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 |
|---|---|---|---|---|---|---|
| Jul 25, 2026 | Armstrong Kathryn Michelle | CHIEF SCIENTIFIC OFFICER | Option exercise(M) | 1K | — | — |
| Jul 25, 2026 | Armstrong Kathryn Michelle | CHIEF SCIENTIFIC OFFICER | Tax withholding(F) | 518 | $21.32 | $11K |
| Jul 25, 2026 | Armstrong Kathryn Michelle | CHIEF SCIENTIFIC OFFICER | Option exercise(M) | 1K | — | $0 |
| Jul 25, 2026 | Benedict Peter | CHIEF INFORMATION OFFICER | Option exercise(M) | 598 | — | — |
| Jul 25, 2026 | Benedict Peter | CHIEF INFORMATION OFFICER | Tax withholding(F) | 176 | $21.32 | $4K |
| Jul 25, 2026 | Benedict Peter | CHIEF INFORMATION OFFICER | Option exercise(M) | 598 | — | $0 |
| Jul 23, 2026 | Ding Xia | Director | Option exercise(M) | 2K | — | — |
| Jul 23, 2026 | Ding Xia | Director | Tax withholding(F) | 604 | $20.92 | $13K |
| Jul 23, 2026 | Ding Xia | Director | Option exercise(M) | 2K | — | $0 |
| Jul 23, 2026 | Fuller Gilbert A | Director | Option exercise(M) | 2K | — | — |
| Jul 23, 2026 | Fuller Gilbert A | Director | Option exercise(M) | 2K | — | $0 |
| Jul 23, 2026 | Pelosi Peggie | Director | Option exercise(M) | 2K | — | — |
| Jul 23, 2026 | Pelosi Peggie | Director | Tax withholding(F) | 935 | $20.92 | $20K |
| Jul 23, 2026 | Pelosi Peggie | Director | Option exercise(M) | 2K | — | $0 |
| Jul 23, 2026 | Fleming John Turman | Director | Option exercise(M) | 2K | — | — |
| Jul 23, 2026 | Fleming John Turman | Director | Option exercise(M) | 2K | — | $0 |
| Jul 23, 2026 | Wood Timothy E | Director | Option exercise(M) | 2K | — | — |
| Jul 23, 2026 | Wood Timothy E | Director | Tax withholding(F) | 408 | $20.92 | $9K |
| Jul 23, 2026 | Wood Timothy E | Director | Option exercise(M) | 2K | — | $0 |
| Jul 23, 2026 | Winssinger Frederic J | Director | Option exercise(M) | 2K | — | — |
| Jul 23, 2026 | Winssinger Frederic J | Director | Option exercise(M) | 2K | — | $0 |
| Jul 23, 2026 | Nixon J Scott | Director | Option exercise(M) | 2K | — | — |
| Jul 23, 2026 | Nixon J Scott | Director | Option exercise(M) | 2K | — | $0 |
| Jun 16, 2026 | Neidig Brent | CHIEF COMMERCIAL OFFICER | Sell(S) | 5K | $19.45 | $97K |
| Jun 15, 2026 | Neidig Brent | CHIEF COMMERCIAL OFFICER | Sell(S) | 909 | $20.01 | $18K |
| Jun 12, 2026 | Neidig Brent | CHIEF COMMERCIAL OFFICER | Sell(S) | 2K | $20.15 | $32K |
| Jun 8, 2026 | Jones Paul A. | CHIEF PEOPLE OFFICER | Sell(S) | 6K | $18.50 | $103K |
| Jun 1, 2026 | Fleming John Turman | Director | Sell(S) | 2K | $17.93 | $44K |
| May 28, 2026 | Jones Paul A. | CHIEF PEOPLE OFFICER | Sell(S) | 7K | $18.95 | $129K |
| May 27, 2026 | Iiekking G Doug | CHIEF FINANCIAL OFFICER | Sell(S) | 5K | $18.75 | $101K |
| May 22, 2026 | Fuller Gilbert A | Director | Sell(S) | 1K | $18.66 | $20K |
| May 7, 2026 | Foukas Joshua | CHIEF LEGAL OFFICER | Sell(S) | 4K | $19.82 | $75K |
| May 7, 2026 | Ding Xia | Director | Grant(A) | 7K | — | $0 |
| May 7, 2026 | Nixon J Scott | Director | Grant(A) | 7K | — | $0 |
| May 7, 2026 | Fuller Gilbert A | Director | Grant(A) | 7K | — | $0 |
| May 7, 2026 | Fleming John Turman | Director | Grant(A) | 7K | — | $0 |
| May 7, 2026 | Winssinger Frederic J | Director | Grant(A) | 7K | — | $0 |
| May 7, 2026 | Pelosi Peggie | Director | Grant(A) | 7K | — | $0 |
| May 7, 2026 | Wood Timothy E | Director | Grant(A) | 7K | — | $0 |
| Apr 23, 2026 | Pelosi Peggie | Director | Option exercise(M) | 1K | — | — |
| Apr 23, 2026 | Pelosi Peggie | Director | Tax withholding(F) | 668 | $19.24 | $13K |
| Apr 23, 2026 | Pelosi Peggie | Director | Option exercise(M) | 1K | — | $0 |
| Apr 23, 2026 | Fleming John Turman | Director | Option exercise(M) | 1K | — | — |
| Apr 23, 2026 | Fuller Gilbert A | Director | Option exercise(M) | 1K | — | — |
| Apr 23, 2026 | Fuller Gilbert A | Director | Option exercise(M) | 1K | — | $0 |
| Apr 23, 2026 | Ding Xia | Director | Option exercise(M) | 1K | — | — |
| Apr 23, 2026 | Ding Xia | Director | Tax withholding(F) | 391 | $19.24 | $8K |
| Apr 23, 2026 | Ding Xia | Director | Option exercise(M) | 1K | — | $0 |
| Apr 23, 2026 | Fleming John Turman | Director | Option exercise(M) | 1K | — | $0 |
| Apr 23, 2026 | Nixon J Scott | Director | Option exercise(M) | 1K | — | — |
| Apr 23, 2026 | Nixon J Scott | Director | Option exercise(M) | 1K | — | $0 |
| Apr 23, 2026 | Wood Timothy E | Director | Option exercise(M) | 1K | — | — |
| Apr 23, 2026 | Wood Timothy E | Director | Tax withholding(F) | 264 | $19.24 | $5K |
| Apr 23, 2026 | Wood Timothy E | Director | Option exercise(M) | 1K | — | $0 |
| Apr 23, 2026 | Winssinger Frederic J | Director | Option exercise(M) | 1K | — | — |
| Apr 23, 2026 | Winssinger Frederic J | Director | Option exercise(M) | 1K | — | $0 |
| Mar 20, 2026 | Fuller Gilbert A | Director | Sell(S) | 1K | $17.00 | $18K |
| Mar 3, 2026 | Benedict Peter | CHIEF INFORMATION OFFICER | Sell(S) | 5K | $19.38 | $88K |
| Feb 27, 2026 | Iiekking G Doug | CHIEF FINANCIAL OFFICER | Tax withholding(F) | 5K | $21.52 | $108K |
| Feb 27, 2026 | Iiekking G Doug | CHIEF FINANCIAL OFFICER | Option exercise(M) | 7K | — | — |
| Feb 27, 2026 | Iiekking G Doug | CHIEF FINANCIAL OFFICER | Option exercise(M) | 7K | — | $0 |
| Feb 27, 2026 | Guest Kevin | CEO & EXEC. CHAIRMAN OF BOARD | Tax withholding(F) | 3K | $21.52 | $72K |
| Feb 27, 2026 | Guest Kevin | CEO & EXEC. CHAIRMAN OF BOARD | Option exercise(M) | 8K | — | — |
| Feb 27, 2026 | Guest Kevin | CEO & EXEC. CHAIRMAN OF BOARD | Option exercise(M) | 8K | — | $0 |
| Feb 27, 2026 | Jones Paul A. | CHIEF PEOPLE OFFICER | Tax withholding(F) | 1K | $21.52 | $29K |
| Feb 27, 2026 | Jones Paul A. | CHIEF PEOPLE OFFICER | Option exercise(M) | 5K | — | — |
| Feb 27, 2026 | Jones Paul A. | CHIEF PEOPLE OFFICER | Option exercise(M) | 5K | — | $0 |
| Feb 27, 2026 | Noot Walter | CHIEF OPERATING OFFICER | Option exercise(M) | 7K | — | — |
| Feb 27, 2026 | Noot Walter | CHIEF OPERATING OFFICER | Tax withholding(F) | 3K | $21.52 | $68K |
| Feb 27, 2026 | Noot Walter | CHIEF OPERATING OFFICER | Option exercise(M) | 7K | — | $0 |
| Feb 27, 2026 | Foukas Joshua | CHIEF LEGAL OFFICER | Tax withholding(F) | 3K | $21.52 | $60K |
| Feb 27, 2026 | Foukas Joshua | CHIEF LEGAL OFFICER | Option exercise(M) | 7K | — | — |
| Feb 27, 2026 | Foukas Joshua | CHIEF LEGAL OFFICER | Option exercise(M) | 7K | — | $0 |
| Feb 27, 2026 | Benedict Peter | CHIEF INFORMATION OFFICER | Option exercise(M) | 4K | — | — |
| Feb 27, 2026 | Benedict Peter | CHIEF INFORMATION OFFICER | Tax withholding(F) | 1K | $21.52 | $25K |
| Feb 27, 2026 | Benedict Peter | CHIEF INFORMATION OFFICER | Option exercise(M) | 4K | — | $0 |
| Feb 27, 2026 | Neidig Brent | CHIEF COMMERCIAL OFFICER | Tax withholding(F) | 3K | $21.52 | $64K |
| Feb 27, 2026 | Neidig Brent | CHIEF COMMERCIAL OFFICER | Option exercise(M) | 7K | — | — |
| Feb 27, 2026 | Neidig Brent | CHIEF COMMERCIAL OFFICER | Option exercise(M) | 7K | — | $0 |
| Feb 27, 2026 | Armstrong Kathryn Michelle | CHIEF SCIENTIFIC OFFICER | Tax withholding(F) | 2K | $21.52 | $43K |
| Feb 27, 2026 | Armstrong Kathryn Michelle | CHIEF SCIENTIFIC OFFICER | Option exercise(M) | 4K | — | — |
| Feb 27, 2026 | Armstrong Kathryn Michelle | CHIEF SCIENTIFIC OFFICER | Option exercise(M) | 4K | — | $0 |
| Feb 20, 2026 | Foukas Joshua | CHIEF LEGAL OFFICER | Sell(S) | 4K | $21.35 | $95K |
| Feb 19, 2026 | Noot Walter | CHIEF OPERATING OFFICER | Grant(A) | 41K | — | $0 |
| Feb 19, 2026 | Iiekking G Doug | CHIEF FINANCIAL OFFICER | Grant(A) | 42K | — | $0 |
| Feb 19, 2026 | Guest Kevin | CEO & EXEC. CHAIRMAN OF BOARD | Grant(A) | 83K | — | $0 |
| Feb 19, 2026 | Jones Paul A. | CHIEF PEOPLE OFFICER | Grant(A) | 26K | — | $0 |
| Feb 19, 2026 | Foukas Joshua | CHIEF LEGAL OFFICER | Grant(A) | 37K | — | $0 |
| Feb 19, 2026 | Benedict Peter | CHIEF INFORMATION OFFICER | Grant(A) | 22K | — | $0 |
| Feb 19, 2026 | Neidig Brent | CHIEF COMMERCIAL OFFICER | Grant(A) | 38K | — | $0 |
| Feb 19, 2026 | Armstrong Kathryn Michelle | CHIEF SCIENTIFIC OFFICER | Grant(A) | 25K | — | $0 |
| Feb 8, 2026 | Iiekking G Doug | CHIEF FINANCIAL OFFICER | Option exercise(M) | 4K | — | — |
| Feb 8, 2026 | Iiekking G Doug | CHIEF FINANCIAL OFFICER | Tax withholding(F) | 3K | $21.34 | $59K |
| Feb 8, 2026 | Iiekking G Doug | CHIEF FINANCIAL OFFICER | Option exercise(M) | 4K | — | $0 |
| Feb 8, 2026 | Guest Kevin | CEO & EXEC. CHAIRMAN OF BOARD | Option exercise(M) | 4K | — | — |
| Feb 8, 2026 | Guest Kevin | CEO & EXEC. CHAIRMAN OF BOARD | Tax withholding(F) | 2K | $21.34 | $40K |
| Feb 8, 2026 | Guest Kevin | CEO & EXEC. CHAIRMAN OF BOARD | Option exercise(M) | 4K | — | $0 |
| Feb 8, 2026 | Jones Paul A. | CHIEF PEOPLE OFFICER | Option exercise(M) | 3K | — | — |
| Feb 8, 2026 | Jones Paul A. | CHIEF PEOPLE OFFICER | Tax withholding(F) | 872 | $21.34 | $19K |
| Feb 8, 2026 | Jones Paul A. | CHIEF PEOPLE OFFICER | Option exercise(M) | 3K | — | $0 |
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 2006-01-02 → 2026-09-03. 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 USNA