Revelation Biosciences Inc.

Last updated September 27, 2026

Organization details

Legal name
Revelation Biosciences Inc.
Former names
Petra Acquisition Inc.
Ownership
Public
Status
Active
SIC code
2834 — Pharmaceutical Preparations
Jurisdiction of incorporation
Delaware
Headquarters city
SAN Diego
Headquarters state / province
California
Headquarters country
United States
Fiscal year end
December
Ticker symbol
REVB
Primary stock exchange
Nasdaq

Identifiers

SEC CIK
0001810560
EIN
84-3898466

Board of directors

Chief executives

James Rolke · Chief Executive Officer
Dates unknown

Director election results

Annual meeting of June 23, 2025. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months
$0
0 purchases by 0 insiders
Sold, last 12 months
$0
0 sales by 0 insiders
Date Insider Transaction Shares Price Value
Aug 17, 2026 Jennifer Carver Director Grant or award +32,011 — —
Aug 17, 2026 Lakhmir S. Chawla Director Grant or award +32,011 — —
Aug 17, 2026 Jess Roper Director Grant or award +32,011 — —
Aug 17, 2026 Zygmont Chester Stanley III Officer (Chief Financial Officer) Grant or award +208,073 — —
Aug 17, 2026 James Rolke Director, Officer (Chief Executive Officer) Grant or award +208,076 — —
Aug 17, 2026 Zygmont Chester Stanley III Officer (Chief Financial Officer) Gift −208,073 — —
Aug 17, 2026 Zygmont Chester Stanley III Officer (Chief Financial Officer) Gift +208,073 — —
Apr 30, 2026 James Rolke Director, Officer (Chief Executive Officer) Shares withheld for tax −10,115 $1.13 $11,430
Apr 30, 2026 Zygmont Chester Stanley III Officer (Chief Financial Officer) Shares withheld for tax −13,285 $1.10 $14,614
Feb 4, 2026 Zygmont Chester Stanley III Officer (Chief Financial Officer) Shares withheld for tax −13,100 $1.65 $21,615
Feb 3, 2026 Jess Roper Director Shares withheld for tax −1,591 $1.85 $2,943
Feb 3, 2026 Lakhmir S. Chawla Director Shares withheld for tax −2,261 $1.85 $4,183
Feb 3, 2026 Jennifer Carver Director Shares withheld for tax −1,661 $1.87 $3,106
Feb 3, 2026 James Rolke Director, Officer (Chief Executive Officer) Shares withheld for tax −8,521 $1.86 $15,849
Jan 8, 2026 James Rolke Director, Officer (Chief Executive Officer) Grant or award +532,829 $0.90 $479,546

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