Arkolith/Insider Trading/MCRB/Form 4

Young Teresa L.

See RemarksSeres Therapeutics, Inc. (MCRB) · full profile →Form 4 · filed Feb 18, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$635
Net Open-Market Flow
-$635
Transactions
4
2 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Feb 15, 2026Option exercise(M)231——9K
Feb 15, 2026Sell(S)75$8.47$6359K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Feb 15, 2026Option exercise(M)98—$0780
Feb 15, 2026Option exercise(M)133—$0531

Transaction Codes

M
Option exercise / conversion
S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001193125-26-057157) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML