InsiderTape plots every Form 4 on the price chart and flags cluster buys, CEO conviction, and first buys in years the moment they file. Start a free 7-day trial, cancel anytime.
START FREE TRIAL →John Joseph Johnston, Director, is a corporate insider tracked by InsiderTape across 1 company. The public record shows 21 open-market SEC Form 4 transactions: 0 purchases worth $0 and 21 sales worth $389K, reported from Jun 26, 23 to Jan 27, 25. Over this period they have been a net seller.
| Date | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Jan 27, 25 | MXCTMAXCYTE, INC. | SELL | 3.0K | $4.65 | $14K |
| Dec 26, 24 | MXCTMAXCYTE, INC. | SELL | 3.0K | $4.01 | $12K |
| Dec 9, 24 | MXCTMAXCYTE, INC. | SELL | 2.5K | $3.79 | $9K |
| Dec 6, 24 | MXCTMAXCYTE, INC. | SELL | 505 | $3.70 | $2K |
| Oct 28, 24 | MXCTMAXCYTE, INC. | SELL | 3.0K | $3.72 | $11K |
| Sep 26, 24 | MXCTMAXCYTE, INC. | SELL | 3.0K | $3.82 | $11K |
| Aug 26, 24 | MXCTMAXCYTE, INC. | SELL | 3.0K | $4.28 | $13K |
| Jul 26, 24 | MXCTMAXCYTE, INC. | SELL | 3.0K | $4.75 | $14K |
| Jun 27, 24 | MXCTMAXCYTE, INC. | SELL | 10.0K | $3.99 | $40K |
| Mar 26, 24 | MXCTMAXCYTE, INC. | SELL | 5.0K | $4.41 | $22K |
| Feb 26, 24 | MXCTMAXCYTE, INC. | SELL | 5.0K | $4.60 | $23K |
| Jan 26, 24 | MXCTMAXCYTE, INC. | SELL | 5.0K | $5.12 | $26K |
| Dec 26, 23 | MXCTMAXCYTE, INC. | SELL | 5.0K | $4.53 | $23K |
| Nov 27, 23 | MXCTMAXCYTE, INC. | SELL | 5.0K | $4.59 | $23K |
| Nov 14, 23 | MXCTMAXCYTE, INC. | SELL | 10.0K | $3.71 | $37K |
| Aug 30, 23 | MXCTMAXCYTE, INC. | SELL | 2.8K | $3.70 | $11K |
| Aug 29, 23 | MXCTMAXCYTE, INC. | SELL | 2.1K | $3.70 | $8K |
| Aug 28, 23 | MXCTMAXCYTE, INC. | SELL | 100 | $3.70 | $370 |
| Jul 26, 23 | MXCTMAXCYTE, INC. | SELL | 5.0K | $4.75 | $24K |
| Jun 27, 23 | MXCTMAXCYTE, INC. | SELL | 7.5K | $4.39 | $33K |
| Jun 26, 23 | MXCTMAXCYTE, INC. | SELL | 7.5K | $4.49 | $34K |