Insider · CIK 0001699610
Howard Mayer
Files at: PEPG, GNCA. On EDGAR ↗
Reported trades — common stock
No reported common-stock activity in this period.
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 18, 2026 AForm 4 → | Jun 22, 4:10 pm EDT | PepGen Inc.PEPG | 34,000 | — | — | 34,000 | — | |
| Jun 21, 2018 AForm 4 → | Jun 25, 8:08 pm EDT | GENOCEA BIOSCIENCES, INC.GNCA | 45,000 | — | — | 45,000 | — | |
| Mar 6, 2017 AForm 4 → | Mar 7, 4:01 pm EST | GENOCEA BIOSCIENCES, INC.GNCA | 25,000 | — | — | 25,000 | — |