OUST Ouster, Inc.
Ouster, Inc. (OUST) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
How much of that selling was preplanned? 96% planned / 4% discretionary
Largest single sale: $1.4M.
Where they traded
Last open-market purchase: May 11, 2026 , by Boulet Virginia .
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| Pacala Charles Angus | President and CEO | Sell 10b5-1 | 30,385 | $33.96 | $1.0M | 1,041,816 −2.8% of holding | |
| Frichtl Mark | Chief Technology Officer | Sell 10b5-1 | 18,778 | $33.96 | $637.7K | 318,987 −5.6% of holding | |
| Gianella Kenneth P. | Chief Financial Officer | Sell 10b5-1 | 15,686 | $33.96 | $532.7K | 245,328 −6% of holding | |
| SPENCER DARIEN | Chief Operating Officer | Sell 10b5-1 | 12,808 | $33.96 | $435.0K | 286,998 −4.3% of holding | |
| Chung Megan | General Counsel and Secretary | Sell 10b5-1 | 11,484 | $33.96 | $390.0K | 189,291 −5.7% of holding | |
| Jacquemet Cyrille | Chief Revenue Officer | Sell | 8,896 | $33.96 | $302.1K | 105,538 −7.8% of holding | |
| Gianella Kenneth P. 4 fills | Chief Financial Officer | Sell 10b5-1 | 40,000 | $45.33 | $1.8M | 283,087 −12.4% of holding | |
| SKAGGS STEPHEN A | Director | Sell 10b5-1 | 3,614 | $45.18 | $163.3K | 61,415 −5.6% of holding | |
| SKAGGS STEPHEN A | Director | Sell 10b5-1 | 1,386 | $46.48 | $64.4K | 65,029 −2.1% of holding | |
| SPENCER DARIEN | Chief Operating Officer | Sell 10b5-1 | 30,000 | $45.00 | $1.4M | 299,806 −9.1% of holding |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.