// company-profile
Ouster, Inc. Insider Trading
OUSTEvery SEC Form 4 insider trading filing for Ouster, Inc. (OUST) — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC.
curl "https://api.form4api.com/v1/transactions?ticker=OUST" -H "X-Api-Key: YOUR_API_KEY"// activity-summary
Mixed insider activity over the last 30 days: 0 purchases and 0 sales (0 transactions total).
// 90-day insight
Over the last 90 days, Ouster, Inc. insiders bought $1.8M (19 transactions) and sold $663K (2 transactions).
- Most active insider: Frichtl Mark with 28 transactions totaling $24.0M.
- Largest single sale: $3.1M by Frichtl Mark on May 26, 2026.
- 93% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Ouster, Inc. as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 4, 2026 | SPENCER DARIEN | OUST | Sale10b5 | 30,000 | $45.00 | $1.35M |
| Jul 6, 2026 | Heystee Susan | OUST | Award | 660 | $49.83 | $33K |
| Jun 22, 2026 | Tewksbury Ted L III | OUST | Sale10b5 | 1,695 | $47.00 | $80K |
| Jun 17, 2026 | Heystee Susan | OUST | Award | 4,725 | $0.00 | $0K |
| Jun 17, 2026 | MADDOCK ERNEST E | OUST | Award | 4,725 | $0.00 | $0K |
45 more transactions hidden
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