List of insiders holdings for MAXCYTE INC.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- 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>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | Masoud Maher President and CEO | 2026-03-31 16:12:11 | 1,075,000 0 | 1,075,000 | Form 4 |
| 2 | Sumen Cenk Chief Scientific Officer | 2023-03-21 16:41:26 | 620,000 0 | 620,000 | Form 4 |
| 3 | Doerfler Douglas President and CEO | 2023-12-06 16:15:49 | 602,799 0 | 602,799 | Form 4 |
| 4 | Erck Stanley C Director | 2026-06-22 16:28:00 | 478,328 0 | 478,328 | Form 4 |
| 5 | Mandell Art Director | 2024-06-13 17:41:06 | 436,552 0 | 436,552 | Form 4 |
| 6 | DOUGLAS RICHARD Director | 2026-06-22 16:26:42 | 310,577 0 | 310,577 | Form 4 |
| 7 | Johnston John Joseph Director | 2026-06-22 16:29:31 | 251,160 0 | 251,160 | Form 4 |
| 8 | Brooke William W Director | 2026-06-22 16:25:08 | 230,879 0 | 230,879 | Form 4 |
| 9 | Ahuja Parmeet Chief Financial Officer | 2026-04-17 16:14:08 | 187,500 0 | 187,500 | Form 4 |
| 10 | Collins Cynthia Director | 2026-06-22 16:25:54 | 160,889 0 | 160,889 | Form 4 |
| 11 | Swirsky Douglas J CHIEF FINANCIAL OFFICER | 2026-03-19 16:05:29 | 151,669 0 | 151,669 | Form 4 |
| 12 | Murphy Amanda Louise Chief Financial Officer | 2022-03-29 16:16:58 | 142,000 0 | 142,000 | Form 4 |
| 13 | Al-Wakeel Yasir B. Director | 2026-06-22 16:23:08 | 130,577 0 | 130,577 | Form 4 |
| 14 | BALTHROP PATRICK J Director | 2026-06-22 16:24:06 | 130,577 0 | 130,577 | Form 4 |
| 15 | Holtz Ron Chief Financial Officer | 2023-03-21 16:46:44 | 120,000 0 | 120,000 | Form 4 |
| 16 | Hemrajani Rekha Director | 2026-06-22 16:28:48 | 119,893 0 | 119,893 | Form 4 |
| 17 | Sandoval David I. GENERAL COUNSEL | 2025-03-20 18:47:50 | 64,219 0 | 64,219 | Form 4 |
| 18 | Soleymannezhad Ali Chief Commercial Officer | 2025-03-20 18:49:14 | 59,439 0 | 59,439 | Form 4 |
| 19 | Ross Thomas M. EVP, GLOBAL SALES | 2024-08-05 18:57:07 | 42,859 0 | 42,859 | Form 4 |
| 20 | THOMPSON J STARK PHD Director | 2021-08-11 17:19:50 | 10,000 0 | 10,000 | Form 4 |
| 21 | Casdin Partners Master Fund L.P. Casdin Capital LLC Casdin Partners GP LLC Casdin Eli 10% Owner | 2024-02-14 16:26:57 | 0 0 | 0 | Form 13G |