| $385M | ||
| $337M | ||
| $100M | ||
| $87M | ||
| $82M | ||
| $62M |
Buys | $480,175 | 5 | 36 |
Sells | $106,966 | 9 | 64 |
| Erck Stanley C | director | 1 | $137,220 | 0 | $0 | $137,220 |
| DOUGLAS RICHARD | director | 1 | $111,040 | 0 | $0 | $111,040 |
| Masoud Maher | President and CEO | 1 | $102,915 | 0 | $0 | $102,915 |
| Brooke William W | director | 1 | $64,500 | 0 | $0 | $64,500 |
| Swirsky Douglas J | CHIEF FINANCIAL OFFICER | 1 | $64,500 | 1 | $22,061 | $42,439 |
| Soleymannezhad Ali | Chief Commercial Officer | 0 | $0 | 1 | $3,850 | $-3,850 |
| Sandoval David I. | GENERAL COUNSEL | 0 | $0 | 2 | $21,394 | $-21,394 |
| Hemrajani Rekha | director | 0 | $0 | 1 | $22,378 | $-22,378 |
| Johnston John Joseph | director | 0 | $0 | 4 | $37,284 | $-37,284 |
MaxCyte, Inc., a global life sciences company, engages in the discovery, development, and commercialization of next-generation cell therapies. Its products include ExPERT ATx, a static electroporation instrument for small to medium scale transfection; ExPERT STx, a flow electroporation for protein production and drug development, as well as expression of therapeutic targets for cell-based assays; ExPERT GTx, a flow electroporation for large scale transfection in therapeutic applications; and ExPERT VLx for very large volume cell-engineering. The company also provides disposable processing assemblies (PAs) to process and electroporate cells; and accessories supporting PAs, such as electroporation buffer solution and software protocols. The company was incorporated in 1998 and is headquartered in Rockville, Maryland.
Over the last 12 months, insiders at MaxCyte, Inc. have bought $480,175 and sold $106,966 worth of MaxCyte, Inc. stock.
On average, over the past 5 years, insiders at MaxCyte, Inc. have bought $12.14M and sold $12.28M worth of stock each year.
Highest buying activity among insiders over the last 12 months: Erck Stanley C (director) — $137,220. DOUGLAS RICHARD (director) — $111,040. Masoud Maher (President and CEO) — $102,915.
The last purchase of 50,000 shares for transaction amount of $64,500 was made by Brooke William W (director) on 2025‑08‑13.
| 2025-08-13 | Erck Stanley C | director | 100,000 0.0933% | $1.37 | $137,220 | +12.32% | ||
| 2025-08-13 | DOUGLAS RICHARD | director | 80,000 0.0755% | $1.39 | $111,040 | +12.32% | ||
| 2025-08-13 | Masoud Maher | President and CEO | 75,000 0.07% | $1.37 | $102,915 | +12.32% | ||
| 2025-08-13 | Swirsky Douglas J | CHIEF FINANCIAL OFFICER | 50,000 0.0438% | $1.29 | $64,500 | +12.32% | ||
| 2025-08-13 | Brooke William W | director | 50,000 0.0438% | $1.29 | $64,500 | +12.32% | ||
| 2025-06-25 | Sale | Hemrajani Rekha | director | 10,684 0.0094% | $2.09 | $22,378 | -27.80% | |
| 2025-03-18 | Sale | Swirsky Douglas J | CHIEF FINANCIAL OFFICER | 6,939 0.0066% | $3.18 | $22,061 | -35.11% | |
| 2025-03-18 | Sale | Sandoval David I. | GENERAL COUNSEL | 353 0.0003% | $3.18 | $1,122 | -35.11% | |
| 2025-03-18 | Sale | Soleymannezhad Ali | Chief Commercial Officer | 1,211 0.0011% | $3.18 | $3,850 | -35.11% | |
| 2025-01-27 | Sale | Johnston John Joseph | director | 3,000 0.0029% | $4.64 | $13,935 | -51.55% | |
| 2025-01-13 | Sale | Sandoval David I. | GENERAL COUNSEL | 4,466 0.0039% | $4.54 | $20,272 | -55.19% | |
| 2024-12-26 | Sale | Johnston John Joseph | director | 3,000 0.0028% | $4.01 | $12,021 | -45.21% | |
| 2024-12-09 | Sale | Johnston John Joseph | director | 2,495 0.0021% | $3.79 | $9,459 | -46.16% | |
| 2024-12-06 | Sale | Johnston John Joseph | director | 505 0.0005% | $3.70 | $1,869 | -37.50% | |
| 2024-11-01 | Sale | Erck Stanley C | director | 47,689 0.0448% | $3.72 | $177,403 | -35.54% | |
| 2024-10-28 | Sale | Johnston John Joseph | director | 3,000 0.0028% | $3.72 | $11,166 | -29.64% | |
| 2024-10-02 | Sale | Erck Stanley C | director | 21,607 0.0196% | $3.71 | $80,162 | -24.73% | |
| 2024-10-01 | Sale | Erck Stanley C | director | 26,082 0.0241% | $3.78 | $98,590 | -23.78% | |
| 2024-09-26 | Sale | Johnston John Joseph | director | 3,000 0.0028% | $3.82 | $11,460 | -26.48% | |
| 2024-09-04 | Sale | Erck Stanley C | director | 29,767 0.0288% | $3.97 | $118,175 | -13.85% |
| Erck Stanley C | director | 398328 0.3734% | $585,542.16 | 1 | 5 | |
| DOUGLAS RICHARD | director | 230577 0.2162% | $338,948.19 | 3 | 0 | <0.0001% |
| Masoud Maher | President and CEO | 175000 0.1641% | $257,250.00 | 3 | 3 | <0.0001% |
| Swirsky Douglas J | CHIEF FINANCIAL OFFICER | 161811 0.1517% | $237,862.17 | 1 | 1 | |
| Brooke William W | director | 150879 0.1414% | $221,792.13 | 1 | 0 | |
| Johnston John Joseph | director | 141950 0.1331% | $208,666.50 | 0 | 18 | |
| Sandoval David I. | GENERAL COUNSEL | 64219 0.0602% | $94,401.93 | 0 | 2 | |
| Soleymannezhad Ali | Chief Commercial Officer | 59439 0.0557% | $87,375.33 | 0 | 1 | |
| Hemrajani Rekha | director | 39893 0.0374% | $58,642.71 | 0 | 1 | |
| Casdin Eli | director | 10000000 9.3744% | $14.7M | 0 | 2 | |
| Casdin Partners Master Fund, L.P. | 10 percent owner | 10000000 9.3744% | $14.7M | 1 | 2 | <0.0001% |
| Doerfler Douglas | President and CEO | 333197 0.3124% | $489,799.59 | 0 | 23 | |
| Holtz Ron | SVP and CAO | 125251 0.1174% | $184,118.97 | 0 | 3 | |
| Ross Thomas M. | EVP, GLOBAL SALES | 25000 0.0234% | $36,750.00 | 0 | 27 | |
| Murphy Amanda Louise | Chief Financial Officer | 0 0% | $0 | 0 | 3 |
| Increased Positions | 52 | +35.14% | 11M | +14.96% |
| Decreased Positions | 63 | -42.57% | 11M | -15.12% |
| New Positions | 19 | New | 6M | New |
| Sold Out Positions | 22 | Sold Out | 5M | Sold Out |
| Total Postitions | 137 | -7.43% | 74M | -0.16% |
| Blackrock, Inc. | $17,572.00 | 9.33% | 9.98M | -218,330 | -2.14% | 2025-09-30 |
| Cadian Capital Management, Lp | $14,481.00 | 7.69% | 8.23M | -686,873 | -7.71% | 2025-09-30 |
| Mirabella Financial Services Llp | $14,432.00 | 7.66% | 8.2M | +2M | +24.24% | 2025-09-30 |
| Morgan Stanley | $11,785.00 | 6.26% | 6.7M | -329,584 | -4.69% | 2025-09-30 |
| Vanguard Group Inc | $9,835.00 | 5.22% | 5.59M | -13,587 | -0.24% | 2025-09-30 |
| Vitruvian Partners Llp | $8,876.00 | 4.71% | 5.04M | 0 | 0% | 2025-09-30 |
| Mudita Advisors Llp | $5,932.00 | 3.15% | 3.37M | 0 | 0% | 2025-09-30 |
| River Global Investors Llp | $5,726.00 | 3.04% | 3.25M | +1M | +57.73% | 2024-12-31 |
| Axa Investment Managers S.A. | $4,881.00 | 2.59% | 2.77M | +3M | New | 2025-09-30 |
| Geode Capital Management, Llc | $4,505.00 | 2.39% | 2.56M | +79,144 | +3.19% | 2025-09-30 |