Form 4 for REVB REVELATION BIOSCIENCES, INC.
Accepted 2026-08-18 17:00:09 ET · period of report 2026-08-17 · accession 0001193125-26-355661 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-18 17:00 | 2026-08-17 | REVB | Zygmont Chester Stanley III | CFO | A - Grant | $0.00 | +208.1K | 208.1K | New | $0 | |
| 2026-08-18 17:00 | 2026-08-17 | REVB | Zygmont Chester Stanley III | CFO | G - Gift | $0.00 | -208.1K | 0 | -100% | $0 | |
| I | 2026-08-18 17:00 | 2026-08-17 | REVB | Zygmont Chester Stanley III | CFO | G - Gift | $0.00 | +208.1K | 300.1K | +226% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-08-17 | A | A | 208,073 | $0.00 | 208,073 | D | — | — | (F1) These shares are subject to a restricted stock award granted under the Revelation Biosciences, Inc. 2021 Equity Incentive Plan, with 50% of the shares vesting on the two-year anniversary of the grant date, and the remaining 50% of the shares vesting on the four-year anniversary of the grant date, provided that the Reporting Person remains continuously employed by or provides services to the Company or any subsidiary through the applicable vesting date; and provided, further that such vesting could be accelerated upon the achievement of certain performance milestones. |
| 2 | Common | Common Stock | 2026-08-17 | G | D | 208,073 | $0.00 | 0 | D | — | — | (F1) These shares are subject to a restricted stock award granted under the Revelation Biosciences, Inc. 2021 Equity Incentive Plan, with 50% of the shares vesting on the two-year anniversary of the grant date, and the remaining 50% of the shares vesting on the four-year anniversary of the grant date, provided that the Reporting Person remains continuously employed by or provides services to the Company or any subsidiary through the applicable vesting date; and provided, further that such vesting could be accelerated upon the achievement of certain performance milestones. |
| 3 | Common | Common Stock | 2026-08-17 | G | A | 208,073 | $0.00 | 300,136 | I by Trust | — | — | (F1) These shares are subject to a restricted stock award granted under the Revelation Biosciences, Inc. 2021 Equity Incentive Plan, with 50% of the shares vesting on the two-year anniversary of the grant date, and the remaining 50% of the shares vesting on the four-year anniversary of the grant date, provided that the Reporting Person remains continuously employed by or provides services to the Company or any subsidiary through the applicable vesting date; and provided, further that such vesting could be accelerated upon the achievement of certain performance milestones. (F2) Shares are held by The Zygmont Family Trust Dated October 25, 2016, with respect to which Chester S Zygmont III is a trustee. |