OUST
Ouster, Inc.
General Industrial Machinery & Equipment, NECNasdaqNon-accelerated filer<br>Smaller reporting company
Total Trades
81
Buys
13
Sells
65
Largest Trade
N/A
Insiders
14
Institutional Funds
181
Inst. Value
$1M+
Activist Filings
18
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Chung Megan | General Counsel an… | SELL | $100K–$500K | 6K | $27.24 | Jan 22, 2026 |
| Tewksbury Ted L III | Director | SELL | $15K–$50K | 2K | $21.47 | Dec 23, 2025 |
| Heystee Susan | Director | SELL | $100K–$500K | 12K | $25.03 | Dec 16, 2025 |
| Frichtl Mark | CTO | SELL | $100K–$500K | 16K | $24.98 | Dec 16, 2025 |
| SPENCER DARIEN | COO | SELL | $100K–$500K | 11K | $24.98 | Dec 16, 2025 |
| Pacala Charles Angus | President and CEO | SELL | $500K+ | 25K | $24.98 | Dec 16, 2025 |
| Chung Megan | General Counsel an… | SELL | $100K–$500K | 11K | $24.98 | Dec 16, 2025 |
| Tewksbury Ted L III | Director | SELL | $15K–$50K | 2K | $25.38 | Nov 13, 2025 |
| Chung Megan | General Counsel an… | SELL | $100K–$500K | 6K | $31.02 | Oct 20, 2025 |
| SPENCER DARIEN | COO | SELL | $500K+ | 18K | $28.46 | Sep 16, 2025 |
| Frichtl Mark | CTO | SELL | $500K+ | 25K | $28.46 | Sep 16, 2025 |
| Pacala Charles Angus | President and CEO | SELL | $1M+ | 38K | $28.46 | Sep 16, 2025 |
| Chung Megan | General Counsel an… | SELL | $100K–$500K | 17K | $28.46 | Sep 16, 2025 |
| Chung Megan | General Counsel an… | SELL | $50K–$100K | 3K | $18.76 | Jun 16, 2025 |
| SPENCER DARIEN | COO | SELL | $50K–$100K | 3K | $18.76 | Jun 16, 2025 |
| Chung Megan | General Counsel an… | SELL | $50K–$100K | 6K | $11.24 | Mar 28, 2025 |
| SPENCER DARIEN | COO | SELL | $1K–$15K | 249 | $8.02 | Mar 18, 2025 |
| Geng Chen | Interim CFO | SELL | $15K–$50K | 3K | $7.63 | Mar 14, 2025 |
| Chung Megan | General Counsel an… | SELL | $15K–$50K | 3K | $7.63 | Mar 14, 2025 |
| SPENCER DARIEN | COO | SELL | $15K–$50K | 4K | $7.63 | Mar 14, 2025 |
| WEINSWIG MARK | CFO | SELL | $1K–$15K | 518 | $9.70 | Dec 3, 2024 |
| WEINSWIG MARK | CFO | SELL | $100K–$500K | 36K | $8.75 | Nov 22, 2024 |
| WEINSWIG MARK | CFO | SELL | $1K–$15K | 519 | $7.35 | Aug 30, 2024 |
| MADDOCK ERNEST E | Director | BUY | $50K–$100K | 8K | $7.79 | Aug 19, 2024 |
| BOULET VIRGINIA | Director | BUY | $50K–$100K | 10K | $7.82 | Aug 19, 2024 |
| Heystee Susan | Director | SELL | $50K–$100K | 6K | $7.83 | Aug 19, 2024 |
| SPENCER DARIEN | COO | SELL | $1K–$15K | 248 | $10.87 | Jun 20, 2024 |
| BOULET VIRGINIA | Director | BUY | $100K–$500K | 10K | $10.30 | Jun 14, 2024 |
| SPENCER DARIEN | COO | SELL | $15K–$50K | 4K | $11.14 | Jun 13, 2024 |
| Chung Megan | General Counsel an… | SELL | $15K–$50K | 3K | $11.14 | Jun 13, 2024 |
| WEINSWIG MARK | CFO | SELL | $15K–$50K | 3K | $11.14 | Jun 13, 2024 |
| WEINSWIG MARK | CFO | SELL | $50K–$100K | 7K | $11.72 | May 30, 2024 |
| WEINSWIG MARK | CFO | SELL | $100K–$500K | 20K | $9.35 | Apr 4, 2024 |
| Chung Megan | General Counsel an… | GRANT | N/A | 76K | — | Apr 2, 2024 |
| Chung Megan | General Counsel an… | SELL | $15K–$50K | 6K | $7.96 | Apr 2, 2024 |
| WEINSWIG MARK | CFO | SELL | $1K–$15K | 597 | $5.43 | Mar 4, 2024 |
| WEINSWIG MARK | CFO | SELL | $1K–$15K | 504 | $5.26 | Nov 30, 2023 |
| BOULET VIRGINIA | Director | BUY | $50K–$100K | 10K | $5.24 | Nov 30, 2023 |
| MADDOCK ERNEST E | Director | BUY | $15K–$50K | 7K | $5.29 | Nov 16, 2023 |
| SPENCER DARIEN | COO | SELL | $1K–$15K | 243 | $4.65 | Sep 19, 2023 |
| BOULET VIRGINIA | Director | BUY | $15K–$50K | 10K | $4.68 | Sep 19, 2023 |
| Chung Megan | General Counsel an… | SELL | $1K–$15K | 3K | $4.81 | Sep 13, 2023 |
| SPENCER DARIEN | COO | SELL | $15K–$50K | 4K | $4.81 | Sep 13, 2023 |
| WEINSWIG MARK | CFO | SELL | $1K–$15K | 3K | $4.81 | Sep 13, 2023 |
| WEINSWIG MARK | CFO | SELL | $1K–$15K | 504 | $5.60 | Aug 30, 2023 |
| BOULET VIRGINIA | Director | BUY | $100K–$500K | 42K | $5.77 | Aug 28, 2023 |
| BOULET VIRGINIA | Director | BUY | $100K–$500K | 30K | $5.89 | Aug 24, 2023 |
| MADDOCK ERNEST E | Director | BUY | $15K–$50K | 7K | $6.02 | Aug 22, 2023 |
| Dickerman Nathan | President of Field… | SELL | $50K–$100K | 9K | $6.23 | Aug 18, 2023 |
| Kantheti Krishna | 10% Owner | SELL | $500K+ | 114K | $6.76 | Aug 17, 2023 |
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Institutional Ownership
13F filings as of Dec 31, 2025 · 181 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| STATE STREET CORP | 1.6M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 1.2M | $1M+ | SH |
| Penn Capital Management Company, LLC | 775K | $1M+ | SH |
| Handelsbanken Fonder AB | 716K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 487K | $1M+ | SH |
| NEW YORK STATE COMMON RETIREMENT FUND | 480K | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 418K | $1M+ | SH |
| PEAK6 LLC | 411K | $1M+ | SH (Call) |
| Squarepoint Ops LLC | 402K | $1M+ | SH |
| VANGUARD GROUP INC | 401K | $1M+ | SH |
| LORD, ABBETT & CO. LLC | 283K | $1M+ | SH |
| SG Americas Securities, LLC | 277K | $1M+ | SH |
| FIRST TRUST ADVISORS LP | 249K | $1M+ | SH |
| HERALD INVESTMENT MANAGEMENT Ltd | 200K | $1M+ | SH |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 181K | $1M+ | SH |
| TUDOR INVESTMENT CORP ET AL | 157K | $1M+ | SH |
| Portolan Capital Management, LLC | 145K | $1M+ | SH |
| PANAGORA ASSET MANAGEMENT INC | 124K | $1M+ | SH |
| DEUTSCHE BANK AG\ | 121K | $1M+ | SH |
| BlackRock, Inc. | 116K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Jan 21, 2026
7.4%
4.4M shares
SC 13G/A · Nov 12, 2024
7.2%
3.5M shares
SC 13G · Nov 8, 2024
6.4%
3.1M shares
SC 13G/A · Nov 4, 2024
7.2%
3.5M shares
SC 13G/A · Nov 4, 2024
7.2%
3.5M shares
SC 13G · Oct 22, 2024
6.4%
3.1M shares
SC 13G/A · Sep 19, 2024
0.2%
102K shares
The Vanguard Group - 23-1945930
SC 13G · Feb 13, 2024
5.3%
2.2M shares
SC 13G/A · Feb 13, 2024
2.8%
1.1M shares
SC 13G/A · Aug 17, 2023
6.2%
2.4M shares
SC 13G/A · Apr 6, 2023
5.0%
19.3M shares
SC 13G · Feb 23, 2023
3.4%
12.7M shares
SC 13G/A · Feb 10, 2023
6.1%
11.3M shares
SC 13G · Feb 3, 2023
5.1%
9.4M shares
SC 13G/A · Feb 18, 2022
4.7%
8.1M shares
SC 13G · Feb 14, 2022
6.6%
11.3M shares
SC 13G/A · Feb 11, 2022
14.9%
25.6M shares
SC 13G/A · Feb 11, 2022
0.0%
0 shares