Updated Jul 16, 2026
Johnston John Joseph has filed 1 SEC Form 4 filing across 1 company in the last 90 days — selling. Lifetime open-market sales: $35K.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-22 | MXCT | MAXCYTE, INC. | A — Grant or award | 30.4K | $0.00 | |
| 2025-06-18 | MXCT | MAXCYTE, INC. | A — Grant or award | 29.2K | $0.00 | |
| 2024-12-30 | MXCT | MAXCYTE, INC. | S — Open-market sale [10b5-1] | 3.0K | $4.01 | $12K |
| 2024-12-30 | MXCT | MAXCYTE, INC. | M — Option exercise [10b5-1] | 3.0K | $2.93 | $9K |
| 2024-12-10 | MXCT | MAXCYTE, INC. | S — Open-market sale [10b5-1] | 2.5K | $3.79 | $9K |
| 2024-12-10 | MXCT | MAXCYTE, INC. | M — Option exercise [10b5-1] | 483 | $2.93 | $1K |
| 2024-12-10 | MXCT | MAXCYTE, INC. | M — Option exercise [10b5-1] | 1.1K | $1.64 | $2K |
| 2024-12-10 | MXCT | MAXCYTE, INC. | M — Option exercise [10b5-1] | 891 | $2.93 | $3K |
| 2024-12-10 | MXCT | MAXCYTE, INC. | S — Open-market sale [10b5-1] | 505 | $3.70 | $2K |
| 2024-12-10 | MXCT | MAXCYTE, INC. | M — Option exercise [10b5-1] | 505 | $2.93 | $1K |
| 2024-10-30 | MXCT | MAXCYTE, INC. | S — Open-market sale [10b5-1] | 3.0K | $3.72 | $11K |
| 2024-10-30 | MXCT | MAXCYTE, INC. | M — Option exercise [10b5-1] | 3.0K | $2.93 | $9K |
Johnston John Joseph is a corporate insider — currently tracked as Insider of MAXCYTE, INC. (MXCT). InsiderAlpha tracks every SEC Form 4 filing in real time.
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 4 open-market sales ($35K) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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