Grid Dynamics Holdings, Inc. SEC filings GDYN
Grid Dynamics Holdings, Inc. has 827 filings in SEC EDGAR's recent list, going back to Jun 15, 2018. Its latest annual report, Form 10-K, was filed on Mar 5, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 30, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 29, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 144 | Notice of proposed sale | Nov 6, 2026 | — |
| 144 | Notice of proposed sale | Nov 6, 2026 | — |
| 144 | Notice of proposed sale | Nov 6, 2026 | — |
| 144 | Notice of proposed sale | Nov 5, 2026 | — |
| 4 | Insider transaction | Nov 3, 2026 | Nov 3, 2026 |
| 144 | Notice of proposed sale | Nov 3, 2026 | — |
| 4 | Insider transaction | Oct 30, 2026 | Oct 30, 2026 |
| 4 | Insider transaction | Oct 30, 2026 | Oct 30, 2026 |
| 4 | Insider transaction | Oct 30, 2026 | Oct 30, 2026 |
| 4 | Insider transaction | Oct 30, 2026 | Oct 29, 2026 |
| 144 | Notice of proposed sale | Oct 30, 2026 | — |
| 144 | Notice of proposed sale | Oct 30, 2026 | — |
| 144 | Notice of proposed sale | Oct 30, 2026 | — |
| 4 | Insider transaction | Oct 29, 2026 | Oct 28, 2026 |
| 144 | Notice of proposed sale | Oct 29, 2026 | — |
| 4 | Insider transaction | Oct 8, 2026 | Oct 8, 2026 |
| 144 | Notice of proposed sale | Oct 8, 2026 | — |
| 4 | Insider transaction | Oct 5, 2026 | Oct 2, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Oct 1, 2026 |
| 144 | Notice of proposed sale | Oct 2, 2026 | — |
| 4 | Insider transaction | Sep 3, 2026 | Sep 3, 2026 |
| 144 | Notice of proposed sale | Sep 3, 2026 | — |
| 4 | Insider transaction | Aug 24, 2026 | Aug 21, 2026 |
| 4 | Insider transaction | Aug 19, 2026 | Aug 18, 2026 |
| 144 | Notice of proposed sale | Aug 18, 2026 | — |
| 4 | Insider transaction | Aug 17, 2026 | Aug 14, 2026 |
| 4 | Insider transaction | Aug 17, 2026 | Aug 14, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| 4 | Insider transaction | Aug 13, 2026 | Aug 13, 2026 |
| 144 | Notice of proposed sale | Aug 13, 2026 | — |
| 4 | Insider transaction | Aug 10, 2026 | Aug 7, 2026 |
| 4 | Insider transaction | Jul 28, 2026 | Jul 28, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 8, 2026 | — |
| 4/A | Form 4/a | Jul 2, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jul 2, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jul 2, 2026 |
| 144 | Notice of proposed sale | Jul 2, 2026 | — |
| 144 | Notice of proposed sale | Jun 1, 2026 | — |
| 4 | Insider transaction | Jun 1, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | May 26, 2026 | May 22, 2026 |
| 4/A | Form 4/a | May 26, 2026 | Dec 23, 2025 |
| 4 | Insider transaction | May 15, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 15, 2026 | May 15, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2026 | — |
| 144 | Notice of proposed sale | May 15, 2026 | — |
| 4 | Insider transaction | May 14, 2026 | May 14, 2026 |
| 4 | Insider transaction | Apr 28, 2026 | Apr 28, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Apr 2, 2026 |
| 144 | Notice of proposed sale | Apr 2, 2026 | — |
| 4 | Insider transaction | Apr 2, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Apr 1, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 4 | Insider transaction | Mar 12, 2026 | Mar 10, 2026 |
| 144 | Notice of proposed sale | Mar 10, 2026 | — |
| 4 | Insider transaction | Feb 24, 2026 | Feb 21, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 14, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 14, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| 4 | Insider transaction | Feb 10, 2026 | Feb 7, 2026 |
| 4 | Insider transaction | Feb 10, 2026 | Feb 7, 2026 |
| 4 | Insider transaction | Feb 10, 2026 | Feb 7, 2026 |
| 4 | Insider transaction | Jan 30, 2026 | Jan 28, 2026 |
| 4 | Insider transaction | Jan 21, 2026 | Jan 20, 2026 |
| 144 | Notice of proposed sale | Jan 20, 2026 | — |
| 4 | Insider transaction | Jan 8, 2026 | Jan 7, 2026 |
| 4 | Insider transaction | Jan 8, 2026 | Jan 6, 2026 |
| 144 | Notice of proposed sale | Jan 7, 2026 | — |
| 144 | Notice of proposed sale | Jan 6, 2026 | — |
| 4 | Insider transaction | Jan 5, 2026 | Jan 1, 2026 |
| 4 | Insider transaction | Jan 5, 2026 | Jan 1, 2026 |
| 4 | Insider transaction | Jan 5, 2026 | Jan 1, 2026 |
| 4 | Insider transaction | Dec 29, 2025 | Dec 23, 2025 |
| 4 | Insider transaction | Dec 29, 2025 | Dec 23, 2025 |
| 4 | Insider transaction | Dec 29, 2025 | Dec 23, 2025 |
| 4 | Insider transaction | Dec 29, 2025 | Dec 23, 2025 |
| 4 | Insider transaction | Dec 29, 2025 | Dec 23, 2025 |
| 4 | Insider transaction | Dec 29, 2025 | Dec 23, 2025 |
| 4 | Insider transaction | Dec 29, 2025 | Dec 23, 2025 |
| 4 | Insider transaction | Dec 29, 2025 | Dec 23, 2025 |
| 4 | Insider transaction | Dec 29, 2025 | Dec 23, 2025 |
| 144 | Notice of proposed sale | Dec 23, 2025 | — |
| 4 | Insider transaction | Dec 17, 2025 | Dec 15, 2025 |
| 4 | Insider transaction | Dec 11, 2025 | Dec 9, 2025 |
| 4 | Insider transaction | Dec 11, 2025 | Dec 9, 2025 |
| 4 | Insider transaction | Dec 9, 2025 | Dec 5, 2025 |
| 144 | Notice of proposed sale | Dec 9, 2025 | — |
| 144 | Notice of proposed sale | Dec 9, 2025 | — |
| 144 | Notice of proposed sale | Dec 5, 2025 | — |
| 4 | Insider transaction | Dec 4, 2025 | Dec 3, 2025 |
| 144 | Notice of proposed sale | Dec 3, 2025 | — |
| 4 | Insider transaction | Nov 25, 2025 | Nov 24, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 13, 2025 | — |
| 4 | Insider transaction | Nov 4, 2025 | Oct 31, 2025 |
| 4 | Insider transaction | Nov 4, 2025 | Oct 31, 2025 |
| 144 | Notice of proposed sale | Oct 31, 2025 | — |
| 144 | Notice of proposed sale | Oct 31, 2025 | — |
| 4 | Insider transaction | Oct 30, 2025 | Oct 28, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Aug 25, 2025 | Aug 21, 2025 |
| 4 | Insider transaction | Jul 23, 2025 | Jul 22, 2025 |
| 144 | Notice of proposed sale | Jul 22, 2025 | — |
| 4 | Insider transaction | Jul 10, 2025 | Jul 8, 2025 |
| 4 | Insider transaction | Jul 10, 2025 | Jul 8, 2025 |
| 4 | Insider transaction | Jul 8, 2025 | Jul 7, 2025 |
| 144 | Notice of proposed sale | Jul 8, 2025 | — |
| 144 | Notice of proposed sale | Jul 8, 2025 | — |
| 144 | Notice of proposed sale | Jul 7, 2025 | — |
| 4 | Insider transaction | Jul 3, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Jul 3, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Jul 3, 2025 | Jul 1, 2025 |
| 144 | Notice of proposed sale | Jul 2, 2025 | — |
| 4 | Insider transaction | Jul 2, 2025 | Jul 1, 2025 |
| 144 | Notice of proposed sale | Jul 1, 2025 | — |
| 4 | Insider transaction | Jun 26, 2025 | Jun 24, 2025 |
| 144 | Notice of proposed sale | Jun 24, 2025 | — |
| 4 | Insider transaction | Jun 11, 2025 | Jun 9, 2025 |
| 4 | Insider transaction | Jun 11, 2025 | Jun 10, 2025 |
| 144 | Notice of proposed sale | Jun 10, 2025 | — |
| 144 | Notice of proposed sale | Jun 9, 2025 | — |
| 4 | Insider transaction | Jun 5, 2025 | Jun 3, 2025 |
| 144 | Notice of proposed sale | Jun 3, 2025 | — |
| 4 | Insider transaction | May 29, 2025 | May 27, 2025 |
| 144 | Notice of proposed sale | May 27, 2025 | — |
| 4 | Insider transaction | May 23, 2025 | May 21, 2025 |
| 4 | Insider transaction | May 14, 2025 | May 12, 2025 |
| 144 | Notice of proposed sale | May 13, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 12, 2025 | — |
| 144 | Notice of proposed sale | May 12, 2025 | — |
| 4 | Insider transaction | May 8, 2025 | May 6, 2025 |
| 4 | Insider transaction | May 8, 2025 | May 7, 2025 |
| 144 | Notice of proposed sale | May 7, 2025 | — |
| 144 | Notice of proposed sale | May 6, 2025 | — |
| 4 | Insider transaction | Apr 30, 2025 | Apr 29, 2025 |
| 144 | Notice of proposed sale | Apr 29, 2025 | — |
| 4 | Insider transaction | Apr 17, 2025 | Apr 15, 2025 |
| 144 | Notice of proposed sale | Apr 15, 2025 | — |
| 4 | Insider transaction | Apr 9, 2025 | Apr 8, 2025 |
| 4 | Insider transaction | Apr 9, 2025 | Apr 7, 2025 |
| 144 | Notice of proposed sale | Apr 8, 2025 | — |
| 4 | Insider transaction | Apr 7, 2025 | Apr 3, 2025 |
| 144 | Notice of proposed sale | Apr 7, 2025 | — |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 144 | Notice of proposed sale | Apr 3, 2025 | — |
| 144 | Notice of proposed sale | Apr 1, 2025 | — |
| 4 | Insider transaction | Mar 20, 2025 | Mar 18, 2025 |
| 144 | Notice of proposed sale | Mar 18, 2025 | — |
| 4 | Insider transaction | Mar 13, 2025 | Mar 11, 2025 |
| 144 | Notice of proposed sale | Mar 11, 2025 | — |
| 144 | Notice of proposed sale | Mar 11, 2025 | — |
| 4 | Insider transaction | Mar 10, 2025 | Mar 7, 2025 |
| 144 | Notice of proposed sale | Mar 7, 2025 | — |
| 4 | Insider transaction | Mar 6, 2025 | Mar 4, 2025 |
| 4 | Insider transaction | Mar 6, 2025 | Mar 4, 2025 |
| 144 | Notice of proposed sale | Mar 4, 2025 | — |
| 144 | Notice of proposed sale | Mar 4, 2025 | — |
| 4 | Insider transaction | Feb 26, 2025 | Feb 24, 2025 |
| 4 | Insider transaction | Feb 25, 2025 | Feb 21, 2025 |
| 144 | Notice of proposed sale | Feb 21, 2025 | — |
| 4 | Insider transaction | Feb 18, 2025 | Feb 13, 2025 |
| 4 | Insider transaction | Feb 18, 2025 | Feb 13, 2025 |
| 4 | Insider transaction | Feb 18, 2025 | Feb 13, 2025 |
| 144 | Notice of proposed sale | Feb 18, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 12, 2025 | — |
| 4 | Insider transaction | Feb 11, 2025 | Feb 7, 2025 |
| 144 | Notice of proposed sale | Feb 7, 2025 | — |
| 4 | Insider transaction | Feb 6, 2025 | Feb 4, 2025 |
| 144 | Notice of proposed sale | Feb 4, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 30, 2025 | — |
| 4 | Insider transaction | Jan 23, 2025 | Jan 21, 2025 |
| 144 | Notice of proposed sale | Jan 21, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 8, 2025 | — |
| 4 | Insider transaction | Jan 8, 2025 | Jan 7, 2025 |
| 4 | Insider transaction | Jan 8, 2025 | Jan 7, 2025 |
| 144 | Notice of proposed sale | Jan 7, 2025 | — |
| 144 | Notice of proposed sale | Jan 7, 2025 | — |
| 4 | Insider transaction | Jan 6, 2025 | Jan 1, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 1, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 1, 2025 |
| 4 | Insider transaction | Dec 30, 2024 | Dec 26, 2024 |
| 4 | Insider transaction | Dec 26, 2024 | Dec 23, 2024 |
| 4 | Insider transaction | Dec 26, 2024 | Dec 23, 2024 |
| 4 | Insider transaction | Dec 26, 2024 | Dec 23, 2024 |
| 4 | Insider transaction | Dec 26, 2024 | Dec 23, 2024 |
| 4 | Insider transaction | Dec 26, 2024 | Dec 23, 2024 |
| 4 | Insider transaction | Dec 26, 2024 | Dec 23, 2024 |
| 4 | Insider transaction | Dec 26, 2024 | Dec 23, 2024 |
| 4 | Insider transaction | Dec 26, 2024 | Dec 24, 2024 |
| 4 | Insider transaction | Dec 26, 2024 | Dec 23, 2024 |
| 144 | Notice of proposed sale | Dec 26, 2024 | — |
| 144 | Notice of proposed sale | Dec 26, 2024 | — |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Services-Prepackaged Software (SIC 7372)
- Listed as
- GDYN (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- San Ramon, CA
- SEC filer status
- Accelerated filer
- SEC CIK
- 1743725
- Former names
- ChaSerg Technology Acquisition Corp (until Mar 5, 2020)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.