Mark Christopher Bradley

CIK: 0002023657

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)1 (25.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)3 (75.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

ALMS

ALUMIS INC.

Officer

Discretionary Trading P&L

Holdings

Transaction History (4 total)

ALMS
ALUMIS INC.
Aug 3, 2026
Sale(S)
Direct
2.6K shares at avg. $26.37$68K
ALMS
ALUMIS INC.
Jan 26, 2026
Award(A)
Stock Option (Right to Buy)
Direct
190.2K shares-
ALMS
ALUMIS INC.
Jul 29, 2025
Award(A)
Direct
26.8K shares-
ALMS
ALUMIS INC.
Feb 18, 2025
Award(A)
Stock Option (Right to Buy)
Direct
140K shares-

		Type	Shares	Price		Ownership
Aug 3, 2026	ALMS ALUMIS INC.	Sale(S)	2,572	$26.37	$67,824	Direct
Jan 26, 2026	ALMS ALUMIS INC.	Award(A) Stock Option (Right to Buy)	190,225	-	-	Direct
Jul 29, 2025	ALMS ALUMIS INC.	Award(A)	26,750	-	-	Direct
Feb 18, 2025	ALMS ALUMIS INC.	Award(A) Stock Option (Right to Buy)	140,000	-	-	Direct

1-4 of 4 transactions

About Bradley Mark Christopher

Bradley Mark Christopher (SEC CIK 0002023657) files insider reports with the SEC as Chief Development Officer of ALUMIS INC. (ALMS).

Signal8 holds 4 ownership filings by Bradley Mark Christopher, all Form 4s, filed between Feb 20, 2025 and Aug 5, 2026. Those filings report 4 transactions, from Feb 18, 2025 to Aug 3, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Bradley Mark Christopher's filings is in SOUTH SAN FRANCISCO, CA.

Recent filings by Bradley Mark Christopher

Aug 3, 2026: Open-market sale of ALMS shares (Form 4, code S).
Jan 26, 2026: Grant or award of ALMS derivative securities (Form 4, code A).
Jul 29, 2025: Grant or award of ALMS shares (Form 4, code A).
Feb 18, 2025: Grant or award of ALMS derivative securities (Form 4, code A).

Other insiders filing for ALUMIS INC. (ALMS)

AKKARAJU SRINIVAS, Director
Schroer John R., Chief Financial Officer
Pangali Sanam, Chief Legal Officer
Hardiman Roy C., Chief Business & Strategy Ofcr
Goldstein David M, Chief Scientific Officer
Drappa Jorn, Chief Medical Officer

How to read Form 4 transaction codes