Chester S. Zygmont III - 08 Jan 2026 Form 4 Insider Report for REVELATION BIOSCIENCES, INC. (REVB)

Role: Chief Financial Officer
Signature: /s/ J.P. Galda, as attorney-in-fact for Chester S Zygmont III
Issuer symbol: REVB
Transactions as of: 08 Jan 2026
Net transactions value: +$70,330
Form type: 4
Filing time: 12 Jan 2026, 17:17:29 UTC
Previous filing: 31 Oct 2025
Next filing: 05 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Zygmont Chester Stanley III	Chief Financial Officer	C/O REVELATION BIOSCIENCES, INC., 4660 LA JOLLA VILLAGE DR., SUITE 100, SAN DIEGO	/s/ J.P. Galda, as attorney-in-fact for Chester S Zygmont III	08 Jan 2026	0001900657

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	REVB	Common Stock	Award	$70,330	+78,145	+20%	$0.9000	473,790	08 Jan 2026	By Trust	F1, F2
holding	REVB	Common Stock						395,640	08 Jan 2026	By Trust	F2
holding	REVB	Common Stock						5	08 Jan 2026	By LLC	F3

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

Explanation of Responses:

Id	Content
F1	Restricted Stock Units under the 2021 Equity Incentive Plan. Vests quarterly over two years from the date of grant.
F2	Shares are held by The Zygmont Family Trust Dated October 25, 2016, with respect to which Chester S Zygmont III is a trustee.
F3	Shares are held by Czeslaw Capital Fund, LLC. Chester S Zygmont III is the sole manager of Czeslaw Capital Fund, LLC.