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 |
2025-03-18 Sale |
2025-03-20 6:08 pm |
MAXCYTE INC. | MXCT | Swirsky Douglas J CHIEF FINANCIAL OFFICER |
6,939 | $3.1793 | $22,061 | 111,811 (Direct) |
View |
2021-09-14 Purchase |
2021-09-14 4:00 pm |
Cellectar Biosciences Inc. | CLRB | Swirsky Douglas J Director |
25,000 | $1.04 | $26,000 | 25,000 (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 |
2025-03-14 Option Award |
2025-03-18 8:33 pm |
N/A 2035-03-13 |
MAXCYTE INC. | MXCT | Swirsky Douglas J CHIEF FINANCIAL OFFICER |
187,500 | $0 | 268,750 (Direct) |
View |
2025-02-14 Option Award |
2025-02-18 4:07 pm |
N/A 2035-02-14 |
Cellectar Biosciences Inc. | CLRB | Swirsky Douglas J Director |
90,000 | $0 | 90,000 (Direct) |
View |
2024-06-14 Option Award |
2024-06-18 5:01 pm |
N/A 2033-12-22 |
Cellectar Biosciences Inc. | CLRB | Swirsky Douglas J Director |
90,000 | $0 | 90,000 (Direct) |
View |
2024-03-15 Option Award |
2024-03-19 6:18 pm |
N/A 2034-03-14 |
MAXCYTE INC. | MXCT | Swirsky Douglas J CHIEF FINANCIAL OFFICER |
306,250 | $0 | 306,250 (Direct) |
View |
2023-06-28 Option Award |
2023-06-28 6:27 pm |
N/A 2033-06-28 |
Cellectar Biosciences Inc. | CLRB | Swirsky Douglas J Director |
37,500 | $0 | 71,925 (Direct) |
View |
2023-03-27 Option Award |
2023-03-28 10:06 am |
N/A 2033-03-26 |
MAXCYTE INC. | MXCT | Swirsky Douglas J Chief Financial Officer |
350,000 | $0 | 350,000 (Direct) |
View |
2022-06-24 Option Award |
2022-08-01 6:01 pm |
N/A 2032-06-24 |
Cellectar Biosciences Inc. | CLRB | Swirsky Douglas J Director |
11,700 | $0 | 11,700 (Direct) |
View |
2021-06-30 Option Award |
2021-07-02 4:04 pm |
N/A 2031-06-30 |
Cellectar Biosciences Inc. | CLRB | Swirsky Douglas J Director |
117,000 | $0 | 117,000 (Direct) |
View |
2020-09-01 Option Award |
2020-09-03 6:48 pm |
N/A 2030-09-01 |
NeuroBo Pharmaceuticals Inc. | NRBO | Swirsky Douglas J Director |
60,000 | $0 | 60,000 (Direct) |
View |
2020-06-24 Option Award |
2020-06-25 4:22 pm |
N/A 2030-06-24 |
Cellectar Biosciences Inc. | CLRB | Swirsky Douglas J Director |
80,000 | $0 | 80,000 (Direct) |
View |