Amir Rozwadowski - May 19, 2022 Form 4 Insider Report for OTR Acquisition Corp. (OTRA)

Role: Director
Signature: /s/ Amir Rozwadowski
Stock symbol: OTRA
Transactions as of: May 19, 2022
Transactions value $: $0
Form type: 4
Date filed: 5/20/2022, 04:36 PM
Previous filing: May 10, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	OTRA	Class A Common Stock	Conversion of derivative security		+40.9K			40.9K	May 19, 2022	Direct	F1, F2
transaction	OTRA	Class A Common Stock	Other		-40.9K	-100%		0	May 19, 2022	Direct	F3

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
transaction	OTRA	Class B Common Stock	Conversion of derivative security		-40.9K	-100%		0	May 19, 2022	Class A Common Stock	40.9K		Direct	F1, F2
transaction	OTRA	Warrant	Other		-225K	-100%		0	May 19, 2022	Class A Common Stock	225K		Direct	F4, F5

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

Amir Rozwadowski is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.

Explanation of Responses:

Id	Content
F1	As described in the issuer's registration statement on Form S-1 (File No. 333-248093) (the "Registration Statement") under the heading "Description of Securities," the shares of Class B common stock, par value $0.0001 per share ("Class B Stock"), automatically convert into shares of Class A common stock, par value $0.0001 per share ("Class A Stock"), at the time of the issuer's initial business combination, or earlier at the option of the holder, on a one-for-one basis, subject to adjustment for stock splits, stock dividends, reorganizations, recapitalizations and the like, and certain anti-dilution rights and has no expiration date.
F2	(Continued from Footnote 1) On May 19, 2022, the issuer consummated its initial business combination (the "Business Combination") with Comera Life Sciences Holdings, Inc.. ("Holdco"), a Delaware corporation. In connection with the Business Combination, each share of Class B Stock converted into Class A Stock.
F3	In connection with the Business Combination, the reporting person exchanged its Class A Shares for 40,938 fully paid and non-assessable shares of common stock, par value U.S. $0.0001 per share, of Holdco Common Stock.
F4	In connection with the Business Combination, the reporting person exchanged each of its warrants to purchase shares of Class A Stock on a one for one basis for an aggregate of 225,000 warrants to purchase shares of Holdco Common Stock at a purchase price of $11.50 per share.
F5	The warrants were not exercisable until 30 days after the issuer's initial business combination and would have expired five years from the consummation of the issuer's initial business combination.