Shaff Eric D.

Seres Therapeutics, Inc. ยท Director

Shaff Eric D. is listed in public filings as director. This Shaff Eric D. insider trading page organizes Form 4 disclosures, reported purchases and sales, transaction dates, share amounts, related issuers, and historical insider activity so readers can review the person's public trading record in one place. Companies and tickers connected to this insider trading profile include Seres Therapeutics, Inc. (MCRB). Investors use Shaff Eric D.'s insider trading disclosures to study buying and selling patterns, position changes, company-specific activity, and the source evidence behind each reported transaction.

Latest Actions

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Seres Therapeutics, Inc.MCRB$91k12k sharesSellMay 18, 2026$1.9K259 shares$7.53--

Insider Trades History

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Seres Therapeutics, Inc.MCRB--1.2k sharesGrant / ExerciseMay 15, 2026Disclosure amount unavailable391 shares----
Seres Therapeutics, Inc.MCRB--2.3k sharesGrant / ExerciseMay 15, 2026Disclosure amount unavailable331 shares----
Seres Therapeutics, Inc.MCRB--12.3k sharesGrant / ExerciseMay 15, 2026Disclosure amount unavailable722 shares----
Seres Therapeutics, Inc.MCRB$98k11.6k sharesSellFeb 15, 2026$2.2K259 shares$8.47--
Seres Therapeutics, Inc.MCRB--1.6k sharesGrant / ExerciseFeb 15, 2026Disclosure amount unavailable391 shares----
Seres Therapeutics, Inc.MCRB--2.7k sharesGrant / ExerciseFeb 15, 2026Disclosure amount unavailable333 shares----
Seres Therapeutics, Inc.MCRB--11.8k sharesGrant / ExerciseFeb 15, 2026Disclosure amount unavailable723 shares----
Seres Therapeutics, Inc.MCRB$192k11.1k sharesSellNov 15, 2025$3.8K217 shares$17.30--
Seres Therapeutics, Inc.MCRB--2k sharesGrant / ExerciseNov 15, 2025Disclosure amount unavailable390 shares----
Seres Therapeutics, Inc.MCRB--3k sharesGrant / ExerciseNov 15, 2025Disclosure amount unavailable331 shares----
Seres Therapeutics, Inc.MCRB$177k10.6k sharesSellAug 18, 2025$3.6K217 shares$16.65--
Seres Therapeutics, Inc.MCRB--2.3k sharesGrant / ExerciseAug 15, 2025Disclosure amount unavailable391 shares----
Seres Therapeutics, Inc.MCRB--3.3k sharesGrant / ExerciseAug 15, 2025Disclosure amount unavailable333 shares----
Seres Therapeutics, Inc.MCRB$74k10.1k sharesSellMay 16, 2025$1.6K220 shares$7.28--
Seres Therapeutics, Inc.MCRB--2.7k sharesGrant / ExerciseMay 15, 2025Disclosure amount unavailable390 shares----
Seres Therapeutics, Inc.MCRB--3.7k sharesGrant / ExerciseMay 15, 2025Disclosure amount unavailable331 shares----
Seres Therapeutics, Inc.MCRB$156k192k sharesSellFeb 18, 2025$10.3K12.7k shares$0.8105--
Seres Therapeutics, Inc.MCRB--62.5k sharesGrant / ExerciseFeb 15, 2025Disclosure amount unavailable7.8k shares----
Seres Therapeutics, Inc.MCRB--79.7k sharesGrant / ExerciseFeb 15, 2025Disclosure amount unavailable26.6k shares----
Seres Therapeutics, Inc.MCRB$1.5M2M sharesGrant / ExerciseFeb 7, 2025$1.5M2M shares$0.782--
Seres Therapeutics, Inc.MCRB$92k170.4k sharesSellNov 18, 2024$1.4K2.5k shares$0.5409--
Seres Therapeutics, Inc.MCRB--70.3k sharesGrant / ExerciseNov 15, 2024Disclosure amount unavailable7.8k shares----
Seres Therapeutics, Inc.MCRB$114k165.1k sharesSellOct 28, 2024$6.0K8.7k shares$0.6901--
Seres Therapeutics, Inc.MCRB--27.8k sharesGrant / ExerciseOct 27, 2024Disclosure amount unavailable27.8k shares----
Seres Therapeutics, Inc.MCRB$123k146k sharesSellAug 16, 2024$2.1K2.5k shares$0.84--
Seres Therapeutics, Inc.MCRB--78.1k sharesGrant / ExerciseAug 15, 2024Disclosure amount unavailable7.8k shares----