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 |
|---|---|---|---|---|---|---|
| Sep 1, 2026 | Tan Irving | Chief Executive Officer, Director | Gift(G) | 113K | — | $0 |
| Sep 1, 2026 | Tan Irving | Chief Executive Officer, Director | Gift(G) | 113K | — | $0 |
| Sep 1, 2026 | Streeter Stephanie A | Director | Sell(S) | 2K | $455.00 | $728K |
| Aug 31, 2026 | Tan Irving | Chief Executive Officer, Director | Other(J) | 113K | — | $0 |
| Aug 31, 2026 | Tan Irving | Chief Executive Officer, Director | Other(J) | 113K | — | $0 |
| Aug 31, 2026 | Streeter Stephanie A | Director | Sell(S) | 2K | $448.58 | $897K |
| Aug 31, 2026 | Streeter Stephanie A | Director | Sell(S) | 2K | $447.06 | $894K |
| Aug 27, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | Sell(S) | 1K | $478.36 | $482K |
| Aug 26, 2026 | Davis Brian Scott | Chief Sales & Mrktng Officer | Option exercise(M) | 8 | — | $0 |
| Aug 26, 2026 | Davis Brian Scott | Chief Sales & Mrktng Officer | Tax withholding(F) | 2K | $468.88 | $771K |
| Aug 26, 2026 | Davis Brian Scott | Chief Sales & Mrktng Officer | Option exercise(M) | 7 | — | $0 |
| Aug 26, 2026 | Gubbi Vidyadhara K | Chief of Global Operations | Option exercise(M) | 9 | — | $0 |
| Aug 26, 2026 | Gubbi Vidyadhara K | Chief of Global Operations | Tax withholding(F) | 2K | $468.88 | $964K |
| Aug 26, 2026 | Gubbi Vidyadhara K | Chief of Global Operations | Option exercise(M) | 9 | — | $0 |
| Aug 26, 2026 | Sennesael Kris | Chief Financial Officer | Option exercise(M) | 20 | — | $0 |
| Aug 26, 2026 | Sennesael Kris | Chief Financial Officer | Tax withholding(F) | 4K | $468.88 | $2.0M |
| Aug 26, 2026 | Sennesael Kris | Chief Financial Officer | Option exercise(M) | 19 | — | $0 |
| Aug 26, 2026 | Shihab Ahmed Mohammed | Chief Product Officer | Option exercise(M) | 16 | — | $0 |
| Aug 26, 2026 | Shihab Ahmed Mohammed | Chief Product Officer | Tax withholding(F) | 3K | $468.88 | $1.3M |
| Aug 26, 2026 | Shihab Ahmed Mohammed | Chief Product Officer | Option exercise(M) | 15 | — | $0 |
| Aug 26, 2026 | Tan Irving | Chief Executive Officer, Director | Option exercise(M) | 42 | — | $0 |
| Aug 26, 2026 | Tan Irving | Chief Executive Officer, Director | Tax withholding(F) | 3K | $468.88 | $1.6M |
| Aug 26, 2026 | Tan Irving | Chief Executive Officer, Director | Option exercise(M) | 42 | — | $0 |
| Aug 26, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | Option exercise(M) | 9 | — | $0 |
| Aug 26, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | Tax withholding(F) | 2K | $468.88 | $765K |
| Aug 26, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | Option exercise(M) | 9 | — | $0 |
| Aug 26, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | Sell(S) | 476 | $450.78 | $215K |
| Aug 25, 2026 | Davis Brian Scott | Chief Sales & Mrktng Officer | Option exercise(M) | 8 | — | $0 |
| Aug 25, 2026 | Davis Brian Scott | Chief Sales & Mrktng Officer | Grant(A) | 4K | — | $0 |
| Aug 25, 2026 | Davis Brian Scott | Chief Sales & Mrktng Officer | Tax withholding(F) | 971 | $450.75 | $438K |
| Aug 25, 2026 | Davis Brian Scott | Chief Sales & Mrktng Officer | Option exercise(M) | 7 | — | $0 |
| Aug 25, 2026 | Feller Brad | SVP & Chief Accounting Officer | Grant(A) | 2K | — | $0 |
| Aug 25, 2026 | Gubbi Vidyadhara K | Chief of Global Operations | Option exercise(M) | 9 | — | $0 |
| Aug 25, 2026 | Gubbi Vidyadhara K | Chief of Global Operations | Grant(A) | 5K | — | $0 |
| Aug 25, 2026 | Gubbi Vidyadhara K | Chief of Global Operations | Tax withholding(F) | 1K | $450.75 | $515K |
| Aug 25, 2026 | Gubbi Vidyadhara K | Chief of Global Operations | Option exercise(M) | 9 | — | $0 |
| Aug 25, 2026 | Sennesael Kris | Chief Financial Officer | Grant(A) | 8K | — | $0 |
| Aug 25, 2026 | Shihab Ahmed Mohammed | Chief Product Officer | Grant(A) | 7K | — | $0 |
| Aug 25, 2026 | Tan Irving | Chief Executive Officer, Director | Option exercise(M) | 32 | — | $0 |
| Aug 25, 2026 | Tan Irving | Chief Executive Officer, Director | Grant(A) | 17K | — | $0 |
| Aug 25, 2026 | Tan Irving | Chief Executive Officer, Director | Tax withholding(F) | 476 | $450.75 | $215K |
| Aug 25, 2026 | Tan Irving | Chief Executive Officer, Director | Option exercise(M) | 32 | — | $0 |
| Aug 25, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | Option exercise(M) | 8 | — | $0 |
| Aug 25, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | Grant(A) | 4K | — | $0 |
| Aug 25, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | Tax withholding(F) | 771 | $450.75 | $348K |
| Aug 25, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | Option exercise(M) | 7 | — | $0 |
| Aug 24, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | Sell(S) | 684 | $446.17 | $305K |
| Aug 21, 2026 | Gubbi Vidyadhara K | Chief of Global Operations | Option exercise(M) | 6 | — | $0 |
| Aug 21, 2026 | Gubbi Vidyadhara K | Chief of Global Operations | Tax withholding(F) | 694 | $459.44 | $319K |
| Aug 21, 2026 | Gubbi Vidyadhara K | Chief of Global Operations | Option exercise(M) | 5 | — | $0 |
| Aug 21, 2026 | Tan Irving | Chief Executive Officer, Director | Option exercise(M) | 25 | — | $0 |
| Aug 21, 2026 | Tan Irving | Chief Executive Officer, Director | Tax withholding(F) | 545 | $459.44 | $250K |
| Aug 21, 2026 | Tan Irving | Chief Executive Officer, Director | Option exercise(M) | 25 | — | $0 |
| Aug 21, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | Option exercise(M) | 11 | — | $0 |
| Aug 21, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | Tax withholding(F) | 1K | $459.44 | $510K |
| Aug 21, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | Option exercise(M) | 11 | — | $0 |
| Aug 21, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | Sell(S) | 235 | $477.27 | $112K |
| Aug 21, 2026 | Davis Brian Scott | Chief Sales & Mrktng Officer | Option exercise(M) | 5 | — | $0 |
| Aug 21, 2026 | Davis Brian Scott | Chief Sales & Mrktng Officer | Tax withholding(F) | 593 | $459.44 | $272K |
| Aug 21, 2026 | Davis Brian Scott | Chief Sales & Mrktng Officer | Option exercise(M) | 4 | — | $0 |
| Aug 20, 2026 | Gubbi Vidyadhara K | Chief of Global Operations | Option exercise(M) | 5 | — | $0 |
| Aug 20, 2026 | Gubbi Vidyadhara K | Chief of Global Operations | Tax withholding(F) | 592 | $469.05 | $278K |
| Aug 20, 2026 | Gubbi Vidyadhara K | Chief of Global Operations | Option exercise(M) | 4 | — | $0 |
| Aug 20, 2026 | Tan Irving | Chief Executive Officer, Director | Option exercise(M) | 13 | — | $0 |
| Aug 20, 2026 | Tan Irving | Chief Executive Officer, Director | Tax withholding(F) | 144 | $469.05 | $68K |
| Aug 20, 2026 | Tan Irving | Chief Executive Officer, Director | Option exercise(M) | 13 | — | $0 |
| Aug 20, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | Option exercise(M) | 4 | — | $0 |
| Aug 20, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | Tax withholding(F) | 379 | $469.05 | $178K |
| Aug 20, 2026 | Tregillis Cynthia L | Chief Legal Officer & Corp Sec | Option exercise(M) | 3 | — | $0 |
| Aug 20, 2026 | Davis Brian Scott | Chief Sales & Mrktng Officer | Option exercise(M) | 6 | — | $0 |
| Aug 20, 2026 | Davis Brian Scott | Chief Sales & Mrktng Officer | Option exercise(M) | 5 | — | $0 |
| Aug 20, 2026 | Davis Brian Scott | Chief Sales & Mrktng Officer | Tax withholding(F) | 716 | $469.05 | $336K |
| Aug 11, 2026 | Tan Irving | Chief Executive Officer, Director | Sell(S) | 2K | $441.48 | $1.1M |
| Aug 11, 2026 | Tan Irving | Chief Executive Officer, Director | Sell(S) | 989 | $442.22 | $437K |
| Aug 11, 2026 | Tan Irving | Chief Executive Officer, Director | Sell(S) | 2K | $443.35 | $816K |
| Aug 11, 2026 | Tan Irving | Chief Executive Officer, Director | Sell(S) | 2K | $444.67 | $836K |
| Aug 11, 2026 | Tan Irving | Chief Executive Officer, Director | Sell(S) | 5K | $445.45 | $2.1M |
| Aug 11, 2026 | Tan Irving | Chief Executive Officer, Director | Sell(S) | 6K | $446.38 | $2.9M |
| Aug 11, 2026 | Tan Irving | Chief Executive Officer, Director | Sell(S) | 2K | $447.18 | $691K |
| Jul 28, 2026 | Cole Martin I | Director | Sell(S) | 160 | $462.30 | $74K |
| Jul 28, 2026 | Cole Martin I | Director | Sell(S) | 32 | $465.12 | $15K |
| Jul 28, 2026 | Cole Martin I | Director | Sell(S) | 64 | $424.05 | $27K |
| Jul 28, 2026 | Cole Martin I | Director | Sell(S) | 32 | $425.31 | $14K |
| Jul 28, 2026 | Cole Martin I | Director | Sell(S) | 64 | $426.45 | $27K |
| Jul 28, 2026 | Cole Martin I | Director | Sell(S) | 115 | $428.08 | $49K |
| Jul 28, 2026 | Cole Martin I | Director | Sell(S) | 93 | $429.12 | $40K |
| Jul 28, 2026 | Cole Martin I | Director | Sell(S) | 103 | $430.45 | $44K |
| Jul 28, 2026 | Cole Martin I | Director | Sell(S) | 115 | $431.41 | $50K |
| Jul 28, 2026 | Cole Martin I | Director | Sell(S) | 38 | $432.20 | $16K |
| Jul 28, 2026 | Cole Martin I | Director | Sell(S) | 112 | $433.84 | $49K |
| Jul 28, 2026 | Cole Martin I | Director | Sell(S) | 64 | $434.81 | $28K |
| Jul 28, 2026 | Cole Martin I | Director | Sell(S) | 32 | $435.59 | $14K |
| Jul 28, 2026 | Cole Martin I | Director | Sell(S) | 154 | $436.89 | $67K |
| Jul 28, 2026 | Cole Martin I | Director | Sell(S) | 118 | $438.08 | $52K |
| Jul 28, 2026 | Cole Martin I | Director | Sell(S) | 64 | $439.38 | $28K |
| Jul 28, 2026 | Cole Martin I | Director | Sell(S) | 96 | $440.96 | $42K |
| Jul 28, 2026 | Cole Martin I | Director | Sell(S) | 32 | $442.47 | $14K |
| Jul 28, 2026 | Cole Martin I | Director | Sell(S) | 32 | $444.51 | $14K |
| Jul 28, 2026 | Cole Martin I | Director | Sell(S) | 32 | $447.10 | $14K |
| Jul 28, 2026 | Cole Martin I | Director | Sell(S) | 41 | $448.46 | $18K |
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 → 2026-09-03. 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 WDC