$ Value
$0
Shares
844,595
Price
$0
Filed
Mar 2
Insider
Name
Nally Michael
Title
Chief Executive Officer
CIK
0001763945
Roles
Transaction Details
Transaction Date
2026-02-26
Code
A
Table
Derivative
Ownership
Direct
Equity Swap
No
Shares After
844,595
Footnotes
Each share of Series A Preferred Stock automatically converted into shares of the Issuer's Common Stock on a one-for-1.5190 basis upon the closing of the Issuer's initial public offering on March 2, 2026. The Series A Preferred Stock had no expiration date. | The Reporting Person disclaims beneficial ownership of such shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of his pecuniary interest therein, if any. This report shall not be deemed an admission that he is a beneficial owner of such shares for the purpose of Section 16 of the Exchange Act, or for any other purpose. | The shares underlying this option shall vest in two equal installments on each of February 19, 2029 and February 19, 2030, subject to the Reporting Person's continued service on each such vesting date. | The shares underlying this option shall vest in forty-eight equal monthly installments following February 19, 2026, subject to the Reporting Person's continued service on each such vesting date.
Filing Info
Nally Michael's History
| Date | Ticker | Type | Value |
|---|---|---|---|
| 2026-04-16 | PPG | A | $0 |
| 2026-04-15 | PPG | M | $0 |
| 2026-04-15 | PPG | M | $199K |
| 2026-03-12 | PPG | A | $7K |
| 2026-03-04 | GENB | ▲ | $240K ★ |
| 2026-03-02 | GENB | C | — |
| 2026-03-02 | GENB | C | $0 |
| 2026-02-26 | GENB | A | $0 |
| 2026-02-26 | GENB | A | $0 |
| 2025-12-12 | PPG | A | $8K |
Other Insiders at GENB (90d)
| Insider | Bought | Sold | Last |
|---|---|---|---|
| AFEYAN NOUBAR | $150.0M | — | 2026-03-02 |
|
Nally Michael
Chief Executive Officer
|
$240K | — | 2026-03-04 |
|
Silvers Jason
President & CFO
|
$32K | — | 2026-03-02 |
| Mendillo Jane L | $24K | — | 2026-03-02 |
|
Grous Beth
Chief People Officer
|
$5K | — | 2026-03-02 |
| Fanucci Marsha | — | — | 2026-02-26 |
| Simonian Nancy A | — | — | 2026-02-26 |
| Bancel Stephane | — | — | 2026-03-02 |
|
Martin Sean
Chief Legal Officer & GC
|
— | — | 2026-02-26 |
| ARNOLD FRANCES | — | — | 2026-02-26 |
| Vessey Rupert | — | — | 2026-02-26 |
| Parker Paul Gray | — | — | 2026-02-26 |
|
Grigoryan Gevorg
Chief Technology Officer
|
— | — | 2026-02-26 |
|
Lee Laurie Anne
Chief Medical Officer
|
— | — | 2026-02-26 |