StockCIK 1816581
Ouster, Inc. (OUST): Insider Trades and Fund Holdings
In the past 12 months, Ouster, Inc. insiders reported 0 open-market purchases worth $0 and 7 sales worth $5.14M; 6 of the sales were reported as made under a 10b5-1 trading plan.
0Insider buys, 12 months
$0Bought by insiders, 12 months
$5.14MSold by insiders, 12 months
2Tracked funds holding
Recent insider trades
Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Sep 16, 2026.
| Filed | Insider | Type | Value |
|---|---|---|---|
| Sep 16 | Charles Angus PacalaCEO | ▼ SELL10b5-1 | $1.03M |
| Sep 16 | Mark FrichtlCTO | ▼ SELL10b5-1 | $638K |
| Sep 16 | Kenneth P. GianellaCFO | ▼ SELL10b5-1 | $533K |
| Sep 16 | Darien SpencerCOO | ▼ SELL10b5-1 | $435K |
| Sep 16 | Megan ChungGeneral Counsel | ▼ SELL10b5-1 | $390K |
| Sep 16 | Cyrille JacquemetChief Revenue Officer | ▼ SELL | $302K |
| Aug 19 | Kenneth P. GianellaCFO | ▼ SELL10b5-1 | $1.81M |
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings
Insiders who traded in the past year
| Insider | Role | Buys | Bought | Sells | Sold |
|---|---|---|---|---|---|
| Charles Angus Pacala | CEO | 0 | $0 | 1 | $1.03M |
| Mark Frichtl | CTO | 0 | $0 | 1 | $638K |
| Kenneth P. Gianella | CFO | 0 | $0 | 2 | $2.35M |
| Darien Spencer | COO | 0 | $0 | 1 | $435K |
| Megan Chung | General Counsel | 0 | $0 | 1 | $390K |
| Cyrille Jacquemet | Chief Revenue Officer | 0 | $0 | 1 | $302K |
Tracked funds that report OUST
From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.
| Fund | Shares | Value | Change |
|---|---|---|---|
| Renaissance Technologies | 575,900 | $36.0M | ▲ +334.3% |
| Bridgewater Associates | 183,455 | $11.5M | ▲ New |
Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings
Reading these numbers
Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →