Insider Trading & Ownership of Alan Colowick

Location
Redwood City, CA
Summary
The estimated net worth of Alan Colowick is at least $516,398 dollars as of 03 Apr 2025. Alan Colowick is the Director of Harpoon Therapeutics, Inc. and owns shares of Harpoon Therapeutics, Inc. stock worth about $378.5K. Alan Colowick is the Director of ALUMIS INC. and owns shares of ALUMIS INC. (ALMS) stock worth about $137.9K.
Signature
/s/ Sara Klein, Attorney-in-Fact
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Key facts

  • Alan Colowick has 5 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $516,398.
  • Recent insider filing activity is available below.

Change

  • Largest disclosed position: Harpoon Therapeutics, Inc. ($378,488).
  • Past-year value change for that position: .

Research use

  • This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
  • You can cross-check role, issuer, and filing chronology directly against the SEC source.

Evidence

Filed on Form 4

Insider ownership context is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Ownership of Alan Colowick

ALMS Forms 3/4/5

ALUMIS INC.

Relationship
Director
Holdings value
$137,910
Past year net change
Change %
Report period
01 Apr 2025
SLRN Forms 3/4/5

ACELYRIN, Inc.

Relationship
Director
Holdings value
Past year net change
Change %
Report period
04 May 2023
PSNL Forms 3/4/5

Personalis, Inc.

Relationship
Director
Holdings value
Past year net change
Change %
Report period
17 May 2023

Insider Transactions Reported by Alan Colowick:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.
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