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START FREE TRIAL →Michael Mason, EVP, CFO & Treasurer, is a corporate insider tracked by InsiderTape across 1 company. The public record shows 14 open-market SEC Form 4 transactions: 0 purchases worth $0 and 14 sales worth $190K, reported from Feb 7, 22 to Sep 4, 24. Over this period they have been a net seller.
| Date | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 4, 24 | KPTIKaryopharm Therapeutics Inc. | SELL | 7.0K | $0.72 | $5K |
| Jun 4, 24 | KPTIKaryopharm Therapeutics Inc. | SELL | 652 | $0.99 | $645 |
| Mar 1, 24 | KPTIKaryopharm Therapeutics Inc. | SELL | 6.2K | $1.20 | $7K |
| Feb 29, 24 | KPTIKaryopharm Therapeutics Inc. | SELL | 27.7K | $1.17 | $32K |
| Feb 27, 24 | KPTIKaryopharm Therapeutics Inc. | SELL | 2.5K | $1.32 | $3K |
| Feb 6, 24 | KPTIKaryopharm Therapeutics Inc. | SELL | 4.2K | $1.59 | $7K |
| Sep 1, 23 | KPTIKaryopharm Therapeutics Inc. | SELL | 6.9K | $1.33 | $9K |
| Jun 2, 23 | KPTIKaryopharm Therapeutics Inc. | SELL | 631 | $2.22 | $1K |
| Mar 1, 23 | KPTIKaryopharm Therapeutics Inc. | SELL | 11.2K | $3.03 | $34K |
| Feb 27, 23 | KPTIKaryopharm Therapeutics Inc. | SELL | 2.8K | $3.04 | $9K |
| Feb 6, 23 | KPTIKaryopharm Therapeutics Inc. | SELL | 4.1K | $3.40 | $14K |
| Jun 3, 22 | KPTIKaryopharm Therapeutics Inc. | SELL | 598 | $6.07 | $4K |
| Feb 28, 22 | KPTIKaryopharm Therapeutics Inc. | SELL | 2.4K | $10.24 | $25K |
| Feb 7, 22 | KPTIKaryopharm Therapeutics Inc. | SELL | 3.9K | $9.86 | $39K |