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ES

Eric D. Shaff

Insider · Director · MCRB

Eric D. Shaff files insider transactions with the SEC as a ceo and president of Seres Therapeutics (MCRB). We hold 3 disclosed purchases and sales filed since 29 June 2015, 1 of them in the last 90 days.

  • Files forMCRB
  • Disclosed buys and sells3 in all, 1 in the last 90 days
  • Last disclosure18 August 2026

Positions held

2 posts we hold — a term names its own dates; a run of filings only says when they filed
  • Filed 25 June 2015 — 17 August 2026CEO and President · Seres Therapeutics (MCRB)99 Form 4 lines · source: SEC Form 4
  • Filed 24 June 2021 — 11 August 2023Director · Sigilon Therapeutics (SGTX)5 Form 4 lines · source: SEC Form 4

Everything they disclosed

104 entries, newest first — one per disclosure report, one per Form 4 line

Positions come from the unitedstates/congress-legislators roster, the Office of Government Ethics and the SEC’s Form 4 index. Every disclosed line names its own source and links the document the government published; we print what the filing says and never a price we did not read from it. Headlines and links come from the GDELT Global Knowledge Graph — the story stays with the publisher. The portrait, where we have one, is the public-domain Congressional Bioguide photograph.