Form 8-K

8-K — REVELATION BIOSCIENCES, INC.

Accession: 0001193125-26-251784

Filed: 2026-06-01

Period: 2026-06-01

CIK: 0001810560

SIC: 2834 (PHARMACEUTICAL PREPARATIONS)

Item: Other Events

Item: Financial Statements and Exhibits

Documents

8-K — revb-20260601.htm (Primary)

EX-99.1 (revb-ex99_1.htm)

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8-K

8-K (Primary)

Filename: revb-20260601.htm · Sequence: 1

8-K

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): June 01, 2026

REVELATION BIOSCIENCES, INC.

(Exact name of Registrant as Specified in Its Charter)

Delaware

001-39603

84-3898466

(State or Other Jurisdiction

of Incorporation)

(Commission File Number)

(IRS Employer

Identification No.)

4660 La Jolla Village Drive

Suite 100

San Diego, California

92122

(Address of Principal Executive Offices)

(Zip Code)

Registrant’s Telephone Number, Including Area Code: (650) 800-3717

Not Applicable

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading

Symbol(s)

Name of each exchange on which registered

Common stock, par value $0.001 per share

REVB

The Nasdaq Stock Market LLC

Redeemable warrants, each exercisable for a 1/201,600th share of common stock at an exercise price of $2,318,400 per share

REVBW

The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 8.01 Other Information.

On June 1, 2026, Revelation Biosciences, Inc. (the “Company”) prepared and released an updated corporate presentation made available to the public. The corporate presentation can be found on the Company’s website. A copy of the presentation is attached to this Current Report on Form 8-K as Exhibit 99.1 and is incorporated herein by reference.

The information in this Item 8.01 and in Exhibit 99.1 is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, except as expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No.

Description

99.1

Corporate Presentation, dated June 1, 2026

104

Cover Page Interactive Data File (embedded with the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

REVELATION BIOSCIENCES, INC.

Date: June 1, 2026

By:

/s/ Chester S. Zygmont, III

Chester S. Zygmont, III

Chief Financial Officer

(principal financial and accounting officer)

EX-99.1

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EX-99.1

Exhibit 99.1

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