Form 4 for PTGX Protagonist Therapeutics, Inc
Accepted 2026-06-01 18:31:22 ET · period of report 2026-05-29 · accession 0001104659-26-069047 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DT | 2026-06-01 18:31 | 2026-05-29 | PTGX | Waddill William D. | Dir | M - OptEx | $11.80 | +9,000 | 16.8K | +115% | +$106.2K |
| DT | 2026-06-01 18:31 | 2026-05-29 | PTGX | Waddill William D. | Dir | S - Sale+OE | $99.64 | -9,000 | 7,825 | -53% | -$896.8K |
| DT | 2026-06-01 18:31 | 2026-05-29 | PTGX | Waddill William D. | Dir | M - OptEx | $0.00 | -9,000 | 3,000 | -75% | $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 | 2026-05-29 | M | A | 9,000 | $11.80 | 16,825 | D | — | — | (F1) The transactions set forth on this Form 4 were effected pursuant to a 10b5-1 plan adopted by the reporting person on February 27, 2026. |
| 2 | Common | Common Stock | 2026-05-29 | S | D | 9,000 | $99.64 | 7,825 | D | — | — | |
| 3 | Derivative | Stock Option (right to buy) | 2026-05-29 | M | D | 9,000 | $0.00 | 3,000 | D | $11.80 · — to 2029-06-06 | 9,000 Common Stock | (F2) These stock options are fully vested. |