BRADLEY MARK CHRISTOPHER

PrivateCIK: 2023657
Location

SOUTH SAN FRANCISCO, CA

BRADLEY MARK CHRISTOPHER (Chief Development Officer) sold 5.0% of their position (2.57K shares) of ALUMIS INC. on the open market

Open‑market sale worth $67.8K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderBRADLEY MARK CHRISTOPHERCIK 2023657
IssuerALUMIS INC.CIK 1847367
Officer· Chief Development Officer
Since Jan 2026
-2.57K
Net shares
Net seller
$67.8K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
2.57K disposed
Non-Derivative Transactions1

Common Stock

Direct
S · Sale

Shares

2.57K

Price / share

$26.37

Trade value

$67.82K

% of position

5.0%
8/3/2026
51.10K48.53K
Total

Net shares

2.57K

Net value

-$67.82K

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)2

Common Stock

Indirect
Shares owned20.03K

Common Stock

Indirect
Shares owned20.03K
Total
40.05K indirect40.05K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported