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 3, 2026 | Willis Austin Chandler | President and CEO, Director, 10% Owner | Sell(S) | 9K | $73.68 | $690K |
| Aug 3, 2026 | Willis Austin Chandler | President and CEO, Director, 10% Owner | Sell(S) | 6K | $72.77 | $410K |
| Jul 31, 2026 | Flaherty Scott B. | EVP, CFO | Buy(P) | 148 | $29.07 | $4K |
| Jul 1, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 500 | $220.62 | $110K |
| Jul 1, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 2K | $221.81 | $377K |
| Jul 1, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 700 | $222.71 | $156K |
| Jul 1, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 500 | $223.91 | $112K |
| Jul 1, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 200 | $225.09 | $45K |
| Jul 1, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 248 | $227.21 | $56K |
| Jul 1, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 1K | $227.99 | $251K |
| Jul 1, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 236 | $229.53 | $54K |
| May 26, 2026 | Curran Brendan | Director | Grant(A) | 674 | $185.62 | $125K |
| May 26, 2026 | Barrington Colm | Director | Grant(A) | 674 | $185.62 | $125K |
| May 26, 2026 | Jones Stephen Francis | Director | Grant(A) | 674 | $185.62 | $125K |
| May 15, 2026 | Dameron Clifton | SVP, GC & Corporate Secretary | Tax withholding(F) | 612 | $180.03 | $110K |
| May 1, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 800 | $191.22 | $153K |
| May 1, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 1K | $192.74 | $286K |
| May 1, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 716 | $193.63 | $139K |
| May 1, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 400 | $194.43 | $78K |
| Apr 1, 2026 | Flaherty Scott B. | EVP, CFO | Tax withholding(F) | 16K | $175.62 | $2.8M |
| Apr 1, 2026 | Willis Charles F IV | Executive Chairman, Director, 10% Owner | Tax withholding(F) | 43K | $175.62 | $7.5M |
| Apr 1, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 983 | $172.49 | $170K |
| Apr 1, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 1K | $173.60 | $214K |
| Apr 1, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 1K | $174.37 | $207K |
| Apr 1, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Tax withholding(F) | 25K | $175.62 | $4.3M |
| Mar 31, 2026 | Willis Charles F IV | Executive Chairman, Director, 10% Owner | Sell(S) | 945 | $165.11 | $156K |
| Mar 31, 2026 | Willis Charles F IV | Executive Chairman, Director, 10% Owner | Sell(S) | 600 | $166.51 | $100K |
| Mar 31, 2026 | Willis Charles F IV | Executive Chairman, Director, 10% Owner | Sell(S) | 1K | $169.52 | $220K |
| Mar 31, 2026 | Willis Charles F IV | Executive Chairman, Director, 10% Owner | Sell(S) | 437 | $170.49 | $75K |
| Mar 30, 2026 | Willis Charles F IV | Executive Chairman, Director, 10% Owner | Sell(S) | 2K | $162.54 | $302K |
| Mar 30, 2026 | Willis Charles F IV | Executive Chairman, Director, 10% Owner | Sell(S) | 1K | $163.39 | $197K |
| Mar 30, 2026 | Willis Charles F IV | Executive Chairman, Director, 10% Owner | Sell(S) | 1K | $164.38 | $203K |
| Mar 30, 2026 | Willis Charles F IV | Executive Chairman, Director, 10% Owner | Sell(S) | 1K | $166.71 | $182K |
| Mar 30, 2026 | Willis Charles F IV | Executive Chairman, Director, 10% Owner | Sell(S) | 331 | $167.99 | $56K |
| Mar 27, 2026 | Willis Charles F IV | Executive Chairman, Director, 10% Owner | Sell(S) | 478 | $168.02 | $80K |
| Mar 27, 2026 | Willis Charles F IV | Executive Chairman, Director, 10% Owner | Sell(S) | 2K | $168.99 | $259K |
| Mar 27, 2026 | Willis Charles F IV | Executive Chairman, Director, 10% Owner | Sell(S) | 6K | $170.26 | $962K |
| Mar 27, 2026 | Willis Charles F IV | Executive Chairman, Director, 10% Owner | Sell(S) | 2K | $170.90 | $353K |
| Mar 26, 2026 | Willis Charles F IV | Executive Chairman, Director, 10% Owner | Sell(S) | 100 | $173.50 | $17K |
| Mar 26, 2026 | Willis Charles F IV | Executive Chairman, Director, 10% Owner | Sell(S) | 800 | $175.18 | $140K |
| Mar 26, 2026 | Willis Charles F IV | Executive Chairman, Director, 10% Owner | Sell(S) | 3K | $171.35 | $543K |
| Mar 26, 2026 | Willis Charles F IV | Executive Chairman, Director, 10% Owner | Sell(S) | 200 | $172.32 | $34K |
| Mar 25, 2026 | Willis Charles F IV | Executive Chairman, Director, 10% Owner | Sell(S) | 1K | $175.92 | $176K |
| Mar 25, 2026 | Willis Charles F IV | Executive Chairman, Director, 10% Owner | Sell(S) | 1K | $177.57 | $178K |
| Mar 19, 2026 | Willis Charles F IV | Executive Chairman, Director, 10% Owner | Tax withholding(F) | 6K | $170.53 | $953K |
| Mar 18, 2026 | Willis Charles F IV | Executive Chairman, Director, 10% Owner | Sell(S) | 238 | $167.55 | $40K |
| Mar 17, 2026 | Jones Stephen Francis | Director | Sell(S) | 587 | $167.26 | $98K |
| Mar 16, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Option exercise(M) | 6K | — | — |
| Mar 16, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Tax withholding(F) | 785 | $167.18 | $131K |
| Mar 16, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Option exercise(M) | 6K | — | — |
| Mar 16, 2026 | Willis Charles F IV | Executive Chairman, Director, 10% Owner | Option exercise(M) | 11K | — | — |
| Mar 16, 2026 | Willis Charles F IV | Executive Chairman, Director, 10% Owner | Tax withholding(F) | 1K | $167.18 | $227K |
| Mar 16, 2026 | Willis Charles F IV | Executive Chairman, Director, 10% Owner | Option exercise(M) | 11K | — | — |
| Mar 16, 2026 | Flaherty Scott B. | EVP, CFO | Tax withholding(F) | 364 | $167.18 | $61K |
| Mar 16, 2026 | Flaherty Scott B. | EVP, CFO | Option exercise(M) | 3K | — | — |
| Mar 16, 2026 | Flaherty Scott B. | EVP, CFO | Option exercise(M) | 3K | — | — |
| Mar 16, 2026 | Dameron Clifton | SVP, GC & Corporate Secretary | Option exercise(M) | 3K | — | — |
| Mar 16, 2026 | Dameron Clifton | SVP, GC & Corporate Secretary | Tax withholding(F) | 213 | $167.18 | $36K |
| Mar 16, 2026 | Dameron Clifton | SVP, GC & Corporate Secretary | Option exercise(M) | 3K | — | — |
| Mar 2, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 200 | $198.51 | $40K |
| Mar 2, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 961 | $194.45 | $187K |
| Mar 2, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 40 | $200.89 | $8K |
| Mar 2, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 100 | $199.77 | $20K |
| Mar 2, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 400 | $197.59 | $79K |
| Mar 2, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 647 | $196.63 | $127K |
| Mar 2, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 1K | $195.09 | $205K |
| Feb 2, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 1K | $185.50 | $223K |
| Feb 2, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 200 | $183.00 | $37K |
| Feb 2, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 260 | $187.45 | $49K |
| Feb 2, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 1K | $186.67 | $213K |
| Feb 2, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 600 | $184.64 | $111K |
| Jan 30, 2026 | Hole Brian Richard | PRESIDENT | Grant(A) | 221 | $87.21 | $19K |
| Jan 30, 2026 | Flaherty Scott B. | EVP, CFO | Grant(A) | 194 | $87.21 | $17K |
| Jan 30, 2026 | Dameron Clifton | SVP, GC & Corporate Secretary | Grant(A) | 185 | $114.75 | $21K |
| Jan 2, 2026 | Willis Charles F IV | Executive Chairman, Director, 10% Owner | Grant(A) | 20K | $134.12 | $2.7M |
| Jan 2, 2026 | Willis Charles F IV | Executive Chairman, Director, 10% Owner | Tax withholding(F) | 2K | $134.12 | $233K |
| Jan 2, 2026 | Willis Charles F IV | Executive Chairman, Director, 10% Owner | Grant(A) | 30K | $134.12 | $4.0M |
| Jan 2, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Tax withholding(F) | 1K | $134.12 | $139K |
| Jan 2, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Grant(A) | 15K | $134.12 | $2.0M |
| Jan 2, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 100 | $134.80 | $13K |
| Jan 2, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 3K | $133.45 | $347K |
| Jan 2, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Sell(S) | 700 | $132.57 | $93K |
| Jan 2, 2026 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Grant(A) | 22K | $134.12 | $3.0M |
| Jan 2, 2026 | Hole Brian Richard | PRESIDENT | Tax withholding(F) | 706 | $134.12 | $95K |
| Jan 2, 2026 | Flaherty Scott B. | EVP, CFO | Tax withholding(F) | 520 | $134.12 | $70K |
| Jan 2, 2026 | Flaherty Scott B. | EVP, CFO | Grant(A) | 6K | $134.12 | $831K |
| Jan 2, 2026 | Flaherty Scott B. | EVP, CFO | Grant(A) | 9K | $134.12 | $1.2M |
| Jan 2, 2026 | Dameron Clifton | SVP, GC & Corporate Secretary | Tax withholding(F) | 320 | $134.12 | $43K |
| Jan 2, 2026 | Dameron Clifton | SVP, GC & Corporate Secretary | Grant(A) | 4K | $134.12 | $600K |
| Jan 2, 2026 | Dameron Clifton | SVP, GC & Corporate Secretary | Grant(A) | 7K | $134.12 | $900K |
| Dec 5, 2025 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Gift(G) | 795 | — | $0 |
| Dec 5, 2025 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Gift(G) | 795 | — | $0 |
| Dec 5, 2025 | Willis Austin Chandler | Chief Executive Officer, Director, 10% Owner | Gift(G) | 795 | — | $0 |
| Dec 4, 2025 | Willis Charles F IV | Executive Chairman, Director, 10% Owner | Disposed to issuer(D) | 30K | $126.28 | $3.8M |
| Dec 2, 2025 | Willis Austin Chandler | Chief Executive Officer, Director | Sell(S) | 3K | $120.25 | $317K |
| Dec 2, 2025 | Willis Austin Chandler | Chief Executive Officer, Director | Sell(S) | 177 | $121.40 | $21K |
| Dec 2, 2025 | Willis Austin Chandler | Chief Executive Officer, Director | Sell(S) | 3 | $122.18 | $367 |
| Dec 2, 2025 | Willis Austin Chandler | Chief Executive Officer, Director | Sell(S) | 697 | $120.25 | $84K |
| Dec 2, 2025 | Willis Austin Chandler | Chief Executive Officer, Director | Sell(S) | 47 | $121.40 | $6K |
| Dec 2, 2025 | Willis Austin Chandler | Chief Executive Officer, Director | Sell(S) | 697 | $120.25 | $84K |
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 2019-12-30 → 2026-08-06. 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 WLFC