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Scarlett John A

No open-market purchases or sales filed in the past year.

Current role at each company

  • GERN Geron CorpChairman, President and CEOas of Mar 3, 2025
  • Chiasma, IncDirectoras of Aug 5, 2021

Open-market trades in the past year

Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.

Bought
–
0 filings
Sold
–
0 filings
Net
–
Bought minus sold
Companies
0
With open-market trades

Trades

Every Form 4 that lists Scarlett John A as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.

GERN Geron Corp

Chairman, President and CEO3 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Mar 3, 2025 (view filing)Feb 274 daysScarlett John AChairman, President and CEOPPurchase+12.5K$1.77+$22.1KNew position12.5K after
Jun 5, 2024 (view filing)Jun 41 dayScarlett John AChairman, President and CEOSSale−600.0K$4.00−$2.40M−50.0%600.0K after
Feb 10, 2023 (view filing)Feb 8-102 daysScarlett John AChairman, President and CEOSSale−1.34M$3.04−$4.07M−100.0%0 after3 lots