6, 2012 S-8 POS

- S-8 POS

As filed with the Securities and Exchange Commission on December 6, 2012 Registration No.

December 6, 2012 S-8 POS

- S-8 POS

As filed with the Securities and Exchange Commission on December 6, 2012 Registration No.

December 6, 2012 S-8 POS

- S-8 POS

As filed with the Securities and Exchange Commission on December 6, 2012 Registration No.

December 6, 2012 S-8 POS

- S-8 POS

As filed with the Securities and Exchange Commission on December 6, 2012 Registration No.

December 6, 2012 S-8 POS

- S-8 POS

As filed with the Securities and Exchange Commission on December 6, 2012 Registration No.

December 6, 2012 S-8 POS

- S-8 POS

As filed with the Securities and Exchange Commission on December 6, 2012 Registration No.

December 6, 2012 S-8 POS

- S-8 POS

S-8 POS 1 a12-287572s8pos.htm S-8 POS As filed with the Securities and Exchange Commission on December 6, 2012 Registration No. 333-170719 Registration No. 333-137679 Registration No. 333-133857 Registration No. 333-129983 Registration No. 333-126302 Registration No. 333-126192 Registration No. 333-120278 Registration No. 333-110821 Registration No. 333-100107 Registration No. 333-82624 Registrati

December 6, 2012 S-8 POS

- S-8 POS

As filed with the Securities and Exchange Commission on December 6, 2012 Registration No.

December 6, 2012 S-8 POS

- S-8 POS

As filed with the Securities and Exchange Commission on December 6, 2012 Registration No.

December 6, 2012 S-8 POS

- S-8 POS

As filed with the Securities and Exchange Commission on December 6, 2012 Registration No.

December 6, 2012 POS AM

- POS AM

As filed with the Securities and Exchange Commission on December 6, 2012 Registration No.

December 6, 2012 S-8 POS

- S-8 POS

As filed with the Securities and Exchange Commission on December 6, 2012 Registration No.

December 6, 2012 S-8 POS

- S-8 POS

As filed with the Securities and Exchange Commission on December 6, 2012 Registration No.

December 6, 2012 S-8 POS

- S-8 POS

As filed with the Securities and Exchange Commission on December 6, 2012 Registration No.

December 6, 2012 S-8 POS

- S-8 POS

As filed with the Securities and Exchange Commission on December 6, 2012 Registration No.

December 6, 2012 S-8 POS

- S-8 POS

S-8 POS 1 a12-287574s8pos.htm S-8 POS As filed with the Securities and Exchange Commission on December 6, 2012 Registration No. 333-170719 Registration No. 333-137679 Registration No. 333-133857 Registration No. 333-129983 Registration No. 333-126302 Registration No. 333-126192 Registration No. 333-120278 Registration No. 333-110821 Registration No. 333-100107 Registration No. 333-82624 Registrati

December 4, 2012 EX-3.2

AMENDED AND RESTATED BYLAWS DITECH NETWORKS, INC. DECEMBER 4, 2012

Exhibit 3.2 AMENDED AND RESTATED BYLAWS OF DITECH NETWORKS, INC. DECEMBER 4, 2012 TABLE OF CONTENTS Page ARTICLE I - CORPORATE OFFICES 1 1.1 REGISTERED OFFICE 1 1.2 OTHER OFFICES 1 ARTICLE II - MEETINGS OF STOCKHOLDERS 1 2.1 PLACE OF MEETINGS 1 2.2 ANNUAL MEETING 1 2.3 SPECIAL MEETING 1 2.4 NOTICE OF STOCKHOLDERS’ MEETINGS 2 2.5 MANNER OF GIVING NOTICE; AFFIDAVIT OF NOTICE 2 2.6 QUORUM 2 2.7 ADJOU

December 4, 2012 EX-3.1

AMENDED AND RESTATED CERTIFICATE OF INCORPORATION DITECH NETWORKS, INC.

Exhibit 3.1 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF DITECH NETWORKS, INC. FIRST. The name of this corporation is Ditech Networks, Inc. (the “Corporation”). SECOND. The address of the Corporation’s registered office in the State of Delaware is Corporation Trust Center, 1209 Orange Street, Wilmington, Delaware, 19801, County of New Castle. The name of its registered agent at such addres

December 4, 2012 8-K

Changes in Control of Registrant, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Material Modification to Rights of Security Holders, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 3, 2012 DITECH NETWORKS, INC.

November 27, 2012 DEFA14A

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION 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 o Check the appropriate box: o Preliminary Proxy Statement o Confide

November 5, 2012 DEFM14A

- DEFM14A

Use these links to rapidly review the document TABLE OF CONTENTS TABLE OF CONTENTS Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

October 12, 2012 PREM14A

- PREM14A

Use these links to rapidly review the document TABLE OF CONTENTS TABLE OF CONTENTS Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

October 4, 2012 10-Q/A

Quarterly Report - 10-Q/A

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 July 31, 2012 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 0

October 3, 2012 SC 13D/A

DITC / Ditech Networks Inc / Miller Lloyd I III - SC 13D/A Activist Investment

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D/A (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(a) (Amendment No. 5)¹ Ditech Networks, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 25500T108 (CUSIP Number) Lloyd I. Miller, III, 222 Lakeview Avenue, Suite 160-365,

September 27, 2012 SC 13D

DITC / Ditech Networks Inc / Nuance Communications, Inc. - SC 13D Activist Investment

SC 13D UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. )* Ditech Networks, Inc. (Name of Issuer) Common Stock, par value $.001 per share (Title of Class of Securities) 25500T108 (CUSIP Number) Todd DuChene Executive Vice President and General Counsel Nuance Communications, Inc. 1 Wayside Road Burlington,

September 27, 2012 EX-4.2

VOTING AGREEMENT

EX-4.2 3 d415598dex42.htm FORM OF VOTING AGREEMENT Exhibit 4.2 VOTING AGREEMENT THIS VOTING AGREEMENT (this “Agreement”) is made and entered into as of September 17, 2012, by and between Nuance Communications, Inc., a Delaware corporation (“Parent”), and the undersigned stockholder and/or option holder (the “Stockholder”) of Ditech Networks, Inc., a Delaware corporation (the “Company”). A. Parent,

September 27, 2012 EX-4.1

AGREEMENT AND PLAN OF MERGER by and among NUANCE COMMUNICATIONS, INC., DIAMOND ACQUISITION CORPORATION DITECH NETWORKS, INC. Dated as of September 17, 2012 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 2 1.1 Certain Defined Terms 2 1.2 Additional Defi

EX-4.1 2 d415598dex41.htm AGREEMENT AND PLAN OF MERGER Exhibit 4.1 EXECUTION VERSION AGREEMENT AND PLAN OF MERGER by and among NUANCE COMMUNICATIONS, INC., DIAMOND ACQUISITION CORPORATION and DITECH NETWORKS, INC. Dated as of September 17, 2012 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 2 1.1 Certain Defined Terms 2 1.2 Additional Defined Terms 10 ARTICLE II THE MERGER 11 2.1 The Merger 11 2.2 E

September 18, 2012 EX-99.1

NUANCE TO ACQUIRE DITECH NETWORKS Ditech Networks Enhances Nuance Voice to Text Business with Technology, Customers and Expertise, and Advances Voicemail to Text Platform Innovation

Exhibit 99.1 Press Release NUANCE TO ACQUIRE DITECH NETWORKS Ditech Networks Enhances Nuance Voice to Text Business with Technology, Customers and Expertise, and Advances Voicemail to Text Platform Innovation BURLINGTON, MA — September 18, 2012 — Nuance Communications, Inc. (NASDAQ: NUAN) announced it has signed an agreement to acquire Ditech Networks, Inc. (NASDAQ: DITC). Ditech Networks’ voice t

September 18, 2012 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

8-K 1 a12-2154418k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 17, 2012 DITECH NETWORKS, INC. (Exact name of registrant as specified in its charter) Delaware 000-26209 94-2935531 (State or other jurisdiction of

September 18, 2012 DEFA14A

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a -101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION 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 o Check the appropriate box: o Preliminary Proxy Statement o Confid

September 18, 2012 DEFA14A

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a -101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION 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 o Check the appropriate box: o Preliminary Proxy Statement o Confid

September 18, 2012 DEFA14A

- 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 17, 2012 DITECH NETWORKS, INC.

September 18, 2012 EX-99.1

NUANCE TO ACQUIRE DITECH NETWORKS Ditech Networks Enhances Nuance Voice to Text Business with Technology, Customers and Expertise, and Advances Voicemail to Text Platform Innovation

EX-99.1 2 a12-215441ex99d1.htm EX-99.1 Exhibit 99.1 Press Release NUANCE TO ACQUIRE DITECH NETWORKS Ditech Networks Enhances Nuance Voice to Text Business with Technology, Customers and Expertise, and Advances Voicemail to Text Platform Innovation BURLINGTON, MA — September 18, 2012 — Nuance Communications, Inc. (NASDAQ: NUAN) announced it has signed an agreement to acquire Ditech Networks, Inc. (

September 18, 2012 DEFA14A

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a -101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION 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 o Check the appropriate box: o Preliminary Proxy Statement o Confid

September 13, 2012 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 13, 2012 DITECH NETWORKS, INC.

September 13, 2012 EX-99.1

Ditech Networks, Inc. Condensed Consolidated Balance Sheets (in thousands)

Exhibit 99.1 Ditech Networks Reports Financial Results For The Three Month Period Ended July 31, 2012 SAN JOSE, Calif., September 13, 2012 Ditech Networks, Inc. (NASDAQ: DITC), a leader in voice processing solutions for voice quality enhancement and audio transcription, reported financial results for the three month period ended July 31, 2012. The financial results for the quarter were as follows:

September 13, 2012 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 July 31, 2012 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 000-26209 Ditech Netw

September 13, 2012 PRE 14A

- PRE 14A

QuickLinks - Click here to rapidly navigate through this document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

August 28, 2012 10-K/A

Annual Report - 10-K/A

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K/A Amendment No. 1 (MARK ONE) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended April 30, 2012 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

July 27, 2012 10-K

Annual Report - 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (MARK ONE) ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended April 30, 2012 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: 000-26209

July 27, 2012 EX-21.1

Subsidiaries of Ditech Networks, Inc.

EX-21.1 2 a2210317zex-211.htm EX-21.1 Exhibit 21.1 Subsidiaries of Ditech Networks, Inc. Entity Name Jurisdiction Ditech Communications Europe Limited United Kingdom Ditech Communications Canada, Inc. Canada Ditech India Private Limited India Ditech Communications International, Inc. Delaware Jasomi Networks, Inc. Delaware Grid Communications Systems Inc. Delaware

June 21, 2012 EX-10.2

Amendment No. 2 to the Reseller Agreement

Exhibit 10.2 Amendment No. 2 to the Reseller Agreement This Amendment No. 2 to the Reseller Agreement (the “Amendment”), as amended, is effective as of October 1, 2010 (the “Amendment Effective Date”), and is entered into by and between Ditech Networks, Inc., having an office at 825 E. Middlefield Road, Mountain View, California 94043 (“Ditech”) and Simulscribe LLC, with offices at 885 Second Aven

June 21, 2012 EX-10.1

Ditech Networks, Inc. 2013 Management Bonus Plan

Exhibit 10.1 Ditech Networks, Inc. 2013 Management Bonus Plan Bonuses pursuant to the 2013 Management Bonus Plan will be earned based on (i) limitations based on Company performance, (ii) individual executive target bonuses, (iii) component weighting factors, (iv) an overall maximum bonus limitation, (v) Company performance as against the Company’s 2013 Operating Plan based on revenues and operati

June 21, 2012 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 19, 2012 DITECH NETWORKS, INC.

June 21, 2012 EX-99.1

Ditech Networks, Inc. Condensed Consolidated Balance Sheets (in thousands)

Exhibit 99.1 Ditech Networks Reports Financial Results for the Three and Twelve Month Periods Ended April 30, 2012 San Jose, California, June 19, 2012 - Ditech Networks, Inc. (NASDAQ: DITC), a leader in solutions for voice quality enhancement and voice transcription, reported financial results for the three and twelve month periods ended April 30, 2012. The financial results for the quarter ended

May 31, 2012 SC 13G

DITC / Ditech Networks Inc / Lacuna Hedge Fund Lllp - SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 DITECH NETWORKS, INC. (Name of Issuer) COMMON STOCK, $0.001 PAR VALUE (Title of Class of Securities) 25500T108 (CUSIP Number) MAY 18, 2012 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule pursuant to which this Schedul

May 15, 2012 8-K

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing

8-K 1 a12-1213418k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2012 DITECH NETWORKS, INC. (Exact name of registrant as specified in its charter) Delaware 000-26209 94-2935531 (State or other jurisdiction of incorpo

March 13, 2012 10-Q

Quarterly Report - 10-Q

Table of Contents 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 January 31, 2012 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

March 13, 2012 EX-10.5

LEASE AGREEMENT ECI MONTAGUE LLC as “Landlord” DITECH NETWORKS, INC. as “Tenant”

Exhibit 10.5 LEASE AGREEMENT between ECI MONTAGUE LLC as “Landlord” and DITECH NETWORKS, INC. as “Tenant” Standard Montague Square Lease Form TABLE OF CONTENTS SECTION PAGE 1. PREMISES 4 2. TERM; POSSESSION 4 3. RENT 5 4. SECURITY DEPOSIT 10 5. USE AND COMPLIANCE WITH LAWS 11 6. TENANT IMPROVEMENTS & ALTERATIONS 14 7. MAINTENANCE AND REPAIRS 16 8. TENANT’S TAXES 17 9. UTILITIES AND SERVICES 18 10.

March 12, 2012 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 9, 2012 DITECH NETWORKS, INC.

March 12, 2012 EX-99.1

Ditech Networks Reports Financial Results for the Three and Nine Month Periods Ended January 31, 2012 PhoneTag Revenue Increases 18% Over Prior Quarter

Exhibit 99.1 For immediate release Ditech Networks Reports Financial Results for the Three and Nine Month Periods Ended January 31, 2012 PhoneTag Revenue Increases 18% Over Prior Quarter Ditech Networks, Inc. (NASDAQ: DITC), San Jose, CA., a leader in solutions for voice quality enhancement and voice transcription, reported financial results for the three and nine month periods ended January 31, 2

February 14, 2012 SC 13G/A

DITC / Ditech Networks Inc / DIKER MANAGEMENT LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2) Ditech Networks Corp. (Name of Issuer) Common Stock (Title of Class of Securities) 25500T108 (CUSIP Number) December 31, 2011 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Sc

February 14, 2012 SC 13G/A

DITC / Ditech Networks Inc / DIMENSIONAL FUND ADVISORS LP - SCHEDULE 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 5)* DITECH NETWORKS INC (Name of Issuer) Common Stock (Title of Class of Securities) 25500T108 (CUSIP Number) December 31, 2011 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Sch

February 13, 2012 SC 13G

DITC / Ditech Networks Inc / C. Silk & Sons, Inc. - C. SILK & SONS, INC. SC 13G Passive Investment

SC 13G 1 a50165416.htm C. SILK & SONS, INC. SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. ) DITECH NETWORKS, INC. (Name of Issuer) Common Stock (Title of class of Securities) 25500T108 (CUSIP Number) Marc B. Silk, 24 Hearthstone Drive, Medfield, MA 02052, 508-242-9479 (Name, Address and Telephone

January 18, 2012 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 16, 2012 DITECH NETWORKS, INC.

January 10, 2012 8-K

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

8-K 1 a12-236918k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 6, 2012 DITECH NETWORKS, INC. (Exact name of registrant as specified in its charter) Delaware 000-26209 94-2935531 (State or other jurisdiction of inco

December 23, 2011 8-K

Entry into a Material Definitive Agreement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 21, 2011 DITECH NETWORKS, INC.

December 14, 2011 EX-10.1

DITECH NETWORKS, INC. AMENDED AND RESTATED SEVERANCE BENEFIT PLAN

Exhibit 10.1 DITECH NETWORKS, INC. AMENDED AND RESTATED SEVERANCE BENEFIT PLAN SECTION 1. INTRODUCTION. The Ditech Networks, Inc. Amended and Restated Severance Benefit Plan (the “Plan”) is hereby established effective December 9, 2011 (the “Effective Date”), which Plan amends and restates the Ditech Networks, Inc. Amended and Restated Change in Control Severance Benefit Plan adopted May 17, 2010

December 14, 2011 EX-10.3

DITECH NETWORKS, INC. 2006 EQUITY INCENTIVE PLAN RESTRICTED STOCK UNIT GRANT NOTICE (DIRECTOR)

Exhibit 10.3 DITECH NETWORKS, INC. 2006 EQUITY INCENTIVE PLAN RESTRICTED STOCK UNIT GRANT NOTICE (DIRECTOR) Ditech Networks, Inc. (the “Company”) hereby awards to Participant the number of restricted stock units specified and on the terms set forth below (the “Award”). The Award is subject to all of the terms and conditions as set forth herein and in the Company’s 2006 Equity Incentive Plan (the “

December 14, 2011 EX-10.2

DITECH NETWORKS, INC. 2006 EQUITY INCENTIVE PLAN RESTRICTED STOCK UNIT GRANT NOTICE

Exhibit 10.2 DITECH NETWORKS, INC. 2006 EQUITY INCENTIVE PLAN RESTRICTED STOCK UNIT GRANT NOTICE Ditech Networks, Inc. (the ?Company?) hereby awards to Participant the number of restricted stock units specified and on the terms set forth below (the ?Award?). The Award is subject to all of the terms and conditions as set forth herein and in the Company?s 2006 Equity Incentive Plan (the ?Plan?) and

December 14, 2011 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 9, 2011 DITECH NETWORKS, INC.

December 12, 2011 10-Q

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

Table of Contents 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 October 31, 2011 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

December 12, 2011 EX-99.1

Ditech Networks, Inc. Condensed Consolidated Balance Sheets (in thousands)

Exhibit 99.1 For immediate release Ditech Networks Reports Financial Results For The Three and Six Month Periods Ended October 31, 2011 Ditech Networks, Inc. (NASDAQ: DITC), a leader in voice solutions for quality and transcription, reported financial results for the three and six month periods ended October 31, 2011. The financial results for the three months ended October 31, 2011 were as follow

December 12, 2011 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2011 DITECH NETWORKS,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2011 DITECH NETWORKS, INC.

November 16, 2011 8-K

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 10, 2011 DITECH NETWORKS, INC.

September 21, 2011 EX-3.1

CERTIFICATE OF ELIMINATION OF SERIES A JUNIOR PARTICIPATING PREFERRED STOCK (Pursuant to Section 151 of the Delaware General Corporation Law)

Exhibit 3.1 CERTIFICATE OF ELIMINATION OF SERIES A JUNIOR PARTICIPATING PREFERRED STOCK (Pursuant to Section 151 of the Delaware General Corporation Law) DITECH NETWORKS, INC., a corporation organized and existing under the General Corporation Law of the State of Delaware (hereinafter called the “Company”), hereby certifies that the following resolution was adopted by the Board of Directors of the

September 21, 2011 EX-3.2

CERTIFICATE OF AMENDMENT OF RESTATED CERTIFICATE OF INCORPORATION OF DITECH NETWORKS, INC.

EX-3.2 3 a11-267991ex3d2.htm EX-3.2 Exhibit 3.2 CERTIFICATE OF AMENDMENT OF RESTATED CERTIFICATE OF INCORPORATION OF DITECH NETWORKS, INC. DITECH NETWORKS, INC., a corporation organized and existing under and by virtue of the General Corporation Law of the State of Delaware, hereby certifies that: FIRST: The name of the corporation is DITECH NETWORKS, INC. SECOND: The original name of the corporat

September 21, 2011 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 16, 2011 DITECH NETWORKS, INC.

September 13, 2011 10-Q

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

Table of Contents 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 July 31, 2011 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 000

September 9, 2011 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 8, 2011 DITECH NETWORKS,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 8, 2011 DITECH NETWORKS, INC.

September 9, 2011 EX-99.1

Ditech Networks, Inc. Condensed Consolidated Balance Sheets (in thousands)

Exhibit 99.1 For Immediate Release Ditech Networks Reports Financial Results For The Three Month Periods Ending July 31, 2011 and 2010. MOUNTAIN VIEW, Calif., September 8, 2011 Ditech Networks, Inc. (NASDAQ: DITC), a leader in voice solutions for quality and transcription, reported financial results for the three month periods ending July 31, 2011 and 2010. The financial results for the quarter we

September 9, 2011 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G (RULE 13D-102) INFORMATION STATEMENT PURSUANT TO RULE 13D-1 UNDER THE SECURITIES EXCHANGE ACT OF 1934 (FINAL AMENDMENT) Ditech Networks, Inc. (Name of Issuer) Common Stock (Title

Final Amendment to Schedule 13G SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G (RULE 13D-102) INFORMATION STATEMENT PURSUANT TO RULE 13D-1 UNDER THE SECURITIES EXCHANGE ACT OF 1934 (FINAL AMENDMENT) Ditech Networks, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 25500T108 (CUSIP Number) September 1, 2011 (Date of Event Which Requires Filing of this Statem

August 12, 2011 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 a2205203zdef14a.htm DEF 14A QuickLinks - Click here to rapidly navigate through this document 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 ý Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary P

August 1, 2011 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. )

QuickLinks - Click here to rapidly navigate through this document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

July 28, 2011 EX-10.12

CASH COMPENSATION ARRANGEMENTS WITH NON EMPLOYEE DIRECTORS

EXHIBIT 10.12 CASH COMPENSATION ARRANGEMENTS WITH NON EMPLOYEE DIRECTORS Annual Retainer*: Board Members $ 25,000 Chairman of the Board (additional) $ 15,000 Audit Committee Chairperson (additional) $ 7,500 Compensation Committee Chairperson (additional) $ 5,000 Corporate Governance and Nominating Committee Chairperson (additional) $ 5,000 * Paid quarterly in arrears. Meeting Fees: Board of Direct

July 28, 2011 EX-21.1

Subsidiaries of Ditech Networks, Inc.

Exhibit 21.1 Subsidiaries of Ditech Networks, Inc. Entity Name Jurisdiction Ditech Communications Europe Limited United Kingdom Ditech Communications Canada, Inc. Canada Ditech India Private Limited India Ditech Communications International, Inc. USA Jasomi Networks, Inc. USA Grid Communications Systems Inc. USA

July 28, 2011 EX-10.11

2011 CASH COMPENSATION ARRANGEMENTS WITH EXECUTIVE OFFICERS

EXHIBIT 10.11 2011 CASH COMPENSATION ARRANGEMENTS WITH EXECUTIVE OFFICERS Salaries The salaries for Ditech Networks’ executive officers are as follows: Executive Officer Title Annual Salary Kenneth Naumann Chief Executive Officer and President $ 240,000 William Tamblyn Executive Vice President, Chief Financial Officer and Chief Operating Officer $ 266,400 Karl Brown Vice President of Marketing $ 2

July 28, 2011 10-K

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

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (MARK ONE) ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended April 30, 2011 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: 000-26209

July 13, 2011 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 000-26209 Ditech Networks, Inc. (Exact name of registrant as specified in it

June 7, 2011 EX-99.1

Ditech Networks, Inc. Condensed Consolidated Balance Sheets (in thousands)

Exhibit 99.1 For Immediate Release Ditech Networks Reports Financial Results For The Three and Twelve Month Periods Ending April 30, 2011 Mountain View, California, June 7, 2011 - Ditech Networks, Inc. (NASDAQ: DITC), a leader in voice solutions for quality and transcription, reported financial results for the three and twelve month periods ending April 30, 2011. The financial results for the quar

June 7, 2011 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 7, 2011 DITECH NETWORKS, INC.

May 31, 2011 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 26, 2011 DITECH NETWORKS, INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 26, 2011 DITECH NETWORKS, INC.

March 11, 2011 10-Q

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

Table of Contents 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 January 31, 2011 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

March 11, 2011 EX-10.1

FIRST AMENDMENT TO THE DITECH NETWORKS, INC. AMENDED AND RESTATED SEVERANCE BENEFIT PLAN

Exhibit 10.1 FIRST AMENDMENT TO THE DITECH NETWORKS, INC. AMENDED AND RESTATED SEVERANCE BENEFIT PLAN This First Amendment (the “Amendment”) to the Ditech Networks, Inc. Amended and Restated Severance Benefit Plan (the “Plan”) was adopted by the Ditech Networks, Inc. (the “Company”) on December 17 , 2010 (the “Amendment Date”) and is hereby consented to by the Participants in the Plan as of the Am

March 11, 2011 EX-10.2

DITECH NETWORKS, INC. AMENDED AND RESTATED SEVERANCE BENEFIT PLAN

Exhibit 10.2 DITECH NETWORKS, INC. AMENDED AND RESTATED SEVERANCE BENEFIT PLAN SECTION 1. INTRODUCTION. The Ditech Networks, Inc. Amended and Restated Severance Benefit Plan (the ?Plan?) is hereby established effective March 10, 2011 (the ?Effective Date?), which Plan amends and restates the Ditech Networks, Inc. Amended and Restated Change in Control Severance Benefit Plan adopted May 17, 2010 an

March 11, 2011 EX-10.3

November 4, 2010

EXHIBIT 10.3 November 4, 2010 Mr. Ken Naumann Dear Ken: We are pleased to offer you employment as VP of Worldwide Sales, reporting to Todd Simpson, President & CEO. This offer is contingent upon the final approval of Ditech’s Compensation Committee, as you will be an executive officer of Ditech Networks, Inc.(“Ditech”) This letter describes the terms and conditions of your position with Ditech bel

March 8, 2011 EX-99.1

Ditech Networks, Inc. Condensed Consolidated Balance Sheets (in thousands)

Exhibit 99.1 For Immediate Release Ditech Networks Reports Financial Results For The Three and Nine Month Periods Ending January 31, 2011 Mountain View, California, March 8, 2011 - Ditech Networks, Inc. (NASDAQ: DITC), a leader in voice solutions for quality and transcription, reported financial results for the three and nine month periods ending January 31, 2011. The financial results for the qua

March 8, 2011 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 8, 2011 DITECH NETWORKS, INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 8, 2011 DITECH NETWORKS, INC.

February 14, 2011 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. __1__) Ditech Networks Corp. (Name of Issuer) Common Stock (Title of Class of Securities) (CUSIP Number) Dec

Corporate-Insiders.com: Instant online EDGAR filings easy and affordable. Converted Filed Finished UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1) Ditech Networks Corp. (Name of Issuer) Common Stock (Title of Class of Securities) 25500T108 (CUSIP Number) December 31, 2010 (Date of Event Which Requires

February 11, 2011 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 4)* DITECH NETWORKS INC (Name of Issuer) Common Stock (Title of Class of Securities) 25500T108 (CUSIP Number

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 4)* DITECH NETWORKS INC (Name of Issuer) Common Stock (Title of Class of Securities) 25500T108 (CUSIP Number) December 31, 2010 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Sch

February 11, 2011 SC 13G

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G (RULE 13D-102) INFORMATION STATEMENT PURSUANT TO RULE 13D-1 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Ditech Networks, Inc. (Name of Issuer) Common Stock (Title of Class of Securi

Schedule 13G SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G (RULE 13D-102) INFORMATION STATEMENT PURSUANT TO RULE 13D-1 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Ditech Networks, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 25500T108 (CUSIP Number) December 31, 2010 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to des

December 8, 2010 10-Q

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

Table of Contents 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 October 31, 2010 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

December 7, 2010 EX-99.1

Ditech Networks, Inc. Condensed Consolidated Balance Sheets (in thousands)

Exhibit 99.1 For Immediate Release Ditech Networks Reports Financial Results For The Three and Six Month Periods Ending October 31, 2010 Mountain View, California, December 7, 2010 - Ditech Networks, Inc. (NASDAQ: DITC), a leader in voice solutions for quality and transcription, reported financial results for the three and six month periods ending October 31, 2010. The financial results for the qu

December 7, 2010 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 7, 2010 DITECH NETWORKS, INC.

November 19, 2010 S-8

AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON NOVEMBER 19, 2010.

AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON NOVEMBER 19, 2010. REGISTRATION NO. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 DITECH NETWORKS, INC. (Exact name of registrant as specified in its charter) Delaware 94-2935531 (State or other jurisdiction of (I.R.S. Employer Identification incor

September 22, 2010 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 16, 2010 DITECH NETWORKS, INC.

September 13, 2010 EX-10.1

Executive Officer Cash Compensation Arrangements

Exhibit 10.1 Executive Officer Cash Compensation Arrangements Salaries The fiscal 2011 salaries for Ditech Networks? named executive officers (the executive officers appearing in the summary compensation table in Ditech Networks? latest proxy statement) are as follows: Named Executive Officer Title Fiscal 2011 Annual Salary Todd Simpson Chief Executive Officer and President $ 325,000 William Tambl

September 13, 2010 10-Q

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

Table of Contents 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 July 31, 2010 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 000

September 7, 2010 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 7, 2010 DITECH NETWORKS, INC.

September 7, 2010 EX-99.1

Ditech Networks, Inc. Condensed Consolidated Balance Sheets (in thousands)

Exhibit 99.1 Ditech Networks Reports Financial Results For The Three Month Period Ending July 31, 2010 Mountain View, California, September 7, 2010 - Ditech Networks, Inc. (NASDAQ: DITC), a leader in voice solutions for quality and transcription, today announced its financial results for the first quarter of fiscal 2011, ended July 31, 2010. “We experienced good growth in our PhoneTag product offe

August 18, 2010 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. )

QuickLinks - Click here to rapidly navigate through this document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

July 14, 2010 EX-10.16

Amendment No. 1 to the Reseller Agreement

Exhibit 10.16 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. Amendment No. 1 to the Reseller Agreement This Amendment No. 1 to the Reseller Agreement (the “Amendment”), is executed on the date when signe

July 14, 2010 10-K

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

10-K 1 a2199349z10-k.htm 10-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (MARK ONE) ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended April 30, 2010 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period From To COM

July 14, 2010 EX-3.2

BYLAWS DITECH NETWORKS, INC. (A DELAWARE CORPORATION) (As Amended and Restated on July 13, 2010) TABLE OF CONTENTS

Exhibit 3.2 BYLAWS OF DITECH NETWORKS, INC. (A DELAWARE CORPORATION) (As Amended and Restated on July 13, 2010) TABLE OF CONTENTS PAGE ARTICLE I OFFICES 1 Section 1. Registered Office 1 Section 2. Other Offices 1 ARTICLE II CORPORATE SEAL 1 Section 3. Corporate Seal 1 ARTICLE III STOCKHOLDERS’ MEETINGS 1 Section 4. Place Of Meetings 1 Section 5. Annual Meetings 1 Section 6. Special Meetings 4 Sect

July 14, 2010 EX-10.5

CONFIDENTIAL SEVERANCE AND RELEASE AGREEMENT

Exhibit 10.5 CONFIDENTIAL SEVERANCE AND RELEASE AGREEMENT This Confidential Severance and Release Agreement (“Agreement”) is entered into by and between Lowell Trangsrud (“Employee” or “Trangsrud”) and Ditech Networks, Inc., as well as any of its past or present parent, subsidiary, related, affiliated, predecessor, and/or successor corporations and entities, insurers, officers, directors, sharehol

July 14, 2010 EX-10.28

DITECH NETWORKS, INC. AMENDED AND RESTATED SEVERANCE BENEFIT PLAN

Exhibit 10.28 DITECH NETWORKS, INC. AMENDED AND RESTATED SEVERANCE BENEFIT PLAN SECTION 1. INTRODUCTION. The Ditech Networks, Inc. Amended and Restated Severance Benefit Plan (the “Plan”) is hereby established effective May 27, 2010 (the “Effective Date”), which Plan amends and restates the Ditech Networks, Inc. Amended and Restated Change in Control Severance Benefit Plan adopted December 12, 200

July 14, 2010 EX-10.3

DITECH NETWORKS, INC. 1999 EMPLOYEE STOCK PURCHASE PLAN Approved by the Board of Directors March 5, 1999 Approved by Stockholders April 21, 1999 Amended by the Board of Directors July 25, 2000 Amendment Approved by Stockholders September 22, 2000 Ame

Exhibit 10.3 DITECH NETWORKS, INC. 1999 EMPLOYEE STOCK PURCHASE PLAN Approved by the Board of Directors March 5, 1999 Approved by Stockholders April 21, 1999 Amended by the Board of Directors July 25, 2000 Amendment Approved by Stockholders September 22, 2000 Amended by the Board of Directors July 12, 2001 Amendment Approved by Stockholders September 21, 2001 Amended by the Board of Directors Nove

July 14, 2010 EX-21.1

Subsidiaries of Ditech Networks, Inc.

QuickLinks - Click here to rapidly navigate through this document Exhibit 21.1 Subsidiaries of Ditech Networks, Inc. Entity Name Jurisdiction Ditech Communications Europe Limited United Kingdom Ditech Communications Canada, Inc. Canada Ditech India Private Limited India Ditech Communications International, Inc. USA Jasomi Networks, Inc. USA Grid Communications Systems Inc. USA QuickLinks Exhibit 2

July 14, 2010 EX-10.12

CASH COMPENSATION ARRANGEMENTS WITH NON EMPLOYEE DIRECTORS

EXHIBIT 10.12 CASH COMPENSATION ARRANGEMENTS WITH NON EMPLOYEE DIRECTORS Annual Retainer*: Board Members $ 25,000 Chairman of the Board (additional) $ 15,000 Audit Committee Chairperson (additional) $ 7,500 Compensation Committee Chairperson (additional) $ 5,000 Corporate Governance and Nominating Committee Chairperson (additional) $ 5,000 * Paid quarterly in arrears. Meeting Fees: Board of Direct

July 8, 2010 EX-3.1

BYLAWS DITECH NETWORKS, INC. (A DELAWARE CORPORATION) (As Amended and Restated on July 7, 2010)

Exhibit 3.1 BYLAWS OF DITECH NETWORKS, INC. (A DELAWARE CORPORATION) (As Amended and Restated on July 7, 2010) TABLE OF CONTENTS PAGE ARTICLE I OFFICES 1 Section 1. Registered Office 1 Section 2. Other Offices 1 ARTICLE II CORPORATE SEAL 1 Section 3. Corporate Seal 1 ARTICLE III STOCKHOLDERS’ MEETINGS 1 Section 4. Place Of Meetings 1 Section 5. Annual Meetings 1 Section 6. Special Meetings 4 Secti

July 8, 2010 EX-4.1

AMENDMENT NO. 1 TO RIGHTS AGREEMENT

Exhibit 4.1 AMENDMENT NO. 1 TO RIGHTS AGREEMENT THIS AMENDMENT NO. 1 TO RIGHTS AGREEMENT (this “Amendment”) is made as of the 7th day of July, 2010, by and between DITECH NETWORKS, INC., a Delaware corporation (formerly Ditech Communications Corporation, the “Company”), and WELLS FARGO BANK, N.A. (the “Rights Agent”). WHEREAS, the Company and the Rights Agent are parties to that certain Rights Agr

July 8, 2010 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 7, 2010 DITECH NETWORKS, INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 7, 2010 DITECH NETWORKS, INC.

July 8, 2010 8-A12G

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(B) OR (G) OF THE SECURITIES EXCHANGE ACT OF 1934 DITECH NETWORKS, INC. (Exact Name of Registrant as Specified in

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(B) OR (G) OF THE SECURITIES EXCHANGE ACT OF 1934 DITECH NETWORKS, INC.

May 27, 2010 8-K

Results of Operations and Financial Condition, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 27, 2010 DITECH NETWORKS, INC.

May 27, 2010 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, DC 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 21, 2010 DITECH NETWORKS, INC.

May 27, 2010 EX-99.1

Ditech Networks, Inc. Condensed Consolidated Balance Sheets (in thousands)

Exhibit 99.1 For Immediate Release Ditech Networks Reports Financial Results For The Three and Twelve Month Periods Ending April 30, 2010 Mountain View, California, May 27, 2010 - Ditech Networks, Inc. (NASDAQ: DITC) reported financial results for the three and twelve month periods ending April 30, 2010. Revenues for the three and twelve month periods ended April 30, 2010 were $7.3 million and $22

May 12, 2010 SC 13D/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(a) (Amendment No. 4)1 Ditech Networks

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(a) (Amendment No. 4)1 Ditech Networks, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 25500T108 (CUSIP Number) Lloyd I. Miller, III, 4550 Gordon Drive, Naples, Florida,

May 5, 2010 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2010 DITECH NETWORKS, INC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2010 DITECH NETWORKS, INC.

March 16, 2010 10-Q

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

Table of Contents 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 January 31, 2010 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

March 8, 2010 SC 13D/A

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D/A (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(a) (Amendment No. 3)1 Ditech Networks

sc13dza SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D/A (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(a) (Amendment No. 3)1 Ditech Networks, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 25500T108 (CUSIP Number) Lloyd I. Miller, III, 4550 Gordon Drive, Naples,

February 25, 2010 8-K

Results of Operations and Financial Condition, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 25, 2010 DITECH NETWORKS, INC.

February 25, 2010 EX-99.1

Ditech Networks, Inc. Condensed Consolidated Balance Sheets (in thousands)

Exhibit 99.1 For Immediate Release Ditech Networks Reports Financial Results For The Three and Nine Month Periods Ending January 31, 2010 Mountain View, California, February 25, 2010 - Ditech Networks, Inc. (NASDAQ: DITC) reported financial results for the three and nine month periods ending January 31, 2010. Revenues for the three and nine month periods ended January 31, 2010 were $4.3 million an

February 16, 2010 SC 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. ____) Ditech Networks Corp. (Name of Issuer) Common Stock (Title of Class of Securities) (CUSIP Number) Dece

Corporate-Insiders.com: Instant online EDGAR filings easy and affordable. Converted Filed Finished UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. ) Ditech Networks Corp. (Name of Issuer) Common Stock (Title of Class of Securities) 25500T108 (CUSIP Number) December 31, 2009 (Date of Event Which Requires F

February 12, 2010 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G (RULE 13D-102) INFORMATION STATEMENT PURSUANT TO RULE 13D-1 UNDER THE SECURITIES EXCHANGE ACT OF 1934 (FINAL AMENDMENT) Ditech Networks, Inc. (Name of Issuer) Common Stock (Title

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G (RULE 13D-102) INFORMATION STATEMENT PURSUANT TO RULE 13D-1 UNDER THE SECURITIES EXCHANGE ACT OF 1934 (FINAL AMENDMENT) Ditech Networks, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 25500T108 (CUSIP Number) December 31, 2009 (Date of Event Which Requires Filing of this Statement) Check the appropriate box t

February 11, 2010 EX-10.2

Features Benefits Corporate Voicemail Integration 1. Principal. The principal amount due under this Note shall be due and payable in a single installment on the earlier of (a) September 10, 2011 and (b) the effective date of a Change in Control (as d

Exhibit 10.2 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. RESELLER AGREEMENT This Reseller Agreement (this “Agreement”) is entered into as of September 10, 2009 (the “Effective Date”), by and between D

February 11, 2010 10-Q/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q/A Amendment No. 1

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 October 31, 2009 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

February 11, 2010 8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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): September 10, 2

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K/A (Amendment No.

February 8, 2010 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* DITECH NETWORKS INC (Name of Issuer) Common Stock (Title of Class of Securities) 25500T108 (CUSIP Number

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* DITECH NETWORKS INC (Name of Issuer) Common Stock (Title of Class of Securities) 25500T108 (CUSIP Number) December 31, 2009 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Sch

February 3, 2010 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 28, 2010 DITECH NETWORKS, I

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 28, 2010 DITECH NETWORKS, INC.

January 26, 2010 SC 13D/A

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D/A (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(a) (Amendment No. 2 )1 Ditech Network

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D/A (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(a) (Amendment No. 2 )1 Ditech Networks, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 25500T108 (CUSIP Number) Lloyd I. Miller, III, 4550 Gordon Drive, Naples, Florida

January 20, 2010 CORRESP

January 20, 2010

January 20, 2010 Mr. Larry Spirgel Securities and Exchange Commission Division of Corporation Finance 450 Fifth Street, N.W. Mail Stop 3710 Washington, D.C. 20549 Re: Ditech Networks, Inc. Form 10-K for Fiscal Year Ended April 30, 2009 Filed July 2, 2009 Form 10-Q for Fiscal Quarter ended October 31, 2009 File No. 0-26209 Ladies and Gentlemen: On behalf of Ditech Networks, Inc. (?Ditech? or the ?C

December 30, 2009 SC 13D/A

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D/A (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(a) (Amendment No. 1)1 Ditech Networks

sc13dza SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D/A (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(a) (Amendment No. 1)1 Ditech Networks, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 25500T108 (CUSIP Number) Lloyd I. Miller, III, 4550 Gordon Drive, Naples,

December 11, 2009 EX-10.2

Features Benefits Corporate Voicemail Integration 1. Principal. The principal amount due under this Note shall be due and payable in a single installment on the earlier of (a) September 10, 2011 and (b) the effective date of a Change in Control (as

Exhibit 10.2 [*] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24b-2 OF THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. RESELLER AGREEMENT This Reseller Agreement (this “Agreement”) is entered into as of September 10, 2009 (the “Effective Date”), by and between D

December 11, 2009 EX-10.3

DITECH NETWORKS, INC. 2006 EQUITY INCENTIVE PLAN OPTION GRANT NOTICE

EXHIBIT 10.3 DITECH NETWORKS, INC. 2006 EQUITY INCENTIVE PLAN OPTION GRANT NOTICE Ditech Networks, Inc. (the “Company”), pursuant to its 2006 Equity Incentive Plan (the “Plan”), hereby grants to Optionholder an option to purchase the number of shares of the Company’s Common Stock set forth below. This option is subject to all of the terms and conditions as set forth herein and in the Option Agreem

December 11, 2009 10-Q

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

Table of Contents 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 October 31, 2009 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

November 19, 2009 8-K

Results of Operations and Financial Condition, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 19, 2009 DITECH NETWORKS, INC.

November 19, 2009 EX-99.1

Ditech Networks, Inc. Condensed Consolidated Balance Sheets (in thousands)

Exhibit 99.1 For Immediate Release Ditech Networks Reports Financial Results For The Three and Six Month Periods Ending October 31, 2009 Mountain View, California, November 19, 2009 - Ditech Networks, Inc. (NASDAQ: DITC) reported financial results for the three and six month periods ending October 31, 2009. Revenues for the three and six month periods ended October 31, 2009 were $5.1 million and $

November 19, 2009 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, DC 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 16, 2009 DITECH NETWORKS, INC.

October 29, 2009 EX-99.1

Exhibit 99.1 Ditech Networks Announces Derivative Litigation Settlement Hearing Mountain View, California, Ditech Networks (NASDAQ: DITC), a global leader in mobile voice processing solutions, today announced that it has entered into a Stipulation an

Exhibit 99.1 Ditech Networks Announces Derivative Litigation Settlement Hearing Mountain View, California, Ditech Networks (NASDAQ: DITC), a global leader in mobile voice processing solutions, today announced that it has entered into a Stipulation and Agreement of Settlement in connection with the consolidated shareholder derivative action pending in the United States District Court, Northern Dist

October 29, 2009 EX-99.2

UNITED STATES DISTRICT COURT NORTHERN DISTRICT OF CALIFORNIA SAN JOSE DIVISION

Exhibit 99.2 COUGHLIN STOIA GELLER RUDMAN & ROBBINS LLP SHAWN A. WILLIAMS (213113) JOHN K. GRANT (169813) CHRISTOPHER M. WOOD (254908) 100 Pine Street, Suite 2600 San Francisco, CA 94111 Telephone: 415/288-4545 415/288-4534 (fax) [email protected] [email protected] [email protected] BARROWAY TOPAZ KESSLER — and — MELTZER & CHECK, LLP TRAVIS E. DOWNS III (148274) ERIC L. ZAGAR JEFFREY D. LIGHT (159515)

October 29, 2009 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: October 28, 2009 (Date of Earliest Event Reported) DITECH NETWORKS, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 000-26209 94-2935531 (State or Other Jurisdiction of Incorporation) (Commission

October 29, 2009 EX-99.3

UNITED STATES DISTRICT COURT NORTHERN DISTRICT OF CALIFORNIA SAN JOSE DIVISION

Exhibit 99.3 COUGHLIN STOIA GELLER RUDMAN & ROBBINS LLP SHAWN A. WILLIAMS (213113) JOHN K. GRANT (169813) CHRISTOPHER M. WOOD (254908) 100 Pine Street, Suite 2600 San Francisco, CA 94111 Telephone: 415/288-4545 415/288-4534 (fax) [email protected] [email protected] [email protected] BARROWAY TOPAZ KESSLER – and – MELTZER & CHECK, LLP TRAVIS E. DOWNS III (148274) ERIC L. ZAGAR JEFFREY D. LIGHT (159515)

September 22, 2009 SC 13D/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2(a) (Amendment No. 4)1 D

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO ? 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO ? 240.13d-2(a) (Amendment No. 4)1 Ditech Networks, Inc. (Name of Issuer) Common Stock, par value $0.001 per share (Title of Class of Securities) 25500T108 (CUSIP Number) Lamassu Holding

September 22, 2009 EX-99.1

DITECH NETWORKS, INC. 825 E. MIDDLEFIELD ROAD MOUNTAIN VIEW, CA. 94043

Exhibit 99.1 DITECH NETWORKS, INC. 825 E. MIDDLEFIELD ROAD MOUNTAIN VIEW, CA. 94043 September 2, 2009 Lamassu Holdings, LLC 21 Whitesands Drive Newport Coast, CA 92657 Attn: Timothy Leehealey Samuel Healey 21 Whitesands Drive Newport Coast, CA 92657 Frank J. Sansone 2933 Arboridge Court Fullerton, CA 92835 The following sets forth the agreement (the ?Agreement?) between Lamassu Holdings L.L.C. and

September 22, 2009 EX-99.2

JOINT FILING AGREEMENT

Exhibit 99.2 JOINT FILING AGREEMENT In accordance with Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of Amendment No. 4 to the Schedule 13D originally filed on December 1, 2008 (including amendments thereto) with respect to the Common Stock of Ditech Networks, Inc. This Joint Filing Agreement

September 16, 2009 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 10, 2009 DITECH NETWORKS,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 10, 2009 DITECH NETWORKS, INC.

September 11, 2009 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 ý Filed by a Party other than the Registran

QuickLinks - Click here to rapidly navigate through this document UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

September 3, 2009 EX-10.1

Ditech Networks and Lamassu Holdings LLC Settle Proxy Contest

Exhibit 10.1 DITECH NETWORKS, INC. 825 E. MIDDLEFIELD ROAD MOUNTAIN VIEW, CA. 94043 September 2, 2009 Lamassu Holdings, LLC 21 Whitesands Drive Newport Coast, CA 92657 Attn: Timothy Leehealey Samuel Healey 21 Whitesands Drive Newport Coast, CA 92657 Frank J. Sansone 2933 Arboridge Court Fullerton, CA 92835 The following sets forth the agreement (the “Agreement”) between Lamassu Holdings L.L.C. and

September 3, 2009 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 2, 2009 DITECH NETWORKS, INC.

September 2, 2009 10-Q

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

Table of Contents 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 July 31, 2009 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 000

August 28, 2009 10-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K/A Amendment No. 1 (MARK ONE) ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended April 30, 2009 OR o TRANSI

10-K/A 1 a2194401z10-ka.htm 10-K/A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K/A Amendment No. 1 (MARK ONE) ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended April 30, 2009 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transi

August 20, 2009 EX-99.1

Ditech Networks Reports Fiscal 2010 First Quarter Financial Results 34% Year over Year Revenue Growth

Exhibit 99.1 Ditech Networks Reports Fiscal 2010 First Quarter Financial Results 34% Year over Year Revenue Growth Mountain View, California, Thursday, Aug. 20, 2009 - Ditech Networks (Nasdaq: DITC) today reported financial results for its fiscal 2010 first quarter. “I am pleased to announced that we exceeded our revenue guidance for the last quarter. We continued to carefully manage our expenses,

August 20, 2009 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 20, 2009 DITECH NETWORKS, IN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 20, 2009 DITECH NETWORKS, INC.

July 30, 2009 DFAN14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Ame

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant o Filed by a Party other than the Registrant x Check the appropriate box: o Preliminary Proxy Statement ? Confide

July 17, 2009 DFAN14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Ame

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant o Filed by a Party other than the Registrant x Check the appropriate box: o Preliminary Proxy Statement ? Confide

July 2, 2009 10-K

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

Table of Contents 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 April 30, 2009 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: 000-26209

July 2, 2009 EX-21.1

Subsidiaries of Ditech Networks, Inc. Entity Name Jurisdiction Ditech Communications Europe Limited United Kingdom Ditech Communications Canada, Inc. Canada Ditech India Private Limited India Ditech Communications International, Inc. USA Jasomi Netwo

QuickLinks - Click here to rapidly navigate through this document Exhibit 21.1 Subsidiaries of Ditech Networks, Inc. Entity Name Jurisdiction Ditech Communications Europe Limited United Kingdom Ditech Communications Canada, Inc. Canada Ditech India Private Limited India Ditech Communications International, Inc. USA Jasomi Networks, Inc. USA QuickLinks Exhibit 21.1 Subsidiaries of Ditech Networks,

June 22, 2009 SC 13D

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(a) Ditech Networks, Inc. (Name of Issue

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(a) Ditech Networks, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 25500T08 (CUSIP Number) Lloyd I. Miller, III, 4550 Gordon Drive, Naples, Florida, 34102 (Tel.) (239) 26

May 22, 2009 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 18, 2009 DITECH NETWORKS, INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 18, 2009 DITECH NETWORKS, INC.

May 22, 2009 DFAN14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Ame

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant o Filed by a Party other than the Registrant x Check the appropriate box: o Preliminary Proxy Statement ? Confide

May 21, 2009 SC 13D/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2(a) (Amendment No. 3)1 D

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO ? 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO ? 240.13d-2(a) (Amendment No. 3)1 Ditech Networks, Inc. (Name of Issuer) Common Stock, par value $0.001 per share (Title of Class of Securities) 25500T108 (CUSIP Number) Lamassu Holding

May 21, 2009 EX-99.1

Ditech Networks Reports Fiscal 2009 Fourth Quarter and Full Year Financial Results

Exhibit 99.1 For Immediate Release Ditech Networks Reports Fiscal 2009 Fourth Quarter and Full Year Financial Results Mountain View, California, May 21, 2009 - Ditech Networks, Inc. (NASDAQ: DITC) reported results for its fiscal 2009 fourth quarter and fiscal year ended April 30, 2009. “I am pleased to announce that our revenue and operating expenses were in line with our projections for the last

May 21, 2009 EX-99.2

LAMASSU HOLDINGS L.L.C. 21 Whitesands Road Newport Coast, California 92657

Exhibit 99.2 LAMASSU HOLDINGS L.L.C. 21 Whitesands Road Newport Coast, California 92657 May , 2009 Re: Ditech Networks, Inc. Dear: Thank you for agreeing to serve as a nominee for election to the Board of Directors of Ditech Networks, Inc. (the ?Company?) in connection with the proxy solicitation that Lamassu Holdings L.L.C. and its affiliates (collectively, the ?Group?) is considering undertaking

May 21, 2009 EX-99.1

JOINT FILING AND SOLICITATION AGREEMENT

Exhibit 99.1 JOINT FILING AND SOLICITATION AGREEMENT WHEREAS, certain of the undersigned are stockholders, direct or beneficial, of Ditech Networks, Inc., a Delaware corporation (the ?Company?); WHEREAS, Lamassu Holdings L.L.C. (?Lamassu?), Tim Leehealey, Sam Healey and Frank J. Sansone wish to form a group for the purpose of seeking representation on the Board of Directors of the Company at the 2

May 21, 2009 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 21, 2009 DITECH NETWORKS, INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 21, 2009 DITECH NETWORKS, INC.

March 11, 2009 10-Q

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

Table of Contents 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 January 31, 2009 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

March 11, 2009 EX-10.2

DITECH NETWORKS, INC. AMENDED AND RESTATED CHANGE IN CONTROL SEVERANCE BENEFIT PLAN

Exhibit 10.2 DITECH NETWORKS, INC. AMENDED AND RESTATED CHANGE IN CONTROL SEVERANCE BENEFIT PLAN SECTION 1. INTRODUCTION. The Ditech Networks, Inc. Amended and Restated Change in Control Severance Benefit Plan (the “Plan”) is hereby established effective December 12, 2008 (the “Effective Date”), which Plan amends and restates the Ditech Networks, Inc. Change in Control Severance Benefit Plan adopt

March 11, 2009 EX-10.1

AMENDMENT TO LETTER AGREEMENT

Exhibit 10.1 AMENDMENT TO LETTER AGREEMENT This Amendment to Letter Agreement (the “Amendment”) is made and entered into as of December 15, 2008 (the “Effective Date”), by and between Ditech Networks, Inc., a Delaware corporation (the “Company”) and Todd Simpson (“Executive”). RECITALS A. The Company retains the services of Executive pursuant to that certain letter agreement dated September 24, 20

February 24, 2009 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 24, 2009 DITECH NETWORKS, INC.

February 19, 2009 EX-99.1

Ditech Networks Reports Q3 FY09 Financial Results

Exhibit 99.1 For Immediate Release Ditech Networks Reports Q3 FY09 Financial Results Mountain View, California, February 19, 2009 - Ditech Networks, Inc. (NASDAQ: DITC) reported results for its fiscal 2009 third quarter ended January 31, 2009. Revenues for the third quarter were $4.9 million, a decrease of $1.8 million, or 27%, from revenues of $6.7 million in the same quarter of the prior fiscal

February 19, 2009 8-K

Results of Operations and Financial Condition, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 19, 2009 DITECH NETWORKS, INC.

February 12, 2009 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G (RULE 13D-102) INFORMATION STATEMENT PURSUANT TO RULE 13D-1 UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. 1) Ditech Networks, Inc. (Name of Issuer) Common Stock (Title

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G (RULE 13D-102) INFORMATION STATEMENT PURSUANT TO RULE 13D-1 UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. 1) Ditech Networks, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 25500T108 (CUSIP Number) December 31, 2008 (Date of Event Which Requires Filing of this Statement) Check the appropriate box t

February 12, 2009 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b) (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (Amendment No. 2)* Dite

SC 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b) (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (Amendment No. 2)* Ditech Networks, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 25500T108 (CUSIP Number) December 31, 2008 (Date of Event whic

February 9, 2009 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* DITECH NETWORKS INC (Name of Issuer) Common Stock (Title of Class of Securities) 25500T108 (CUSIP Number

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* DITECH NETWORKS INC (Name of Issuer) Common Stock (Title of Class of Securities) 25500T108 (CUSIP Number) December 31, 2008 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Sch

January 29, 2009 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 28, 2009 DITECH NETWORKS, INC.

December 8, 2008 10-Q

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

Table of Contents 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 October 31, 2008 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

November 20, 2008 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 20, 2008 DITECH NETWORKS,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 20, 2008 DITECH NETWORKS, INC.

November 20, 2008 EX-99.1

Ditech Networks Reports Q2 FY09 Financial Results

Exhibit 99.1 For Immediate Release Ditech Networks Reports Q2 FY09 Financial Results Mountain View, California, November 20, 2008 - Ditech Networks, Inc. (Nasdaq: DITC) reported results for its fiscal 2009 second quarter ended October 31, 2008. Revenues for the second quarter were $4.1 million, a decrease of $2.5 million, or 38%, from revenues of $6.6 million in the same quarter of the prior fisca

September 8, 2008 10-Q

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

Table of Contents 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 July 31, 2008 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 000

August 21, 2008 EX-99.1

Ditech Networks Reports Fiscal 2009 First Quarter Financial Results

Exhibit 99.1 Ditech Networks Reports Fiscal 2009 First Quarter Financial Results Mountain View, California, Thursday, Aug. 21, 2008 - Ditech Networks (Nasdaq: DITC), a leading provider of voice quality solutions to the world?s communications industry, today reported financial results for its fiscal 2009 first quarter. Revenue for the first quarter was $4.5 million, a decrease of $9.5 million, or 6

August 21, 2008 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 21, 2008 DITECH NETWORKS, IN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 21, 2008 DITECH NETWORKS, INC.

August 8, 2008 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 ý Filed by a Party other than the Registran

DEF 14A 1 a2187196zdef14a.htm DEF 14A QuickLinks - Click here to rapidly navigate through this document 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 ý Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary P

August 7, 2008 EX-99.1

Ditech Networks Provides Preliminary Results for the First Quarter of Fiscal Year 2009

Exhibit 99.1 Ditech Networks Provides Preliminary Results for the First Quarter of Fiscal Year 2009 Mountain View, California, Tuesday, Aug. 6, 2008 - Ditech Networks (Nasdaq: DITC), a leading provider of voice quality solutions to the world’s communications industry, today announced that based on preliminary estimates, which are subject to change, revenue for the first quarter of fiscal year 2009

August 7, 2008 8-K

Results of Operations and Financial Condition, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 6, 2008 DITECH NETWORKS, INC.

July 31, 2008 8-K

Changes in Registrant's Certifying Accountant, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 30, 2008 DITECH NETWORKS, INC.

July 31, 2008 EX-16.1

Private and Confidential

Exhibit 16.1 Private and Confidential July 31, 2008 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We have read the statements made by Ditech Networks, Inc. (copy attached), which we understand will be filed with the Securities and Exchange Commission, pursuant to Item 4.01 of Form 8-K, as part of the Form 8-K of Ditech Networks, Inc. dated July 31, 2008.

July 10, 2008 EX-10.34

SEVERANCE AND RELEASE AGREEMENT

Exhibit 10.34 SEVERANCE AND RELEASE AGREEMENT This Severance and Release Agreement (“Agreement”) is entered into by and between Gary Testa (“Employee” or “Testa”) and Ditech Networks, Inc., as well as any of its past or present parent, subsidiary, related, affiliated, predecessor, and/or successor corporations and entities, insurers, officers, directors, shareholders, representatives, agents, and

July 10, 2008 EX-21.1

Subsidiaries of Ditech Networks, Inc.

QuickLinks - Click here to rapidly navigate through this document Exhibit 21.1 Subsidiaries of Ditech Networks, Inc. Entity Name Jurisdiction Ditech Communications Europe Limited United Kingdom Ditech Communications Canada, Inc. Canada Ditech India Private Limited India Ditech Communications International, Inc. USA Jasomi Networks, Inc. USA QuickLinks Exhibit 21.1 Subsidiaries of Ditech Networks,

July 10, 2008 EX-10.14

CASH COMPENSATION ARRANGEMENTS WITH NON_EMPLOYEE DIRECTORS

EXHIBIT 10.14 CASH COMPENSATION ARRANGEMENTS WITH NONEMPLOYEE DIRECTORS Annual Retainer*: Board Members $ 25,000 Chairman of the Board (additional) $ 15,000 Audit Committee Chairperson (additional) $ 7,500 Compensation Committee Chairperson (additional) $ 5,000 Corporate Governance and Nominating Committee Chairperson (additional) $ 5,000 * Paid quarterly in arrears. Meeting Fees: Board of Directo

July 10, 2008 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

QuickLinks - Click here to rapidly navigate through this document UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

July 10, 2008 EX-10.13

CASH COMPENSATION ARRANGEMENTS WITH EXECUTIVE OFFICERS

EXHIBIT 10.13 CASH COMPENSATION ARRANGEMENTS WITH EXECUTIVE OFFICERS Fiscal 2008 Bonuses The following are the fiscal 2008 cash bonuses paid to the following executive officers: Executive Officer Title Bonus Todd Simpson Chief Executive Officer and President $ 47,188 William Tamblyn Executive Vice President and Chief Financial Officer $ 46,354 Lowell Trangsrud Executive Vice President and Chief Op

June 10, 2008 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, DC 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 4, 2008 DITECH NETWORKS, INC.

May 22, 2008 EX-99.1

Ditech Networks Reports Fiscal 2008 Fourth Quarter and Full Year Financial Results

Exhibit 99.1 For Immediate Release Ditech Networks Reports Fiscal 2008 Fourth Quarter and Full Year Financial Results Mountain View, California, May 22, 2008 - Ditech Networks, Inc. (Nasdaq: DITC) reported results for its fiscal 2008 fourth quarter and fiscal year ended April 30, 2008. Revenue for the fourth quarter was $7.7 million, a decrease of $11.5 million, or 60%, from revenue of $19.2 milli

May 22, 2008 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 22, 2008 DITECH NETWORKS, INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 22, 2008 DITECH NETWORKS, INC.

May 15, 2008 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, DC 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, 2008 DITECH NETWORKS, INC.

May 2, 2008 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, DC 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, 2008 DITECH NETWORKS, INC.

March 11, 2008 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 January 31, 2008 o TRANSITION 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 January 31, 2008 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 000-26209 Ditech N

February 21, 2008 EX-99.1

Ditech Networks Reports Q3 FY08 Financial Results

Exhibit 99.1 Ditech Networks Reports Q3 FY08 Financial Results Mountain View, California, February 21, 2008 - Ditech Networks, Inc. (Nasdaq: DITC) reported results for its fiscal 2008 third quarter ended January 31, 2008. Revenue for the third quarter was $6.7 million, a decrease of $15.4 million, or 70%, from revenue of $22.1 million in the same quarter of the prior fiscal year and a slight incre

February 21, 2008 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2008 DITECH NETWORKS,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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, 2008 DITECH NETWORKS, INC.

February 11, 2008 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b) (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (Amendment No. 1)* Dite

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b) (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (Amendment No. 1)* Ditech Networks, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 25500T108 (CUSIP Number) December 31, 2007 (Date of Event which Require

February 8, 2008 SC 13G

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G (RULE 13D-102) INFORMATION STATEMENT PURSUANT TO RULE 13D-1 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Ditech Networks, Inc. (Name of Issuer) Common Stock (Title of Class of Securi

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G (RULE 13D-102) INFORMATION STATEMENT PURSUANT TO RULE 13D-1 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Ditech Networks, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 25500T108 (CUSIP Number) December 31, 2007 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the ru

February 8, 2008 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, DC 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 4, 2008 DITECH NETWORKS, INC.

February 6, 2008 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* DITECH NETWORKS INC (Name of Issuer) Common Stock (Title of Class of Securities) 25500T108 (CUSIP Number

SC 13G/A 1 rrd182.htm SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* DITECH NETWORKS INC (Name of Issuer) Common Stock (Title of Class of Securities) 25500T108 (CUSIP Number) December 31, 2007 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate

December 7, 2007 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 October 31, 2007 OR o TRANSITION REP

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 October 31, 2007 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 000-26209 Ditech N

November 15, 2007 EX-99.1

Ditech Networks Reports Q2 FY08 Financial Results

Exhibit 99.1 For Immediate Release Ditech Networks Reports Q2 FY08 Financial Results Mountain View, California, November 15, 2007 - Ditech Networks, Inc. (Nasdaq: DITC) reported results for its fiscal 2008 second quarter ended October 31, 2007. Revenues for the second quarter were $6.6 million, a decrease of $14.5 million, or 69%, from revenues of $21.1 million in the same quarter of the prior fis

November 15, 2007 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 15, 2007 DITECH NETWORKS,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 15, 2007 DITECH NETWORKS, INC.

November 1, 2007 8-K

Results of Operations and Financial Condition, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 1, 2007 DITECH NETWORKS, INC.

November 1, 2007 EX-99.1

COMPANY TO HOST INVESTOR CONFERENCE CALL AT 5:00 PM EASTERN TIME

Exhibit 99.1 For Immediate Release Ditech Networks Reports Preliminary Q2 FY08 Financial Results COMPANY TO HOST INVESTOR CONFERENCE CALL AT 5:00 PM EASTERN TIME Mountain View, California, November 1, 2007 - Ditech Networks, Inc. (NASDAQ: DITC) reported today that based on preliminary results, it expects revenue for its second quarter of fiscal 2008, ended October 31, 2007, to be approximately $6.

October 4, 2007 EX-99.(A)(5)(C)

Ditech Networks Announces Final Results of Dutch Auction Self-Tender Offer for Shares of Its Common Stock

QuickLinks - Click here to rapidly navigate through this document Exhibit (a)(5)(C) Ditech Networks Announces Final Results of Dutch Auction Self-Tender Offer for Shares of Its Common Stock Mountain View, California, October 4, 2007?Ditech Networks, Inc.

October 4, 2007 SC TO-I/A

As filed with the Securities and Exchange Commission on October 4, 2007 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 3 to SCHEDULE TO (Rule 13e-4) Tender Offer Statement Under Section 14(d)(1) or 13(e)(1) of t

QuickLinks - Click here to rapidly navigate through this document As filed with the Securities and Exchange Commission on October 4, 2007 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

October 3, 2007 SC 13D/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-2-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(a) (Amendment No. 3)1 Ditech Networks

SC 13D/A 1 ditechsc13da3.htm AMEND NO. 3 TO SC 13D SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-2-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(a) (Amendment No. 3)1 Ditech Networks, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 25500T108 (CUSIP Number) Riley

October 1, 2007 SC TO-I/A

As filed with the Securities and Exchange Commission on October 1, 2007 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 2 to SCHEDULE TO (Rule 13e-4) Tender Offer Statement Under Section 14(d)(1) or 13(e)(1) of t

QuickLinks - Click here to rapidly navigate through this document As filed with the Securities and Exchange Commission on October 1, 2007 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

October 1, 2007 EX-99.(A)(5)(B)

Ditech Networks Announces Preliminary Results of Dutch Auction Self-Tender Offer for Shares of Its Common Stock

QuickLinks - Click here to rapidly navigate through this document Exhibit (a)(5)(B) Ditech Networks Announces Preliminary Results of Dutch Auction Self-Tender Offer for Shares of Its Common Stock Mountain View, California, October 1, 2007—Ditech Networks, Inc.

September 25, 2007 SC TO-I/A

As filed with the Securities and Exchange Commission on September 25, 2007 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 1 to SCHEDULE TO (Rule 13e-4) Tender Offer Statement Under Section 14(d)(1) or 13(e)(1) o

QuickLinks - Click here to rapidly navigate through this document As filed with the Securities and Exchange Commission on September 25, 2007 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

September 25, 2007 EX-99.(A)(5)(A)

Ditech Networks Appoints Todd Simpson As CEO Former CEO of Jasomi Networks named to lead Ditech

QuickLinks - Click here to rapidly navigate through this document Exhibit (a)(5)(A) Ditech Networks Appoints Todd Simpson As CEO Former CEO of Jasomi Networks named to lead Ditech Mountain View, California, Sept.

September 25, 2007 EX-10.1

September 24, 2007

Exhibit 10.1 September 24, 2007 Mr. Todd Simpson c/o Ditech Networks, Inc. Re: Employment Terms Dear Todd: This letter sets forth the terms and conditions of your position with Ditech Networks, Inc. (the “Company”) as its President and Chief Executive Officer. Title/Duties As President and CEO, you shall perform such duties as are required by the Company’s Board of Directors (the “Board”), to whom

September 25, 2007 DEFR14A

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. 1)

DEFR14A 1 a07-244591defr14a.htm DEFR14A 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. 1) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (

September 25, 2007 EX-10.2

DITECH NETWORKS, INC. AMENDED AND RESTATED CHANGE IN CONTROL SEVERANCE BENEFIT PLAN

Exhibit 10.2 DITECH NETWORKS, INC. AMENDED AND RESTATED CHANGE IN CONTROL SEVERANCE BENEFIT PLAN SECTION 1. INTRODUCTION. The Ditech Networks, Inc. Amended and Restated Change in Control Severance Benefit Plan (the “Plan”) is hereby established effective September 24, 2007 (the “Effective Date”), which Plan amends and restates the Ditech Networks, Inc. Change in Control Severance Benefit Plan adop

September 25, 2007 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 24, 2007 DITECH NETWORKS, INC.

September 11, 2007 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 Registran

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 o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Defin

September 10, 2007 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 July 31, 2007 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 000-26209 Ditech Netw

September 7, 2007 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 31, 2007 DITECH NETWORKS, INC.

September 7, 2007 EX-10.1

2 DITECH NETWORKS, INC. EMPLOYEE PROPRIETARY INFORMATION AND INVENTIONS AGREEMENT

Exhibit 10.1 August 16, 2007 Mr. Edwin L. Harper c/o Ditech Networks, Inc. Re: Employment Terms Dear Ed: This letter sets forth the terms and conditions of your position with Ditech Networks, Inc. (the ?Company?) as its Interim Chief Executive Officer. As Interim CEO, you shall perform such duties as required by the Company?s Board of Directors (the ?Board?), to whom you shall report. This positio

August 30, 2007 EX-99.(A)(1)(D)

Offer to Purchase for Cash by DITECH NETWORKS, INC. Up to 9,100,000 Shares of its Common Stock (including the associated Preferred Share Purchase Rights issued under the Rights Agreement) at a Purchase Price not Greater Than $5.50 nor Less than $4.90

Exhibit (a)(1)(D) Offer to Purchase for Cash by DITECH NETWORKS, INC. Up to 9,100,000 Shares of its Common Stock (including the associated Preferred Share Purchase Rights issued under the Rights Agreement) at a Purchase Price not Greater Than $5.50 nor Less than $4.90 per Share THE OFFER, PRORATION PERIOD AND WITHDRAWAL RIGHTS EXPIRE AT 5:00 P.M., NEW YORK CITY TIME, ON SEPTEMBER 28, 2007, UNLESS

August 30, 2007 EX-99.(A)(1)(A)

Offer to Purchase for Cash by DITECH NETWORKS, INC. Up to 9,100,00 Shares of its Common Stock (including the associated Preferred Share Purchase Rights issued under the Rights Agreement) at a Purchase Price not Greater Than $5.50 nor Less than $4.90

QuickLinks - Click here to rapidly navigate through this document Exhibit (a)(1)(A) Offer to Purchase for Cash by DITECH NETWORKS, INC.

August 30, 2007 SC TO-I

As filed with the Securities and Exchange Commission on August 30, 2007 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (Rule 13e-4) Tender Offer Statement Under Section 14(d)(1) or 13(e)(1) of the Securities Excha

QuickLinks - Click here to rapidly navigate through this document As filed with the Securities and Exchange Commission on August 30, 2007 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

August 30, 2007 EX-99.(A)(1)(B)

LETTER OF TRANSMITTAL To Tender Shares of Common Stock (Including the Associated Preferred Share Purchase Rights) of DITECH NETWORKS, INC. Pursuant to its Offer To Purchase Dated CUSIP No. 25500T108

QuickLinks - Click here to rapidly navigate through this document Exhibit (a)(1)(B) LETTER OF TRANSMITTAL To Tender Shares of Common Stock (Including the Associated Preferred Share Purchase Rights) of DITECH NETWORKS, INC.

August 30, 2007 EX-99.(A)(1)(F)

Ditech Networks, Inc. OFFER TO PURCHASE FOR CASH UP TO 9,100,000 SHARES OF ITS COMMON STOCK (INCLUDING THE ASSOCIATED PREFERRED SHARE PURCHASE RIGHTS ISSUED UNDER THE RIGHTS AGREEMENT), AT A PURCHASE PRICE NOT GREATER THAN $5.50 OR LESS THAN $4.90 PE

Exhibit (a)(1)(F) This announcement is neither an offer to purchase nor a solicitation of an offer to sell Shares (as defined below).

August 30, 2007 EX-99.(A)(1)(E)

Offer to Purchase for Cash by DITECH NETWORKS, INC. Up to 9,100,000 Shares of its Common Stock (including the associated Preferred Share Purchase Rights issued under the Rights Agreement) at a Purchase Price not Greater Than $5.50 nor Less than $4.90

QuickLinks - Click here to rapidly navigate through this document Exhibit (a)(1)(E) Offer to Purchase for Cash by DITECH NETWORKS, INC.

August 30, 2007 EX-99.(A)(1)(C)

Notice of Guaranteed Delivery (Not to be used for Signature Guarantee) for Tender of Shares of Common Stock (including the associated Preferred Share Purchase Rights issued under the Rights Agreement) of DITECH NETWORKS, INC.

QuickLinks - Click here to rapidly navigate through this document Exhibit (a)(1)(C) Notice of Guaranteed Delivery (Not to be used for Signature Guarantee) for Tender of Shares of Common Stock (including the associated Preferred Share Purchase Rights issued under the Rights Agreement) of DITECH NETWORKS, INC.

August 29, 2007 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 29, 2007 DITECH NETWORKS, INC.

August 29, 2007 SC TO-C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 29, 2007 DITECH NETWORKS, IN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 29, 2007 DITECH NETWORKS, INC.

August 29, 2007 EX-99.1

Ditech Networks Announces Intention to Initiate Dutch Auction Self-Tender Offer for its Common Stock

Exhibit 99.1 For Immediate Release Ditech Networks Announces Intention to Initiate Dutch Auction Self-Tender Offer for its Common Stock Mountain View, California, August 29, 2007 - Ditech Networks, Inc. (Nasdaq: DITC), today announced that its board of directors has authorized a Dutch auction cash self-tender offer to purchase up to 9,100,000 shares of its common stock at a range of $4.90 to $5.50

August 29, 2007 EX-99.1

Ditech Networks Announces Intention to Initiate Dutch Auction Self-Tender Offer for its Common Stock

Exhibit 99.1 For Immediate Release Ditech Networks Announces Intention to Initiate Dutch Auction Self-Tender Offer for its Common Stock Mountain View, California, August 29, 2007 - Ditech Networks, Inc. (Nasdaq: DITC), today announced that its board of directors has authorized a Dutch auction cash self-tender offer to purchase up to 9,100,000 shares of its common stock at a range of $4.90 to $5.50

August 28, 2007 10-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K/A Amendment No. 1 ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K/A Amendment No. 1 ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (MARK ONE) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended April 30, 2007 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXC

August 21, 2007 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, DC 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 15, 2007 DITECH NETWORKS, INC.

August 15, 2007 EX-3.1

BYLAWS DITECH NETWORKS, INC. (A DELAWARE CORPORATION) (As Amended and Restated on March 28, 2002, as revised to reflect the change of the name of the Corporation effective May 18, 2006 and as revised to reflect the allowance of uncertificated shares

Exhibit 3.1 BYLAWS OF DITECH NETWORKS, INC. (A DELAWARE CORPORATION) (As Amended and Restated on March 28, 2002, as revised to reflect the change of the name of the Corporation effective May 18, 2006 and as revised to reflect the allowance of uncertificated shares on August 15, 2007) Table Of Contents PAGE ARTICLE I OFFICES 1 Section 1. Registered Office 1 Section 2. Other Offices 1 ARTICLE II COR

August 15, 2007 EX-99.1

Ditech Networks Reports Q1 FY08 Financial Results Ditech Appoints Interim CEO, Edwin Harper

Exhibit 99.1 For Immediate Release Ditech Networks Reports Q1 FY08 Financial Results Ditech Appoints Interim CEO, Edwin Harper Mountain View, California, August 15, 2007 - - Ditech Networks, Inc. (Nasdaq: DITC) reported results for its fiscal 2008 first quarter ended July 31, 2007. Revenues for the first quarter were $14.0 million, a decrease of $7.6 million, or 35%, from revenues of $21.6 million

August 15, 2007 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 15, 2007 DITECH NETWORKS, INC.

August 8, 2007 SC 13D/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-2-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(a) (Amendment No. 2)1 Ditech Networks

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-2-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(a) (Amendment No. 2)1 Ditech Networks, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 25500T108 (CUSIP Number) Riley Investment Management LLC Attn: Bryant R. Riley 111

August 2, 2007 EX-99.1

COMPANY TO HOST INVESTOR CONFERENCE CALL AT 5:00 PM EASTERN TIME

Exhibit 99.1 For Immediate Release Ditech Networks Reports Preliminary Q1 FY08 Financial Results COMPANY TO HOST INVESTOR CONFERENCE CALL AT 5:00 PM EASTERN TIME Mountain View, California, August 2, 2007 - Ditech Networks, Inc. (NASDAQ: DITC) reported today that based on preliminary results, it expects revenue for its first quarter fiscal 2008, ended July 31, 2007, to be $14.0 - $14.5 million. “Ou

August 2, 2007 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 2, 2007 DITECH NETWORKS, INC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 2, 2007 DITECH NETWORKS, INC.

July 18, 2007 SC 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Ditech Networks, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) (CUSIP Number) July 10

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July 16, 2007 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (MARK ONE) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended April 30, 2007 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

July 16, 2007 EX-10.13

CASH COMPENSATION ARRANGEMENTS WITH EXECUTIVE OFFICERS

EXHIBIT 10.13 CASH COMPENSATION ARRANGEMENTS WITH EXECUTIVE OFFICERS Fiscal 2007 Bonuses The following are the fiscal 2007 cash bonuses for the following executive officers: Timothy Montgomery Chief Executive Officer $ 169,688 William Tamblyn Executive Vice President and Chief Financial Officer $ 100,000 Lowell Trangsrud Executive Vice President $ 100,000 Lee House Vice President of Engineering, V

July 16, 2007 EX-10.44

RELOCATION AMENDMENT FOR VICE PRESIDENT, SALES

EXHIBIT 10.44 May 16, 2007 RELOCATION AMENDMENT FOR VICE PRESIDENT, SALES As a follow-up to the May Board of Director’s meeting the Compensation Committee discussed your relocation circumstances as detailed in your offer letter dated February 3, 2006. The fact that the relocation arrangement had expired, the committee considered management’s proposal to extend the time period in which you could ea

July 16, 2007 EX-21.1

Subsidiaries of Ditech Networks, Inc.

Exhibit 21.1 Subsidiaries of Ditech Networks, Inc. Entity Name Jurisdiction Ditech Communications Europe Limited United Kingdom Ditech Communications Canada, Inc. Canada Ditech India Private Limited India Ditech Communications International, Inc. USA Jasomi Networks, Inc. USA

July 16, 2007 EX-10.45

9 May 2007

EXHIBIT 10.45 9 May 2007 Todd Simpson Dear Todd: In order for Ditech to support its current and prospective customers, you have agreed to an 18 month assignment as part of your role at Ditech Networks, Inc, as Vice President, Marketing, which includes responsibility for all current functions within the Marketing Organization including Product Management, Product Marketing and Marketing Communicati

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