# EDGAR Filing Document

**Accession Number:** 0001066605
**File Stem:** 0001193125-25-313894
**Filing Date:** 2025-12
**Character Count:** 10990
**Document Hash:** 382ac80210c93a9fa9efe6bd98df3f72
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-313894.hdr.sgml**: 20251210

**ACCESSION NUMBER**: 0001193125-25-313894

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

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251210

**DATE AS OF CHANGE**: 20251210

**EFFECTIVENESS DATE**: 20251210

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** HEIDRICK & STRUGGLES INTERNATIONAL INC
- **CENTRAL INDEX KEY:** 0001066605
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-EMPLOYMENT AGENCIES [7361]
- **ORGANIZATION NAME:** 07 Trade & Services
- **EIN:** 362681268
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** S-8 POS
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-239337
- **FILM NUMBER:** 251561465

**BUSINESS ADDRESS:**
- **STREET 1:** 233 S WACKER DRIVE
- **STREET 2:** SUITE 4900
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60606-6303
- **BUSINESS PHONE:** 3124961200

**MAIL ADDRESS:**
- **STREET 1:** 233 S WACKER DRIVE
- **STREET 2:** SUITE 4900
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60606

**Registration No. 333-279680** 

**Registration No. 333-272643** 

**Registration No. 333-239337** 

**Registration No. 333-225436** 

**Registration No. 333-181712** 

**Registration No. 333-147476** 

**Registration No. 333-130143** 

**Registration No. 333-82424** 

**Registration No. 333-58118** 

**Registration No. 333-32544** 

**Registration No. 333-73443** 

**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION** 

**WASHINGTON, D.C. 20549** 

**Post-Effective Amendment No. 1** 

**to** 

**FORM S-8 REGISTRATION STATEMENT NO. 333-279680** 

**FORM S-8 REGISTRATION STATEMENT NO. 333-272643** 

**FORM S-8 REGISTRATION STATEMENT NO. 333-239337** 

**FORM S-8 REGISTRATION STATEMENT NO. 333-225436** 

**FORM S-8 REGISTRATION STATEMENT NO. 333-181712** 

**FORM S-8 REGISTRATION STATEMENT NO. 333-147476** 

**FORM S-8 REGISTRATION STATEMENT NO. 333-130143** 

**FORM S-8 REGISTRATION STATEMENT NO. 333-82424** 

**FORM S-8 REGISTRATION STATEMENT NO. 333-58118** 

**FORM S-8 REGISTRATION STATEMENT NO. 333-32544** 

**FORM S-8 REGISTRATION STATEMENT NO. 333-73443** 

***UNDER***

***THE SECURITIES ACT OF 1933***

## Heidrick & Struggles International, Inc.
**(Exact name of registrant as specified in its charter)** 

---

| | |
|:---|:---|
| **Delaware** | **36-2681268** |
| **(State or other jurisdiction of**<br> **incorporation or organization)** | **(I.R.S. Employer**<br> **Identification No.)** |

---

**233 South Wacker Drive** 

**Suite 4900** 

**Chicago, Illinois 60606-6303** 

**(Address of Principal Executive Offices)(Zip Code)** 

**1998 Heidrick & Struggles GlobalShare Program I** 

**1998 Heidrick & Struggles GlobalShare Program II** 

**Heidrick & Struggles International, Inc. Restricted Stock Unit Plan** 

**Heidrick & Struggles, Inc. 401(k) Profit Sharing and Retirement Plan** 

**Heidrick & Struggles International, Inc. Deferred Compensation Plan** 

**Heidrick & Struggles International, Inc. Deferred Compensation Plan for UK Employees** 

**Heidrick & Struggles International, Inc. U.S. Employees Deferred Compensation Plan** 

**2007 Heidrick & Struggles GlobalShare Program** 

**2012 Heidrick & Struggles GlobalShare Program** 

**Second Amended and Restated Heidrick & Struggles 2012 GlobalShare Program** 

**Third Amended and Restated Heidrick & Struggles 2012 GlobalShare Program** 

**Fourth Amended and Restated Heidrick & Struggles 2012 GlobalShare Program** 

**Fifth Amended and Restated Heidrick & Struggles 2012 GlobalShare Program** 

**(Full title of the plans)** 

**Tracey Heaton** 

**Chief Legal Officer & Corporate Secretary** 

**233 South Wacker Drive** 

**Suite 4900** 

**Chicago, Illinois 60606-6303** 

**(312) 496-1200**

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

***Copy to*:** 

**Colin Diamond** 

**Paul Hastings LLP** 

**200 Park Avenue** 

**New York, NY** 

**(212) 318-6000** 

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.

---

| | | | |
|:---|:---|:---|:---|
| Large accelerated filer | ☐ | Accelerated filer | ☒ |
| Non-accelerated filer | ☐ | Smaller reporting company | ☐ |
|  |  | 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 No. 1 (this "Post-Effective Amendment") relates to the following Registration Statements on Form S-8 previously filed with the Securities and Exchange Commission (the "SEC") by Heidrick & Struggles International, Inc. (the "Registrant") (collectively, the "Registration Statements"), to deregister any and all securities that remain unsold or otherwise unissued under each such Registration Statement as of the date hereof:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Registration No. 333-73443, filed with the SEC on March 5,
1999, registering 3,721,667 shares of the Registrant's common stock, par value $0.01 per share ("Common Stock") for issuance under the 1998 Heidrick & Struggles GlobalShare Program I and 1998 Heidrick &
Struggles GlobalShare Program II;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Registration No. 333-32544, filed with the SEC on March 15,
2000, registering 395,000 shares of Common Stock for issuance under the Heidrick & Struggles International, Inc. Restricted Stock Unit Plan;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Registration No. 333-58118, filed with the SEC on April 2,
2001, registering 200,000 shares of Common Stock for offer and sale under the Heidrick & Struggles, Inc. 401(k) Profit Sharing and Retirement Plan;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Registration No. 333-82424, filed with the SEC on February 8,
2002, registering 750,000 shares of Common Stock for issuance under the Heidrick & Struggles International, Inc. Deferred Compensation Plan (the "U.S. Plan") and the Heidrick & Struggles International, Inc. Deferred
Compensation Plan for UK Employees (the "UK Plan," and together with the U.S. Plan, the "Plans"), together with an indeterminate number of shares of Common Stock that may have become issuable pursuant to the Plans as a result
of a stock split, stock dividend, or similar adjustment, and $15,000,000 of unsecured deferred compensation obligations to pay deferred compensation in the future in accordance with the Plans;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Registration No. 333-130143, filed with the SEC on December 5,
2005, registering $30,000,000 of unsecured deferred compensation obligations to pay deferred compensation in the future in accordance with the Heidrick & Struggles International, Inc. U.S. Employees Deferred Compensation Plan;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Registration No. 333-147476, filed with the SEC on November 16,
2007, registering 4,403,386 shares of Common Stock for issuance under the 2007 Heidrick & Struggles GlobalShare Program;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Registration No. 333-181712, filed with the SEC on May 25,
2012, registering 1,971,528 shares of Common Stock for issuance under the 2012 Heidrick & Struggles GlobalShare Program;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Registration No. 333-225436, filed with the SEC on June 5,
2018, registering 1,550,000 shares of Common Stock for issuance under the Second Amended and Restated Heidrick & Struggles 2012 GlobalShare Program;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Registration No. 333-239337, filed with the SEC on June 22,
2020, registering 500,000 shares of Common Stock for issuance under the Third Amended and Restated Heidrick & Struggles 2012 GlobalShare Program;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Registration No. 333-272643, filed with the SEC on June 14,
2023, registering 1,060,000 shares of Common Stock for issuance under the Fourth Amended and Restated Heidrick & Struggles 2012 GlobalShare Program; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Registration No. 333-279680, filed with the SEC on May 23,
2024, registering 649,000 shares of Common Stock for issuance under the Fifth Amended and Restated Heidrick & Struggles 2012 GlobalShare Program.

Pursuant to the Agreement and Plan of Merger, dated as of October 5, 2025, by and among the Registrant, Heron BidCo, LLC, a Delaware limited liability company ("Parent"), and Heron Merger Sub, Inc., a Delaware corporation and a direct, wholly owned subsidiary of Parent ("Merger Sub"), Merger Sub merged with and into the Registrant (the "Merger") on December 10, 2025, with the Registrant surviving the Merger as a wholly owned subsidiary of Parent.

As a result of the Merger, the Registrant has terminated all offerings of its securities pursuant to the above-referenced Registration Statements. In accordance with undertakings made by the Registrant in the Registration Statements to remove from registration, by means of a post-effective amendment, all of the securities that have been registered for issuance and that remain unsold at the termination of the offering, the Registrant, by filing this Post-Effective Amendment, hereby terminates the effectiveness of each of the Registration Statements and removes and withdraws from registration all of such securities of the Registrant registered but not sold or otherwise issued under the Registration Statements, if any, as of the date hereof. Each Registration Statement is hereby amended, as appropriate, to reflect the deregistration of such securities.

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**SIGNATURES** 

Pursuant to the requirements of the Securities Act of 1933, as amended (the "Securities Act"), 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 be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Chicago, State of Illinois, on December 10, 2025.

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| | |
|:---|:---|
| **HEIDRICK & STRUGGLES INTERNATIONAL, INC**. | **HEIDRICK & STRUGGLES INTERNATIONAL, INC**. |
| By: | /s/ Tracey Heaton |
|  | Tracy Heaton<br> Chief Legal Officer & Corporate Secretary |

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Pursuant to Rule 478 under the Securities Act, as amended, no other person is required to sign this Post-Effective Amendment.