Form 4 for PTGX Protagonist Therapeutics, Inc
Accepted 2026-01-27 00:00:00 ET · period of report 2026-01-23 · accession 0001104659-26-007129 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2026-01-27 | 2026-01-23+ | PTGX | PATEL DINESH V PH D | Pres, CEO, Dir | S - Sale+OE | $84.18 | -48.3K | 574.5K | -8% | -$4.06M |
| DM | 2026-01-27 | 2026-01-23+ | PTGX | PATEL DINESH V PH D | Pres, CEO, Dir | M - OptEx | $10.79 | +48.3K | 578.6K | +9% | +$520.6K |
| D | 2026-01-27 | 2026-01-23 | PTGX | PATEL DINESH V PH D | Pres, CEO, Dir | G - Gift | $0.00 | -6,000 | 574.5K | -1% | $0 |
| DM | 2026-01-27 | 2026-01-23+ | PTGX | PATEL DINESH V PH D | Pres, CEO, Dir | M - OptEx | $0.00 | -48.3K | 0 | -100% | $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 | 2026-01-27 | S | D | 4,068 | $83.19 | 574,505 | D | — | — | (F5) The price reported represents the weighted average sale price per share. The shares were sold in multiple transactions at prices ranging from $83.06 to $83.59. Upon request by the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price. |
| 2 | Common | Common Stock | 2026-01-26 | M | A | 10,685 | $4.21 | 585,190 | D | — | — | |
| 3 | Common | Common Stock | 2026-01-26 | S | D | 10,685 | $84.00 | 574,505 | D | — | — | (F3) The price reported represents the weighted average sale price per share. The shares were sold in multiple transactions at prices ranging from $84 to $84.095. Upon request by the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price. |
| 4 | Common | Common Stock | 2026-01-26 | M | A | 14,205 | $21.58 | 588,710 | D | — | — | |
| 5 | Common | Common Stock | 2026-01-26 | S | D | 14,205 | $84.05 | 574,505 | D | — | — | (F4) The price reported represents the weighted average sale price per share. The shares were sold in multiple transactions at prices ranging from $84 to $84.075. Upon request by the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price. |
| 6 | Common | Common Stock | 2026-01-23 | G | D | 6,000 | $0.00 | 574,505 | D | — | — | |
| 7 | Common | Common Stock | 2026-01-23 | M | A | 19,315 | $4.21 | 593,820 | D | — | — | |
| 8 | Common | Common Stock | 2026-01-23 | S | D | 19,315 | $84.59 | 574,505 | D | — | — | (F2) The price reported represents the weighted average sale price per share. The shares were sold in multiple transactions at prices ranging from $84.41 to $84.64. Upon request by the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price. |
| 9 | Common | Common Stock | 2026-01-27 | M | A | 4,068 | $21.58 | 578,573 | D | — | — | |
| 10 | Derivative | Stock Option (right to buy) | 2026-01-23 | M | D | 19,315 | $0.00 | 10,685 | D | $4.21 · — to 2026-04-29 | 19,315 Common Stock | (F6) These stock options are fully vested and will expire on April 29, 2026. |
| 11 | Derivative | Stock Option (right to buy) | 2026-01-26 | M | D | 14,205 | $0.00 | 304,068 | D | $21.58 · — to 2026-10-11 | 14,205 Common Stock | (F7) These stock options are fully vested and will expire on October 11, 2026. |
| 12 | Derivative | Stock Option (right to buy) | 2026-01-27 | M | D | 4,068 | $0.00 | 300,000 | D | $21.58 · — to 2026-10-11 | 4,068 Common Stock | (F7) These stock options are fully vested and will expire on October 11, 2026. |
| 13 | Derivative | Stock Option (right to buy) | 2026-01-26 | M | D | 10,685 | $0.00 | 0 | D | $4.21 · — to 2026-04-29 | 10,685 Common Stock | (F6) These stock options are fully vested and will expire on April 29, 2026. |