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 9 sales; 331 institutions reported holding it in 13F filings for Q2 2026, worth $2.22B in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Ouster, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 9 filings
- 7 insiders, $6.72M in total
- Insiders trading
- 7
- Net value
- −$6.72M
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Ouster, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Chung Megan | General Counsel and Secretary | 189,291 | Sep 16, 2026 | 9 |
| Spencer Darien | Chief Operating Officer | 286,999 | Sep 16, 2026 | 7 |
| Pacala Charles Angus | President and CEO | 1,041,816 | Sep 16, 2026 | 5 |
| Jacquemet Cyrille | Chief Revenue Officer | 105,539 | Sep 16, 2026 | 4 |
| Gianella Kenneth P. | Chief Financial Officer | 245,328 | Sep 16, 2026 | 4 |
| Frichtl Mark | Chief Technology Officer | 318,987 | Sep 16, 2026 | 15 |
| Skaggs Stephen A | Director | 61,415 | Aug 7, 2026 | 4 |
| Heystee Susan | Director | 40,479 | Jul 8, 2026 | 7 |
| Maddock Ernest E | Director | 88,902 | Jun 22, 2026 | 1 |
| Tewksbury Ted L III | Director | 124,999 | Jun 22, 2026 | 4 |
| Eyler Phillip | Director | 20,383 | Jun 22, 2026 | 2 |
| Corrreia Christina | Director | 76,415 | Jun 22, 2026 | 1 |
| Boulet Virginia | Director | 230,000 | May 12, 2026 | 2 |
| Geng Chen | Interim CFO | 68,090 | Mar 25, 2025 | 0 |
| Weinswig Mark | Chief Financial Officer | 173,960 | Dec 16, 2024 | 0 |
| Radstrom Karin | Director | 60,148 | Oct 9, 2024 | 0 |
| Slanina Kristin | Director | 46,421 | Jul 9, 2024 | 0 |
| Kantheti Krishna | 10% Owner | 2,443,226Indirect | Aug 17, 2023 | 0 |
| Banyan Venture Holdings LLC | 10% Owner | 2,443,226Indirect | Aug 17, 2023 | 0 |
| Dickerman Nathan | President of Field Operations | 104,069 | Aug 17, 2023 | 0 |
| Valani Riaz | Director | 186,254 | Feb 14, 2023 | 0 |
| Hernandez Emmanuel T | Director | 153,546 | Jan 9, 2023 | 0 |
| Trafelet Remy W | Director | 1,661,450 | Jan 9, 2023 | 0 |
| Mitra Sundari | Director | 139,313 | Jan 9, 2023 | 0 |
| Brunelle Anna S. | Chief Financial Officer | 2,320,623 | Dec 20, 2022 | 0 |
| Dolinko Adam | SEE REMARKS | 714,848 | Dec 14, 2022 | 0 |
| Del Calvo Jorge A | Director | 133,946 | Oct 7, 2022 | 0 |
| McIntyre Shauna | Pres. of Ouster Automotive | 1,572,249 | Oct 26, 2021 | 0 |
| Pasek Myra | See Remarks | – | Jul 14, 2021 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 16, 2025 (view filing) | Sep 12 | 4 days | Chung MeganGeneral Counsel and Secretary | SSale | −17.2K | $28.46 | −$489.0K | −7.8%203.0K after | |
| Aug 15, 2025 (view filing) | Aug 13 | 2 days | Heystee SusanDirector | SSale | −40.4K | $30.00 | −$1.21M | −43.6%52.3K after | |
| Jun 16, 2025 (view filing) | Jun 12 | 4 days | Chung MeganGeneral Counsel and Secretary | SSale | −2.83K | $18.76 | −$53.1K | −1.3%220.2K after | |
| Jun 16, 2025 (view filing) | Jun 12 | 4 days | Spencer DarienChief Operating Officer | SSale | −3.23K | $18.76 | −$60.5K | −0.9%364.4K after | |
| Mar 28, 2025 (view filing) | Mar 26 | 2 days | Chung MeganGeneral Counsel and Secretary | SSale | −5.80K | $11.24 | −$65.2K | −2.6%220.8K after | 10b5-1 |
| Mar 18, 2025 (view filing) | Mar 17 | 1 day | Spencer DarienChief Operating Officer | SSale | −249 | $8.02 | −$2.00K | −0.1%286.7K after | |
| Mar 14, 2025 (view filing) | Mar 12 | 2 days | Geng ChenInterim CFO | SSale | −3.05K | $7.63 | −$23.3K | −7.4%38.1K after | |
| Mar 14, 2025 (view filing) | Mar 12 | 2 days | Chung MeganGeneral Counsel and Secretary | SSale | −3.08K | $7.63 | −$23.5K | −2.1%146.6K after | |
| Mar 14, 2025 (view filing) | Mar 12 | 2 days | Spencer DarienChief Operating Officer | SSale | −4.49K | $7.63 | −$34.3K | −1.5%287.0K after | |
| Dec 18, 2024 (view filing) | Dec 16 | 2 days | Spencer DarienChief Operating Officer | SSale | −248 | $9.08 | −$2.25K | −0.1%291.5K after | |
| Dec 16, 2024 (view filing) | Dec 12 | 4 days | Chung MeganGeneral Counsel and Secretary | SSale | −13.7K | $9.69 | −$132.5K | −8.4%149.6K after | |
| Dec 16, 2024 (view filing) | Dec 12 | 4 days | Weinswig MarkChief Financial Officer | SSale | −19.7K | $9.69 | −$191.0K | −10.2%174.0K after | |
| Dec 16, 2024 (view filing) | Dec 12 | 4 days | Frichtl MarkChief Technology Officer | PPurchase | +5.04K | $9.78 | +$49.3K | +1.0%513.1K after | 2 lots |
| Dec 16, 2024 (view filing) | Dec 12 | 4 days | Pacala Charles AngusPresident and CEO | PPurchase | +51.0K | $9.79 | +$498.9K | +7.1%770.0K after | 2 lots |
| Dec 16, 2024 (view filing) | Dec 12 | 4 days | Spencer DarienChief Operating Officer | SSale | −14.9K | $9.69 | −$144.1K | −4.8%291.7K after | |
| Dec 3, 2024 (view filing) | Nov 29 | 4 days | Weinswig MarkChief Financial Officer | SSale | −518 | $9.70 | −$5.02K | −0.3%193.7K after | |
| Nov 22, 2024 (view filing) | Nov 20-21 | 2 days | Weinswig MarkChief Financial Officer | SSale | −35.9K | $8.75 | −$313.8K | −15.6%194.2K after | 3 lots10b5-1 |
| Sep 18, 2024 (view filing) | Sep 17 | 1 day | Spencer DarienChief Operating Officer | SSale | −263 | $6.36 | −$1.67K | −0.1%305.6K after | |
| Sep 16, 2024 (view filing) | Sep 12 | 4 days | Weinswig MarkChief Financial Officer | SSale | −2.54K | $6.16 | −$15.6K | −1.1%227.0K after | |
| Sep 16, 2024 (view filing) | Sep 12 | 4 days | Chung MeganGeneral Counsel and Secretary | SSale | −2.64K | $6.16 | −$16.3K | −1.6%160.7K after | |
| Sep 16, 2024 (view filing) | Sep 12 | 4 days | Spencer DarienChief Operating Officer | SSale | −3.84K | $6.16 | −$23.7K | −1.2%305.9K after | |
| Aug 30, 2024 (view filing) | Aug 29 | 1 day | Weinswig MarkChief Financial Officer | SSale | −519 | $7.35 | −$3.81K | −0.2%229.6K after | |
| Aug 19, 2024 (view filing) | Aug 16 | 3 days | Maddock Ernest EDirector | PPurchase | +8.00K | $7.79 | +$62.3K | +13.1%69.1K after | |
| Aug 19, 2024 (view filing) | Aug 16 | 3 days | Boulet VirginiaDirector | PPurchase | +10.0K | $7.82 | +$78.2K | +5.0%208.3K after | |
| Aug 19, 2024 (view filing) | Aug 16 | 3 days | Heystee SusanDirector | SSale | −6.40K | $7.83 | −$50.1K | −5.5%111.0K after | |
| Jun 20, 2024 (view filing) | Jun 18 | 2 days | Spencer DarienChief Operating Officer | SSale | −248 | $10.87 | −$2.70K | −0.1%309.7K after | |
| Jun 17, 2024 (view filing) | Jun 13 | 4 days | Boulet VirginiaDirector | PPurchase | +10.0K | $10.30 | +$103.0K | +5.8%183.1K after | Amended |
| Jun 13, 2024 (view filing) | Jun 12 | 1 day | Spencer DarienChief Operating Officer | SSale | −3.84K | $11.14 | −$42.7K | −1.2%310.0K after | |
| Jun 13, 2024 (view filing) | Jun 12 | 1 day | Chung MeganGeneral Counsel and Secretary | SSale | −2.64K | $11.14 | −$29.4K | −1.6%163.4K after | |
| Jun 13, 2024 (view filing) | Jun 12 | 1 day | Weinswig MarkChief Financial Officer | SSale | −2.54K | $11.14 | −$28.2K | −1.1%230.1K after | |
| May 30, 2024 (view filing) | May 29 | 1 day | Weinswig MarkChief Financial Officer | SSale | −7.16K | $11.72 | −$83.9K | −3.0%232.6K after | |
| May 16, 2024 (view filing) | May 15 | 1 day | Boulet VirginiaDirector | PPurchase | +10.0K | $12.20 | +$122.0K | +6.1%173.1K after | |
| May 16, 2024 (view filing) | May 15 | 1 day | Frichtl MarkChief Technology Officer | PPurchase | +8.00K | $12.34 | +$98.7K | +1.6%505.1K after | |
| May 16, 2024 (view filing) | May 15 | 1 day | Pacala Charles AngusPresident and CEO | PPurchase | +16.0K | $12.33 | +$197.3K | +2.3%716.9K after | |
| Apr 4, 2024 (view filing) | Apr 2 | 2 days | Weinswig MarkChief Financial Officer | SSale | −20.0K | $9.35 | −$186.9K | −7.8%236.8K after | 2 lots10b5-1 |
| Apr 2, 2024 (view filing) | Apr 1 | 1 day | Chung MeganGeneral Counsel and Secretary | SSale | −5.78K | $7.96 | −$46.0K | −3.4%164.0K after | |
| Mar 19, 2024 (view filing) | Mar 18 | 1 day | Spencer DarienChief Operating Officer | SSale | −286 | $4.84 | −$1.38K | −0.1%252.9K after | |
| Mar 13, 2024 (view filing) | Mar 12 | 1 day | Spencer DarienChief Operating Officer | SSale | −4.66K | $5.13 | −$23.9K | −1.8%253.2K after | |
| Mar 13, 2024 (view filing) | Mar 12 | 1 day | Weinswig MarkChief Financial Officer | SSale | −3.08K | $5.13 | −$15.8K | −1.7%173.7K after | |
| Mar 13, 2024 (view filing) | Mar 12 | 1 day | Chung MeganGeneral Counsel and Secretary | SSale | −3.20K | $5.13 | −$16.4K | −3.3%93.8K after | |
| Mar 4, 2024 (view filing) | Feb 29 | 4 days | Weinswig MarkChief Financial Officer | SSale | −597 | $5.43 | −$3.24K | −0.3%176.8K after | |
| Dec 19, 2023 (view filing) | Dec 18 | 1 day | Spencer DarienChief Operating Officer | SSale | −241 | $6.85 | −$1.65K | −0.1%257.8K after | |
| Dec 13, 2023 (view filing) | Dec 12 | 1 day | Weinswig MarkChief Financial Officer | SSale | −2.46K | $5.98 | −$14.7K | −1.4%177.4K after | |
| Dec 13, 2023 (view filing) | Dec 12 | 1 day | Spencer DarienChief Operating Officer | SSale | −3.73K | $5.98 | −$22.3K | −1.4%258.1K after | |
| Dec 13, 2023 (view filing) | Dec 12 | 1 day | Chung MeganGeneral Counsel and Secretary | SSale | −2.56K | $5.98 | −$15.3K | −2.6%97.0K after | |
| Nov 30, 2023 (view filing) | Nov 29 | 1 day | Weinswig MarkChief Financial Officer | SSale | −504 | $5.26 | −$2.65K | −0.3%179.8K after | |
| Nov 30, 2023 (view filing) | Nov 30 | Same day | Boulet VirginiaDirector | PPurchase | +10.0K | $5.24 | +$52.4K | +6.5%163.1K after | |
| Nov 16, 2023 (view filing) | Nov 15 | 1 day | Maddock Ernest EDirector | PPurchase | +7.00K | $5.29 | +$37.0K | +18.0%45.9K after | |
| Sep 19, 2023 (view filing) | Sep 18 | 1 day | Spencer DarienChief Operating Officer | SSale | −243 | $4.65 | −$1.13K | −0.1%261.8K after | |
| Sep 19, 2023 (view filing) | Sep 15 | 4 days | Boulet VirginiaDirector | PPurchase | +10.0K | $4.68 | +$46.8K | +7.0%153.1K after |