The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 4, 2026 | Spencer Darien | Chief Operating Officer | Sell(S) | 30K | $45.00 | $1.4M |
| Jul 6, 2026 | Heystee Susan | Director | Grant(A) | 660 | $49.83 | $33K |
| Jun 22, 2026 | Tewksbury Ted L III | Director | Sell(S) | 2K | $47.00 | $80K |
| Jun 17, 2026 | Eyler Phillip | Director | Grant(A) | 5K | — | $0 |
| Jun 17, 2026 | Maddock Ernest E | Director | Grant(A) | 5K | — | $0 |
| Jun 17, 2026 | Tewksbury Ted L III | Director | Grant(A) | 5K | — | $0 |
| Jun 17, 2026 | Heystee Susan | Director | Grant(A) | 5K | — | $0 |
| Jun 17, 2026 | Correia Christina | Director | Grant(A) | 5K | — | $0 |
| Jun 17, 2026 | Skaggs Stephen A | Director | Grant(A) | 5K | — | $0 |
| Jun 12, 2026 | Jacquemet Cyrille | Chief Revenue Officer | Sell(S) | 9K | $38.82 | $339K |
| Jun 12, 2026 | Spencer Darien | Chief Operating Officer | Sell(S) | 13K | $38.82 | $488K |
| Jun 12, 2026 | Chung Megan | General Counsel and Secretary | Sell(S) | 11K | $38.82 | $437K |
| Jun 12, 2026 | Gianella Kenneth P. | Chief Financial Officer | Sell(S) | 54K | $38.82 | $2.1M |
| Jun 12, 2026 | Pacala Charles Angus | President and CEO, Director | Sell(S) | 30K | $38.82 | $1.2M |
| Jun 12, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 18K | $38.82 | $715K |
| May 26, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 20K | $39.16 | $770K |
| May 26, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 77K | $39.94 | $3.1M |
| May 26, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 71K | $40.90 | $2.9M |
| May 26, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 48K | $41.99 | $2.0M |
| May 26, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 45K | $43.00 | $1.9M |
| May 26, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 45K | $44.00 | $2.0M |
| May 26, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 4K | $45.00 | $168K |
| May 26, 2026 | Jacquemet Cyrille | Chief Revenue Officer | Sell(S) | 9K | $40.00 | $377K |
| May 26, 2026 | Spencer Darien | Chief Operating Officer | Sell(S) | 30K | $45.00 | $1.4M |
| May 22, 2026 | Frichtl Mark | Chief Technology Officer | Option exercise(M) | 50K | $14.22 | $712K |
| May 22, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 36K | $36.39 | $1.3M |
| May 22, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 40K | $37.16 | $1.5M |
| May 22, 2026 | Frichtl Mark | Chief Technology Officer | Option exercise(M) | 50K | — | $0 |
| May 21, 2026 | Heystee Susan | Director | Sell(S) | 9K | $34.81 | $324K |
| May 15, 2026 | Frichtl Mark | Chief Technology Officer | Option exercise(M) | 4K | $14.22 | $61K |
| May 15, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 4K | $36.00 | $155K |
| May 15, 2026 | Frichtl Mark | Chief Technology Officer | Option exercise(M) | 4K | — | $0 |
| May 14, 2026 | Frichtl Mark | Chief Technology Officer | Option exercise(M) | 40K | $14.22 | $569K |
| May 14, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 40K | $35.00 | $1.4M |
| May 14, 2026 | Frichtl Mark | Chief Technology Officer | Option exercise(M) | 40K | — | $0 |
| May 14, 2026 | Jacquemet Cyrille | Chief Revenue Officer | Sell(S) | 10K | $35.00 | $350K |
| May 13, 2026 | Frichtl Mark | Chief Technology Officer | Option exercise(M) | 31K | $2.13 | $67K |
| May 13, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 31K | $31.09 | $977K |
| May 13, 2026 | Frichtl Mark | Chief Technology Officer | Option exercise(M) | 21K | $14.22 | $303K |
| May 13, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 21K | $34.00 | $726K |
| May 13, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 35K | $32.00 | $1.1M |
| May 13, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 3K | $33.00 | $83K |
| May 13, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 33K | $33.00 | $1.1M |
| May 13, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 14K | $34.00 | $464K |
| May 13, 2026 | Frichtl Mark | Chief Technology Officer | Option exercise(M) | 31K | — | $0 |
| May 13, 2026 | Frichtl Mark | Chief Technology Officer | Option exercise(M) | 21K | — | $0 |
| May 11, 2026 | Boulet Virginia | Director | Buy(P) | 608 | $25.35 | $15K |
| May 11, 2026 | Boulet Virginia | Director | Buy(P) | 1K | $25.16 | $26K |
| May 5, 2026 | Frichtl Mark | Chief Technology Officer | Option exercise(M) | 13K | $2.13 | $29K |
| May 5, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 13K | $30.00 | $404K |
| May 5, 2026 | Frichtl Mark | Chief Technology Officer | Option exercise(M) | 13K | — | $0 |
| May 5, 2026 | Skaggs Stephen A | Director | Sell(S) | 5K | $30.00 | $150K |
| May 4, 2026 | Frichtl Mark | Chief Technology Officer | Option exercise(M) | 21K | $2.13 | $45K |
| May 4, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 21K | $30.13 | $637K |
| May 4, 2026 | Frichtl Mark | Chief Technology Officer | Option exercise(M) | 21K | — | $0 |
| Apr 22, 2026 | Frichtl Mark | Chief Technology Officer | Option exercise(M) | 400 | $2.13 | $852 |
| Apr 22, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 400 | $30.00 | $12K |
| Apr 22, 2026 | Frichtl Mark | Chief Technology Officer | Option exercise(M) | 400 | — | $0 |
| Apr 21, 2026 | Frichtl Mark | Chief Technology Officer | Option exercise(M) | 60K | $2.13 | $128K |
| Apr 21, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 30K | $28.11 | $843K |
| Apr 21, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 30K | $29.02 | $871K |
| Apr 21, 2026 | Frichtl Mark | Chief Technology Officer | Option exercise(M) | 60K | — | $0 |
| Apr 21, 2026 | Skaggs Stephen A | Director | Sell(S) | 5K | $28.00 | $140K |
| Apr 20, 2026 | Frichtl Mark | Chief Technology Officer | Option exercise(M) | 60K | $2.13 | $128K |
| Apr 20, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 30K | $26.08 | $783K |
| Apr 20, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 30K | $27.08 | $812K |
| Apr 20, 2026 | Frichtl Mark | Chief Technology Officer | Option exercise(M) | 60K | — | $0 |
| Apr 17, 2026 | Frichtl Mark | Chief Technology Officer | Option exercise(M) | 30K | $2.13 | $64K |
| Apr 17, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 30K | $25.15 | $754K |
| Apr 17, 2026 | Frichtl Mark | Chief Technology Officer | Option exercise(M) | 30K | — | $0 |
| Apr 16, 2026 | Chung Megan | General Counsel and Secretary | Sell(S) | 6K | $24.70 | $144K |
| Apr 15, 2026 | Frichtl Mark | Chief Technology Officer | Option exercise(M) | 20K | $2.13 | $43K |
| Apr 15, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 20K | $24.00 | $480K |
| Apr 15, 2026 | Frichtl Mark | Chief Technology Officer | Option exercise(M) | 20K | — | $0 |
| Apr 14, 2026 | Frichtl Mark | Chief Technology Officer | Option exercise(M) | 40K | $2.13 | $85K |
| Apr 14, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 40K | $22.76 | $910K |
| Apr 14, 2026 | Frichtl Mark | Chief Technology Officer | Option exercise(M) | 40K | — | $0 |
| Apr 12, 2026 | Pacala Charles Angus | President and CEO, Director | Grant(A) | 138K | — | $0 |
| Apr 11, 2026 | Chung Megan | General Counsel and Secretary | Grant(A) | 46K | — | $0 |
| Apr 11, 2026 | Frichtl Mark | Chief Technology Officer | Grant(A) | 75K | — | $0 |
| Apr 11, 2026 | Spencer Darien | Chief Operating Officer | Grant(A) | 46K | — | $0 |
| Apr 11, 2026 | Gianella Kenneth P. | Chief Financial Officer | Grant(A) | 55K | — | $0 |
| Apr 6, 2026 | Heystee Susan | Director | Grant(A) | 1K | $19.31 | $28K |
| Mar 25, 2026 | Frichtl Mark | Chief Technology Officer | Option exercise(M) | 40K | $2.13 | $85K |
| Mar 25, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 40K | $20.94 | $838K |
| Mar 25, 2026 | Frichtl Mark | Chief Technology Officer | Option exercise(M) | 40K | — | $0 |
| Mar 19, 2026 | Tewksbury Ted L III | Director | Sell(S) | 2K | $20.00 | $34K |
| Mar 12, 2026 | Pacala Charles Angus | President and CEO, Director | Sell(S) | 25K | $23.43 | $578K |
| Mar 12, 2026 | Chung Megan | General Counsel and Secretary | Sell(S) | 10K | $23.43 | $225K |
| Mar 12, 2026 | Frichtl Mark | Chief Technology Officer | Sell(S) | 16K | $23.43 | $368K |
| Mar 12, 2026 | Spencer Darien | Chief Operating Officer | Sell(S) | 11K | $23.43 | $256K |
| Mar 6, 2026 | Boulet Virginia | Director | Buy(P) | 7K | $20.95 | $136K |
| Jan 16, 2026 | Chung Megan | General Counsel and Secretary | Sell(S) | 6K | $27.24 | $159K |
| Jan 5, 2026 | Heystee Susan | Director | Grant(A) | 1K | $24.80 | $33K |
| Dec 19, 2025 | Tewksbury Ted L III | Director | Sell(S) | 2K | $21.47 | $36K |
| Dec 12, 2025 | Chung Megan | General Counsel and Secretary | Sell(S) | 11K | $24.98 | $267K |
| Dec 12, 2025 | Pacala Charles Angus | President and CEO, Director | Sell(S) | 25K | $24.98 | $615K |
| Dec 12, 2025 | Spencer Darien | Chief Operating Officer | Sell(S) | 11K | $24.98 | $273K |
| Dec 12, 2025 | Frichtl Mark | Chief Technology Officer | Sell(S) | 16K | $24.98 | $391K |
| Dec 12, 2025 | Heystee Susan | Director | Sell(S) | 12K | $25.03 | $292K |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Coverage: Form 4 filings indexed 2019-12-30 → 2026-08-06. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).
Connected pages for OUST