Maxcyte, Inc.
MXCT- Exchange
- Nasdaq
- Industry
- Services-Commercial Physical & Biological Research
- SEC CIK
- 0001287098
No open-market purchases or sales by Maxcyte, Inc. insiders were filed in the last 90 days; 122 institutions reported holding it in 13F filings for Q2 2026, worth $78.0M in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Maxcyte, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 0 filings
- Insiders trading
- 0
- Net value
- $0
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Maxcyte, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Douglas Richard | Director | 260,998 | Jun 22, 2026 | 1 |
| Balthrop Patrick J | Director | 80,998 | Jun 22, 2026 | 1 |
| Erck Stanley C | Director | 428,749 | Jun 22, 2026 | 1 |
| Collins Cynthia | Director | 111,310 | Jun 22, 2026 | 1 |
| Brooke William W | Director | 181,300 | Jun 22, 2026 | 1 |
| Al-Wakeel Yasir B. | Director | 80,998 | Jun 22, 2026 | 1 |
| Hemrajani Rekha | Director | 70,314 | Jun 22, 2026 | 1 |
| Johnston John Joseph | Director | 201,581 | Jun 22, 2026 | 1 |
| Ahuja Parmeet | Chief Financial Officer | 187,500 | Apr 17, 2026 | 2 |
| Masoud Maher | President and CEO | 475,000 | Mar 31, 2026 | 1 |
| Swirsky Douglas J | CHIEF FINANCIAL OFFICER | 151,669 | Mar 19, 2026 | 1 |
| Sandoval David I. | GENERAL COUNSEL | 64,219 | Mar 20, 2025 | 0 |
| Soleymannezhad Ali | Chief Commercial Officer | 59,439 | Mar 20, 2025 | 0 |
| Ross Thomas M. | EVP, GLOBAL SALES | 25,000 | Aug 5, 2024 | 0 |
| Mandell Art | Director | 395,851 | Jun 13, 2024 | 0 |
| Doerfler Douglas | President and CEO | 333,197 | Dec 6, 2023 | 0 |
| Holtz Ron | Chief Financial Officer | 125,251 | Mar 21, 2023 | 0 |
| Sumen Cenk | Chief Scientific Officer | – | Mar 21, 2023 | 0 |
| Casdin Partners GP, LLC | 10% Owner | 10,000,000 | Oct 5, 2022 | 0 |
| Casdin Capital, LLC | 10% Owner | 10,000,000 | Oct 5, 2022 | 0 |
| Casdin Eli | 10% Owner | 10,000,000 | Oct 5, 2022 | 0 |
| Casdin Partners Master Fund, L.P. | 10% Owner | 10,000,000 | Oct 5, 2022 | 0 |
| Murphy Amanda Louise | Chief Financial Officer | 0 | Mar 29, 2022 | 0 |
| Thompson J Stark PhD | Director | – | Aug 11, 2021 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jan 5, 2023 (view filing) | Jan 3-5 | 2 days | Ross Thomas M.EVP, Global Sales & Marketing | SSale | −29.1K | $5.08 | −$148.1K | −100.0%0 after | 3 lots |
| Dec 6, 2022 (view filing) | Dec 2-5 | 4 days | Ross Thomas M.EVP, Global Sales & Marketing | SSale | −29.1K | $5.81 | −$169.3K | −100.0%0 after | 2 lots |
| Nov 3, 2022 (view filing) | Nov 1-2 | 2 days | Ross Thomas M.EVP, Global Sales & Marketing | SSale | −29.1K | $6.92 | −$201.7K | −100.0%0 after | 2 lots |
| Oct 12, 2022 (view filing) | Oct 10-11 | 2 days | Ross Thomas M.EVP, Global Sales & Marketing | SSale | −29.1K | $6.46 | −$188.2K | −100.0%0 after | 2 lots |
| Oct 5, 2022 (view filing)4:24 PM ET | Oct 3 | 2 days | Casdin Partners GP, LLC and 3 others10% Owner | SSaleCommon Stock, par value $0.01 per share | −735.8K | $6.15 | −$4.53M | −6.9%10.0M after | |
| Jul 6, 2022 (view filing)5:01 PM ET | Jul 1 | 5 days | Casdin Partners GP, LLC and 3 others10% Owner | SSaleCommon Stock, par value $0.01 per share | −3.24M | $4.30 | −$13.9M | −23.2%10.7M after | |
| Nov 23, 2021 (view filing) | Nov 22 | 1 day | Douglas RichardDirector | PPurchase | +20.0K | $11.12 | +$222.4K | New position20.0K after | |
| Nov 16, 2021 (view filing)7:09 PM ET | Nov 12-16 | 4 days | Holtz RonSVP and CAO | SSale | −150.0K | $12.29 | −$1.84M | −54.5%125.3K after | 3 lots |
| Nov 16, 2021 (view filing)7:08 PM ET | Nov 12-16 | 4 days | Doerfler DouglasPresident and CEO | SSale | −300.0K | $12.31 | −$3.69M | −47.4%333.2K after | 3 lots |
| Nov 16, 2021 (view filing) | Nov 12-16 | 4 days | Masoud MaherEVP and General Counsel | SSale | −75.0K | $12.31 | −$923.4K | −100.0%0 after | 3 lots |
| Nov 16, 2021 (view filing) | Nov 12-16 | 4 days | Murphy Amanda LouiseChief Financial Officer | SSale | −150.0K | $12.31 | −$1.85M | −100.0%0 after | 3 lots |
| Nov 16, 2021 (view filing) | Nov 12-16 | 4 days | Ross Thomas M.EVP, Global Sales | SSale | −125.1K | $12.31 | −$1.54M | −100.0%0 after | 3 lots |
| Aug 3, 2021 (view filing)6:08 PM ET | Jul 30 | 4 days | Casdin Partners GP, LLC and 3 others10% Owner | PPurchaseCommon Stock, par value $0.01 per share | +1.80M | $13.00 | +$23.4M | +14.8%14.0M after |