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 5:47 pm |
Summit Materials Inc. | SUM | Noonan Anne P President & CEO |
362,421 | $52.5 | $19,027,103 | 0 (Direct) |
View |
2022-08-26 Sale |
2022-08-29 5:01 pm |
CF Industries Holdings Inc. | CF | Noonan Anne P Director |
3,000 | $118.64 | $355,920 | 26,411 (Direct) |
View |
2020-09-04 Purchase |
2020-09-08 4:05 pm |
Summit Materials Inc. | SUM | Noonan Anne P President & CEO |
66,000 | $15.24 | $1,005,840 | 66,000 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2025-01-15 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 |
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 |
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 |
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 |
2024-04-18 Option Award |
2024-04-22 8:06 pm |
N/A N/A |
CF Industries Holdings Inc. | CF | Noonan Anne P Director |
2,010 | $0 | 30,588 (Direct) |
View |
2024-03-07 Option Award |
2024-03-08 8:21 pm |
N/A N/A |
Summit Materials Inc. | SUM | Noonan Anne P President & CEO |
153,175 | $0 | 330,873 (Direct) |
View |
2024-03-07 Tax Withholding |
2024-03-08 8:21 pm |
N/A N/A |
Summit Materials Inc. | SUM | Noonan Anne P President & CEO |
35,743 | $42.39 | 330,873 (Direct) |
View |
2024-02-29 Exercise |
2024-03-04 6:19 pm |
N/A N/A |
Summit Materials Inc. | SUM | Noonan Anne P President & CEO |
51,700 | $0 | 266,943 (Direct) |
View |
2024-02-29 Tax Withholding |
2024-03-04 6:19 pm |
N/A N/A |
Summit Materials Inc. | SUM | Noonan Anne P President & CEO |
19,108 | $42.71 | 266,943 (Direct) |
View |
2023-07-20 Exercise |
2023-07-21 4:23 pm |
N/A N/A |
Summit Materials Inc. | SUM | Noonan Anne P President & CEO |
21,288 | $0 | 179,849 (Direct) |
View |
2023-07-20 Tax Withholding |
2023-07-21 4:23 pm |
N/A N/A |
Summit Materials Inc. | SUM | Noonan Anne P President & CEO |
9,314 | $36.89 | 179,849 (Direct) |
View |
2023-05-03 Option Award |
2023-05-05 4:08 pm |
N/A N/A |
CF Industries Holdings Inc. | CF | Noonan Anne P Director |
2,167 | $0 | 28,578 (Direct) |
View |
2023-02-28 Exercise |
2023-03-01 5:39 pm |
N/A N/A |
Summit Materials Inc. | SUM | Noonan Anne P President & CEO |
33,578 | $0 | 218,086 (Direct) |
View |
2023-02-28 Option Award |
2023-03-01 5:39 pm |
N/A N/A |
Summit Materials Inc. | SUM | Noonan Anne P President & CEO |
63,912 | $0 | 218,086 (Direct) |
View |
2023-02-28 Tax Withholding |
2023-03-01 5:39 pm |
N/A N/A |
Summit Materials Inc. | SUM | Noonan Anne P President & CEO |
37,573 | $29.54 | 218,086 (Direct) |
View |
2023-02-22 Option Award |
2023-02-24 6:02 pm |
N/A N/A |
Summit Materials Inc. | SUM | Noonan Anne P President & CEO |
54,364 | $0 | 54,364 (Direct) |
View |
2022-07-20 Exercise |
2022-07-20 7:01 pm |
N/A N/A |
Summit Materials Inc. | SUM | Noonan Anne P President & CEO |
21,289 | $0 | 127,442 (Direct) |
View |
2022-07-20 Tax Withholding |
2022-07-20 7:01 pm |
N/A N/A |
Summit Materials Inc. | SUM | Noonan Anne P President & CEO |
9,346 | $25.28 | 127,442 (Direct) |
View |
2022-05-11 Option Award |
2022-05-12 8:22 pm |
N/A N/A |
CF Industries Holdings Inc. | CF | Noonan Anne P Director |
1,569 | $0 | 29,411 (Direct) |
View |
2022-03-01 Option Award |
2022-03-03 4:19 pm |
N/A N/A |
Summit Materials Inc. | SUM | Noonan Anne P President & CEO |
49,897 | $0 | 49,897 (Direct) |
View |
2022-02-28 Exercise |
2022-03-01 5:52 pm |
N/A N/A |
Summit Materials Inc. | SUM | Noonan Anne P President & CEO |
16,946 | $0 | 127,089 (Direct) |
View |
2022-02-28 Tax Withholding |
2022-03-01 5:52 pm |
N/A N/A |
Summit Materials Inc. | SUM | Noonan Anne P President & CEO |
4,885 | $31.22 | 127,089 (Direct) |
View |
2021-07-20 Exercise |
2021-07-22 4:26 pm |
N/A N/A |
Summit Materials Inc. | SUM | Noonan Anne P President & CEO |
21,289 | $0 | 123,713 (Direct) |
View |
2021-07-20 Tax Withholding |
2021-07-22 4:26 pm |
N/A N/A |
Summit Materials Inc. | SUM | Noonan Anne P President & CEO |
6,153 | $32.14 | 123,713 (Direct) |
View |
2021-05-04 Option Award |
2021-05-05 5:41 pm |
N/A N/A |
CF Industries Holdings Inc. | CF | Noonan Anne P Director |
3,023 | $0 | 27,842 (Direct) |
View |
2021-03-30 Option Award |
2021-04-01 9:21 pm |
N/A N/A |
Summit Materials Inc. | SUM | Noonan Anne P President & CEO |
50,838 | $0 | 50,838 (Direct) |
View |
Ownership |
2020-09-03 7:30 pm |
N/A N/A |
Summit Materials Inc. | SUM | Noonan Anne P President & CEO |
0 | $0 | 63,866 (Direct) |
View |
2020-05-20 Option Award |
2020-05-22 4:06 pm |
N/A N/A |
CF Industries Holdings Inc. | CF | Noonan Anne P Director |
4,726 | $0 | 24,819 (Direct) |
View |