Ouster, Inc. SEC filings OUST
Ouster, Inc. has 713 filings in SEC EDGAR's recent list, going back to Jul 6, 2020. Its latest annual report, Form 10-K, was filed on Mar 2, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 3, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 3, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 10-Q | Quarterly report | Nov 3, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Nov 3, 2026 | Nov 3, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 30, 2026 | — |
| 4 | Insider transaction | Oct 7, 2026 | Oct 5, 2026 |
| 4 | Insider transaction | Sep 16, 2026 | Sep 14, 2026 |
| 4 | Insider transaction | Sep 16, 2026 | Sep 14, 2026 |
| 4 | Insider transaction | Sep 16, 2026 | Sep 14, 2026 |
| 4 | Insider transaction | Sep 16, 2026 | Sep 14, 2026 |
| 4 | Insider transaction | Sep 16, 2026 | Sep 14, 2026 |
| 4 | Insider transaction | Sep 16, 2026 | Sep 14, 2026 |
| 144 | Notice of proposed sale | Sep 11, 2026 | — |
| 144 | Notice of proposed sale | Sep 11, 2026 | — |
| 144 | Notice of proposed sale | Sep 11, 2026 | — |
| 144 | Notice of proposed sale | Sep 11, 2026 | — |
| 144 | Notice of proposed sale | Sep 11, 2026 | — |
| 144 | Notice of proposed sale | Sep 11, 2026 | — |
| 4 | Insider transaction | Sep 10, 2026 | Sep 9, 2026 |
| 4 | Insider transaction | Sep 4, 2026 | Sep 2, 2026 |
| 4 | Insider transaction | Aug 28, 2026 | Aug 26, 2026 |
| 4 | Insider transaction | Aug 19, 2026 | Aug 18, 2026 |
| 144 | Notice of proposed sale | Aug 18, 2026 | — |
| 4 | Insider transaction | Aug 7, 2026 | Aug 5, 2026 |
| 10-Q | Quarterly report | Aug 6, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2026 | Aug 6, 2026 |
| 144 | Notice of proposed sale | Aug 6, 2026 | — |
| 4 | Insider transaction | Aug 5, 2026 | Aug 4, 2026 |
| 144 | Notice of proposed sale | Aug 5, 2026 | — |
| 144 | Notice of proposed sale | Aug 4, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 29, 2026 | — |
| 4 | Insider transaction | Jul 8, 2026 | Jul 6, 2026 |
| 8-K |
Current report
Other events
|
Jul 6, 2026 | Jul 2, 2026 |
| 424B5 | Prospectus supplement | Jul 6, 2026 | — |
| 424B5 | Prospectus supplement | Jul 2, 2026 | — |
| S-3ASR | Automatic shelf registration | Jul 2, 2026 | — |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 144 | Notice of proposed sale | Jun 22, 2026 | — |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Jun 18, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 16, 2026 | Jun 12, 2026 |
| 4 | Insider transaction | Jun 16, 2026 | Jun 12, 2026 |
| 4 | Insider transaction | Jun 16, 2026 | Jun 12, 2026 |
| 4 | Insider transaction | Jun 16, 2026 | Jun 12, 2026 |
| 4 | Insider transaction | Jun 16, 2026 | Jun 12, 2026 |
| 4 | Insider transaction | Jun 16, 2026 | Jun 12, 2026 |
| SD | Specialized disclosure (conflict minerals) | May 29, 2026 | — |
| 4 | Insider transaction | May 27, 2026 | May 26, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 22, 2026 |
| 4 | Insider transaction | May 27, 2026 | May 26, 2026 |
| 144 | Notice of proposed sale | May 26, 2026 | — |
| 144 | Notice of proposed sale | May 26, 2026 | — |
| 144 | Notice of proposed sale | May 26, 2026 | — |
| 4 | Insider transaction | May 22, 2026 | May 21, 2026 |
| 144 | Notice of proposed sale | May 22, 2026 | — |
| 4 | Insider transaction | May 21, 2026 | May 14, 2026 |
| 144 | Notice of proposed sale | May 21, 2026 | — |
| 144 | Notice of proposed sale | May 20, 2026 | — |
| 4 | Insider transaction | May 15, 2026 | May 13, 2026 |
| 144 | Notice of proposed sale | May 15, 2026 | — |
| DEFA14A | Additional proxy material | May 15, 2026 | — |
| 144 | Notice of proposed sale | May 14, 2026 | — |
| 144 | Notice of proposed sale | May 13, 2026 | — |
| 4 | Insider transaction | May 12, 2026 | May 11, 2026 |
| 8-K |
Current report
Other events
|
May 8, 2026 | May 8, 2026 |
| 424B5 | Prospectus supplement | May 8, 2026 | — |
| 424B3 | Prospectus | May 8, 2026 | — |
| 4 | Insider transaction | May 7, 2026 | May 5, 2026 |
| 4 | Insider transaction | May 6, 2026 | May 4, 2026 |
| 10-Q | Quarterly report | May 5, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 5, 2026 | May 5, 2026 |
| 144 | Notice of proposed sale | May 5, 2026 | — |
| 144 | Notice of proposed sale | May 4, 2026 | — |
| DEFA14A | Additional proxy material | Apr 28, 2026 | — |
| DEF 14A | Proxy statement | Apr 28, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Apr 23, 2026 | Apr 22, 2026 |
| 4 | Insider transaction | Apr 22, 2026 | Apr 21, 2026 |
| 144 | Notice of proposed sale | Apr 22, 2026 | — |
| 4 | Insider transaction | Apr 21, 2026 | Apr 20, 2026 |
| 144 | Notice of proposed sale | Apr 21, 2026 | — |
| 144 | Notice of proposed sale | Apr 21, 2026 | — |
| 144 | Notice of proposed sale | Apr 20, 2026 | — |
| 4 | Insider transaction | Apr 17, 2026 | Apr 17, 2026 |
| 4 | Insider transaction | Apr 17, 2026 | Apr 16, 2026 |
| 144 | Notice of proposed sale | Apr 17, 2026 | — |
| PRE 14A | Preliminary proxy statement | Apr 17, 2026 | Jun 17, 2026 |
| 144 | Notice of proposed sale | Apr 16, 2026 | — |
| 4 | Insider transaction | Apr 15, 2026 | Apr 14, 2026 |
| 144 | Notice of proposed sale | Apr 15, 2026 | — |
| 4 | Insider transaction | Apr 14, 2026 | Apr 11, 2026 |
| 3 | Initial insider ownership | Apr 14, 2026 | Apr 12, 2026 |
| 4 | Insider transaction | Apr 14, 2026 | Apr 12, 2026 |
| 4 | Insider transaction | Apr 14, 2026 | Apr 11, 2026 |
| 4 | Insider transaction | Apr 14, 2026 | Apr 11, 2026 |
| 4 | Insider transaction | Apr 14, 2026 | Apr 11, 2026 |
| 144 | Notice of proposed sale | Apr 14, 2026 | — |
| 4 | Insider transaction | Apr 7, 2026 | Apr 6, 2026 |
| 4 | Insider transaction | Mar 27, 2026 | Mar 25, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 144 | Notice of proposed sale | Mar 25, 2026 | — |
| 4 | Insider transaction | Mar 23, 2026 | Mar 19, 2026 |
| 144 | Notice of proposed sale | Mar 19, 2026 | — |
| 4 | Insider transaction | Mar 16, 2026 | Mar 12, 2026 |
| 4 | Insider transaction | Mar 16, 2026 | Mar 12, 2026 |
| 4 | Insider transaction | Mar 16, 2026 | Mar 12, 2026 |
| 4 | Insider transaction | Mar 16, 2026 | Mar 12, 2026 |
| 144 | Notice of proposed sale | Mar 11, 2026 | — |
| 144 | Notice of proposed sale | Mar 11, 2026 | — |
| 144 | Notice of proposed sale | Mar 11, 2026 | — |
| 144 | Notice of proposed sale | Mar 11, 2026 | — |
| 25-NSE | Delisting notice | Mar 11, 2026 | — |
| 4 | Insider transaction | Mar 9, 2026 | Mar 6, 2026 |
| S-8 | Employee stock plan registration | Mar 2, 2026 | — |
| 10-K | Annual report | Mar 2, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 2, 2026 | Mar 2, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 9, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Jan 21, 2026 | Jan 16, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 21, 2026 | — |
| 144 | Notice of proposed sale | Jan 16, 2026 | — |
| 4 | Insider transaction | Jan 6, 2026 | Jan 5, 2026 |
| 4 | Insider transaction | Dec 23, 2025 | Dec 19, 2025 |
| 8-K |
Current report
Material agreement
|
Dec 19, 2025 | Dec 17, 2025 |
| 144 | Notice of proposed sale | Dec 19, 2025 | — |
| 4 | Insider transaction | Dec 16, 2025 | Dec 12, 2025 |
| 4 | Insider transaction | Dec 16, 2025 | Dec 12, 2025 |
| 4 | Insider transaction | Dec 16, 2025 | Dec 12, 2025 |
| 4 | Insider transaction | Dec 16, 2025 | Dec 12, 2025 |
| 4 | Insider transaction | Dec 16, 2025 | Dec 12, 2025 |
| 144 | Notice of proposed sale | Dec 12, 2025 | — |
| 144 | Notice of proposed sale | Dec 11, 2025 | — |
| 144 | Notice of proposed sale | Dec 11, 2025 | — |
| 144 | Notice of proposed sale | Dec 11, 2025 | — |
| 144 | Notice of proposed sale | Dec 11, 2025 | — |
| 4 | Insider transaction | Dec 10, 2025 | Dec 8, 2025 |
| 3 | Initial insider ownership | Dec 10, 2025 | Dec 8, 2025 |
| 8-K |
Current report
Officer or director change
|
Dec 10, 2025 | Dec 8, 2025 |
| 4 | Insider transaction | Nov 12, 2025 | Nov 11, 2025 |
| 144 | Notice of proposed sale | Nov 12, 2025 | — |
| 10-Q/A | Amended quarterly report | Nov 7, 2025 | Sep 30, 2025 |
| 10-Q | Quarterly report | Nov 5, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2025 | Nov 4, 2025 |
| 4 | Insider transaction | Oct 20, 2025 | Oct 17, 2025 |
| 144 | Notice of proposed sale | Oct 17, 2025 | — |
| 4 | Insider transaction | Oct 6, 2025 | Oct 6, 2025 |
| 25-NSE | Delisting notice | Sep 30, 2025 | — |
| 4 | Insider transaction | Sep 16, 2025 | Sep 12, 2025 |
| 4 | Insider transaction | Sep 16, 2025 | Sep 12, 2025 |
| 4 | Insider transaction | Sep 16, 2025 | Sep 12, 2025 |
| 4 | Insider transaction | Sep 16, 2025 | Sep 12, 2025 |
| 144 | Notice of proposed sale | Sep 11, 2025 | — |
| 144 | Notice of proposed sale | Sep 11, 2025 | — |
| 144 | Notice of proposed sale | Sep 11, 2025 | — |
| 144 | Notice of proposed sale | Sep 11, 2025 | — |
| 4 | Insider transaction | Aug 15, 2025 | Aug 13, 2025 |
| 144 | Notice of proposed sale | Aug 13, 2025 | — |
| 10-Q | Quarterly report | Aug 11, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2025 | Aug 7, 2025 |
| 4 | Insider transaction | Jul 9, 2025 | Jul 7, 2025 |
| 4 | Insider transaction | Jun 20, 2025 | Jun 18, 2025 |
| 4 | Insider transaction | Jun 20, 2025 | Jun 18, 2025 |
| 4 | Insider transaction | Jun 20, 2025 | Jun 18, 2025 |
| 4 | Insider transaction | Jun 20, 2025 | Jun 18, 2025 |
| 4 | Insider transaction | Jun 20, 2025 | Jun 18, 2025 |
| 4 | Insider transaction | Jun 20, 2025 | Jun 18, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Jun 20, 2025 | Jun 18, 2025 |
| 4 | Insider transaction | Jun 16, 2025 | Jun 12, 2025 |
| 4 | Insider transaction | Jun 16, 2025 | Jun 12, 2025 |
| 144 | Notice of proposed sale | Jun 11, 2025 | — |
| 144 | Notice of proposed sale | Jun 11, 2025 | — |
| SD | Specialized disclosure (conflict minerals) | May 30, 2025 | — |
| 4 | Insider transaction | May 20, 2025 | May 19, 2025 |
| 3 | Initial insider ownership | May 20, 2025 | May 19, 2025 |
| 4 | Insider transaction | May 14, 2025 | May 13, 2025 |
| 144 | Notice of proposed sale | May 13, 2025 | — |
| EFFECT | Filing | May 12, 2025 | — |
| 8-K |
Current report
Other events
|
May 12, 2025 | May 12, 2025 |
| 424B5 | Prospectus supplement | May 12, 2025 | — |
| 10-Q | Quarterly report | May 9, 2025 | Mar 31, 2025 |
| UPLOAD | Letter from the SEC | May 9, 2025 | — |
| CORRESP | Letter to the SEC | May 9, 2025 | — |
| 8-K |
Current report
Results of operations
|
May 8, 2025 | May 8, 2025 |
| S-3 | Shelf registration | May 2, 2025 | — |
| 8-K |
Current report
Officer or director change
|
Apr 29, 2025 | Apr 25, 2025 |
| DEFA14A | Additional proxy material | Apr 28, 2025 | — |
| DEF 14A | Proxy statement | Apr 28, 2025 | Jun 18, 2025 |
| PRE 14A | Preliminary proxy statement | Apr 18, 2025 | Jun 18, 2025 |
| 8-K |
Current report
Officer or director change
|
Apr 11, 2025 | Apr 7, 2025 |
| 4 | Insider transaction | Apr 8, 2025 | Apr 7, 2025 |
| 4 | Insider transaction | Apr 2, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Apr 2, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Mar 28, 2025 | Mar 26, 2025 |
| 144 | Notice of proposed sale | Mar 26, 2025 | — |
| 4 | Insider transaction | Mar 25, 2025 | Mar 21, 2025 |
| 4 | Insider transaction | Mar 25, 2025 | Mar 21, 2025 |
| 4 | Insider transaction | Mar 25, 2025 | Mar 21, 2025 |
| S-8 | Employee stock plan registration | Mar 21, 2025 | — |
| 10-K | Annual report | Mar 21, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 20, 2025 | Mar 20, 2025 |
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Company profile
- Industry
- General Industrial Machinery & Equipment, NEC (SIC 3569)
- Listed as
- OUST (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- San Francisco, CA
- SEC filer status
- Non-accelerated filer
- SEC CIK
- 1816581
- Former names
- Ouster, Inc. (until Nov 3, 2026); Colonnade Acquisition Corp. (until Mar 15, 2021)
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All 16 General Industrial Machinery & Equipment, NEC companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.