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 31, 2026 | Foo Lisa Y | EVP, Chief Operating Officer | Sell(S) | 24K | $266.32 | $6.4M |
| Aug 28, 2026 | Haney Cecil D | Director | Gift(G) | 150 | — | $0 |
| Aug 25, 2026 | Sutaria Saumya | CEO, Director | Sell(S) | 8K | $275.26 | $2.2M |
| Aug 25, 2026 | Sutaria Saumya | CEO, Director | Sell(S) | 25K | $274.10 | $6.8M |
| Aug 25, 2026 | Sutaria Saumya | CEO, Director | Sell(S) | 17K | $273.34 | $4.7M |
| Aug 24, 2026 | Sutaria Saumya | CEO, Director | Sell(S) | 37K | $278.90 | $10.2M |
| Aug 24, 2026 | Sutaria Saumya | CEO, Director | Sell(S) | 13K | $278.17 | $3.7M |
| Aug 24, 2026 | Haney Cecil D | Director | Sell(S) | 1K | $278.03 | $361K |
| Aug 7, 2026 | Romo Tammy | Director | Sell(S) | 3K | $260.83 | $652K |
| Aug 6, 2026 | Romo Tammy | Director | Sell(S) | 5K | $264.15 | $1.3M |
| Aug 5, 2026 | Blunt Roy | Director | Sell(S) | 600 | $262.68 | $158K |
| Jul 29, 2026 | Foo Lisa Y | EVP, Chief Operating Officer | Sell(S) | 10K | $258.03 | $2.6M |
| Jul 27, 2026 | Lynch Christopher S. | Director | Sell(S) | 4K | $243.44 | $934K |
| Jul 27, 2026 | Arbour Paola M | EVP, Chief Information Officer | Sell(S) | 11K | $243.90 | $2.7M |
| Jul 27, 2026 | Bierman James L | Director | Sell(S) | 5K | $244.96 | $1.2M |
| May 28, 2026 | Kerrey J Robert | Director | Sell(S) | 2K | $173.12 | $341K |
| May 28, 2026 | Kerrey J Robert | Director | Sell(S) | 2K | $173.97 | $294K |
| May 28, 2026 | Kerrey J Robert | Director | Sell(S) | 713 | $175.13 | $125K |
| May 28, 2026 | Kerrey J Robert | Director | Sell(S) | 905 | $176.89 | $160K |
| May 28, 2026 | Kerrey J Robert | Director | Sell(S) | 361 | $177.52 | $64K |
| May 27, 2026 | Agarwala Vineeta | Director | Grant(A) | 1K | — | $0 |
| May 27, 2026 | Blunt Roy | Director | Grant(A) | 1K | — | $0 |
| May 27, 2026 | Bierman James L | Director | Grant(A) | 1K | — | $0 |
| May 27, 2026 | Fisher Richard W | Director | Grant(A) | 1K | — | $0 |
| May 27, 2026 | Fitzgerald Meghan | Director | Grant(A) | 1K | — | $0 |
| May 27, 2026 | Kerrey J Robert | Director | Grant(A) | 1K | — | $0 |
| May 27, 2026 | Haney Cecil D | Director | Grant(A) | 1K | — | $0 |
| May 27, 2026 | Lynch Christopher S. | Director | Grant(A) | 1K | — | $0 |
| May 27, 2026 | Mark Richard J | Director | Grant(A) | 1K | — | $0 |
| May 27, 2026 | Romo Tammy | Director | Grant(A) | 1K | — | $0 |
| May 27, 2026 | West Nadja | Director | Sell(S) | 3K | $177.35 | $532K |
| May 27, 2026 | West Nadja | Director | Grant(A) | 1K | — | $0 |
| May 22, 2026 | Agarwala Vineeta | Director | Option exercise(M) | 1K | — | — |
| May 22, 2026 | Bierman James L | Director | Option exercise(M) | 1K | — | — |
| May 22, 2026 | Bierman James L | Director | Option exercise(M) | 1K | — | — |
| May 22, 2026 | Fitzgerald Meghan | Director | Option exercise(M) | 1K | — | — |
| May 22, 2026 | Fitzgerald Meghan | Director | Disposed to issuer(D) | 493 | $173.78 | $86K |
| May 22, 2026 | Fitzgerald Meghan | Director | Option exercise(M) | 1K | — | — |
| May 22, 2026 | Agarwala Vineeta | Director | Option exercise(M) | 1K | — | — |
| May 22, 2026 | Blunt Roy | Director | Option exercise(M) | 1K | — | — |
| May 22, 2026 | Blunt Roy | Director | Disposed to issuer(D) | 493 | $173.78 | $86K |
| May 22, 2026 | Blunt Roy | Director | Option exercise(M) | 1K | — | — |
| May 22, 2026 | Fisher Richard W | Director | Option exercise(M) | 1K | — | — |
| May 22, 2026 | Fisher Richard W | Director | Disposed to issuer(D) | 493 | $173.78 | $86K |
| May 22, 2026 | Fisher Richard W | Director | Option exercise(M) | 1K | — | — |
| May 22, 2026 | Haney Cecil D | Director | Option exercise(M) | 1K | — | — |
| May 22, 2026 | Haney Cecil D | Director | Disposed to issuer(D) | 493 | $173.78 | $86K |
| May 22, 2026 | Haney Cecil D | Director | Option exercise(M) | 1K | — | — |
| May 22, 2026 | Kerrey J Robert | Director | Option exercise(M) | 2K | — | — |
| May 22, 2026 | Kerrey J Robert | Director | Disposed to issuer(D) | 607 | $173.78 | $105K |
| May 22, 2026 | Kerrey J Robert | Director | Option exercise(M) | 2K | — | — |
| May 22, 2026 | Mark Richard J | Director | Option exercise(M) | 1K | — | — |
| May 22, 2026 | Mark Richard J | Director | Disposed to issuer(D) | 493 | $173.78 | $86K |
| May 22, 2026 | Mark Richard J | Director | Option exercise(M) | 1K | — | — |
| May 22, 2026 | Lynch Christopher S. | Director | Option exercise(M) | 1K | — | — |
| May 22, 2026 | Lynch Christopher S. | Director | Option exercise(M) | 1K | — | — |
| May 22, 2026 | West Nadja | Director | Option exercise(M) | 1K | — | — |
| May 22, 2026 | West Nadja | Director | Disposed to issuer(D) | 493 | $173.78 | $86K |
| May 22, 2026 | West Nadja | Director | Option exercise(M) | 1K | — | — |
| May 22, 2026 | Romo Tammy | Director | Option exercise(M) | 1K | — | — |
| May 22, 2026 | Romo Tammy | Director | Disposed to issuer(D) | 493 | $173.78 | $86K |
| May 22, 2026 | Romo Tammy | Director | Option exercise(M) | 1K | — | — |
| Mar 11, 2026 | Arbour Paola M | EVP, Chief Information Officer | Sell(S) | 7K | $238.43 | $1.5M |
| Mar 9, 2026 | Arnst Thomas W | EVP, Chief Admin. Officer & GC | Sell(S) | 5K | $238.42 | $1.1M |
| Mar 9, 2026 | Arnst Thomas W | EVP, Chief Admin. Officer & GC | Sell(S) | 3K | $239.46 | $787K |
| Mar 2, 2026 | Arnst Thomas W | EVP, Chief Admin. Officer & GC | Sell(S) | 24K | $234.04 | $5.6M |
| Mar 2, 2026 | Ramsey R. Scott | Principal Accounting Officer | Sell(S) | 1K | $233.69 | $327K |
| Mar 2, 2026 | Ramsey R. Scott | Principal Accounting Officer | Sell(S) | 2K | $230.98 | $491K |
| Mar 2, 2026 | Ramsey R. Scott | Principal Accounting Officer | Sell(S) | 4K | $233.21 | $1.0M |
| Feb 27, 2026 | Arnst Thomas W | EVP, Chief Admin. Officer & GC | Tax withholding(F) | 1K | $237.58 | $355K |
| Feb 27, 2026 | Arnst Thomas W | EVP, Chief Admin. Officer & GC | Tax withholding(F) | 4K | $239.39 | $1.1M |
| Feb 27, 2026 | Arnst Thomas W | EVP, Chief Admin. Officer & GC | Tax withholding(F) | 15K | $239.39 | $3.6M |
| Feb 27, 2026 | Arnst Thomas W | EVP, Chief Admin. Officer & GC | Option exercise(M) | 6K | — | — |
| Feb 27, 2026 | Arnst Thomas W | EVP, Chief Admin. Officer & GC | Option exercise(M) | 6K | — | — |
| Feb 27, 2026 | Arnst Thomas W | EVP, Chief Admin. Officer & GC | Grant(A) | 8K | — | $0 |
| Feb 27, 2026 | Arnst Thomas W | EVP, Chief Admin. Officer & GC | Option exercise(M) | 6K | — | $0 |
| Feb 27, 2026 | Arnst Thomas W | EVP, Chief Admin. Officer & GC | Option exercise(M) | 6K | — | $0 |
| Feb 27, 2026 | Ramsey R. Scott | Principal Accounting Officer | Tax withholding(F) | 3K | $239.39 | $745K |
| Feb 27, 2026 | Ramsey R. Scott | Principal Accounting Officer | Tax withholding(F) | 919 | $239.39 | $220K |
| Feb 27, 2026 | Ramsey R. Scott | Principal Accounting Officer | Tax withholding(F) | 175 | $237.58 | $42K |
| Feb 27, 2026 | Ramsey R. Scott | Principal Accounting Officer | Option exercise(M) | 1K | — | — |
| Feb 27, 2026 | Ramsey R. Scott | Principal Accounting Officer | Option exercise(M) | 934 | — | — |
| Feb 27, 2026 | Ramsey R. Scott | Principal Accounting Officer | Option exercise(M) | 1K | — | $0 |
| Feb 27, 2026 | Ramsey R. Scott | Principal Accounting Officer | Option exercise(M) | 934 | — | $0 |
| Feb 27, 2026 | Foo Lisa Y | EVP, Chief Operating Officer | Tax withholding(F) | 14K | $239.39 | $3.3M |
| Feb 27, 2026 | Foo Lisa Y | EVP, Chief Operating Officer | Option exercise(M) | 5K | — | — |
| Feb 27, 2026 | Foo Lisa Y | EVP, Chief Operating Officer | Option exercise(M) | 4K | — | — |
| Feb 27, 2026 | Foo Lisa Y | EVP, Chief Operating Officer | Tax withholding(F) | 2K | $237.58 | $437K |
| Feb 27, 2026 | Foo Lisa Y | EVP, Chief Operating Officer | Tax withholding(F) | 4K | $239.39 | $1.0M |
| Feb 27, 2026 | Foo Lisa Y | EVP, Chief Operating Officer | Option exercise(M) | 5K | — | $0 |
| Feb 27, 2026 | Foo Lisa Y | EVP, Chief Operating Officer | Option exercise(M) | 4K | — | $0 |
| Feb 27, 2026 | Foo Lisa Y | EVP, Chief Operating Officer | Grant(A) | 8K | — | $0 |
| Feb 27, 2026 | Arbour Paola M | EVP, Chief Information Officer | Option exercise(M) | 2K | — | — |
| Feb 27, 2026 | Arbour Paola M | EVP, Chief Information Officer | Tax withholding(F) | 499 | $237.58 | $119K |
| Feb 27, 2026 | Arbour Paola M | EVP, Chief Information Officer | Tax withholding(F) | 2K | $239.39 | $440K |
| Feb 27, 2026 | Arbour Paola M | EVP, Chief Information Officer | Option exercise(M) | 3K | — | — |
| Feb 27, 2026 | Arbour Paola M | EVP, Chief Information Officer | Tax withholding(F) | 7K | $239.39 | $1.6M |
| Feb 27, 2026 | Arbour Paola M | EVP, Chief Information Officer | Option exercise(M) | 2K | — | $0 |
| Feb 27, 2026 | Arbour Paola M | EVP, Chief Information Officer | Option exercise(M) | 3K | — | $0 |
| Feb 27, 2026 | Park Sun | EVP & Chief Financial Officer | Tax withholding(F) | 2K | $237.58 | $386K |
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 → 2026-09-02. 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 THC