REVBNasdaqPharmaceutical PreparationsFiscal year ends December 31Also trades as REVBW
REVELATION BIOSCIENCES, INC.
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 6, 2026
$3.29+2.80 (+577.76%)
Close on Oct 19, 2026
- Market cap
- $12.58M
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
0M
Shares held, 13F filers
Institutional holders
11
3 new, 3 sold out
Net institutional buying
-0M
In Q2 2026
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Sabby Management, LLC | 605,702 | 9.60% | 13G (passive) | Dec 31, 2025 |
| Armistice Capital, LLC | 323,241 | 7.80% | 13G (passive) | Mar 31, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of REVB | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Sabby Management, LLC | 210,582 | – | $216.90K | +111,150 | 0.20% |
| Citadel Advisors LLC | 38,579 | – | $39.74K | New | 0.00% |
| Geode Capital Management, LLC | 17,192 | – | $17.71K | −26,003 | 0.00% |
| Hrt Financial LP | 16,978 | – | $17 | New | 0.00% |
| Vanguard Fiduciary Trust Co | 13,127 | – | $13.52K | – | 0.00% |
| Tower Research Capital LLC (TRC) | 6,528 | – | $6.72K | +2,454 | 0.00% |
| Royal Bank of Canada | 747 | – | $1.00K | – | 0.00% |
| SBI Securities Co., Ltd. | 344 | – | $354 | – | 0.00% |
| Barclays PLC | 168 | – | $173 | New | 0.00% |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 9 | – | $9 | – | 0.00% |
| Caitong International Asset Management Co., Ltd | 1 | – | $1 | – | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|
| Q2 2026 | 11 | 0M | 3 / 2 | 1 / 3 | 0M | 0M |
| Q1 2026 | 11 | 0M | 10 / 0 | 1 / 0 | 0M | 0M |
| Q4 2025 | 1 | 0M | 1 / 0 | 0 / 0 | 0M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of REVB | Value | % of fund | As of |
|---|---|---|---|---|---|
| Fidelity Extended Market Index Fund | 42,373 | – | $46.61K | 0.00% | May 31, 2026 |
| Blackstone Alternative Multi-Strategy Fund | 50 | – | $52 | 0.00% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | Latest filing |
|---|---|---|---|
| James Rolke | Chief Executive Officer, Director | 424,958 | Aug 18, 2026 |
| Chester Stanley Zygmont III | Chief Financial Officer | 508,211 | Aug 18, 2026 |
| Lakhmir S. Chawla | Director | 44,169 | Aug 18, 2026 |
| Jennifer Carver | Director | 44,769 | Aug 18, 2026 |
| Jess Roper | Director | 44,839 | Aug 18, 2026 |
| George F. Tidmarsh | Director | 268 | Feb 13, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| James Rolke Chief Executive Officer, Director | Aug 17, 2026 | Award | +208,076 | – | – | 422,814 |
| Jess Roper Director | Aug 17, 2026 | Award | +32,011 | – | – | 44,839 |
| Chester Stanley Zygmont III Chief Financial Officer | Aug 17, 2026 | Award | +208,073 | – | – | 208,073 |
| Chester Stanley Zygmont III Chief Financial Officer | Aug 17, 2026 | Gift | +208,073 | – | – | 300,136 |
| Chester Stanley Zygmont III Chief Financial Officer | Aug 17, 2026 | Gift | −208,073 | – | – | 0 |
| Jennifer Carver Director | Aug 17, 2026 | Award | +32,011 | – | – | 44,769 |
| Lakhmir S. Chawla Director | Aug 17, 2026 | Award | +32,011 | – | – | 44,169 |
| Chester Stanley Zygmont III Chief Financial Officer | Apr 30, 2026 | Tax withholding | −13,285 | $1.10 | $14.61K | 92,063 |
| James Rolke Chief Executive Officer, Director | Apr 30, 2026 | Tax withholding | −10,115 | $1.13 | $11.43K | 214,738 |
| Chester Stanley Zygmont III Chief Financial Officer | Feb 4, 2026 | Tax withholding | −13,100 | $1.65 | $21.62K | 105,348 |
| Jess Roper Director | Feb 3, 2026 | Tax withholding | −1,591 | $1.85 | $2.94K | 12,828 |
| Lakhmir S. Chawla Director | Feb 3, 2026 | Tax withholding | −2,261 | $1.85 | $4.18K | 12,158 |
| Jennifer Carver Director | Feb 3, 2026 | Tax withholding | −1,661 | $1.87 | $3.11K | 12,758 |
| James Rolke Chief Executive Officer, Director | Feb 3, 2026 | Tax withholding | −8,521 | $1.86 | $15.85K | 224,853 |
| Jennifer Carver Director | Jan 8, 2026 | Award | +41,981 | $0.90 | $37.78K | 57,669 |
| Lakhmir S. Chawla Director | Jan 8, 2026 | Award | +41,981 | $0.90 | $37.78K | 57,667 |
| James Rolke Chief Executive Officer, Director | Jan 8, 2026 | Award | +532,829 | $0.90 | $479.55K | 933,489 |
| Chester Stanley Zygmont III Chief Financial Officer | Jan 8, 2026 | Award | +78,145 | $0.90 | $70.33K | 473,790 |
| Jess Roper Director | Jan 8, 2026 | Award | +41,981 | $0.90 | $37.78K | 57,667 |
| James Rolke Chief Executive Officer, Director | Oct 29, 2025 | Award | +390,614 | $1.28 | $499.99K | 400,660 |
| Chester Stanley Zygmont III Chief Financial Officer | Oct 29, 2025 | Award | +390,614 | $1.28 | $499.99K | 395,645 |
| Jennifer Carver Director | Oct 29, 2025 | Award | +15,625 | $1.28 | $20.00K | 15,688 |
| Jess Roper Director | Oct 29, 2025 | Award | +15,625 | $1.28 | $20.00K | 15,686 |
| Lakhmir S. Chawla Director | Oct 29, 2025 | Award | +15,625 | $1.28 | $20.00K | 15,686 |
| Jennifer Carver Director | Feb 11, 2025 | Award | +181 | $3.87 | $700 | 187 |
| James Rolke Chief Executive Officer, Director | Feb 11, 2025 | Award | +30,095 | $3.87 | $116.47K | 30,137 |
| Chester Stanley Zygmont III Chief Financial Officer | Feb 11, 2025 | Award | +15,048 | $3.87 | $58.24K | 15,076 |
| Jess Roper Director | Feb 11, 2025 | Award | +181 | $3.87 | $700 | 183 |
| Lakhmir S. Chawla Director | Feb 11, 2025 | Award | +181 | $3.87 | $700 | 181 |
| George F. Tidmarsh Director | Feb 11, 2025 | Award | +181 | $3.87 | $700 | 268 |
| George F. Tidmarsh Director | Dec 8, 2023 | Sale | −27,771 | $0.52 | $14.44K | 0 |
| George F. Tidmarsh Director | Oct 16, 2023 | Sale | −1,845 | $0.65 | $1.20K | 27,771 |
| George F. Tidmarsh Director | Oct 16, 2023 | Sale | −10,957 | $0.66 | $7.23K | 42,096 |
| George F. Tidmarsh Director | Sep 28, 2023 | Sale | −1,429 | $0.69 | $986 | 42,096 |
| George F. Tidmarsh Director | Sep 18, 2023 | Sale | −4,000 | $0.74 | $2.96K | 39,348 |
| George F. Tidmarsh Director | Sep 15, 2023 | Sale | −9,500 | $0.73 | $6.94K | 43,348 |
| George F. Tidmarsh Director | Sep 14, 2023 | Sale | −12,000 | $0.75 | $9.00K | 52,848 |
| George F. Tidmarsh Director | Apr 18, 2023 | Buy | +25,000 | $1.16 | $29.00K | 64,848 |
| George F. Tidmarsh Director | Apr 17, 2023 | Buy | +26,500 | $1.16 | $30.74K | 39,848 |
| George F. Tidmarsh Director, 10% owner | Feb 25, 2022 | Buy | +20,000 | $1.60 | $32.00K | 467,156 |
| George F. Tidmarsh Director, 10% owner | Feb 9, 2022 | Buy | +30,000 | $2.55 | $76.50K | 447,156 |
| George F. Tidmarsh Director, 10% owner | Feb 8, 2022 | Buy | +1,000 | $2.54 | $2.54K | 417,156 |
| George F. Tidmarsh Director, 10% owner | Feb 7, 2022 | Buy | +42,100 | $2.61 | $109.88K | 1,523,335 |
| George F. Tidmarsh Director, 10% owner | Feb 7, 2022 | Buy | +42,100 | $2.61 | $109.88K | 1,523,335 |
| George F. Tidmarsh Director, 10% owner | Feb 4, 2022 | Buy | +7,900 | $2.31 | $18.25K | 1,481,235 |
| George F. Tidmarsh Director, 10% owner | Feb 4, 2022 | Buy | +2,000 | $2.45 | $4.90K | 416,156 |
| George F. Tidmarsh Director, 10% owner | Feb 4, 2022 | Buy | +7,900 | $2.31 | $18.25K | 1,481,235 |
| IM Prime Impact Master Fund I. SCA SICAV-RAIF AXA – | Jan 10, 2022 | Other | +1,958,984 | – | – | 1,958,984 |
| Lawrence Feis 10% owner | Jan 10, 2022 | Other | −731,950 | $10.20 | $7.47M | 0 |
| Glazer Capital, Llc 10% owner | Sep 23, 2021 | Sale | −611,541 | $10.08 | $6.16M | 381,106 |
| Glazer Capital, Llc 10% owner | Sep 22, 2021 | Sale | −5 | $10.08 | $50 | 992,647 |
| Glazer Capital, Llc 10% owner | Sep 21, 2021 | Sale | −43,000 | $10.08 | $433.44K | 992,652 |
| Andreas Typaldos Chief Executive Officer, Director, 10% owner | Dec 30, 2020 | Other | −192,962 | – | – | 1,769,538 |
| Sean H. Fitzpatrick Chief Executive Officer, Director, 10% owner | Dec 30, 2020 | Other | −192,962 | – | – | 1,769,538 |
| Glazer Capital, Llc 10% owner | Nov 9, 2020 | Sale | −5,000 | $10.00 | $50.00K | 1,035,652 |
| Glazer Capital, Llc 10% owner | Oct 12, 2020 | Sale | −20 | $10.00 | $200 | 1,040,652 |
| Glazer Capital, Llc 10% owner | Oct 9, 2020 | Sale | −9,328 | $10.00 | $93.28K | 1,040,672 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| F. Tidmarsh & Courtney Moulds Co-Ttee The Tidmarsh Living Trust U/A Dtd 09/26/2016 George Director | Sep 28, 2023 | 1,429 | $986 | Sep 28, 2023 | Open Market Purchase |