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Institutional filer profile

ARCH Venture Partners XII LLC Insider Trades

Latest reported as Corporate insider of CITY THERAPEUTICS, INC. (CTY).

Purchase filings
2
Reported companies
2
Net open-market value
$22,860,000
Latest transaction
Oct 19, 2026

Affiliated corporations

Reported company relationships

CTYLatest reported

CITY THERAPEUTICS, INC.

Corporate insider

SPTXPrior filing

Seaport Therapeutics, Inc.

10% Owner

Transaction history

Open-market Transactions

Open-market insider purchase and sale transactions
DateCompanyRoleTypeSharesPriceTotal value
Oct 19, 2026CITY THERAPEUTICS, INC. (CTY)Corporate insiderOpen Market Purchase170,000$18.00$3,060,000
May 4, 2026Seaport Therapeutics, Inc. (SPTX)10% OwnerOpen Market Purchase1,100,000$18.00$19,800,000