14 insiders reported 124 Form 4 transactions for Ouster, Inc. (OUST) over the past 18 months (most recent 2026-09-16). Recent activity: Gianella Kenneth P. (Chief Financial Officer) Sell 15,686 shares, Frichtl Mark (Chief Technology Officer) Sell 18,778 shares, Pacala Charles Angus (President and CEO) Sell 30,385 shares, SPENCER DARIEN (Chief Operating Officer) Sell 12,808 shares, Jacquemet Cyrille (Chief Revenue Officer) Sell 8,896 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-16 | Gianella Kenneth P. | Chief Financial Officer | Sell | 15,686 | $532,682 |
| 2026-09-16 | Frichtl Mark | Chief Technology Officer | Sell | 18,778 | $637,691 |
| 2026-09-16 | Pacala Charles Angus | President and CEO | Sell | 30,385 | $1.0M |
| 2026-09-16 | SPENCER DARIEN | Chief Operating Officer | Sell | 12,808 | $434,953 |
| 2026-09-16 | Jacquemet Cyrille | Chief Revenue Officer | Sell | 8,896 | $302,093 |
| 2026-09-16 | Chung Megan | General Counsel and Secretary | Sell | 11,484 | $389,993 |
| 2026-09-10 | Chung Megan | General Counsel and Secretary | Sell | 2,084 | $0 |
| 2026-09-04 | Frichtl Mark | Chief Technology Officer | Sell | 38,745 | $0 |
| 2026-08-28 | Frichtl Mark | Chief Technology Officer | Buy | 100,000 | $1.4M |
| 2026-08-19 | Gianella Kenneth P. | Chief Financial Officer | Sell | 508 | $23,919 |
| 2026-08-19 | Gianella Kenneth P. | Chief Financial Officer | Sell | 17,927 | $800,417 |
| 2026-08-19 | Gianella Kenneth P. | Chief Financial Officer | Sell | 13,364 | $608,387 |
| 2026-08-19 | Gianella Kenneth P. | Chief Financial Officer | Sell | 8,201 | $380,555 |
| 2026-08-07 | SKAGGS STEPHEN A | Director | Sell | 1,386 | $64,421 |
| 2026-08-07 | SKAGGS STEPHEN A | Director | Sell | 3,614 | $163,281 |
| 2026-08-05 | SPENCER DARIEN | Chief Operating Officer | Sell | 30,000 | $1.4M |
| 2026-07-08 | Heystee Susan | Director | Buy | 660 | $32,888 |
| 2026-06-22 | Tewksbury Ted L III | Director | Buy | 4,725 | $0 |
| 2026-06-22 | Tewksbury Ted L III | Director | Sell | 1,695 | $79,665 |
| 2026-06-22 | MADDOCK ERNEST E | Director | Buy | 4,725 | $0 |
| 2026-06-22 | Eyler Phillip | Director | Buy | 4,725 | $0 |
| 2026-06-22 | Heystee Susan | Director | Buy | 4,725 | $0 |
| 2026-06-22 | SKAGGS STEPHEN A | Director | Buy | 4,725 | $0 |
| 2026-06-22 | Correia Christina | Director | Buy | 4,725 | $0 |
| 2026-06-16 | SPENCER DARIEN | Chief Operating Officer | Sell | 12,559 | $487,540 |
Source: SEC Form 4 filings · as of 2026-09-16