Bradley Mark Christopher 4

What Happened

Bradley Mark Christopher, Chief Development Officer of Alumis, was granted a derivative award covering 190,225 shares on January 26, 2026. The Form 4 reports the acquisition as a grant/award (transaction code A) at $0.00 per share (reported value $0). This is a compensation award (an option or similar equity award under the company plan), not an open-market purchase or sale.

Key Details

• Transaction date: 2026-01-26; Form 4 filed 2026-01-28 (appears timely).
• Transaction type: Award/Grant of derivative securities (code A); reported price $0.00.
• Shares involved: 190,225 underlying shares granted.
• Shares owned after transaction: Not specified in the provided filing excerpt.
• Footnote (F1): 25% of the shares underlying the option vest on January 26, 2027; remaining shares vest in equal monthly installments over the following 36 months, subject to acceleration provisions and the Reporting Person’s Continuous Service under the Issuer’s 2024 Equity Incentive Plan.

Context

This award is a typical equity compensation grant for an executive and does not represent an immediate cash purchase or sale. The grant vests over time, so any future trading or realized value will depend on vesting, possible exercise terms, and the company’s stock price at those times. Monitor subsequent filings for exercises, sales, or tax-withholding-related share transfers that will show realized insider activity.