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 |
|---|---|---|---|---|---|---|
| Mar 17, 2026 | Doumet Antoine M | Director | Option exercise(M) | 12K | $10.71 | $129K |
| Mar 17, 2026 | Doumet Antoine M | Director | Option exercise(M) | 12K | $10.71 | $129K |
| Mar 3, 2026 | Duhe Sandra C | Director | Sell(S) | 1K | $120.45 | $154K |
| Feb 3, 2026 | Gagnon John J | Vice President | Tax withholding(F) | 123 | $118.13 | $15K |
| Feb 3, 2026 | O'Neill Nathan | Vice President | Tax withholding(F) | 166 | $118.13 | $20K |
| Feb 3, 2026 | Stone Timothy Wade | Vice President | Tax withholding(F) | 136 | $118.13 | $16K |
| Feb 3, 2026 | Wiedemer Michael L | Vice President | Tax withholding(F) | 165 | $118.13 | $19K |
| Feb 2, 2026 | Gagnon John J | Vice President | Grant(A) | 210 | $123.61 | $26K |
| Feb 2, 2026 | Gagnon John J | Vice President | Tax withholding(F) | 75 | $123.61 | $9K |
| Feb 2, 2026 | O'Neill Nathan | Vice President | Grant(A) | 426 | $123.61 | $53K |
| Feb 2, 2026 | O'Neill Nathan | Vice President | Tax withholding(F) | 105 | $123.61 | $13K |
| Feb 2, 2026 | Stone Timothy Wade | Vice President | Tax withholding(F) | 100 | $123.61 | $12K |
| Feb 2, 2026 | Stone Timothy Wade | Vice President | Grant(A) | 336 | $123.61 | $42K |
| Feb 2, 2026 | Wiedemer Michael L | Vice President | Grant(A) | 426 | $123.61 | $53K |
| Feb 2, 2026 | Wiedemer Michael L | Vice President | Tax withholding(F) | 95 | $123.61 | $12K |
| Dec 31, 2025 | Byrne Timothy W | President & CEO, Director | Tax withholding(F) | 19K | $119.74 | $2.2M |
| Dec 31, 2025 | Byrne Timothy W | President & CEO, Director | Grant(A) | 48K | $119.74 | $5.7M |
| Dec 4, 2025 | Hawkins Tom S Jr | Director | Gift(G) | 80 | — | $0 |
| Dec 4, 2025 | Hawkins Tom S Jr | Director | Gift(G) | 100 | — | $0 |
| Dec 4, 2025 | Hawkins Tom S Jr | Director | Gift(G) | 100 | — | $0 |
| Sep 5, 2025 | Byrne Timothy W | President & CEO, Director | Gift(G) | 500 | $120.99 | $60K |
| Sep 4, 2025 | Byrne Timothy W | President & CEO, Director | Sell(S) | 596 | $120.76 | $72K |
| Sep 4, 2025 | Byrne Timothy W | President & CEO, Director | Sell(S) | 12K | $119.43 | $1.4M |
| Sep 3, 2025 | Byrne Timothy W | President & CEO, Director | Sell(S) | 1K | $124.18 | $173K |
| Sep 3, 2025 | Byrne Timothy W | President & CEO, Director | Sell(S) | 26K | $120.88 | $3.1M |
| May 2, 2025 | Cardin Richard W | Director | Grant(A) | 1K | $99.81 | $140K |
| May 2, 2025 | Duhe Sandra C | Director | Grant(A) | 1K | $99.81 | $140K |
| May 2, 2025 | Doumet Antoine M | Director | Grant(A) | 4K | $99.81 | $380K |
| May 2, 2025 | Hawkins Tom S Jr | Director | Grant(A) | 1K | $99.81 | $140K |
| May 2, 2025 | Weirich Lila R | Director | Grant(A) | 1K | $99.81 | $140K |
| May 2, 2025 | Wolkenstein Jon A | Director | Grant(A) | 1K | $99.81 | $140K |
| Mar 3, 2025 | Doumet Antoine M | Director | Option exercise(M) | 12K | $13.34 | $160K |
| Mar 3, 2025 | Doumet Antoine M | Director | Option exercise(M) | 12K | $13.34 | $160K |
| Feb 24, 2025 | Duhe Sandra C | Director | Sell(S) | 3K | $94.61 | $299K |
| Feb 6, 2025 | Stone Timothy Wade | Vice President | Gift(G) | 40 | — | $0 |
| Feb 3, 2025 | Gagnon John J | Vice President | Grant(A) | 210 | $110.47 | $23K |
| Feb 3, 2025 | Gagnon John J | Vice President | Tax withholding(F) | 103 | $110.47 | $11K |
| Feb 3, 2025 | Stone Timothy Wade | Vice President | Tax withholding(F) | 103 | $110.47 | $11K |
| Feb 3, 2025 | Stone Timothy Wade | Vice President | Grant(A) | 336 | $110.47 | $37K |
| Feb 3, 2025 | O'Neill Nathan | Vice President | Grant(A) | 426 | $110.47 | $47K |
| Feb 3, 2025 | O'Neill Nathan | Vice President | Tax withholding(F) | 124 | $110.47 | $14K |
| Feb 3, 2025 | Wiedemer Michael L | Vice President | Tax withholding(F) | 116 | $110.47 | $13K |
| Feb 3, 2025 | Wiedemer Michael L | Vice President | Grant(A) | 426 | $110.47 | $47K |
| Feb 2, 2025 | Gagnon John J | Vice President | Tax withholding(F) | 178 | $110.58 | $20K |
| Feb 2, 2025 | Stone Timothy Wade | Vice President | Tax withholding(F) | 192 | $110.58 | $21K |
| Feb 2, 2025 | O'Neill Nathan | Vice President | Tax withholding(F) | 208 | $110.58 | $23K |
| Feb 2, 2025 | Wiedemer Michael L | Vice President | Tax withholding(F) | 200 | $110.58 | $22K |
| Dec 31, 2024 | Byrne Timothy W | President & CEO, Director | Grant(A) | 48K | $132.74 | $6.3M |
| Dec 27, 2024 | Byrne Timothy W | President & CEO, Director | Tax withholding(F) | 25K | $135.58 | $3.3M |
| Dec 10, 2024 | Hawkins Tom S Jr | Director | Gift(G) | 80 | — | $0 |
| Dec 10, 2024 | Hawkins Tom S Jr | Director | Gift(G) | 80 | — | $0 |
| Dec 10, 2024 | Hawkins Tom S Jr | Director | Gift(G) | 60 | — | $0 |
| Nov 20, 2024 | Byrne Timothy W | President & CEO, Director | Sell(S) | 21K | $139.53 | $2.9M |
| Nov 20, 2024 | Byrne Timothy W | President & CEO, Director | Sell(S) | 992 | $141.00 | $140K |
| Nov 19, 2024 | Byrne Timothy W | President & CEO, Director | Sell(S) | 22K | $141.73 | $3.2M |
| Nov 19, 2024 | Byrne Timothy W | President & CEO, Director | Gift(G) | 450 | $141.59 | $64K |
| Nov 12, 2024 | O'Neill Nathan | Vice President | Sell(S) | 2K | $139.73 | $245K |
| Nov 1, 2024 | Weirich Lila R | Director | Grant(A) | 2K | $108.46 | $163K |
| Nov 1, 2024 | Wolkenstein Jon A | Director | Grant(A) | 2K | $108.46 | $163K |
| Aug 22, 2024 | Cardin Richard W | Director | Sell(S) | 12K | $77.88 | $935K |
| Jun 7, 2024 | Byrne Timothy W | President & CEO, Director | Sell(S) | 200 | $330.32 | $66K |
| Jun 6, 2024 | Byrne Timothy W | President & CEO, Director | Sell(S) | 612 | $330.12 | $202K |
| Jun 6, 2024 | Byrne Timothy W | President & CEO, Director | Sell(S) | 25 | $335.54 | $8K |
| Jun 5, 2024 | Byrne Timothy W | President & CEO, Director | Sell(S) | 5K | $335.78 | $1.6M |
| Jun 5, 2024 | Byrne Timothy W | President & CEO, Director | Sell(S) | 1K | $337.00 | $492K |
| Jun 5, 2024 | Byrne Timothy W | President & CEO, Director | Sell(S) | 199 | $337.92 | $67K |
| Jun 5, 2024 | Byrne Timothy W | President & CEO, Director | Sell(S) | 590 | $340.29 | $201K |
| Jun 5, 2024 | Byrne Timothy W | President & CEO, Director | Sell(S) | 476 | $339.50 | $162K |
| May 7, 2024 | Byrne Timothy W | President & CEO, Director | Tax withholding(F) | 4K | $371.78 | $1.7M |
| May 7, 2024 | Byrne Timothy W | President & CEO, Director | Option exercise(M) | 8K | $129.02 | $968K |
| May 7, 2024 | Byrne Timothy W | President & CEO, Director | Option exercise(M) | 5K | $140.76 | $704K |
| May 7, 2024 | Byrne Timothy W | President & CEO, Director | Option exercise(M) | 3K | $140.76 | $352K |
| May 7, 2024 | Byrne Timothy W | President & CEO, Director | Option exercise(M) | 3K | $129.02 | $323K |
| May 7, 2024 | Byrne Timothy W | President & CEO, Director | Option exercise(M) | 3K | $129.02 | $323K |
| May 7, 2024 | Byrne Timothy W | President & CEO, Director | Option exercise(M) | 3K | $140.76 | $352K |
| May 7, 2024 | Byrne Timothy W | President & CEO, Director | Option exercise(M) | 3K | $129.02 | $323K |
| May 2, 2024 | Doumet Antoine M | Director | Grant(A) | 2K | $326.68 | $588K |
| May 2, 2024 | Duhe Sandra C | Director | Grant(A) | 600 | $326.68 | $196K |
| May 2, 2024 | Hawkins Tom S Jr | Director | Grant(A) | 600 | $326.68 | $196K |
| May 2, 2024 | Cardin Richard W | Director | Grant(A) | 600 | $326.68 | $196K |
| Mar 14, 2024 | Duhe Sandra C | Director | Sell(S) | 427 | $291.02 | $124K |
| Mar 13, 2024 | Stone Timothy Wade | Vice President | Gift(G) | 20 | $293.15 | $6K |
| Feb 15, 2024 | Byrne Timothy W | President & CEO, Director | Sell(S) | 100 | $261.27 | $26K |
| Feb 15, 2024 | Byrne Timothy W | President & CEO, Director | Sell(S) | 301 | $259.83 | $78K |
| Feb 15, 2024 | Byrne Timothy W | President & CEO, Director | Sell(S) | 1K | $259.11 | $382K |
| Feb 14, 2024 | Byrne Timothy W | President & CEO, Director | Sell(S) | 2K | $258.50 | $404K |
| Feb 14, 2024 | Byrne Timothy W | President & CEO, Director | Sell(S) | 743 | $260.56 | $194K |
| Feb 14, 2024 | Byrne Timothy W | President & CEO, Director | Sell(S) | 4K | $259.33 | $953K |
| Feb 9, 2024 | Doumet Antoine M | Director | Option exercise(M) | 2K | $54.31 | $130K |
| Feb 9, 2024 | Doumet Antoine M | Director | Option exercise(M) | 2K | $54.31 | $130K |
| Feb 3, 2024 | O'Neill Nathan | Vice President | Tax withholding(F) | 24 | $250.02 | $6K |
| Feb 3, 2024 | Wiedemer Michael L | Vice President | Tax withholding(F) | 23 | $250.02 | $6K |
| Feb 3, 2024 | Stone Timothy Wade | Vice President | Tax withholding(F) | 20 | $250.02 | $5K |
| Feb 3, 2024 | Gagnon John J | Vice President | Tax withholding(F) | 20 | $250.02 | $5K |
| Feb 2, 2024 | O'Neill Nathan | Vice President | Grant(A) | 240 | $250.02 | $60K |
| Feb 2, 2024 | O'Neill Nathan | Vice President | Tax withholding(F) | 41 | $250.02 | $10K |
| Feb 2, 2024 | Wiedemer Michael L | Vice President | Tax withholding(F) | 40 | $250.02 | $10K |
| Feb 2, 2024 | Wiedemer Michael L | Vice President | Grant(A) | 240 | $250.02 | $60K |
| Feb 2, 2024 | Stone Timothy Wade | Vice President | Grant(A) | 210 | $250.02 | $53K |
| Feb 2, 2024 | Stone Timothy Wade | Vice President | Tax withholding(F) | 17 | $250.02 | $4K |
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.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).