Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
2025-02-10 Sale | 2025-02-10 5:50 pm | Summit Materials Inc. | SUM | Ellerbusch Susan A Director | 23,386 | $52.5 | $1,227,765 | 0 (Direct) | View |
2025-02-10 Sale | 2025-02-10 5:49 pm | Summit Materials Inc. | SUM | Cooney Anne M Director | 13,505 | $52.5 | $709,013 | 0 (Direct) | View |
2025-02-10 Sale | 2025-02-10 5:49 pm | Summit Materials Inc. | SUM | Wade Anne K. Director | 22,121 | $52.5 | $1,161,353 | 0 (Direct) | View |
2025-02-10 Sale | 2025-02-10 5:48 pm | Summit Materials Inc. | SUM | WUNNING STEVEN H Director | 39,013 | $52.5 | $2,048,183 | 0 (Direct) | View |
2025-02-10 Sale | 2025-02-10 5:47 pm | Summit Materials Inc. | SUM | Noonan Anne P President & CEO | 362,421 | $52.5 | $19,027,103 | 0 (Direct) | View |
2025-02-10 Sale | 2025-02-10 5:47 pm | Summit Materials Inc. | SUM | Oates-Forney Tamla Director | 11,975 | $52.5 | $628,688 | 0 (Direct) | View |
2025-02-10 Sale | 2025-02-10 5:46 pm | Summit Materials Inc. | SUM | CANTIE JOSEPH S Director | 44,223 | $52.5 | $2,321,708 | 0 (Indirect Direct) | View |
2025-02-10 Sale | 2025-02-10 5:44 pm | Summit Materials Inc. | SUM | Anderson Karli S. See Remarks | 48,285 | $52.5 | $2,534,963 | 0 (Direct) | View |
2025-02-10 Sale | 2025-02-10 5:44 pm | Summit Materials Inc. | SUM | Loomes David EVP, Cement | 33,674 | $52.5 | $1,767,885 | 0 (Direct) | View |
2025-02-10 Sale | 2025-02-10 5:41 pm | Summit Materials Inc. | SUM | Frantz Brian D See Remarks | 11,402 | $52.5 | $598,605 | 0 (Direct) | View |
2025-02-10 Sale | 2025-02-10 5:39 pm | Summit Materials Inc. | SUM | Anderson Craig Scott EVP & Chief Financial Officer | 42,351 | $52.5 | $2,223,428 | 0 (Direct) | View |
2025-02-10 Sale | 2025-02-10 5:37 pm | Summit Materials Inc. | SUM | DePriest Charles See Remarks | 20,873 | $52.5 | $1,095,833 | 0 (Direct) | View |
2025-02-10 Sale | 2025-02-10 5:36 pm | Summit Materials Inc. | SUM | Moore Marshall D See Remarks | 310 | $52.5 | $16,275 | 0 (Direct) | View |
2025-02-10 Sale | 2025-02-10 5:34 pm | Summit Materials Inc. | SUM | Kilgore Jason See Remarks | 116,368 | $52.5 | $6,109,320 | 0 (Indirect Direct) | View |
2025-02-10 Sale | 2025-02-10 5:32 pm | Summit Materials Inc. | SUM | Gaskill Christopher Burke See Remarks | 44,693 | $52.5 | $2,346,383 | 0 (Direct) | View |
2025-02-10 Sale | 2025-02-10 5:32 pm | Summit Materials Inc. | SUM | LANCE HOWARD L Director | 62,135 | $52.5 | $3,262,088 | 0 (Direct) | View |
2025-02-10 Sale | 2025-02-10 5:27 pm | Summit Materials Inc. | SUM | Grupo Argos S.A. Cementos Argos S.A. Argos SEM LLC Valle Cement Investments Inc. Director 10% Owner | 54,720,000 | $52.5 | $2,872,800,000 | 0 (Indirect) | View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
2025-01-16 Tax Withholding | 2025-01-17 5:29 pm | N/A N/A | Summit Materials Inc. | SUM | Frantz Brian D See Remarks | 460 | $52.19 | 15,862 (Direct) | View |
2025-01-15 Option Award | 2025-01-17 5:29 pm | N/A N/A | Summit Materials Inc. | SUM | Frantz Brian D See Remarks | 5,808 | $0 | 15,862 (Direct) | View |
2025-01-16 Tax Withholding | 2025-01-17 5:29 pm | N/A N/A | Summit Materials Inc. | SUM | Loomes David See Remarks | 3,330 | $52.19 | 49,569 (Direct) | View |
2025-01-15 Option Award | 2025-01-17 5:29 pm | N/A N/A | Summit Materials Inc. | SUM | Loomes David See Remarks | 22,981 | $0 | 49,569 (Direct) | View |
2025-01-15 Option Award | 2025-01-17 5:28 pm | N/A N/A | Summit Materials Inc. | SUM | Calle Juan Esteban Director | 2,547 | $0 | 2,547 (Direct) | View |
2025-01-16 Tax Withholding | 2025-01-17 5:28 pm | N/A N/A | Summit Materials Inc. | SUM | Anderson Karli S. See Remarks | 2,318 | $52.19 | 63,574 (Direct) | View |
2025-01-15 Option Award | 2025-01-17 5:28 pm | N/A N/A | Summit Materials Inc. | SUM | Anderson Karli S. See Remarks | 22,876 | $0 | 63,574 (Direct) | View |
2025-01-15 Option Award | 2025-01-17 5:28 pm | N/A N/A | Summit Materials Inc. | SUM | Wade Anne K. Director | 2,547 | $0 | 2,547 (Direct) | View |
2025-01-15 Option Award | 2025-01-17 5:28 pm | N/A N/A | Summit Materials Inc. | SUM | Oates-Forney Tamla Director | 2,547 | $0 | 2,547 (Direct) | View |
2025-01-15 Option Award | 2025-01-17 5:28 pm | N/A N/A | Summit Materials Inc. | SUM | LANCE HOWARD L Director | 2,547 | $0 | 2,547 (Direct) | View |
2025-01-16 Tax Withholding | 2025-01-17 5:27 pm | N/A N/A | Summit Materials Inc. | SUM | Anderson Craig Scott EVP & Chief Financial Officer | 2,349 | $52.19 | 63,191 (Direct) | View |
2025-01-15 Option Award | 2025-01-17 5:27 pm | N/A N/A | Summit Materials Inc. | SUM | Anderson Craig Scott EVP & Chief Financial Officer | 28,564 | $0 | 63,191 (Direct) | View |
2025-01-15 Option Award | 2025-01-17 5:27 pm | N/A N/A | Summit Materials Inc. | SUM | CANTIE JOSEPH S Director | 2,547 | $0 | 2,547 (Direct) | View |
2025-01-16 Tax Withholding | 2025-01-17 5:27 pm | N/A N/A | Summit Materials Inc. | SUM | DePriest Charles See remarks | 421 | $52.19 | 36,231 (Direct) | View |
2025-01-15 Option Award | 2025-01-17 5:27 pm | N/A N/A | Summit Materials Inc. | SUM | DePriest Charles See remarks | 16,191 | $0 | 36,231 (Direct) | View |
2025-01-15 Option Award | 2025-01-17 5:27 pm | N/A N/A | Summit Materials Inc. | SUM | Moore Marshall D See Remarks | 12,867 | $0 | 13,177 (Direct) | View |
2025-01-15 Option Award | 2025-01-17 5:27 pm | N/A N/A | Summit Materials Inc. | SUM | WUNNING STEVEN H Director | 2,547 | $0 | 2,547 (Direct) | View |
2025-01-16 Tax Withholding | 2025-01-17 5:27 pm | N/A N/A | Summit Materials Inc. | SUM | Gaskill Christopher Burke See Remarks | 3,850 | $52.19 | 59,982 (Direct) | View |
2025-01-15 Option Award | 2025-01-17 5:27 pm | N/A N/A | Summit Materials Inc. | SUM | Gaskill Christopher Burke See Remarks | 23,780 | $0 | 59,982 (Direct) | View |
2025-01-15 Option Award | 2025-01-17 5:26 pm | N/A N/A | Summit Materials Inc. | SUM | Ellerbusch Susan A Director | 2,547 | $0 | 2,547 (Direct) | View |
2025-01-15 Option Award | 2025-01-17 5:26 pm | N/A N/A | Summit Materials Inc. | SUM | Cooney Anne M Director | 2,547 | $0 | 2,547 (Direct) | View |
2025-01-16 Tax Withholding | 2025-01-17 5:26 pm | N/A N/A | Summit Materials Inc. | SUM | Kilgore Jason See Remarks | 2,709 | $52.19 | 134,079 (Direct) | View |
2025-01-15 Option Award | 2025-01-17 5:26 pm | N/A N/A | Summit Materials Inc. | SUM | Kilgore Jason See Remarks | 26,516 | $0 | 134,079 (Direct) | View |
2025-01-15 Option Award | 2025-01-17 5:26 pm | N/A N/A | Summit Materials Inc. | SUM | Moshouris Irene Director | 2,547 | $0 | 2,547 (Direct) | View |
2025-01-15 Option Award | 2025-01-17 5:26 pm | N/A N/A | Summit Materials Inc. | SUM | VELASQUEZ JORGE MARIO Director | 2,547 | $0 | 2,547 (Direct) | View |
2025-01-16 Tax Withholding | 2025-01-17 5:25 pm | N/A N/A | Summit Materials Inc. | SUM | Noonan Anne P President & CEO | 20,131 | $52.19 | 464,603 (Direct) | View |
2025-01-15 Option Award | 2025-01-17 5:25 pm | N/A N/A | Summit Materials Inc. | SUM | Noonan Anne P President & CEO | 154,566 | $0 | 464,603 (Direct) | View |
2024-12-20 Exercise | 2024-12-26 4:17 pm | N/A N/A | Summit Materials Inc. | SUM | Noonan Anne P President & CEO | 124,353 | $0 | 330,168 (Direct) | View |
2024-12-20 Tax Withholding | 2024-12-26 4:17 pm | N/A N/A | Summit Materials Inc. | SUM | Noonan Anne P President & CEO | 54,406 | $50.5 | 330,168 (Direct) | View |