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Shaff Eric D.'s Form 4 filing

Seres Therapeutics, Inc. (MCRB) · filed May 19, 2025

Accession no.
0000950170-25-074327
Filed
May 19, 2025
Trade date
May 15-16, 2025
Filing delay
4 days
Rule 10b5-1 plan
Checked

This filing lists 3 non-derivative transactions and 2 derivative transactions. Open-market sales total $1.60K. It was filed 4 days after the trade.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Shaff Eric D.CIK 0001643734Director, Officer (CEO and President)

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
May 15, 2025Common StockMOption exerciseAcquired+390––9,991Direct
May 15, 2025Common StockMOption exerciseAcquired+331––10,322Direct
May 16, 2025Common StockSSaleDisposed−220$7.28−$1,601.610,102Direct

Derivative securities (Table II)

Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.

Derivative transactions
Trade dateSecurityTransactionUnderlying sharesUnit priceValueHeld afterOwnershipFlags
May 15, 2025Common StockMOption exerciseDisposed−390$0.00$02,735Direct
May 15, 2025Common StockMOption exerciseDisposed−331$0.00$03,653Direct

Footnotes

Livermore does not store Form 4 footnotes. For price ranges, how indirect holdings are held and trading plan details, read the original on SEC EDGAR.

Read the original on SEC EDGAR (opens in a new tab)