Insider Trading & Ownership of Mark C. McKenna

Location: Bridgewater, NJ
Summary: The estimated net worth of Mark C. McKenna is at least $1,682,105 dollars as of 22 Jan 2026. Mark C. McKenna is the Director of Apogee Therapeutics, Inc. and owns shares of Apogee Therapeutics, Inc. (APGE) stock worth about $997K. Mark C. McKenna is the Director of NewAmsterdam Pharma Co N.V. and owns shares of NewAmsterdam Pharma Co N.V. (NAMS) stock worth about $363.6K. Mark C. McKenna is the Former Director of Helix Acquisition Corp. II and owns shares of BridgeBio Oncology Therapeutics, Inc. (BBOT) stock worth about $321.5K.
Signature: /s/ Mark McKenna
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Ownership of Mark C. McKenna

Symbol	Company	Relationship	Holdings Value	Report Period
APGE	Apogee Therapeutics, Inc.	Director	$997,000	17 Jun 2025
NAMS, NAMSW	NewAmsterdam Pharma Co N.V.	Director	$363,586	07 Jan 2026
BBOT	Helix Acquisition Corp. II	Former Director	$321,519	11 Aug 2025
HLXC	Helix Acquisition Corp. III	Director		22 Jan 2026
PCSC	Perceptive Capital Solutions Corp	Director		11 Jun 2024
RXDX	Prometheus Biosciences, Inc.	Chairman, President and CEO, Director		16 Jun 2023
SYRE	Spyre Therapeutics, Inc.	Director		29 May 2025

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.