Form 4 for ETRA Electra Therapeutics, Inc.
Accepted 2026-09-21 18:20:09 ET · period of report 2026-09-21 · accession 0002153365-26-000004 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-09-21 18:20 | 2026-09-21 | ETRA | Koe Gary S. | Chief Technical Off | C - Cnv Deriv | — | +63.7K | 63.7K | New | — |
| D | 2026-09-21 18:20 | 2026-09-21 | ETRA | Koe Gary S. | Chief Technical Off | C - Cnv Deriv | — | -63.7K | 0 | -100% | — |
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 | 2026-09-21 | C | A | 63,656 | — | 63,656 | D | — | — | (F1) Each share of Series A Convertible Preferred Stock (the "Preferred Stock") converted automatically into 1 share of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock had no expiration date. |
| 2 | Derivative | Series A Convertible Preferred Stock | 2026-09-21 | C | D | 63,656 | — | 0 | D | — · — to — | 63,656 Common Stock | (F1) Each share of Series A Convertible Preferred Stock (the "Preferred Stock") converted automatically into 1 share of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock had no expiration date. (F1) Each share of Series A Convertible Preferred Stock (the "Preferred Stock") converted automatically into 1 share of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock had no expiration date. (F1) Each share of Series A Convertible Preferred Stock (the "Preferred Stock") converted automatically into 1 share of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock had no expiration date. (F1) Each share of Series A Convertible Preferred Stock (the "Preferred Stock") converted automatically into 1 share of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock had no expiration date. |