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Shaff Eric D.

In the past year, 4 open-market sale filings worth $9.09K and no purchases.

Current role at each company

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
$9.09K
4 filings
Net
−$9.09K
Bought minus sold
Companies
1
With open-market trades

Trades

Every Form 4 that lists Shaff Eric D. 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.

MCRB Seres Therapeutics, Inc.

Director13 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Oct 31, 2023 (view filing)Oct 301 dayShaff Eric D.CEO and PresidentSSale−8.55K$1.35−$11.5K−6.9%115.6K after10b5-1
Feb 16, 2024 (view filing)Feb 16Same dayShaff Eric D.CEO and PresidentSSale−11.5K$1.08−$12.5K−7.9%135.3K after10b5-1
May 17, 2024 (view filing)May 152 daysShaff Eric D.CEO and PresidentSSale−2.44K$0.94−$2.29K−1.7%140.7K after10b5-1
Aug 19, 2024 (view filing)Aug 163 daysShaff Eric D.CEO and PresidentSSale−2.52K$0.84−$2.12K−1.7%146.0K after10b5-1
Oct 29, 2024 (view filing)Oct 281 dayShaff Eric D.CEO and PresidentSSale−8.75K$0.69−$6.04K−5.0%165.1K after10b5-1
Nov 19, 2024 (view filing)Nov 181 dayShaff Eric D.CEO and PresidentSSale−2.50K$0.54−$1.35K−1.4%170.4K after10b5-1
Feb 19, 2025 (view filing)Feb 181 dayShaff Eric D.CEO and PresidentSSale−12.7K$0.81−$10.3K−6.2%192.0K after10b5-1
May 19, 2025 (view filing)May 163 daysShaff Eric D.CEO and PresidentSSale−220$7.28−$1.60K−2.1%10.1K after10b5-1
Aug 19, 2025 (view filing)Aug 181 dayShaff Eric D.DirectorSSale−217$16.65−$3.61K−2.0%10.6K after10b5-1
Nov 18, 2025 (view filing)Nov 153 daysShaff Eric D.DirectorSSale−217$17.30−$3.75K−1.9%11.1K after10b5-1

See all 13 trades at MCRB