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 |
|---|---|---|---|---|---|---|
| May 22, 2026 | Thompson Tony | Senior Vice President | Option exercise(M) | 354 | — | $0 |
| May 22, 2026 | Thompson Tony | Senior Vice President | Tax withholding(F) | 140 | $199.13 | $28K |
| May 22, 2026 | Thompson Tony | Senior Vice President | Option exercise(M) | 354 | $199.13 | $70K |
| May 22, 2026 | Newby Matt | EVP & General Counsel | Option exercise(M) | 559 | — | $0 |
| May 22, 2026 | Newby Matt | EVP & General Counsel | Tax withholding(F) | 220 | $199.13 | $44K |
| May 22, 2026 | Newby Matt | EVP & General Counsel | Option exercise(M) | 559 | $199.13 | $111K |
| May 22, 2026 | Kesler Dale Craig | EVP and CFO | Option exercise(M) | 824 | — | $0 |
| May 22, 2026 | Kesler Dale Craig | EVP and CFO | Tax withholding(F) | 325 | $199.13 | $65K |
| May 22, 2026 | Kesler Dale Craig | EVP and CFO | Option exercise(M) | 824 | $199.13 | $164K |
| May 22, 2026 | Haack Michael | President and CEO, Director | Option exercise(M) | 4K | — | $0 |
| May 22, 2026 | Haack Michael | President and CEO, Director | Tax withholding(F) | 1K | $199.13 | $276K |
| May 22, 2026 | Haack Michael | President and CEO, Director | Option exercise(M) | 4K | $199.13 | $702K |
| May 22, 2026 | Haddock Alex | Senior Vice President | Option exercise(M) | 354 | — | $0 |
| May 22, 2026 | Haddock Alex | Senior Vice President | Tax withholding(F) | 140 | $199.13 | $28K |
| May 22, 2026 | Haddock Alex | Senior Vice President | Option exercise(M) | 354 | $199.13 | $70K |
| May 22, 2026 | Devlin William R | SVP, Controller | Option exercise(M) | 266 | — | $0 |
| May 22, 2026 | Devlin William R | SVP, Controller | Tax withholding(F) | 105 | $199.13 | $21K |
| May 22, 2026 | Devlin William R | SVP, Controller | Option exercise(M) | 266 | $199.13 | $53K |
| May 22, 2026 | Cribbs Eric | President (American Gypsum) | Option exercise(M) | 589 | — | $0 |
| May 22, 2026 | Cribbs Eric | President (American Gypsum) | Tax withholding(F) | 232 | $199.13 | $46K |
| May 22, 2026 | Cribbs Eric | President (American Gypsum) | Option exercise(M) | 589 | $199.13 | $117K |
| May 21, 2026 | Thompson Tony | Senior Vice President | Grant(A) | 1K | — | $0 |
| May 21, 2026 | Newby Matt | EVP & General Counsel | Grant(A) | 3K | — | $0 |
| May 21, 2026 | Newby Matt | EVP & General Counsel | Grant(A) | 1K | — | $0 |
| May 21, 2026 | Kesler Dale Craig | EVP and CFO | Grant(A) | 5K | — | $0 |
| May 21, 2026 | Kesler Dale Craig | EVP and CFO | Grant(A) | 2K | — | $0 |
| May 21, 2026 | Haack Michael | President and CEO, Director | Grant(A) | 20K | — | $0 |
| May 21, 2026 | Haack Michael | President and CEO, Director | Grant(A) | 8K | — | $0 |
| May 21, 2026 | Haddock Alex | Senior Vice President | Grant(A) | 1K | — | $0 |
| May 21, 2026 | Cribbs Eric | President (American Gypsum) | Grant(A) | 2K | — | $0 |
| May 18, 2026 | Thompson Tony | Senior Vice President | Tax withholding(F) | 319 | $194.66 | $62K |
| May 18, 2026 | Newby Matt | EVP & General Counsel | Tax withholding(F) | 532 | $194.66 | $104K |
| May 18, 2026 | Kesler Dale Craig | EVP and CFO | Tax withholding(F) | 921 | $194.66 | $179K |
| May 18, 2026 | Haddock Alex | Senior Vice President | Tax withholding(F) | 284 | $194.66 | $55K |
| May 18, 2026 | Haack Michael | President and CEO, Director | Tax withholding(F) | 3K | $194.66 | $662K |
| May 18, 2026 | Devlin William R | SVP, Controller | Tax withholding(F) | 319 | $194.66 | $62K |
| May 18, 2026 | Cribbs Eric | President (American Gypsum) | Tax withholding(F) | 355 | $194.66 | $69K |
| May 11, 2026 | Thompson Tony | Senior Vice President | Grant(A) | 810 | — | $0 |
| May 11, 2026 | Haddock Alex | Senior Vice President | Grant(A) | 720 | — | $0 |
| May 11, 2026 | Haack Michael | President and CEO, Director | Grant(A) | 9K | — | $0 |
| May 11, 2026 | Cribbs Eric | President (American Gypsum) | Grant(A) | 900 | — | $0 |
| May 11, 2026 | Devlin William R | SVP, Controller | Grant(A) | 810 | — | $0 |
| May 11, 2026 | Newby Matt | EVP & General Counsel | Grant(A) | 1K | — | $0 |
| May 11, 2026 | Kesler Dale Craig | EVP and CFO | Grant(A) | 2K | — | $0 |
| Apr 13, 2026 | Haddock Alex | Senior Vice President | Grant(A) | 1 | — | $0 |
| Apr 13, 2026 | Haddock Alex | Senior Vice President | Grant(A) | 0 | — | $0 |
| Apr 13, 2026 | Haack Michael | President and CEO, Director | Grant(A) | 13 | — | $0 |
| Apr 13, 2026 | Haack Michael | President and CEO, Director | Grant(A) | 5 | — | $0 |
| Apr 13, 2026 | Cribbs Eric | President (American Gypsum) | Grant(A) | 2 | — | $0 |
| Apr 13, 2026 | Cribbs Eric | President (American Gypsum) | Grant(A) | 1 | — | $0 |
| Apr 13, 2026 | Thompson Tony | Senior Vice President | Grant(A) | 1 | — | $0 |
| Apr 13, 2026 | Thompson Tony | Senior Vice President | Grant(A) | 0 | — | $0 |
| Apr 13, 2026 | Nicolais Michael R | Director | Grant(A) | 5 | — | $0 |
| Apr 13, 2026 | Newby Matt | EVP & General Counsel | Grant(A) | 2 | — | $0 |
| Apr 13, 2026 | Newby Matt | EVP & General Counsel | Grant(A) | 1 | — | $0 |
| Apr 13, 2026 | Devlin William R | SVP, Controller | Grant(A) | 1 | — | $0 |
| Apr 13, 2026 | Devlin William R | SVP, Controller | Grant(A) | 0 | — | $0 |
| Apr 13, 2026 | Kesler Dale Craig | EVP and CFO | Grant(A) | 3 | — | $0 |
| Apr 13, 2026 | Kesler Dale Craig | EVP and CFO | Grant(A) | 1 | — | $0 |
| Mar 31, 2026 | Haddock Alex | Senior Vice President | Option exercise(M) | 317 | — | $0 |
| Mar 31, 2026 | Haddock Alex | Senior Vice President | Tax withholding(F) | 131 | $181.50 | $24K |
| Mar 31, 2026 | Haddock Alex | Senior Vice President | Option exercise(M) | 317 | $181.50 | $58K |
| Mar 31, 2026 | Haddock Alex | Senior Vice President | Tax withholding(F) | 164 | $181.50 | $30K |
| Mar 31, 2026 | Kesler Dale Craig | EVP and CFO | Option exercise(M) | 951 | — | $0 |
| Mar 31, 2026 | Kesler Dale Craig | EVP and CFO | Tax withholding(F) | 376 | $181.50 | $68K |
| Mar 31, 2026 | Kesler Dale Craig | EVP and CFO | Option exercise(M) | 951 | $181.50 | $173K |
| Mar 31, 2026 | Kesler Dale Craig | EVP and CFO | Tax withholding(F) | 1K | $181.50 | $210K |
| Mar 31, 2026 | Thompson Tony | Senior Vice President | Option exercise(M) | 317 | — | $0 |
| Mar 31, 2026 | Thompson Tony | Senior Vice President | Tax withholding(F) | 130 | $181.50 | $24K |
| Mar 31, 2026 | Thompson Tony | Senior Vice President | Option exercise(M) | 317 | $181.50 | $58K |
| Mar 31, 2026 | Thompson Tony | Senior Vice President | Tax withholding(F) | 487 | $181.50 | $88K |
| Mar 31, 2026 | Newby Matt | EVP & General Counsel | Option exercise(M) | 600 | — | $0 |
| Mar 31, 2026 | Newby Matt | EVP & General Counsel | Tax withholding(F) | 239 | $181.50 | $43K |
| Mar 31, 2026 | Newby Matt | EVP & General Counsel | Option exercise(M) | 600 | $181.50 | $109K |
| Mar 31, 2026 | Newby Matt | EVP & General Counsel | Tax withholding(F) | 907 | $181.50 | $165K |
| Mar 31, 2026 | Haack Michael | President and CEO, Director | Option exercise(M) | 4K | — | $0 |
| Mar 31, 2026 | Haack Michael | President and CEO, Director | Tax withholding(F) | 2K | $181.50 | $284K |
| Mar 31, 2026 | Haack Michael | President and CEO, Director | Option exercise(M) | 4K | $181.50 | $723K |
| Mar 31, 2026 | Haack Michael | President and CEO, Director | Tax withholding(F) | 5K | $181.50 | $868K |
| Mar 31, 2026 | Devlin William R | SVP, Controller | Option exercise(M) | 317 | — | $0 |
| Mar 31, 2026 | Devlin William R | SVP, Controller | Tax withholding(F) | 130 | $181.50 | $24K |
| Mar 31, 2026 | Devlin William R | SVP, Controller | Option exercise(M) | 317 | $181.50 | $58K |
| Mar 31, 2026 | Devlin William R | SVP, Controller | Tax withholding(F) | 485 | $181.50 | $88K |
| Mar 31, 2026 | Cribbs Eric | President (American Gypsum) | Option exercise(M) | 459 | — | $0 |
| Mar 31, 2026 | Cribbs Eric | President (American Gypsum) | Tax withholding(F) | 186 | $181.50 | $34K |
| Mar 31, 2026 | Cribbs Eric | President (American Gypsum) | Option exercise(M) | 459 | $181.50 | $83K |
| Mar 31, 2026 | Cribbs Eric | President (American Gypsum) | Tax withholding(F) | 598 | $181.50 | $109K |
| Jan 12, 2026 | Newby Matt | EVP & General Counsel | Grant(A) | 2 | — | $0 |
| Jan 12, 2026 | Newby Matt | EVP & General Counsel | Grant(A) | 1 | — | $0 |
| Jan 12, 2026 | Cribbs Eric | President (American Gypsum) | Grant(A) | 1 | — | $0 |
| Jan 12, 2026 | Cribbs Eric | President (American Gypsum) | Grant(A) | 2 | — | $0 |
| Jan 12, 2026 | Devlin William R | SVP, Controller | Grant(A) | 1 | — | $0 |
| Jan 12, 2026 | Devlin William R | SVP, Controller | Grant(A) | 1 | — | $0 |
| Jan 12, 2026 | Haddock Alex | Senior Vice President | Grant(A) | 1 | — | $0 |
| Jan 12, 2026 | Haddock Alex | Senior Vice President | Grant(A) | 1 | — | $0 |
| Jan 12, 2026 | Haack Michael | President and CEO, Director | Grant(A) | 8 | — | $0 |
| Jan 12, 2026 | Haack Michael | President and CEO, Director | Grant(A) | 11 | — | $0 |
| Jan 12, 2026 | Kesler Dale Craig | EVP and CFO | Grant(A) | 3 | — | $0 |
| Jan 12, 2026 | Kesler Dale Craig | EVP and CFO | Grant(A) | 2 | — | $0 |
| Jan 12, 2026 | Thompson Tony | Senior Vice President | Grant(A) | 1 | — | $0 |
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).