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 |
2024-10-16 Sale(A) |
2024-10-22 6:41 pm |
Perimeter Solutions SA | PRM | Henderson Robert S Director |
77,834 | $12.53 | $975,260 | 328,416 (Direct) |
View |
2021-02-24 Sale |
2021-12-09 08:51 am |
TransDigm Group INC | TDG | Henderson Robert S Exec.V.P. |
10,000 | $617.31 | $6,173,065 | 122,000 (Indirect) |
View |
2021-11-01 Sale |
2021-11-02 2:08 pm |
TransDigm Group INC | TDG | Henderson Robert S Exec.V.P. |
10,000 | $627.17 | $6,271,666 | 92,000 (Indirect) |
View |
2021-08-02 Sale |
2021-08-03 12:20 pm |
TransDigm Group INC | TDG | Henderson Robert S Exec.V.P. |
10,000 | $643.99 | $6,439,928 | 102,000 (Indirect) |
View |
2021-07-01 Sale |
2021-07-02 1:22 pm |
TransDigm Group INC | TDG | Henderson Robert S Exec.V.P. |
10,000 | $654.67 | $6,546,653 | 112,000 (Indirect) |
View |
2021-06-07 Sale |
2021-06-09 10:28 am |
TransDigm Group INC | TDG | Henderson Robert S Exec.V.P. |
10,000 | $664.65 | $6,646,514 | 122,000 (Indirect) |
View |
2021-03-03 Sale |
2021-03-04 12:06 pm |
TransDigm Group INC | TDG | Henderson Robert S Exec.V.P. |
15,000 | $601.56 | $9,023,346 | 10,000 (Direct) |
View |
2020-12-03 Sale |
2020-12-07 12:07 pm |
TransDigm Group INC | TDG | Henderson Robert S Exec.V.P. |
17,500 | $599.93 | $10,498,742 | 0 (Indirect) |
View |
2020-08-10 Sale |
2020-08-11 10:42 am |
TransDigm Group INC | TDG | Henderson Robert S Exec.V.P. |
10,000 | $483.55 | $4,835,538 | 52,500 (Direct) |
View |
2020-05-28 Sale |
2020-05-29 10:51 am |
TransDigm Group INC | TDG | Henderson Robert S Exec.V.P. |
20,000 | $432.88 | $8,657,698 | 62,500 (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 |
2025-02-20 Option Award |
2025-02-21 4:41 pm |
2025-02-20 2034-02-14 |
Perimeter Solutions Inc. | PRM | Henderson Robert S Director |
61,250 | $0 | 389,666 (Direct) |
View |
2024-10-16 Exercise(A) |
2024-10-22 6:41 pm |
N/A N/A |
Perimeter Solutions SA | PRM | Henderson Robert S Director |
81,250 | $12 | 328,416 (Direct) |
View |
2024-10-16 Exercise(A) |
2024-10-22 6:41 pm |
2021-11-08 2024-11-11 |
Perimeter Solutions SA | PRM | Henderson Robert S Director |
325,000 | $12.53 | 328,416 (Direct) |
View |
2024-10-16 Exercise |
2024-10-18 5:00 pm |
N/A 2024-11-11 |
Perimeter Solutions SA | PRM | Henderson Robert S Director |
328,416 | $0 | 328,416 (Direct) |
View |
2021-02-24 Exercise |
2021-12-09 08:51 am |
N/A N/A |
TransDigm Group INC | TDG | Henderson Robert S Exec.V.P. |
10,000 | $191.79 | 122,000 (Indirect) |
View |
2021-02-24 Exercise |
2021-12-09 08:51 am |
2015-09-30 2024-11-13 |
TransDigm Group INC | TDG | Henderson Robert S Exec.V.P. |
10,000 | $0 | 122,000 (Indirect) |
View |
2021-11-08 Other |
2021-11-10 7:33 pm |
N/A N/A |
Perimeter Solutions SA | PRM | Henderson Robert S Director |
325,000 | $0 | 650,000 (Direct) |
View |
2021-11-01 Exercise |
2021-11-02 2:08 pm |
N/A N/A |
TransDigm Group INC | TDG | Henderson Robert S Exec.V.P. |
10,000 | $191.79 | 92,000 (Indirect) |
View |
2021-11-01 Exercise |
2021-11-02 2:08 pm |
2015-09-30 2024-11-13 |
TransDigm Group INC | TDG | Henderson Robert S Exec.V.P. |
10,000 | $0 | 92,000 (Indirect) |
View |
2021-08-02 Exercise |
2021-08-03 12:20 pm |
N/A N/A |
TransDigm Group INC | TDG | Henderson Robert S Exec.V.P. |
10,000 | $191.79 | 102,000 (Indirect) |
View |
2021-08-02 Exercise |
2021-08-03 12:20 pm |
2015-09-30 2024-11-13 |
TransDigm Group INC | TDG | Henderson Robert S Exec.V.P. |
10,000 | $0 | 102,000 (Indirect) |
View |
2021-07-01 Exercise |
2021-07-02 1:22 pm |
N/A N/A |
TransDigm Group INC | TDG | Henderson Robert S Exec.V.P. |
10,000 | $191.79 | 112,000 (Indirect) |
View |
2021-07-01 Exercise |
2021-07-02 1:22 pm |
2015-09-30 2024-11-13 |
TransDigm Group INC | TDG | Henderson Robert S Exec.V.P. |
10,000 | $0 | 112,000 (Indirect) |
View |
2021-06-07 Exercise |
2021-06-09 10:28 am |
N/A N/A |
TransDigm Group INC | TDG | Henderson Robert S Exec.V.P. |
10,000 | $191.79 | 122,000 (Indirect) |
View |
2021-06-07 Exercise |
2021-06-09 10:28 am |
2015-09-30 2024-11-13 |
TransDigm Group INC | TDG | Henderson Robert S Exec.V.P. |
10,000 | $0 | 122,000 (Indirect) |
View |
2020-12-03 Exercise |
2020-12-07 12:07 pm |
N/A N/A |
TransDigm Group INC | TDG | Henderson Robert S Exec.V.P. |
17,500 | $130.09 | 0 (Indirect) |
View |
2020-12-03 Exercise |
2020-12-07 12:07 pm |
2016-09-30 2022-11-19 |
TransDigm Group INC | TDG | Henderson Robert S Exec.V.P. |
17,500 | $0 | 0 (Indirect) |
View |
2020-10-26 Other(A) |
2020-11-18 12:33 pm |
2019-11-15 2029-11-15 |
TransDigm Group INC | TDG | Henderson Robert S Exec.V.P. |
426 | $0 | 16,787 (Direct) |
View |
2020-11-11 Option Award |
2020-11-13 4:35 pm |
2021-09-30 2030-11-11 |
TransDigm Group INC | TDG | Henderson Robert S Exec.V.P. |
30,843 | $0 | 52,335 (Direct) |
View |
2020-08-10 Exercise |
2020-08-11 10:42 am |
N/A N/A |
TransDigm Group INC | TDG | Henderson Robert S Exec.V.P. |
10,000 | $130.09 | 52,500 (Direct) |
View |
2020-08-10 Exercise |
2020-08-11 10:42 am |
2016-09-30 2022-11-19 |
TransDigm Group INC | TDG | Henderson Robert S Exec.V.P. |
10,000 | $0 | 52,500 (Direct) |
View |
2020-05-28 Exercise |
2020-05-29 10:51 am |
N/A N/A |
TransDigm Group INC | TDG | Henderson Robert S Exec.V.P. |
20,000 | $130.09 | 62,500 (Direct) |
View |
2020-05-28 Exercise |
2020-05-29 10:51 am |
2016-09-30 2022-11-19 |
TransDigm Group INC | TDG | Henderson Robert S Exec.V.P. |
20,000 | $0 | 62,500 (Direct) |
View |