Ouster, Inc. (OUST) Insider Trading
Over the last 3 months, OUST insiders made 3 open-market buys and 36 sales, a net sale of -$28.6M (SEC Form 4). Over the last 6 months, 200 institutions increased and 117 reduced their position (13F).
Insider Activity
Sentiment
1/100
Buys (3m)
3
Sells (3m)
36
Net (3m)
-$28.6M
Insiders buying
Insider trades by month Buys Sells
Nov
Dec
Jan
Mar
Apr
May
Context3-month price +96.4%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 27, 2026 | Frichtl Markofficer: Chief Technology Officer | Option | 50,063 | $14.22 |
| May 27, 2026 | Frichtl Markofficer: Chief Technology Officer | Sell | 35,684 | $36.39 |
| May 27, 2026 | Frichtl Markofficer: Chief Technology Officer | Sell | 40,000 | $37.16 |
| May 27, 2026 | Frichtl Markofficer: Chief Technology Officer | Sell | 19,669 | $39.16 |
| May 27, 2026 | Frichtl Markofficer: Chief Technology Officer | Sell | 76,582 | $39.94 |
| May 27, 2026 | Frichtl Markofficer: Chief Technology Officer | Sell | 70,558 | $40.90 |
| May 27, 2026 | Frichtl Markofficer: Chief Technology Officer | Sell | 48,191 | $41.99 |
| May 27, 2026 | Frichtl Markofficer: Chief Technology Officer | Sell | 45,000 | $43.00 |
| May 27, 2026 | Frichtl Markofficer: Chief Technology Officer | Sell | 3,742 | $45.00 |
| May 27, 2026 | SPENCER DARIENofficer: Chief Operating Officer | Sell | 30,000 | $45.00 |
| May 27, 2026 | Jacquemet Cyrilleofficer: Chief Revenue Officer | Sell | 9,433 | $40.00 |
| May 22, 2026 | Heystee Susandirector | Sell | 9,316 | $34.80 |
| May 21, 2026 | Jacquemet Cyrilleofficer: Chief Revenue Officer | Sell | 10,000 | $35.00 |
| May 15, 2026 | Frichtl Markofficer: Chief Technology Officer | Sell | 4,316 | $36.00 |
| May 15, 2026 | Frichtl Markofficer: Chief Technology Officer | Option | 4,316 | $14.22 |
| May 15, 2026 | Frichtl Markofficer: Chief Technology Officer | Sell | 40,000 | $35.00 |
| May 15, 2026 | Frichtl Markofficer: Chief Technology Officer | Option | 40,000 | $14.22 |
| May 15, 2026 | Frichtl Markofficer: Chief Technology Officer | Sell | 13,659 | $34.00 |
| May 15, 2026 | Frichtl Markofficer: Chief Technology Officer | Sell | 32,500 | $33.00 |
| May 15, 2026 | Frichtl Markofficer: Chief Technology Officer | Sell | 2,500 | $33.00 |
| May 15, 2026 | Frichtl Markofficer: Chief Technology Officer | Sell | 35,000 | $32.00 |
| May 15, 2026 | Frichtl Markofficer: Chief Technology Officer | Sell | 21,341 | $34.00 |
| May 15, 2026 | Frichtl Markofficer: Chief Technology Officer | Sell | 31,434 | $31.09 |
| May 15, 2026 | Frichtl Markofficer: Chief Technology Officer | Option | 21,341 | $14.22 |
| May 15, 2026 | Frichtl Markofficer: Chief Technology Officer | Option | 31,434 | $2.13 |
| May 12, 2026 | Boulet Virginiadirector | Buy | 1,050 | $25.16 |
| May 12, 2026 | Boulet Virginiadirector | Buy | 608 | $25.35 |
| May 7, 2026 | SKAGGS STEPHEN Adirector | Sell | 5,000 | $30.00 |
| May 6, 2026 | Frichtl Markofficer: Chief Technology Officer | Sell | 13,451 | $30.00 |
| May 6, 2026 | Frichtl Markofficer: Chief Technology Officer | Option | 21,149 | $2.13 |
Source: OUST SEC Form 4 filings, latest May 27, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their OUST positions over the last 6 months (SEC Form 13F).
Increased
200
New positions
82
Reduced
117
Sold out
88
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 5.3M | May 13, 2026 |
| BLACKROCK, INC. | Increased | 5.1M | Feb 12, 2026 |
| VANGUARD GROUP INC | Reduced | 4.7M | Jan 29, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 2.7M | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 1.8M | May 8, 2026 |
| STATE STREET CORP | Increased | 1.6M | May 15, 2026 |
| STATE STREET CORP | Reduced | 1.6M | Feb 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 1.5M | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 1.4M | Feb 9, 2026 |
| PENN CAPITAL MANAGEMENT COMPANY, LLC | Increased | 970K | May 7, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 905K | May 15, 2026 |
| D. E. SHAW & CO., INC. | Increased | 852K | Feb 17, 2026 |
| TAO CAPITAL MANAGEMENT LP | Unchanged | 845K | May 14, 2026 |
| TAO CAPITAL MANAGEMENT LP | Reduced | 845K | Feb 17, 2026 |
| D. E. SHAW & CO., INC. | Reduced | 842K | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.