Mark Christopher Bradley

Insider Reports History

Identity Names, identifiers, and filing context for this profile. 1 identity field
Reporting-owner location
South San Francisco, CA
SEC source record Original filing metadata and source links for verification. 1 source field
Latest reporting-owner signature
/s/ Sanam Pangali, Attorney-in-Fact
Source: Latest parsed Forms 3/4/5 signature
Source evidence Original filing metadata and source links for verification. 1 source field
Transaction source note
Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.

Reported holdings for Mark Christopher Bradley

Form 4 holding Chief Development Officer

ALUMIS INC.

Security class
Common Stock
Shares / value
48,533
Estimated value
$1,279,815
Report date
03 Aug 2026
Price
$26.37
Ownership
Direct
Form 4 holding Chief Development Officer

ALUMIS INC.

Security class
Common Stock
Shares / value
20,026
Estimated value
$563,531
Report date
03 Aug 2026
Price
$28.14
Ownership
By GRAT
Form 4 holding Chief Development Officer

ALUMIS INC.

Security class
Stock Option (Right to Buy)
Shares / value
190,225
Estimated value
Report date
26 Jan 2026
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount

Insider Reports Filed by Mark Christopher Bradley

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