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 |
2021-05-17 Sale |
2021-05-19 7:15 pm |
MAGNITE INC. | MGNI | Kershaw Thomas Chief Technology Officer |
41,213 | $25.98 | $1,070,714 | 473,763 (Direct) |
View |
2021-04-05 Sale |
2021-04-07 6:40 pm |
MAGNITE INC. | MGNI | Kershaw Thomas Chief Technology Officer |
100,000 | $40.46 | $4,045,578 | 514,976 (Direct) |
View |
2021-02-16 Sale |
2021-02-18 8:47 pm |
MAGNITE INC. | MGNI | Kershaw Thomas Chief Technology Officer |
50,000 | $59.2 | $2,960,000 | 712,216 (Direct) |
View |
2020-11-16 Sale(A) |
2021-02-18 8:46 pm |
MAGNITE INC. | MGNI | Kershaw Thomas Chief Technology Officer |
80,393 | $10.97 | $881,647 | 583,216 (Direct) |
View |
2020-11-16 Sale |
2020-11-18 7:07 pm |
MAGNITE INC. | MGNI | Kershaw Thomas Chief Technology Officer |
30,393 | $11.06 | $336,147 | 583,216 (Direct) |
View |
2020-08-17 Sale |
2020-08-19 4:59 pm |
MAGNITE INC. | MGNI | Kershaw Thomas Chief Technology Officer |
30,000 | $7.48 | $224,400 | 646,804 (Direct) |
View |
2020-06-03 Sale |
2020-06-05 5:20 pm |
RUBICON PROJECT INC. | RUBI | Kershaw Thomas Chief Technology Officer |
51,000 | $7.5 | $382,500 | 629,276 (Direct) |
View |
2020-05-18 Sale(A) |
2020-06-05 4:52 pm |
RUBICON PROJECT INC. | RUBI | Kershaw Thomas Chief Technology Officer |
52,285 | $5.2513 | $274,563 | 613,609 (Direct) |
View |
2020-05-18 Sale |
2020-05-20 7:30 pm |
RUBICON PROJECT INC. | RUBI | Kershaw Thomas Chief Technology Officer |
49,915 | $5.257 | $262,404 | 615,979 (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 |
2021-04-01 Option Award |
2021-04-05 4:38 pm |
N/A 2031-04-01 |
MAGNITE INC. | MGNI | Kershaw Thomas Chief Technology Officer |
55,394 | $0 | 638,610 (Direct) |
View |
2021-02-16 Exercise |
2021-02-18 8:47 pm |
N/A 2029-02-20 |
MAGNITE INC. | MGNI | Kershaw Thomas Chief Technology Officer |
50,000 | $0 | 712,216 (Direct) |
View |
2021-02-16 Exercise |
2021-02-18 8:47 pm |
N/A N/A |
MAGNITE INC. | MGNI | Kershaw Thomas Chief Technology Officer |
50,000 | $4.92 | 712,216 (Direct) |
View |
2020-11-16 Exercise(A) |
2021-02-18 8:46 pm |
N/A 2026-11-15 |
MAGNITE INC. | MGNI | Kershaw Thomas Chief Technology Officer |
50,000 | $0 | 583,216 (Direct) |
View |
2020-11-16 Exercise(A) |
2021-02-18 8:46 pm |
N/A N/A |
MAGNITE INC. | MGNI | Kershaw Thomas Chief Technology Officer |
50,000 | $7.72 | 583,216 (Direct) |
View |
2020-08-17 Exercise |
2020-08-19 4:59 pm |
N/A N/A |
MAGNITE INC. | MGNI | Kershaw Thomas Chief Technology Officer |
30,000 | $1.97 | 646,804 (Direct) |
View |
2020-08-17 Exercise |
2020-08-19 4:59 pm |
N/A 2028-03-15 |
MAGNITE INC. | MGNI | Kershaw Thomas Chief Technology Officer |
30,000 | $0 | 646,804 (Direct) |
View |
2020-06-03 Exercise |
2020-06-05 5:20 pm |
N/A 2027-03-15 |
RUBICON PROJECT INC. | RUBI | Kershaw Thomas Chief Technology Officer |
51,000 | $0 | 629,276 (Direct) |
View |
2020-06-03 Exercise |
2020-06-05 5:20 pm |
N/A N/A |
RUBICON PROJECT INC. | RUBI | Kershaw Thomas Chief Technology Officer |
51,000 | $6.06 | 629,276 (Direct) |
View |