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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
Aug 18, 2026 (view filing)5:27 PM ETAug 171 dayShaff Eric D.DirectorSSale−263$4.55−$1.20K−2.1%12.5K after10b5-1
May 19, 2026 (view filing)May 181 dayShaff Eric D.DirectorSSale−259$7.53−$1.95K−2.1%12.0K after10b5-1
Feb 18, 2026 (view filing)Feb 153 daysShaff Eric D.DirectorSSale−259$8.47−$2.19K−2.2%11.6K after10b5-1
Nov 18, 2025 (view filing)Nov 153 daysShaff Eric D.DirectorSSale−217$17.30−$3.75K−1.9%11.1K after10b5-1
Aug 19, 2025 (view filing)Aug 181 dayShaff Eric D.DirectorSSale−217$16.65−$3.61K−2.0%10.6K 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
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
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
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
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

See all 13 trades at MCRB