Revelation Biosciences (REVB) Form 3 Petra Acquisition / ANDREAS TYPALDOS ownership change

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

TYPALDOS ANDREAS

(Last) (First) (Middle)

C/O PETRA ACQUISITION, INC.

5 WEST 21 ST.

(Street)

NEW YORK NY 10010

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
10/07/2020

3. Issuer Name and Ticker or Trading Symbol
Petra Acquisition Inc. [ PAIC ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	10% Owner
X	Officer (give title below)		Other (specify below)
Chief Executive Officer

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	1,962,500(2)	I	See Footnote(1)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Redeemable Warrant(3)	(4)	(5)	Common Stock	3,150,000	(6)	I	See Footnote(1)

Explanation of Responses:

1. The reporting person is a member of Petra Investment Holdings, LLC ("Sponsor"). He disclaims any pecuniary interest in the securities except to the extent of his ownership interest in Petra Investment Holdings, LLC.

2. The shares of common stock owned by the reporting person include up to 262,500 shares that are subject to forfeiture to the extent the underwriters of the initial public offering of the issuer's securities do not exercise in full their over-allotment option as described in the issuer's registration statement.

3. Includes securities underlying 3,150,000 warrants of the Issuer, which prior to the effective date of the registration statement relating to the Issuer's initial public offering, the Sponsor irrevocably committed to purchase. Each warrant entitling the holder to purchase one share of common stock. The purchase of these warrants is being made on a private placement basis and was consummated simultaneously with the consummation of the Issuer's initial public offering. Does not include securities underlying up to 315,000 additional warrants which the reporting person irrevocably committed to purchase in the event the underwriters in the Issuer's initial public offering exercise their overallotment option in full.

4. Each warrant will become exercisable on the later of 30 days after the completion of the Issuer's initial business combination or October 7, 2021.

5. Each warrant will expire five years after the completion of the Issuer's initial business combination.

6. Each whole warrant entitles the holder to purchase one share of common stock at a price of $11.50 per share, subject to adjustment in the event of certain capital-raising transactions.

	/s/ Andreas Typaldos	10/21/2020
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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