Iwicki Mark T
SEC insider (Form 3/4/5 filer). CIK 0001415537. Director at Q32 Bio Inc. (QTTB) and 5 other issuers. 34 reported Form 4/5 transactions since Sep 2024; latest on Jun 12, 2026. Located in WALTHAM, MA.
Companies Iwicki Mark T has filed insider reports for
- Q32 Bio Inc. (QTTB): Director
- Inhibikase Therapeutics, Inc. (IKT): Director, Officer, Chief Executive Officer
- Merus N.V. (MRUS): Director
- Akero Therapeutics, Inc. (AKRO): Director
- KALA BIO, Inc. (KALA): Director, Officer, CHIEF EXECUTIVE OFFICER
- Third Harmonic Bio, Inc. (THRD): Director
Iwicki Mark T
CIK: 0001415537
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (34 total)
- Jun 12, 2026QTTB
Q32 Bio Inc.
AwardDirectStock Option (Right to Buy)
10.8K shares- - Jun 12, 2026QTTB
Q32 Bio Inc.
AwardDirectStock Option (Right to Buy)
9.8K shares- - Jan 5, 2026IKT
Inhibikase Therapeutics, Inc.
AwardDirectStock Option (Right to Buy)
5M shares- - Dec 12, 2025MRUS
Merus N.V.
DispositionDirectShare Option (right to buy)
16.6K shares- - Dec 12, 2025MRUS
Merus N.V.
DispositionDirectShare Option (right to buy)
8.8K shares- - Dec 12, 2025MRUS
Merus N.V.
DispositionDirectShare Option (right to buy)
14.4K shares- - Dec 12, 2025MRUS
Merus N.V.
DispositionDirectShare Option (right to buy)
8.6K shares- - Dec 12, 2025MRUS
Merus N.V.
Tender OfferDirect73.6K shares at avg. $97.00$7.1M - Dec 12, 2025MRUS
Merus N.V.
DispositionDirectShare Option (right to buy)
6.1K shares- - Dec 12, 2025MRUS
Merus N.V.
DispositionDirectShare Option (right to buy)
13.2K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 12, 2026 |  QTTB Q32 Bio Inc. | Award Stock Option (Right to Buy) | 10,826 | - | - | Direct |
| Jun 12, 2026 | QTTB Q32 Bio Inc. | Award Stock Option (Right to Buy) | 9,810 | - | - | Direct |
| Jan 5, 2026 |  IKT Inhibikase Therapeutics, Inc. | Award Stock Option (Right to Buy) | 4,982,706 | - | - | Direct |
| Dec 12, 2025 |  MRUS Merus N.V. | Disposition Share Option (right to buy) | 16,604 | - | - | Direct |
| Dec 12, 2025 | MRUS Merus N.V. | Disposition Share Option (right to buy) | 8,844 | - | - | Direct |
| Dec 12, 2025 | MRUS Merus N.V. | Disposition Share Option (right to buy) | 14,414 | - | - | Direct |
| Dec 12, 2025 | MRUS Merus N.V. | Disposition Share Option (right to buy) | 8,631 | - | - | Direct |
| Dec 12, 2025 | MRUS Merus N.V. | Tender Offer | 73,576 | $97.00 | $7,136,872 | Direct |
| Dec 12, 2025 | MRUS Merus N.V. | Disposition Share Option (right to buy) | 6,120 | - | - | Direct |
| Dec 12, 2025 | MRUS Merus N.V. | Disposition Share Option (right to buy) | 13,193 | - | - | Direct |
1-10 of 34 transactions