Phoenix Venture Partners LP - May 19, 2022 Form 3 Insider Report for Comera Life Sciences Holdings, Inc. (CMRA)

Role: 10%+ Owner
Signature: /s/ Zachariah Jonasson, Managing Member of sole general partner on behalf of Phoenix Venture Partners LP
Stock symbol: CMRA
Transactions as of: May 19, 2022
Transactions value $: $0
Form type: 3
Date filed: 5/31/2022, 04:54 PM

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	CMRA	Common Stock						3.05M	May 19, 2022	Direct	F1, F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	CMRA	Earn-Out Shares							May 19, 2022	Common Stock	778K		Direct	F2, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	These shares were issued in exchange for the Reporting Person's holdings in Comera Life Sciences, Inc. (the "Company") pursuant to the Business Combination Agreement dated January 31, 2022 among the Issuer, the Company, OTR Acqusition Corp., CLS Sub Merger 1 Corp. and CLS Sub Merger 2 Corp.
F2	The shares reported are directly held by Phoenix Venture Partners LP (the "Fund"). Phoenix General Partner LLC is the sole general partner of the Fund and has sole authority to vote (or direct the vote of), and to dispose (or direct the disposal) of, these shares on behalf of the Fund. The Reporting Person disclaims beneficial ownership of such shares except to the extent of its pecuniary interest therein.
F3	Each earn-out share represents a contingent right to receive one share of the Issuer's common stock if, at any time before May 19, 2024, the VWAP of the Issuer's common stock is equal to or greater than $12.50 for 20 trading days within any period of 30 consecutive trading days.