# EDGAR Filing Document

**Accession Number:** 0001013462
**File Stem:** 0001140361-25-027823
**Filing Date:** 2025-7
**Character Count:** 11760
**Document Hash:** dde15eb56f27bcea7481aa1e902c3fd0
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-25-027823.hdr.sgml**: 20250729

**ACCESSION NUMBER**: 0001140361-25-027823

**CONFORMED SUBMISSION TYPE**: S-8 POS

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250729

**DATE AS OF CHANGE**: 20250729

**EFFECTIVENESS DATE**: 20250729

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** ANSYS INC
- **CENTRAL INDEX KEY:** 0001013462
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-PREPACKAGED SOFTWARE [7372]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 043219960
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** S-8 POS
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-08613
- **FILM NUMBER:** 251162320

**BUSINESS ADDRESS:**
- **STREET 1:** 2600 ANSYS DRIVE, SOUTHPOINTE
- **CITY:** CANONSBURG
- **STATE:** PA
- **ZIP:** 15317
- **BUSINESS PHONE:** 8444626797

**MAIL ADDRESS:**
- **STREET 1:** 2600 ANSYS DRIVE, SOUTHPOINTE
- **CITY:** CANONSBURG
- **STATE:** PA
- **ZIP:** 15317

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#### As filed with the Securities and Exchange Commission on July 29, 2025

#### Registration No. 333-08613

#### Registration No. 333-69506

#### Registration No. 333-110728

#### Registration No. 333-137274

#### Registration No. 333-152765

#### Registration No. 333-174670

#### Registration No. 333-177030

#### Registration No. 333-196393

#### Registration No. 333-206111

#### Registration No. 333-212412

#### Registration No. 333-256252

#### Registration No. 333-265553

### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

#### <br>

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#### POST-EFFECTIVE AMENDMENT NO. 1 TO:

#### FORM S-8 REGISTRATION STATEMENT NO. 333-69506

#### FORM S-8 REGISTRATION STATEMENT NO. 333-110728

#### FORM S-8 REGISTRATION STATEMENT NO. 333-137274

#### FORM S-8 REGISTRATION STATEMENT NO. 333-152765

#### FORM S-8 REGISTRATION STATEMENT NO. 333-174670

#### FORM S-8 REGISTRATION STATEMENT NO. 333-196393

#### FORM S-8 REGISTRATION STATEMENT NO. 333-206111

#### FORM S-8 REGISTRATION STATEMENT NO. 333-212412

#### FORM S-8 REGISTRATION STATEMENT NO. 333-256252

#### FORM S-8 REGISTRATION STATEMENT NO. 333-265553

#### POST-EFFECTIVE AMENDMENT NO. 2 TO:

#### FORM S-8 REGISTRATION STATEMENT NO. 333-08613

#### FORM S-8 REGISTRATION STATEMENT NO. 333-177030

#### UNDER THE SECURITIES ACT OF 1933

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## ANSYS, INC.

#### (Exact name of registrant as specified in its charter)

#### <br>

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| | |
|:---|:---|
| **Delaware** | **04-3219960** |
| **(State or other jurisdiction of incorporation or organization)** | **(I.R.S. Employer Identification No.)** |

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#### c/o Synopsys, Inc.

#### Synopsys, Inc.

#### 675 Almanor Ave.

#### Sunnyvale, California 94085

#### Telephone Number: (650) 584-5000
(Address, Including Zip Code, and Telephone Number, Including Area Code, of Registrant's Principal Executive Offices) <br>

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#### Employee Stock Purchase Plan

#### 1996 Stock Option and Grant Plan

#### Third Amended and Restated ANSYS, Inc. 1996 Stock Option and Grant Plan

#### Ansoft Corporation 1995 Stock Option Plan

#### Ansoft Corporation 2006 Stock Incentive Plan
Fourth Amended and Restated ANSYS, Inc. 1996 Stock Option and Grant Plan

#### Apache Design Solutions, Inc. Amended and Restated 2001 Stock Option/Stock Issuance Plan

#### SpaceClaim Corporation 2005 Stock Incentive Plan

#### Gear Design Solutions, Inc. Stock Incentive Plan

#### Fifth Amended and Restated ANSYS, Inc. 1996 Stock Option and Grant Plan

#### Third Amended and Restated Employee Stock Purchase Plan

#### ANSYS, Inc. 2021 Equity and Incentive Compensation Plan

#### ANSYS, Inc. 2022 Employee Stock Purchase Plan

#### <br>

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#### Janet Lee

#### General Counsel and Corporate Secretary

#### Synopsys, Inc.

#### 675 Almanor Ave.

#### Sunnyvale, California 94085

#### Telephone Number: (650) 584-5000

#### (Name, address, including zip code, and telephone number, including area code, of agent for service)

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Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company" and "emerging growth company" in Rule 12b-2 of the Exchange Act. (Check one).

Large accelerated filer ☒ Accelerated filer ☐ <br> Non-accelerated filer ☐ Smaller reporting company ☐ <br> Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act. ☐

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#### DEREGISTRATION OF SECURITIES

This Post-Effective Amendment (this "Post-Effective Amendment") deregisters all shares of ANSYS, Inc., a Delaware corporation (the "Registrant"), common stock, par value $0.01 per share ("Shares"), and any other securities remaining unissued, under the following Registration Statements on Form S-8 (each, a "Registration Statement" and, collectively, the "Registration Statements") filed by the Registrant with the U.S. Securities and Exchange Commission (the "Commission"):

Registration Statement on [Form S-8](https://www.sec.gov/Archives/edgar/data/1013462/0000927016-96-000625.txt) (No. 333-08613), which was filed with the Commission on July 23, 1996, pertaining to the registration of 210,000 Shares issuable under the Registrant's Employee Stock Purchase Plan and 2,250,000 Shares issuable under the Registrant's 1996 Stock Option and Grant Plan.

Post-Effective Registration Statement on [Form S-8 POS](https://www.sec.gov/Archives/edgar/data/1013462/0001013462-98-000005.txt) (No. 333-08613), which was filed with the Commission on July 17, 1998, pertaining to the registration of 1,000,000 Shares issuable under the Registrant's 1996 Stock Option and Grant Plan.

Registration Statement on [Form S-8](https://www.sec.gov/Archives/edgar/data/1013462/000089843101500117/ansys_s8.txt) (No. 333-69506), which was filed with the Commission on September 17, 2001, pertaining to the registration of 1,000,000 Shares issuable under the Registrant's 1996 Stock Option and Grant Plan.

Registration Statement on [Form S-8](https://www.sec.gov/Archives/edgar/data/1013462/000089843103000126/ansys_form-s8.txt) (No. 333-110728), which was filed with the Commission on November 25, 2003, pertaining to the registration of 1,100,000 Shares issuable under the Registrant's 1996 Stock Option and Grant Plan.

Registration Statement on [Form S-8](https://www.sec.gov/Archives/edgar/data/1013462/000119312506189913/ds8.htm) (No. 333-137274), which was filed with the Commission on September 13, 2006, pertaining to the registration of 2,000,000 Shares issuable under the Registrant's Third Amended and Restated 1996 Stock Option and Grant Plan.

Registration Statement on [Form S-8](https://www.sec.gov/Archives/edgar/data/1013462/000119312508166107/ds8.htm) (No. 333-152765), which was filed with the Commission on August 5, 2008, pertaining to the registration of 1,665,956 Shares issuable under the Ansoft Corporation 1995 Stock Option Plan and 1,080,227 Shares issuable under the Ansoft Corporation 2006 Stock Incentive Plan.

Registration Statement on [Form S-8](https://www.sec.gov/Archives/edgar/data/1013462/000119312511157262/ds8.htm) (No. 333-174670), which was filed with the Commission on June 2, 2011 pertaining to the registration of 5,200,000 Shares issuable under the Registrant's Fourth Amended and Restated 1996 Stock Option and Grant Plan.

Registration Statement on [Form S-8](https://www.sec.gov/Archives/edgar/data/1013462/000119312511257598/d236701ds8.htm) (No. 333-177030), which was filed with the Commission on September 28, 2011, pertaining to the registration of 544,751 Shares issuable under the Apache Design Solutions, Inc. Amended and Restated 2001 Stock Option/Stock Issuance Plan, as amended pursuant to the post-effective amendment filed on [Form S-8 POS](https://www.sec.gov/Archives/edgar/data/1013462/000119312511258966/d238380ds8pos.htm) filed with the SEC on September 28, 2011.

Registration Statement on [Form S-8](https://www.sec.gov/Archives/edgar/data/1013462/000119312514218721/d735632ds8.htm) (No. 333-196393), which was filed with the Commission on May 30, 2014 pertaining to the registration of 21,375 Shares issuable under the SpaceClaim Corporation 2005 Stock Incentive Plan.

Registration Statement on [Form S-8](https://www.sec.gov/Archives/edgar/data/1013462/000119312515278795/d89465ds8.htm) (No. 333-206111), which was filed with the Commission on August 5, 2015 pertaining to the registration of 8,308 Shares issuable under the Gear Design Solutions, Inc. Stock Incentive Plan.

Registration Statement on [Form S-8](https://www.sec.gov/Archives/edgar/data/1013462/000119312516642450/d208892ds8.htm) (No. 333-212412), which was filed with the Commission on July 6, 2016 pertaining to the registration of 9,000,000 Shares issuable under the Registrant's Fifth Amended and Restated 1996 Stock Option and Grant Plan and 200,000 Shares issuable under the Registrant's Third Amended and Restated Employee Stock Purchase Plan.

Registration Statement on [Form S-8](https://www.sec.gov/Archives/edgar/data/1013462/000101346221000027/anss20210518s-8.htm) (No. 333-256252), which was filed with the Commission on May 18, 2021, pertaining to the registration of 4,400,000 Shares issuable under the Registrant's 2021 Equity and Incentive Compensation Plan.

Registration Statement on [Form S-8](https://www.sec.gov/Archives/edgar/data/1013462/000101346222000021/anss2022s-8.htm) (No. 333-265553), which was filed with the Commission on June 13, 2022, pertaining to the registration of 750,000 Shares issuable under the Registrant's 2022 Employee Stock Purchase Plan.

Pursuant to the Agreement and Plan of Merger, dated as of January 15, 2024 (the "Merger Agreement"), by and among the Registrant, Synopsys, Inc. ("Synopsys"), and Alta Acquisition Corp., a wholly owned subsidiary of Synopsys, the Registrant became a wholly owned subsidiary of Synopsys effective July 17, 2025.

As a result of the completion of the transactions contemplated by the Merger Agreement, the Registrant has terminated any and all offerings of its securities pursuant to the Registration Statements. Accordingly, the Registrant hereby terminates the effectiveness of the Registration Statements and, in accordance with an undertaking made by the Registrant in Part II of the Registration Statements to remove from registration, by means of a post-effective amendment, any securities that had been registered for issuance but remain unsold at the termination of the offering, removes from registration any and all securities of the Registrant registered but unsold under the Registration Statements as of the date hereof. <br>

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#### SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Post-Effective Amendment to the Registration Statements to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Sunnyvale, State of California, on this 29th day of July, 2025.

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| | |
|:---|:---|
| **ANSYS, Inc.** | **ANSYS, Inc.** |
| By: | /s/ Janet Lee |

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Name: Janet Lee <br> Title: President, Treasurer and Secretary

No other person is required to sign this Post-Effective Amendment to the Registration Statements on Form S-8 in reliance upon Rule 478 under the Securities Act of 1933, as amended.

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