Arkolith/Insider Trading/MCRB/Form 4

DesRosier Thomas

Chief Legal Officer and EVPSeres Therapeutics, Inc. (MCRB) · full profile →Form 4 · filed May 19, 2025
Net Selling
Open-Market Buys
$0
Open-Market Sells
$575
Net Open-Market Flow
-$575
Transactions
5
3 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
May 15, 2025Sell(S)79$7.28$5757K
May 15, 2025Option exercise(M)133——7K
May 15, 2025Option exercise(M)111——7K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
May 15, 2025Option exercise(M)111—$01K
May 15, 2025Option exercise(M)133—$0929

Transaction Codes

S
Open-market sale
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0000950170-25-074325) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML