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 |
| 2025-03-26 Sale |
2025-03-26 4:50 pm |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
18,092 | $113 | $2,044,396 | 0 (Direct) |
View |
| 2025-03-06 Sale |
2025-03-06 5:46 pm |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
450 | $111.08 | $49,984 | 18,092 (Direct) |
View |
| 2025-02-27 Purchase |
2025-02-28 5:38 pm |
ZIFF DAVIS INC. | ZD | Harris Teresa A Director |
593 | $42.11 | $24,971 | 9,233 (Direct) |
View |
| 2025-02-25 Sale |
2025-02-27 10:49 am |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
2,700 | $111.61 | $301,356 | 18,542 (Direct) |
View |
| 2024-11-05 Sale |
2024-11-06 11:30 am |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
620 | $104.1 | $64,542 | 33,262 (Direct) |
View |
| 2024-10-01 Sale |
2024-10-01 6:52 pm |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
620 | $95.12 | $58,974 | 33,882 (Direct) |
View |
| 2024-09-03 Sale |
2024-09-04 06:43 am |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
620 | $89.7 | $55,614 | 34,502 (Direct) |
View |
| 2024-08-27 Purchase |
2024-08-28 3:57 pm |
ZIFF DAVIS INC. | ZD | Harris Teresa A Director |
1,000 | $46.76 | $46,760 | 11,153 (Direct) |
View |
| 2024-08-06 Sale |
2024-08-06 2:01 pm |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
620 | $82.57 | $51,193 | 35,122 (Direct) |
View |
| 2024-07-09 Sale |
2024-07-10 11:04 am |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
620 | $97.73 | $60,593 | 35,742 (Direct) |
View |
| 2024-06-04 Sale |
2024-06-05 3:40 pm |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
620 | $85.95 | $53,289 | 36,362 (Direct) |
View |
| 2024-05-07 Sale |
2024-05-08 11:26 am |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
620 | $82.89 | $51,392 | 34,635 (Direct) |
View |
| 2024-04-02 Sale |
2024-04-03 10:17 am |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
620 | $84 | $52,080 | 35,255 (Direct) |
View |
| 2024-03-05 Sale |
2024-03-06 4:39 pm |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
620 | $85.01 | $52,706 | 35,875 (Direct) |
View |
| 2023-12-06 Sale |
2023-12-08 11:50 am |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
600 | $71.65 | $42,990 | 36,495 (Direct) |
View |
| 2023-11-14 Sale |
2023-11-16 08:48 am |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
1,800 | $73.16 | $131,683 | 37,095 (Direct) |
View |
| 2021-12-03 Purchase |
2021-12-07 4:31 pm |
ZIFF DAVIS INC. | ZD | Harris Teresa A Director |
460 | $108.2 | $49,772 | 460 (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 |
| 2024-05-07 Exercise |
2025-05-09 09:05 am |
2025-05-07 N/A |
ZIFF DAVIS INC. | ZD | Harris Teresa A Director |
3,610 | $0 | 20,746 (Direct) |
View |
| 2025-05-07 Option Award |
2025-05-09 09:05 am |
2026-05-07 N/A |
ZIFF DAVIS INC. | ZD | Harris Teresa A Director |
7,903 | $0 | 20,746 (Direct) |
View |
| 2025-05-07 Exercise |
2025-05-09 09:05 am |
N/A N/A |
ZIFF DAVIS INC. | ZD | Harris Teresa A Director |
3,610 | $31.63 | 20,746 (Direct) |
View |
| 2024-11-05 Exercise |
2024-11-06 11:30 am |
N/A 2026-11-23 |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
620 | $0 | 33,262 (Direct) |
View |
| 2024-10-01 Exercise |
2024-10-01 6:52 pm |
N/A 2026-11-23 |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
620 | $0 | 33,882 (Direct) |
View |
| 2024-09-03 Exercise |
2024-09-04 06:43 am |
N/A 2026-11-23 |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
620 | $0 | 34,502 (Direct) |
View |
| 2024-08-06 Exercise |
2024-08-06 2:01 pm |
N/A 2026-11-23 |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
620 | $0 | 35,122 (Direct) |
View |
| 2024-07-09 Exercise |
2024-07-10 11:04 am |
N/A 2026-11-23 |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
620 | $0 | 35,742 (Direct) |
View |
| 2024-06-04 Exercise |
2024-06-05 3:40 pm |
N/A 2026-11-23 |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
620 | $0 | 36,362 (Direct) |
View |
| 2024-05-08 Option Award |
2024-05-10 09:39 am |
N/A N/A |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
2,347 | $0 | 21,242 (Direct) |
View |
| 2024-05-05 Exercise |
2024-05-08 8:34 pm |
N/A N/A |
ZIFF DAVIS INC. | ZD | Harris Teresa A Director |
3,013 | $54.48 | 13,764 (Direct) |
View |
| 2024-05-05 Exercise |
2024-05-08 8:34 pm |
2024-05-05 N/A |
ZIFF DAVIS INC. | ZD | Harris Teresa A Director |
3,013 | $0 | 13,764 (Direct) |
View |
| 2024-05-07 Option Award |
2024-05-08 8:34 pm |
2025-05-07 N/A |
ZIFF DAVIS INC. | ZD | Harris Teresa A Director |
3,611 | $0 | 13,764 (Direct) |
View |
| 2024-05-07 Exercise |
2024-05-08 11:26 am |
N/A 2026-11-23 |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
620 | $0 | 34,635 (Direct) |
View |
| 2024-04-02 Exercise |
2024-04-03 10:17 am |
N/A 2026-11-23 |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
620 | $0 | 35,255 (Direct) |
View |
| 2024-03-05 Exercise |
2024-03-06 4:39 pm |
N/A 2026-11-23 |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
620 | $0 | 35,875 (Direct) |
View |
| 2023-12-06 Exercise |
2023-12-08 11:50 am |
N/A 2026-11-23 |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
600 | $0 | 36,495 (Direct) |
View |
| 2023-11-14 Exercise |
2023-11-16 08:48 am |
N/A 2026-11-23 |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
1,800 | $0 | 37,095 (Direct) |
View |
| 2023-05-10 Exercise |
2023-05-11 2:06 pm |
2023-05-10 N/A |
ZIFF DAVIS INC. | ZD | Harris Teresa A Director |
2,513 | $0 | 10,153 (Direct) |
View |
| 2023-05-10 Exercise |
2023-05-11 2:06 pm |
N/A N/A |
ZIFF DAVIS INC. | ZD | Harris Teresa A Director |
2,513 | $65.49 | 10,153 (Direct) |
View |
| 2023-05-09 Option Award |
2023-05-10 7:42 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
2,974 | $0 | 18,895 (Direct) |
View |
| 2023-05-05 Option Award |
2023-05-08 4:48 pm |
2024-05-05 N/A |
ZIFF DAVIS INC. | ZD | Harris Teresa A Director |
3,013 | $0 | 5,526 (Direct) |
View |
| 2022-06-19 Exercise |
2022-06-21 4:05 pm |
2022-06-19 N/A |
ZIFF DAVIS INC. | ZD | Harris Teresa A Director |
1,521 | $0 | 4,627 (Direct) |
View |
| 2022-06-19 Exercise |
2022-06-21 4:05 pm |
N/A N/A |
ZIFF DAVIS INC. | ZD | Harris Teresa A Director |
1,654 | $72.14 | 4,627 (Direct) |
View |
| 2022-05-12 Option Award |
2022-05-13 1:21 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
3,934 | $0 | 15,921 (Direct) |
View |
| 2022-05-10 Option Award |
2022-05-12 4:58 pm |
2023-05-10 N/A |
ZIFF DAVIS INC. | ZD | Harris Teresa A Director |
2,513 | $0 | 2,513 (Direct) |
View |
| 2021-06-18 Option Award |
2021-06-22 4:15 pm |
2022-06-18 N/A |
J2 GLOBAL INC. | JCOM | Harris Teresa A Director |
1,521 | $0 | 1,521 (Direct) |
View |
| 2021-06-02 Option Award |
2021-06-04 07:58 am |
N/A N/A |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
2,987 | $0 | 11,987 (Direct) |
View |
Ownership |
2021-03-01 7:59 pm |
N/A N/A |
Anzu Special Acquisition Corp I | ANZU | Harris Teresa A Director |
0 | $0 | 25,000 (Direct) |
View |