Arkolith/Insider Trading/ALMS/Form 4

Tananbaum James B.

Director, 10% OwnerALUMIS INC. (ALMS) · full profile →Form 4 · filed Jan 12, 2026
Net Buying
Open-Market Buys
$7.0M
Open-Market Sells
$0
Net Open-Market Flow
$7.0M
Transactions
2
2 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Jan 8, 2026Buy(P)294K$17.00$5.0M2.9M
Jan 8, 2026Buy(P)118K$17.00$2.0M5.7M

Transaction Codes

P
Open-market purchase

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001104659-26-003016) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML