Protagonist Therapeutics, Inc (PTGX)
Protagonist Therapeutics, Inc (PTGX) Insider Trading
Directors, officers and holders of more than 10% of PTGX report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 219 transactions on file: 0 with code P, 16 with code S and 34 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 30, 2026 | Ali Asif | Chief Financial Officer | M Exercise | 9,229 | Not measured | Not measured |
| Sep 30, 2026 | Ali Asif | Chief Financial Officer | S Sale | 46,034 | $141.78 | $6,526,701 |
| Sep 30, 2026 | Ali Asif | Chief Financial Officer | M Exercise | 5,312 | $12.17 | $64,647 |
| Sep 30, 2026 | Ali Asif | Chief Financial Officer | M Exercise | 15,650 | $19.19 | $300,324 |
| Sep 30, 2026 | Ali Asif | Chief Financial Officer | M Exercise | 5,312 | Not measured | Not measured |
| Sep 30, 2026 | Ali Asif | Chief Financial Officer | M Exercise | 9,229 | $38.98 | $359,746 |
| Sep 30, 2026 | Ali Asif | Chief Financial Officer | S Sale | 12,595 | $141.77 | $1,785,593 |
| Sep 30, 2026 | Ali Asif | Chief Financial Officer | M Exercise | 15,650 | Not measured | Not measured |
| Sep 30, 2026 | Ali Asif | Chief Financial Officer | M Exercise | 28,438 | Not measured | Not measured |
| Sep 30, 2026 | Ali Asif | Chief Financial Officer | M Exercise | 28,438 | $23.42 | $666,018 |
| Sep 10, 2026 | PATEL DINESH V PH D | President and CEO | S Sale | 7,278 | $144.10 | $1,048,760 |
| Sep 10, 2026 | PATEL DINESH V PH D | President and CEO | M Exercise | 7,278 | $21.58 | $157,059 |
| Sep 10, 2026 | PATEL DINESH V PH D | President and CEO | M Exercise | 7,278 | Not measured | Not measured |
| Sep 9, 2026 | PATEL DINESH V PH D | President and CEO | M Exercise | 63,548 | $21.58 | $1,371,366 |
| Sep 9, 2026 | PATEL DINESH V PH D | President and CEO | S Sale | 63,548 | $146.18 | $9,289,447 |
| Sep 9, 2026 | PATEL DINESH V PH D | President and CEO | M Exercise | 63,548 | Not measured | Not measured |
| Sep 8, 2026 | PATEL DINESH V PH D | President and CEO | M Exercise | 54,174 | $21.58 | $1,169,075 |
| Sep 8, 2026 | PATEL DINESH V PH D | President and CEO | M Exercise | 54,174 | Not measured | Not measured |
| Sep 8, 2026 | PATEL DINESH V PH D | President and CEO | S Sale | 54,174 | $145.87 | $7,902,361 |
| Sep 3, 2026 | PATEL DINESH V PH D | President and CEO | G Gift | 510 | Not measured | Not measured |
| Aug 11, 2026 | PATEL DINESH V PH D | President and CEO | M Exercise | 34,239 | Not measured | Not measured |
| Aug 11, 2026 | PATEL DINESH V PH D | President and CEO | M Exercise | 34,239 | $21.58 | $738,878 |
| Aug 11, 2026 | PATEL DINESH V PH D | President and CEO | S Sale | 34,239 | $148.52 | $5,085,176 |
| Aug 10, 2026 | PATEL DINESH V PH D | President and CEO | S Sale | 65,761 | $149.11 | $9,805,623 |
| Aug 10, 2026 | PATEL DINESH V PH D | President and CEO | M Exercise | 65,761 | Not measured | Not measured |
| Aug 10, 2026 | PATEL DINESH V PH D | President and CEO | M Exercise | 65,761 | $21.58 | $1,419,122 |
| Jun 23, 2026 | Waddill William D. | Director | S Sale | 9,000 | $117.94 | $1,061,460 |
| Jun 23, 2026 | Waddill William D. | Director | M Exercise | 9,000 | Not measured | Not measured |
| Jun 23, 2026 | Waddill William D. | Director | M Exercise | 9,000 | $16.54 | $148,860 |
| Jun 10, 2026 | Waddill William D. | Director | S Sale | 9,000 | $107.68 | $969,120 |
| Jun 10, 2026 | Waddill William D. | Director | M Exercise | 3,000 | $11.80 | $35,400 |
| Jun 10, 2026 | Waddill William D. | Director | M Exercise | 6,000 | Not measured | Not measured |
| Jun 10, 2026 | Waddill William D. | Director | M Exercise | 3,000 | Not measured | Not measured |
| Jun 10, 2026 | Waddill William D. | Director | M Exercise | 6,000 | $16.54 | $99,240 |
| May 29, 2026 | Waddill William D. | Director | M Exercise | 9,000 | $11.80 | $106,200 |
| May 29, 2026 | Waddill William D. | Director | S Sale | 9,000 | $99.64 | $896,760 |
| May 29, 2026 | Waddill William D. | Director | M Exercise | 9,000 | Not measured | Not measured |
| May 12, 2026 | PATEL DINESH V PH D | President and CEO | M Exercise | 75,000 | $21.58 | $1,618,500 |
| May 12, 2026 | PATEL DINESH V PH D | President and CEO | S Sale | 75,000 | $100.12 | $7,509,000 |
| May 12, 2026 | PATEL DINESH V PH D | President and CEO | M Exercise | 75,000 | Not measured | Not measured |
| May 8, 2026 | Giraudo Bryan | Director | S Sale | 6,000 | $100.00 | $600,000 |
| May 8, 2026 | Giraudo Bryan | Director | S Sale | 5,130 | $100.00 | $513,000 |
| May 7, 2026 | Giraudo Bryan | Director | M Exercise | 24,000 | $6.45 | $154,800 |
| May 7, 2026 | Giraudo Bryan | Director | S Sale | 12,000 | $100.07 | $1,200,840 |
| May 7, 2026 | Giraudo Bryan | Director | S Sale | 36,000 | $100.14 | $3,605,040 |
| May 7, 2026 | Giraudo Bryan | Director | M Exercise | 24,000 | Not measured | Not measured |
| May 7, 2026 | Giraudo Bryan | Director | M Exercise | 12,000 | $6.98 | $83,760 |
| May 7, 2026 | Giraudo Bryan | Director | M Exercise | 12,000 | Not measured | Not measured |
| Apr 23, 2026 | PATEL DINESH V PH D | President and CEO | G Gift | 1,460 | Not measured | Not measured |
| Apr 20, 2026 | Ali Asif | Chief Financial Officer | S Sale | 1,750 | $105.47 | $184,573 |
The full Form 4 history is on the PTGX company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.