Insider Trading & Ownership of Iwicki Mark T.

Location
Marlborough, MA
Summary
The estimated net worth of Iwicki Mark T. is at least $879,119 dollars as of 07 Jan 2026. Iwicki Mark T. is the Director of Q32 Bio Inc. and owns shares of Q32 Bio Inc. (QTTB) stock worth about $342.7K. Iwicki Mark T. is the Director of KALA BIO, Inc. and owns shares of KALA BIO, Inc. (KALA) stock worth about $212.3K. Iwicki Mark T. is the Director of Aerovate Therapeutics, Inc. and owns shares of Jade Biosciences, Inc. (JBIO) stock worth about $204.6K. Iwicki Mark T. is the Director of Merus N.V. and owns shares of Merus N.V. stock worth about $119.6K.
Signature
/s/ Mark Iwicki
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Key facts

  • Iwicki Mark T. has 7 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $879,119.
  • Recent insider filing activity is available below.

Change

  • Largest disclosed position: Q32 Bio Inc. ($342,666).
  • 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 Iwicki Mark T.

QTTB Forms 3/4/5

Q32 Bio Inc.

Relationship
Director
Holdings value
$342,666
Past year net change
Change %
Report period
23 Oct 2025
KALA Forms 3/4/5

KALA BIO, Inc.

Relationship
Director
Holdings value
$212,257
Past year net change
-$93,679
Change %
-31%
Report period
23 Oct 2025
MRUS Forms 3/4/5

Merus N.V.

Relationship
Director
Holdings value
$119,571
Past year net change
Change %
Report period
12 Dec 2025

Insider Transactions Reported by Iwicki Mark T.:

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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