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 15, 2025 | Wilm Renee L | Chief Legal/Admin Officer | Tax withholding(F) | 3K | $81.38 | $264K |
| Mar 15, 2025 | Wendling Brian J | CAO/PFO | Tax withholding(F) | 2K | $81.38 | $140K |
| Mar 5, 2025 | Wilm Renee L | Chief Legal/Admin Officer | Grant(A) | 7K | — | $0 |
| Mar 5, 2025 | Wendling Brian J | CAO/PFO | Grant(A) | 4K | — | $0 |
| Dec 19, 2024 | Maffei Gregory B | President/CEO, Director, 10% Owner | Sell(S) | 8K | $78.01 | $596K |
| Dec 19, 2024 | Maffei Gregory B | President/CEO, Director, 10% Owner | Sell(S) | 29K | $77.33 | $2.2M |
| Dec 18, 2024 | Maffei Gregory B | President/CEO, Director, 10% Owner | Sell(S) | 1K | $80.91 | $84K |
| Dec 18, 2024 | Maffei Gregory B | President/CEO, Director, 10% Owner | Sell(S) | 14K | $79.29 | $1.1M |
| Dec 18, 2024 | Maffei Gregory B | President/CEO, Director, 10% Owner | Sell(S) | 27K | $78.54 | $2.1M |
| Dec 18, 2024 | Maffei Gregory B | President/CEO, Director, 10% Owner | Sell(S) | 82K | $80.20 | $6.6M |
| Dec 17, 2024 | Maffei Gregory B | President/CEO, Director, 10% Owner | Sell(S) | 119K | $80.60 | $9.6M |
| Dec 17, 2024 | Maffei Gregory B | President/CEO, Director, 10% Owner | Sell(S) | 1K | $81.30 | $95K |
| Dec 16, 2024 | Maffei Gregory B | President/CEO, Director, 10% Owner | Option exercise(M) | 1.5M | $48.10 | $72.2M |
| Dec 16, 2024 | Maffei Gregory B | President/CEO, Director, 10% Owner | Sell(S) | 72K | $82.00 | $5.9M |
| Dec 16, 2024 | Maffei Gregory B | President/CEO, Director, 10% Owner | Tax withholding(F) | 1.1M | $82.45 | $94.6M |
| Dec 16, 2024 | Maffei Gregory B | President/CEO, Director, 10% Owner | Option exercise(M) | 1.5M | — | $0 |
| Dec 11, 2024 | Green Richard R | Director | Option exercise(M) | 1K | — | $0 |
| Dec 11, 2024 | Green Richard R | Director | Option exercise(M) | 1K | — | $0 |
| Dec 11, 2024 | Engles Gregg L | Director | Option exercise(M) | 1K | — | $0 |
| Dec 11, 2024 | Engles Gregg L | Director | Option exercise(M) | 1K | — | $0 |
| Dec 9, 2024 | Wilm Renee L | Chief Legal/Admin Officer | Option exercise(M) | 3K | — | $0 |
| Dec 9, 2024 | Wilm Renee L | Chief Legal/Admin Officer | Tax withholding(F) | 1K | $86.50 | $100K |
| Dec 9, 2024 | Wilm Renee L | Chief Legal/Admin Officer | Option exercise(M) | 3K | — | $0 |
| Dec 9, 2024 | Wendling Brian J | CAO/PFO | Tax withholding(F) | 627 | $86.50 | $54K |
| Dec 9, 2024 | Wendling Brian J | CAO/PFO | Option exercise(M) | 1K | — | $0 |
| Dec 9, 2024 | Wendling Brian J | CAO/PFO | Option exercise(M) | 1K | — | $0 |
| Dec 4, 2024 | Green Richard R | Director | Option exercise(M) | 6K | $85.34 | $553K |
| Dec 4, 2024 | Green Richard R | Director | Tax withholding(F) | 6K | $86.36 | $553K |
| Dec 4, 2024 | Green Richard R | Director | Option exercise(M) | 6K | — | $0 |
| Nov 21, 2024 | Wendling Brian J | CAO/PFO | Sell(S) | 42 | $85.91 | $4K |
| Sep 26, 2024 | Wendling Brian J | CAO/PFO | Sell(S) | 2K | $75.84 | $167K |
| Sep 25, 2024 | Wilm Renee L | Chief Legal/Admin Officer | Sell(S) | 4K | $76.56 | $339K |
| Apr 8, 2024 | Wargo J David | Director | Sell(S) | 10K | $52.18 | $540K |
| Apr 8, 2024 | Wargo J David | Director | Sell(S) | 5K | $51.55 | $240K |
| Apr 5, 2024 | Wargo J David | Director | Sell(S) | 10K | $51.43 | $514K |
| Mar 11, 2024 | Wendling Brian J | CAO/PFO | Tax withholding(F) | 953 | $56.89 | $54K |
| Mar 11, 2024 | Wilm Renee L | Chief Legal/Admin Officer | Tax withholding(F) | 2K | $56.89 | $96K |
| Mar 7, 2024 | Wargo J David | Director | Sell(S) | 9K | $56.80 | $511K |
| Mar 6, 2024 | Wilm Renee L | Chief Legal/Admin Officer | Grant(A) | 4K | — | $0 |
| Mar 6, 2024 | Wendling Brian J | CAO/PFO | Grant(A) | 2K | — | $0 |
| Mar 6, 2024 | Maffei Gregory B | President/CEO, Director, 10% Owner | Grant(A) | 183K | — | $0 |
| Mar 5, 2024 | Wargo J David | Director | Sell(S) | 11K | $57.33 | $631K |
| Dec 13, 2023 | Wilm Renee L | Chief Legal/Admin Officer | Grant(A) | 59K | — | $0 |
| Dec 13, 2023 | Wendling Brian J | CAO/PFO | Grant(A) | 33K | — | $0 |
| Dec 12, 2023 | Green Richard R | Director | Option exercise(M) | 976 | — | $0 |
| Dec 12, 2023 | Green Richard R | Director | Option exercise(M) | 976 | — | $0 |
| Dec 12, 2023 | Engles Gregg L | Director | Option exercise(M) | 488 | — | $0 |
| Dec 12, 2023 | Engles Gregg L | Director | Option exercise(M) | 488 | — | $0 |
| Dec 11, 2023 | Frist Julie D. | Director | Grant(A) | 6K | — | $0 |
| Dec 11, 2023 | Hamilton Sue Ann | Director | Grant(A) | 6K | — | $0 |
| Dec 11, 2023 | Wargo J David | Director | Grant(A) | 6K | — | $0 |
| Dec 11, 2023 | Welsh John E III | Director | Grant(A) | 3K | — | $0 |
| Dec 11, 2023 | Green Richard R | Director | Grant(A) | 1K | — | $0 |
| Dec 11, 2023 | Wilm Renee L | Chief Legal/Admin Officer | Grant(A) | 22K | — | $0 |
| Dec 11, 2023 | Wilm Renee L | Chief Legal/Admin Officer | Grant(A) | 8K | — | $0 |
| Dec 11, 2023 | Wendling Brian J | CAO/PFO | Grant(A) | 11K | — | $0 |
| Dec 11, 2023 | Wendling Brian J | CAO/PFO | Grant(A) | 4K | — | $0 |
| Dec 11, 2023 | Engles Gregg L | Director | Grant(A) | 1K | — | $0 |
| Dec 4, 2023 | Wargo J David | Director | Option exercise(M) | 8K | $72.11 | $599K |
| Dec 4, 2023 | Wargo J David | Director | Tax withholding(F) | 7K | $83.61 | $599K |
| Dec 4, 2023 | Wargo J David | Director | Option exercise(M) | 8K | — | $0 |
| Nov 17, 2023 | Green Richard R | Director | Option exercise(M) | 4K | $72.11 | $299K |
| Nov 17, 2023 | Green Richard R | Director | Sell(S) | 4K | $83.53 | $347K |
| Nov 17, 2023 | Green Richard R | Director | Option exercise(M) | 4K | — | $0 |
| Nov 15, 2023 | Welsh John E III | Director | Option exercise(M) | 4K | $72.11 | $299K |
| Nov 15, 2023 | Welsh John E III | Director | Sell(S) | 4K | $83.74 | $348K |
| Nov 15, 2023 | Welsh John E III | Director | Option exercise(M) | 4K | — | $0 |
| Aug 16, 2023 | Maffei Gregory B | President/CEO, Director, 10% Owner | Sell(S) | 150 | $92.25 | $14K |
| Aug 16, 2023 | Maffei Gregory B | President/CEO, Director, 10% Owner | Sell(S) | 247 | $91.93 | $23K |
| Aug 16, 2023 | Maffei Gregory B | President/CEO, Director, 10% Owner | Sell(S) | 181 | $92.25 | $17K |
| Aug 16, 2023 | Maffei Gregory B | President/CEO, Director, 10% Owner | Sell(S) | 557 | $91.93 | $51K |
| May 11, 2023 | Wendling Brian J | CAO/PFO | Option exercise(M) | 6K | $67.54 | $434K |
| May 11, 2023 | Wendling Brian J | CAO/PFO | Sell(S) | 6K | $77.59 | $498K |
| May 11, 2023 | Wendling Brian J | CAO/PFO | Option exercise(M) | 6K | — | $0 |
| Mar 29, 2023 | Malone John C | Director, 10% Owner | Buy(P) | 400K | — | — |
| Mar 29, 2023 | Malone John C | Director, 10% Owner | Sell(S) | 400K | — | — |
| Mar 29, 2023 | Malone John C | Director, 10% Owner | Expiration(E) | 400K | — | — |
| Mar 29, 2023 | Malone John C | Director, 10% Owner | Other(J) | 400K | — | — |
| Mar 15, 2023 | Wilm Renee L | Chief Legal/Admin Officer | Tax withholding(F) | 1K | $77.62 | $113K |
| Mar 15, 2023 | Wendling Brian J | CAO/PFO | Tax withholding(F) | 792 | $77.62 | $61K |
| Mar 15, 2023 | Rosenthaler Albert E | Chief Corp. Dev. Officer | Tax withholding(F) | 1K | $77.62 | $113K |
| Mar 9, 2023 | Maffei Gregory B | President/CEO, Director, 10% Owner | Grant(A) | 129K | — | $0 |
| Mar 9, 2023 | Rosenthaler Albert E | Chief Corp. Dev. Officer | Grant(A) | 3K | — | $0 |
| Mar 9, 2023 | Wendling Brian J | CAO/PFO | Grant(A) | 2K | — | $0 |
| Mar 9, 2023 | Wilm Renee L | Chief Legal/Admin Officer | Grant(A) | 3K | — | $0 |
| Feb 2, 2023 | Wendling Brian J | CAO/PFO | Option exercise(M) | 3K | $67.54 | $217K |
| Feb 2, 2023 | Wendling Brian J | CAO/PFO | Sell(S) | 3K | $95.00 | $305K |
| Feb 2, 2023 | Wendling Brian J | CAO/PFO | Option exercise(M) | 3K | — | $0 |
| Jan 23, 2023 | Malone John C | Director, 10% Owner | Grant(A) | 54K | — | $0 |
| Jan 23, 2023 | Malone John C | Director, 10% Owner | Disposed to issuer(D) | 54K | — | $0 |
| Dec 12, 2022 | Hamilton Sue Ann | Director | Grant(A) | 3K | — | $0 |
| Dec 12, 2022 | Wargo J David | Director | Grant(A) | 6K | — | $0 |
| Dec 12, 2022 | Welsh John E III | Director | Grant(A) | 6K | — | $0 |
| Dec 12, 2022 | Green Richard R | Director | Grant(A) | 976 | — | $0 |
| Dec 12, 2022 | Frist Julie D. | Director | Grant(A) | 6K | — | $0 |
| Dec 12, 2022 | Engles Gregg L | Director | Grant(A) | 4K | — | $0 |
| Dec 12, 2022 | Engles Gregg L | Director | Grant(A) | 488 | — | $0 |
| Dec 7, 2022 | Green Richard R | Director | Option exercise(M) | 493 | — | $0 |
| Dec 7, 2022 | Green Richard R | Director | Option exercise(M) | 493 | — | $0 |
| Dec 1, 2022 | Wargo J David | Director | Option exercise(M) | 7K | — | $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 2021-03-29 → 2026-07-14. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).