Ouster, Inc.
OUST- Exchange
- Nasdaq
- Industry
- General Industrial Machinery & Equipment, NEC
- SEC CIK
- 0001816581
In the last 90 days, Ouster, Inc. insiders filed 0 open-market purchases and 8 sales; 334 institutions reported holding it in 13F filings for Q2 2026, worth $2.22B in total; no superinvestor holds it.
Holders of 5% or more of OUST
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Ouster, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 8.50%5.42M shares | +1.10 ppfrom 7.40% | Oct 22, 20244 filings | Jul 29, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 5.00%3.61M shares | New | Oct 30, 20261 filing | Oct 30, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
32 Schedule 13D and 13G filings on Ouster, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Oct 30, 202612:36 PM ET | Vanguard Capital Management LLC | 13G | 5.00%3.61M shares | New | Sep 30, 2026 | SEC |
| Jul 29, 20263:19 PM ET | BlackRock, Inc. | 13G/A | 8.50%5.42M shares | +1.10 ppfrom 7.40% | Jun 30, 2026 | SEC |
| Mar 27, 202611:20 AM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Jan 21, 202612:30 PM ET | BlackRock, Inc. | 13G/A | 7.40%4.43M shares | – | Dec 31, 2025 | SEC |
| Nov 12, 2024 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Nov 8, 2024 | BlackRock, Inc. | 13GOld format | – | – | – | SEC |
| Nov 4, 2024 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Nov 4, 2024 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Oct 22, 2024 | BlackRock, Inc. | 13GOld format | – | New | – | SEC |
| Sep 19, 2024 | Kantheti Krishna | 13G/AOld format | – | – | – | SEC |
| Feb 13, 2024 | Vanguard Group Inc | 13GOld format | – | – | – | SEC |
| Feb 12, 2024 | Tao Capital Management LP | 13G/AOld format | – | – | – | SEC |
| Aug 17, 2023 | Kantheti Krishna | 13G/AOld format | – | – | – | SEC |
| Apr 6, 20239:29 AM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 23, 20236:06 AM ET | Baidu, Inc. | 13GOld format | – | New | – | SEC |
| Feb 10, 2023 | Tao Capital Management LP | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2023 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 3, 202312:10 PM ET | BlackRock Inc. | 13GOld format | – | New | – | SEC |
| Feb 22, 2022 | Goldfield Jacob | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2022 | Tao Capital Management LP | 13GOld format | – | New | – | SEC |
| Feb 11, 2022 | Kantheti Krishna | 13G/AOld format | – | – | – | SEC |
| Feb 11, 2022 | EJF Capital LLC | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2022 | Vanguard Group Inc | 13GOld format | – | New | – | SEC |
| Sep 3, 2021 | Goldfield Jacob | 13GOld format | – | – | – | SEC |
| Sep 3, 2021 | Goldfield Jacob | 13D/AOld format | – | – | – | SEC |
| Mar 23, 2021 | Goldfield Jacob | 13DOld format | – | New | – | SEC |
| Mar 22, 2021 | Cox Investment Holdings, Inc. | 13GOld format | – | New | – | SEC |
| Mar 18, 2021 | Kantheti Krishna | 13GOld format | – | New | – | SEC |
| Mar 18, 2021 | OIG Ouster IV, LLC | 13GOld format | – | New | – | SEC |
| Mar 11, 2021 | EJF Capital LLC | 13G/AOld format | – | – | – | SEC |
| Feb 12, 2021 | EJF Capital LLC | 13G/AOld format | – | – | – | SEC |
| Jan 11, 2021 | Glazer Capital, LLC | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
101 notices from officers, directors and other affiliates planning to sell Ouster, Inc. shares, newest first.
| Filed (ET) | Seller | Shares to sell | Market value | Planned sale | Broker | Filing |
|---|---|---|---|---|---|---|
| Nov 10, 20264:03 PM ET | Susan HeysteeDirector | 7.55K | $282.7K | Nov 10, 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Nov 6, 20266:04 PM ET | Stephen SkaggsDirector | 5.00K | $170.0K | Nov 6, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Sep 11, 20269:29 PM ET | Frichtl MarkOfficer | 20.4K | $763.0K | Sep 11, 202610b5-1 | ETRADE FINANCIAL CORPORATION | SEC |
| Sep 11, 20269:20 PM ET | Chung MeganOfficer | 12.4K | $466.6K | Sep 11, 202610b5-1 | ETRADE FINANCIAL CORPORATION | SEC |
| Sep 11, 20269:11 PM ET | Spencer DarienOfficer | 13.9K | $520.4K | Sep 11, 202610b5-1 | ETRADE FINANCIAL CORPORATION | SEC |
| Sep 11, 20269:07 PM ET | Jacquemet CyrilleOfficer | 9.64K | $361.5K | Sep 11, 2026 | ETRADE FINANCIAL CORPORATION | SEC |
| Sep 11, 20269:02 PM ET | Pacala Charles AngusOfficer · Director | 32.9K | $1.23M | Sep 11, 202610b5-1 | ETRADE FINANCIAL CORPORATION | SEC |
| Sep 11, 20268:55 PM ET | Gianella Kenneth P.Officer | 17.0K | $637.4K | Sep 11, 202610b5-1 | ETRADE FINANCIAL CORPORATION | SEC |
| Aug 18, 20264:04 PM ET | Kenneth GianellaOfficer | 40.0K | $1.81M | Aug 18, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Aug 6, 20264:03 PM ET | Stephen SkaggsDirector | 3.61K | $163.3K | Aug 6, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Aug 5, 20264:13 PM ET | Stephen SkaggsDirector | 1.39K | $64.4K | Aug 5, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Aug 4, 20264:18 PM ET | Darien R SpencerOfficer | 30.0K | $1.35M | Aug 4, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jun 22, 20264:01 PM ET | Theodore Tewksbury IIIDirector | 1.70K | $79.7K | Jun 22, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| May 26, 20264:44 PM ET | Mark FrichtlOfficer | 268.7K | $9.95M | May 26, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| May 26, 20264:08 PM ET | Darien R SpencerOfficer | 30.0K | $1.35M | May 26, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| May 26, 20264:04 PM ET | Cyrille JacquemetOfficer | 9.43K | $377.3K | May 26, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| May 22, 20264:33 PM ET | Mark FrichtlOfficer | 115.7K | $4.06M | May 22, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| May 21, 20264:16 PM ET | Susan HeysteeDirector | 9.32K | $324.2K | May 21, 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| May 20, 20267:12 PM ET | Cyrille JacquemetOfficer | 10.0K | $350.0K | May 14, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| May 15, 20264:30 PM ET | Mark FrichtlOfficer | 4.32K | $150.5K | May 15, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| May 14, 20264:25 PM ET | Mark FrichtlOfficer | 40.0K | $1.37M | May 14, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| May 13, 20264:21 PM ET | Mark FrichtlOfficer | 136.4K | $3.70M | May 13, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| May 5, 20264:15 PM ET | Stephen SkaggsDirector | 5.00K | $150.0K | May 5, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| May 4, 20264:33 PM ET | Mark FrichtlOfficer | 34.6K | $915.2K | May 4, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Apr 22, 20264:22 PM ET | Mark FrichtlOfficer | 400 | $11.0K | Apr 22, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
Showing the latest 25. See the OUST notices from the last 12 months