Mcguire Terrance - Insider Trading & Ownership

Location
C/O Polaris Venture Partners Lp, 1000 Winter Street, Suite 3350, Waltham, MA
Summary
The estimated value of insider holdings of Mcguire Terrance is at least $72.3M dollars as of July 9, 2025. Mcguire Terrance is the Director, 10%+ Owner of Alector, Inc. and owns shares of Alector, Inc. (ALEC) stock worth about $60.7M. Mcguire Terrance is the Director of Tectonic Therapeutic, Inc. and owns shares of Tectonic Therapeutic, Inc. (TECX) stock worth about $9.8M. Mcguire Terrance is the Director of Invivyd, Inc. and owns shares of Invivyd, Inc. (IVVD) stock worth about $1.37M. Mcguire Terrance is the Director of Seer, Inc. and owns shares of Seer, Inc. (SEER) stock worth about $353K. Mcguire Terrance is the Director of Cyclerion Therapeutics, Inc. and owns shares of Cyclerion Therapeutics, Inc. (CYCN) stock worth about $143K.
Signature
/s/ David Horn, by power of attorney
All Insider Reports
All Insider Reports

Ownership of Mcguire Terrance

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
ALEC Alector, Inc. Director, 10%+ Owner $60.7M Sep 11, 2023
TECX Tectonic Therapeutic, Inc. Director $9.8M -$8.55M -46.6% Jun 9, 2025
IVVD Invivyd, Inc. Director $1.37M -$837K -38% May 20, 2025
SEER Seer, Inc. Director $353K Jul 7, 2025
CYCN Cyclerion Therapeutics, Inc. Director $143K Nov 30, 2023

Insider Transactions Reported by Mcguire Terrance:

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.