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 | 
| 2023-03-08 Sale  | 2023-03-10 4:27 pm  | Fathom Digital Manufacturing Corp | FATH | Frost Mark T Chief Financial Officer  | 5,672 | $1.204 | $6,829 | 503,325 (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 | 
| 2025-05-12 Option Award  | 2025-05-14 3:52 pm  | N/A N/A  | HARVARD BIOSCIENCE INC | HBIO | Frost Mark T Interim CFO  | 100,000 | $0 | 125,000 (Direct)  | View | 
Ownership  | 2025-05-14 3:49 pm  | N/A N/A  | HARVARD BIOSCIENCE INC | HBIO | Frost Mark T Interim CFO  | 0 | $0 | 25,000 (Direct)  | View | 
| 2024-04-04 Tax Withholding  | 2024-04-22 7:39 pm  | N/A N/A  | Fathom Digital Manufacturing Corp | FATH | Frost Mark T Chief Financial Officer  | 1,369 | $4.52 | 35,351 (Direct)  | View | 
| 2024-02-26 Tax Withholding  | 2024-02-27 5:30 pm  | N/A N/A  | Fathom Digital Manufacturing Corp | FATH | Frost Mark T Chief Financial Officer  | 197 | $4.35 | 36,720 (Direct)  | View | 
| 2023-04-03 Option Award  | 2023-05-11 9:44 pm  | N/A 2030-04-03  | Fathom Digital Manufacturing Corp | FATH | Frost Mark T Chief Financial Officer  | 675,702 | $0 | 1,179,027 (Direct)  | View | 
| 2022-04-14 Tax Withholding(A)  | 2022-12-06 6:32 pm  | N/A N/A  | Fathom Digital Manufacturing Corp | FATH | Frost Mark T Chief Financial Officer  | 63,277 | $7.41 | 508,997 (Direct)  | View | 
| 2022-04-14 Tax Withholding(A)  | 2022-06-01 8:11 pm  | N/A N/A  | Fathom Digital Manufacturing Corp | FATH | Frost Mark T Chief Financial Officer  | 43,082 | $7.41 | 529,192 (Direct)  | View | 
| 2022-02-25 Option Award(A)  | 2022-04-20 7:12 pm  | N/A 2029-02-25  | Fathom Digital Manufacturing Corp | FATH | Frost Mark T Chief Financial Officer  | 102,871 | $0 | 641,399 (Direct)  | View | 
| 2022-04-14 Tax Withholding  | 2022-04-18 9:52 pm  | N/A N/A  | Fathom Digital Manufacturing Corp | FATH | Frost Mark T Chief Financial Officer  | 44,009 | $7.41 | 528,265 (Direct)  | View | 
| 2022-02-25 Option Award  | 2022-03-01 8:17 pm  | N/A 2029-02-25  | Fathom Digital Manufacturing Corp | FATH | Frost Mark T Chief Financial Officer  | 102,871 | $0 | 506,767 (Direct)  | View | 
Ownership  | 2022-01-03 8:10 pm  | N/A N/A  | Fathom Digital Manufacturing Corp | FATH | Frost Mark T Chief Financial Officer  | 0 | $0 | 538,528 (Direct)  | View |