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 27, 2023 | Larson Michael | Director | Buy(P) | 5K | $8.30 | $42K |
| Jul 15, 2022 | Larson Michael | Director | Buy(P) | 5K | $10.16 | $51K |
| May 31, 2022 | Cascade Investment, L.L.C. | 10% Owner | Buy(P) | 149K | $11.23 | $1.7M |
| May 27, 2022 | Cascade Investment, L.L.C. | 10% Owner | Buy(P) | 39K | $11.17 | $434K |
| May 26, 2022 | Cascade Investment, L.L.C. | 10% Owner | Buy(P) | 47K | $11.05 | $522K |
| May 25, 2022 | Cascade Investment, L.L.C. | 10% Owner | Buy(P) | 63K | $10.97 | $696K |
| May 24, 2022 | Gates William H III | 10% Owner | Buy(P) | 41K | $10.75 | $440K |
| May 23, 2022 | Gates William H III | 10% Owner | Buy(P) | 16K | $10.59 | $167K |
| May 20, 2022 | Cascade Investment, L.L.C. | 10% Owner | Buy(P) | 30K | $10.52 | $312K |
| May 19, 2022 | Cascade Investment, L.L.C. | 10% Owner | Buy(P) | 64K | $10.60 | $675K |
| May 18, 2022 | Gates William H III | 10% Owner | Buy(P) | 51K | $10.58 | $542K |
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 WIW