Douglas J. Swirsky, CFO of MaxCyte, Inc. ($MXCT), made one open market purchase of shares worth $64,500 in the last 365 days, most recently on August 13, 2025. This ranks 2,753rd among 4,983 insiders, well below the average of $1.5 million across 3.29 transactions. He also sold shares once for $22,061 on March 18, 2025, ranking 10,989th out of 11,678 insiders, compared to the $8.6 million average over 6.37 transactions.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 17, 2026 | MAXCYTE, INC. | $MXCT | Swirsky Douglas J | CHIEF FINANCIAL OFFICER | S | Common Stock | 10142 | $0.82 | 151,669.0000 | 106,613,075 | 6.27% | 0.01% |
| Aug. 13, 2025 | MAXCYTE, INC. | $MXCT | Swirsky Douglas J | CHIEF FINANCIAL OFFICER | P | Common Stock | 50000 | $1.29 | 161,811.0000 | 106,403,540 | 44.72% | 0.05% |
| March 18, 2025 | MAXCYTE, INC. | $MXCT | Swirsky Douglas J | CHIEF FINANCIAL OFFICER | S | Common Stock | 6939 | $3.18 | 111,811.0000 | 104,849,222 | 5.84% | 0.01% |
| March 14, 2025 | MAXCYTE, INC. | $MXCT | Swirsky Douglas J | CHIEF FINANCIAL OFFICER | A | Employee Stock Option (right to buy) | 150000 | $0.00 | 150,000.0000 | 104,849,222 | 9999.99% | 0.14% |
| March 14, 2025 | MAXCYTE, INC. | $MXCT | Swirsky Douglas J | CHIEF FINANCIAL OFFICER | A | Common Stock | 37500 | $0.00 | 118,750.0000 | 104,849,222 | 46.15% | 0.04% |
| Feb. 14, 2025 | Cellectar Biosciences, Inc. | $CLRB | Swirsky Douglas J | Director | A | Stock option (right to buy) | 90000 | $0.00 | 90,000.0000 | 1,238,125 | 9999.99% | 7.27% |
| June 14, 2024 | Cellectar Biosciences, Inc. | $CLRB | Swirsky Douglas J | Director | A | Stock option (right to buy) | 90000 | $0.00 | 90,000.0000 | 29,346,679 | 9999.99% | 0.31% |
| March 15, 2024 | MAXCYTE, INC. | $MXCT | Swirsky Douglas J | CHIEF FINANCIAL OFFICER | A | Common Stock | 81250 | $0.00 | 81,250.0000 | 103,268,502 | 9999.99% | 0.08% |
| March 15, 2024 | MAXCYTE, INC. | $MXCT | Swirsky Douglas J | CHIEF FINANCIAL OFFICER | A | Employee Stock Option (right to buy) | 225000 | $0.00 | 225,000.0000 | 103,268,502 | 9999.99% | 0.22% |
| June 28, 2023 | Cellectar Biosciences, Inc. | $CLRB | Swirsky Douglas J | Director | A | Stock option (right to buy) | 37500 | $0.00 | 71,925.0000 | 11,261,217 | 108.93% | 0.33% |
| March 27, 2023 | MAXCYTE, INC. | $MXCT | Swirsky Douglas J | Chief Financial Officer | A | Employee Stock Option (right to buy) | 350000 | $0.00 | 350,000.0000 | 101,702,664 | 9999.99% | 0.34% |