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 |
|---|---|---|---|---|---|---|
| Apr 22, 2026 | Quinif Jo Ann | President of DHCM | Disposed to issuer(D) | 816 | $175.00 | $143K |
| Apr 22, 2026 | Quinif Jo Ann | President of DHCM | Disposed to issuer(D) | 45K | $175.00 | $7.9M |
| Apr 22, 2026 | Fowler Gordon B | Director | Disposed to issuer(D) | 8K | $175.00 | $1.3M |
| Apr 22, 2026 | Hawley Austin | Director | Disposed to issuer(D) | 77K | $175.00 | $13.6M |
| Apr 22, 2026 | Line Thomas Edward | Chief Financial Officer | Disposed to issuer(D) | 1K | $175.00 | $226K |
| Apr 22, 2026 | Line Thomas Edward | Chief Financial Officer | Disposed to issuer(D) | 13K | $175.00 | $2.4M |
| Apr 22, 2026 | St. Pierre Nicole Renee | Director | Disposed to issuer(D) | 5K | $175.00 | $895K |
| Apr 22, 2026 | Thomas L'Quentus | Director | Disposed to issuer(D) | 3K | $175.00 | $458K |
| Apr 22, 2026 | Brilliant Heather E | Chief Executive Officer, Director | Disposed to issuer(D) | 473 | $175.00 | $83K |
| Apr 22, 2026 | Brilliant Heather E | Chief Executive Officer, Director | Disposed to issuer(D) | 67K | $175.00 | $11.7M |
| Apr 22, 2026 | Cooley Richard Scott | Director | Disposed to issuer(D) | 14K | $175.00 | $2.4M |
| Apr 22, 2026 | Meyer Paula R | Director | Disposed to issuer(D) | 4K | $175.00 | $659K |
| Apr 1, 2026 | Line Thomas Edward | Chief Financial Officer | Tax withholding(F) | 664 | $172.10 | $114K |
| Apr 1, 2026 | Brilliant Heather E | Chief Executive Officer, Director | Tax withholding(F) | 3K | $172.10 | $483K |
| Apr 1, 2026 | Hawley Austin | Director | Tax withholding(F) | 1K | $172.10 | $203K |
| Apr 1, 2026 | Quinif Jo Ann | President of DHCM | Tax withholding(F) | 2K | $172.10 | $358K |
| Oct 1, 2025 | Quinif Jo Ann | President of DHCM | Grant(A) | 21K | — | $0 |
| Sep 23, 2025 | Thomas L'Quentus | Director | Sell(S) | 250 | $141.10 | $35K |
| Sep 12, 2025 | Thomas L'Quentus | Director | Buy(P) | 13 | $143.00 | $2K |
| Sep 5, 2025 | Meyer Paula R | Director | Sell(S) | 350 | $141.80 | $50K |
| Jun 30, 2025 | Brilliant Heather E | Chief Executive Officer, Director | Grant(A) | 28K | — | $0 |
| Jun 13, 2025 | Thomas L'Quentus | Director | Buy(P) | 12 | $146.51 | $2K |
| Jun 13, 2025 | Quinif Jo Ann | President of DHCM | Sell(S) | 3K | $144.00 | $396K |
| Jun 13, 2025 | Quinif Jo Ann | President of DHCM | Buy(P) | 3K | $144.01 | $396K |
| May 6, 2025 | Cooley Richard Scott | Director | Buy(P) | 278 | $134.10 | $37K |
| May 2, 2025 | Cooley Richard Scott | Director | Buy(P) | 124 | $129.00 | $16K |
| May 1, 2025 | Cooley Richard Scott | Director | Buy(P) | 692 | $127.50 | $88K |
| Apr 30, 2025 | Cooley Richard Scott | Director | Buy(P) | 1K | $124.50 | $125K |
| Apr 29, 2025 | Meyer Paula R | Director | Grant(A) | 926 | — | $0 |
| Apr 29, 2025 | Cooley Richard Scott | Director | Grant(A) | 926 | — | $0 |
| Apr 29, 2025 | St. Pierre Nicole Renee | Director | Grant(A) | 926 | — | $0 |
| Apr 29, 2025 | Thomas L'Quentus | Director | Grant(A) | 926 | — | $0 |
| Apr 29, 2025 | Fowler Gordon B | Director | Grant(A) | 926 | — | $0 |
| Apr 1, 2025 | Line Thomas Edward | Chief Financial Officer | Tax withholding(F) | 795 | $142.84 | $114K |
| Apr 1, 2025 | Brilliant Heather E | Chief Executive Officer, Director | Other(J) | 167 | $121.41 | $20K |
| Apr 1, 2025 | Brilliant Heather E | Chief Executive Officer, Director | Tax withholding(F) | 2K | $142.84 | $318K |
| Apr 1, 2025 | Quinif Jo Ann | President of DHCM | Tax withholding(F) | 2K | $142.84 | $305K |
| Apr 1, 2025 | Quinif Jo Ann | President of DHCM | Other(J) | 167 | $121.41 | $20K |
| Mar 31, 2025 | Cooley Richard Scott | Director | Buy(P) | 100 | $142.50 | $14K |
| Mar 21, 2025 | Thomas L'Quentus | Director | Buy(P) | 12 | $146.50 | $2K |
| Mar 21, 2025 | Cooley Richard Scott | Director | Buy(P) | 50 | $143.50 | $7K |
| Mar 12, 2025 | Cooley Richard Scott | Director | Buy(P) | 500 | $144.00 | $72K |
| Mar 5, 2025 | Cooley Richard Scott | Director | Buy(P) | 500 | $146.00 | $73K |
| Feb 28, 2025 | Cooley Richard Scott | Director | Buy(P) | 272 | $144.00 | $39K |
| Feb 21, 2025 | Line Thomas Edward | Chief Financial Officer | Grant(A) | 2K | — | $0 |
| Feb 21, 2025 | Brilliant Heather E | Chief Executive Officer, Director | Grant(A) | 9K | — | $0 |
| Feb 21, 2025 | Quinif Jo Ann | President of DHCM | Grant(A) | 7K | — | $0 |
| Dec 20, 2024 | Cooley Richard Scott | Director | Buy(P) | 1K | $152.25 | $152K |
| Dec 17, 2024 | Brilliant Heather E | Chief Executive Officer, Director | Gift(G) | 2K | — | $0 |
| Dec 10, 2024 | Laird James F JR | Director | Gift(G) | 500 | — | $0 |
| Dec 6, 2024 | Thomas L'Quentus | Director | Buy(P) | 11 | $165.07 | $2K |
| Nov 21, 2024 | Laird James F JR | Director | Sell(S) | 6K | $170.26 | $1.0M |
| Nov 14, 2024 | Meyer Paula R | Director | Sell(S) | 300 | $169.00 | $51K |
| Nov 11, 2024 | Laird James F JR | Director | Sell(S) | 1K | $171.07 | $171K |
| Nov 8, 2024 | St. Pierre Nicole Renee | Director | Sell(S) | 300 | $167.00 | $50K |
| Nov 6, 2024 | Laird James F JR | Director | Sell(S) | 5K | $168.53 | $843K |
| Oct 1, 2024 | Brilliant Heather E | Chief Executive Officer, Director | Tax withholding(F) | 10K | $161.61 | $1.6M |
| Sep 23, 2024 | Thomas L'Quentus | Director | Sell(S) | 250 | $161.64 | $40K |
| Sep 13, 2024 | Thomas L'Quentus | Director | Buy(P) | 14 | $152.34 | $2K |
| Aug 8, 2024 | Laird James F JR | Director | Sell(S) | 3K | $150.20 | $451K |
| Jun 28, 2024 | Brilliant Heather E | Chief Executive Officer, Director | Buy(P) | 300 | $140.00 | $42K |
| Jun 27, 2024 | Brilliant Heather E | Chief Executive Officer, Director | Buy(P) | 250 | $139.38 | $35K |
| Jun 27, 2024 | Quinif Jo Ann | President of DHCM | Buy(P) | 400 | $139.24 | $56K |
| Jun 14, 2024 | Thomas L'Quentus | Director | Buy(P) | 7 | $149.44 | $1K |
| Jun 3, 2024 | Cooley Richard Scott | Director | Buy(P) | 500 | $150.00 | $75K |
| May 15, 2024 | Laird James F JR | Director | Sell(S) | 3K | $158.40 | $396K |
| May 15, 2024 | Line Thomas Edward | Chief Financial Officer | Gift(G) | 100 | — | $0 |
| May 15, 2024 | Line Thomas Edward | Chief Financial Officer | Sell(S) | 500 | $160.05 | $80K |
| May 14, 2024 | Line Thomas Edward | Chief Financial Officer | Sell(S) | 2K | $156.75 | $314K |
| May 13, 2024 | Line Thomas Edward | Chief Financial Officer | Sell(S) | 1K | $156.00 | $156K |
| May 9, 2024 | Meyer Paula R | Director | Grant(A) | 723 | — | $0 |
| May 9, 2024 | Cooley Richard Scott | Director | Grant(A) | 723 | — | $0 |
| May 9, 2024 | St. Pierre Nicole Renee | Director | Grant(A) | 723 | — | $0 |
| May 9, 2024 | Thomas L'Quentus | Director | Grant(A) | 723 | — | $0 |
| Apr 1, 2024 | Line Thomas Edward | Chief Financial Officer | Tax withholding(F) | 739 | $154.17 | $114K |
| Apr 1, 2024 | Brilliant Heather E | Chief Executive Officer, Director | Other(J) | 156 | $131.04 | $20K |
| Apr 1, 2024 | Brilliant Heather E | Chief Executive Officer, Director | Tax withholding(F) | 2K | $154.17 | $236K |
| Apr 1, 2024 | Quinif Jo Ann | President of DHCM | Tax withholding(F) | 2K | $154.17 | $252K |
| Apr 1, 2024 | Quinif Jo Ann | President of DHCM | Other(J) | 156 | $131.04 | $20K |
| Mar 22, 2024 | Thomas L'Quentus | Director | Buy(P) | 7 | $151.87 | $996 |
| Feb 16, 2024 | Line Thomas Edward | Chief Financial Officer | Grant(A) | 2K | — | $0 |
| Feb 16, 2024 | Brilliant Heather E | Chief Executive Officer, Director | Grant(A) | 7K | — | $0 |
| Feb 16, 2024 | Quinif Jo Ann | President of DHCM | Grant(A) | 6K | — | $0 |
| Jan 1, 2024 | Line Thomas Edward | Chief Financial Officer | Tax withholding(F) | 4K | $165.59 | $610K |
| Dec 20, 2023 | Laird James F JR | Director | Sell(S) | 2K | $170.36 | $256K |
| Dec 19, 2023 | Laird James F JR | Director | Sell(S) | 1K | $170.00 | $170K |
| Dec 18, 2023 | Laird James F JR | Director | Sell(S) | 500 | $169.50 | $85K |
| Dec 8, 2023 | Thomas L'Quentus | Director | Buy(P) | 6 | $166.59 | $988 |
| Nov 2, 2023 | Brilliant Heather E | Chief Executive Officer, Director | Buy(P) | 325 | $149.48 | $49K |
| Aug 30, 2023 | Meyer Paula R | Director | Sell(S) | 500 | $171.31 | $86K |
| Aug 24, 2023 | Line Thomas Edward | Chief Financial Officer | Gift(G) | 100 | — | $0 |
| May 11, 2023 | Meyer Paula R | Director | Grant(A) | 727 | — | $0 |
| May 11, 2023 | Cooley Richard Scott | Director | Grant(A) | 727 | — | $0 |
| May 11, 2023 | St. Pierre Nicole Renee | Director | Grant(A) | 727 | — | $0 |
| May 11, 2023 | Thomas L'Quentus | Director | Grant(A) | 727 | — | $0 |
| May 11, 2023 | Zinkula Mark | Director | Grant(A) | 727 | — | $0 |
| Apr 1, 2023 | Line Thomas Edward | Chief Financial Officer | Tax withholding(F) | 552 | $164.58 | $91K |
| Apr 1, 2023 | Brilliant Heather E | Chief Executive Officer, Director | Tax withholding(F) | 943 | $164.58 | $155K |
| Apr 1, 2023 | Quinif Jo Ann | President of DHCM | Tax withholding(F) | 1K | $164.58 | $193K |
| Mar 31, 2023 | Brilliant Heather E | Chief Executive Officer, Director | Other(J) | 135 | $164.58 | $22K |
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).