ALMS Alumis Inc.

NASDAQ
$7.77

Alumis Inc. (ALMS) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

30D 90D 6M 1Y
Insider signal Bullish Insiders bought more than they sold over this window — uncommon at any size.
Cluster activity 1 buyer in the last 30 days 1 buyer in the last 90 days 7 sellers in the last 90 days
Insiders buying
1
4 transactions
Insiders selling
7
9 transactions
Purchases
$10.7M
986,721 shares
Sales
$1.5M
116,084 shares
Net activity
$9.2M
purchases less sales

How much of that selling was preplanned? 0% planned / 100% discretionary

10b5-1 plan sales $0 0 transactions · 0 shares
Discretionary sales $1.5M 9 transactions · 116,084 shares

Largest single sale: $507.0K.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: September 8, 2026 , by AKKARAJU SRINIVAS .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
AKKARAJU SRINIVAS 2 fills Director Buy 546,581 $10.63 $5.8M 4,937,026
AKKARAJU SRINIVAS 2 fills Director Sell 96,131 $10.55 $1.0M 4,663,735 −2% of holding
AKKARAJU SRINIVAS 2 fills Director Buy 440,140 $11.17 $4.9M 4,711,801
Schroer John R. Chief Financial Officer Sell 3,282 $26.37 $86.5K 24,718 −11.7% of holding
Hardiman Roy C. Chief Business & Strategy Ofcr Sell 2,692 $26.37 $71.0K 207,746 −1.3% of holding
Goldstein David M Chief Scientific Officer Sell 2,596 $26.37 $68.5K 30,970 −7.7% of holding
Bradley Mark Christopher Chief Development Officer Sell 2,572 $26.37 $67.8K 48,533 −5% of holding
Drappa Jorn Chief Medical Officer Sell 2,447 $26.37 $64.5K 56,892 −4.1% of holding
Pangali Sanam Chief Legal Officer Sell 1,364 $26.37 $36.0K 9,747 −12.3% of holding
Pangali Sanam Chief Legal Officer Sell 5,000 $28.00 $140.0K 11,111 −31% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.