Nasdaq · CIK 0001377121
PTGX Protagonist Therapeutics, Inc
Insider trading from SEC Form 4. Last filing 10 d ago. Close $143.73 on Oct 9, 2026, +114% from the 52-week low and -9% from the high.
Last 90 days
Net insider value
-$27M
more sold than bought
Buys
0
$0 by 0 insiders
Sells
2
$27M by 2 insiders
Insiders on file
7
with a Form 4 at this company
Price and insider trades, last year
PTGXOct 9, 2026 · close 143.73
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at Protagonist Therapeutics, Inc, scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 22Weak | Asif Ali Chief Financial Officer sell | $8.3M 58,629 shares | -50% | +120% from low-11% from high | |
| 20Weak | Dinesh Ph D Patel V President and CEO sell | $18M 125,000 shares | -22% | - | |
| 42Moderate | Asif Ali Chief Financial Officer sell | $2.6M 24,765 shares | -29% | +150% from low-2% from high | |
| 42Moderate | Asif Ali Chief Financial Officer sell | $3.8M 46,203 shares | -43% | +137% from low-13% from high | |
| 43Moderate | Asif Ali Chief Financial Officer sell | $708k 8,588 shares | -10% | +138% from low-13% from high | |
| 28Weak | Arturo Molina Md Chief Medical Officer sell | $230k 2,712 shares | -3% | +142% from low-3% from high | |
| 25Weak | William D. Waddill director sell | $979k 12,000 shares | -70% | +148% from low0% from high | |
| 18Weak | William D. Waddill director sell | $257k 4,000 shares | -44% | +84% from low0% from high | |
| 18Weak | William D. Waddill director sell | $237k 4,000 shares | -30% | +75% from low0% from high | |
| 44Moderate | Dinesh Ph D Patel V President and CEO sell | $571k 10,415 shares | -2% | +57% from low-8% from high | |
| 50Moderate | Dinesh Ph D Patel V President and CEO sell | $2.9M 52,444 shares | -9% | +57% from low-8% from high | |
| 30Weak | Arturo Molina Md Chief Medical Officer sell | $1.1M 20,000 shares | -21% | +59% from low-7% from high | |
| 31Weak | Asif Ali Chief Financial Officer sell | $81k 1,756 shares | -3% | +31% from low-23% from high | |
| 42Moderate | Asif Ali Chief Financial Officer sell | $1.5M 24,903 shares | -28% | - | |
| 50Moderate | Suneel Gupta Chief Development Officer sell | $5.6M 122,628 shares | -34% | - | |
| 60Notable | Arturo Molina Md Chief Medical Officer sell | $1.4M 31,529 shares | -61% | - | |
| 55Moderate | Dinesh Ph D Patel V President and CEO sell | $4.7M 100,000 shares | -19% | - | |
| 39Weak | Arturo Molina Md Chief Medical Officer sell | $78k 1,906 shares | -4% | - |
Transactions
The last 99 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 30, 2026 | Asif Ali Chief Financial Officer | MOption exercise Common Stock10b5-1 | +9,229 | $38.98 | $360k | 68,232 | 10 d ago |
| Sep 30, 2026 | Asif Ali Chief Financial Officer | MOption exercise Common Stock10b5-1 | +28,438 | $23.42 | $666k | 96,670 | 10 d ago |
| Sep 30, 2026 | Asif Ali Chief Financial Officer | MOption exercise Common Stock10b5-1 | +15,650 | $19.19 | $300k | 112,320 | 10 d ago |
| Sep 30, 2026 | Asif Ali Chief Financial Officer | MOption exercise Common Stock10b5-1 | +5,312 | $12.17 | $65k | 117,632 | 10 d ago |
| Sep 30, 2026 | Asif Ali Chief Financial Officer | SOpen-market sale Common Stock10b5-1 | -12,595 | $141.77 | $1.8M | 105,037 | 10 d ago |
| Sep 30, 2026 | Asif Ali Chief Financial Officer | SOpen-market sale Common Stock10b5-1 | -46,034 | $141.78 | $6.5M | 59,003 | 10 d ago |
| Sep 30, 2026 | Asif Ali Chief Financial Officer | MOption exercise Stock Option (right to buy)derivative10b5-1 | -9,229 | $0.00 | $0 | 29,291 | 10 d ago |
| Sep 30, 2026 | Asif Ali Chief Financial Officer | MOption exercise Stock Option (right to buy)derivative10b5-1 | -28,438 | $0.00 | $0 | 49,562 | 10 d ago |
| Sep 30, 2026 | Asif Ali Chief Financial Officer | MOption exercise Stock Option (right to buy)derivative10b5-1 | -15,650 | $0.00 | $0 | 51,150 | 10 d ago |
| Sep 30, 2026 | Asif Ali Chief Financial Officer | MOption exercise Stock Option (right to buy)derivative10b5-1 | -5,312 | $0.00 | $0 | 25,235 | 10 d ago |
| Sep 8, 2026 | Dinesh Ph D Patel V President and CEO | MOption exercise Common Stock10b5-1 | +54,174 | $21.58 | $1.2M | 577,142 | 32 d ago |
| Sep 8, 2026 | Dinesh Ph D Patel V President and CEO | SOpen-market sale Common Stock10b5-1 | -54,174 | $145.87 | $7.9M | 522,968 | 32 d ago |
| Sep 9, 2026 | Dinesh Ph D Patel V President and CEO | MOption exercise Common Stock10b5-1 | +63,548 | $21.58 | $1.4M | 586,516 | 32 d ago |
| Sep 9, 2026 | Dinesh Ph D Patel V President and CEO | SOpen-market sale Common Stock10b5-1 | -63,548 | $146.18 | $9.3M | 522,968 | 32 d ago |
| Sep 10, 2026 | Dinesh Ph D Patel V President and CEO | MOption exercise Common Stock10b5-1 | +7,278 | $21.58 | $157k | 530,246 | 32 d ago |
| Sep 10, 2026 | Dinesh Ph D Patel V President and CEO | SOpen-market sale Common Stock10b5-1 | -7,278 | $144.10 | $1.0M | 522,968 | 32 d ago |
| Sep 8, 2026 | Dinesh Ph D Patel V President and CEO | MOption exercise Stock Option (right to buy)derivative10b5-1 | -54,174 | $0.00 | $0 | 70,826 | 32 d ago |
| Sep 9, 2026 | Dinesh Ph D Patel V President and CEO | MOption exercise Stock Option (right to buy)derivative10b5-1 | -63,548 | $0.00 | $0 | 7,278 | 32 d ago |
| Sep 10, 2026 | Dinesh Ph D Patel V President and CEO | MOption exercise Stock Option (right to buy)derivative10b5-1 | -7,278 | $0.00 | $0 | 0 | 32 d ago |
| Sep 3, 2026 | Dinesh Ph D Patel V President and CEO | GGift Common Stock | -510 | $0.00 | $0 | 522,968 | 34 d ago |
| Mar 26, 2026 | Asif Ali Chief Financial Officer | MOption exercise Common Stock | +19,500 | $19.19 | $374k | 80,253 | Mar 27, 2026 |
| Mar 26, 2026 | Asif Ali Chief Financial Officer | MOption exercise Common Stock | +5,265 | $12.17 | $64k | 85,518 | Mar 27, 2026 |
| Mar 26, 2026 | Asif Ali Chief Financial Officer | SOpen-market sale Common Stock | -24,765 | $104.24 | $2.6M | 60,753 | Mar 27, 2026 |
| Mar 26, 2026 | Asif Ali Chief Financial Officer | MOption exercise Stock Option (right to buy)derivative | -19,500 | $0.00 | $0 | 31,300 | Mar 27, 2026 |
| Mar 26, 2026 | Asif Ali Chief Financial Officer | MOption exercise Stock Option (right to buy)derivative | -5,265 | $0.00 | $0 | 13,282 | Mar 27, 2026 |
| Jan 27, 2026 | Asif Ali Chief Financial Officer | MOption exercise Common Stock | +16,000 | $19.19 | $307k | 94,523 | Jan 27, 2026 |
| Jan 27, 2026 | Asif Ali Chief Financial Officer | MOption exercise Common Stock | +12,000 | $12.17 | $146k | 106,523 | Jan 27, 2026 |
| Jan 27, 2026 | Asif Ali Chief Financial Officer | SOpen-market sale Common Stock | -28,000 | $83.13 | $2.3M | 78,523 | Jan 27, 2026 |
| Jan 27, 2026 | Asif Ali Chief Financial Officer | SOpen-market sale Common Stock | -18,203 | $83.14 | $1.5M | 60,320 | Jan 27, 2026 |
| Jan 27, 2026 | Asif Ali Chief Financial Officer | MOption exercise Stock Option (right to buy)derivative | -16,000 | $0.00 | $0 | 50,800 | Jan 27, 2026 |
| Jan 27, 2026 | Asif Ali Chief Financial Officer | MOption exercise Stock Option (right to buy)derivative | -12,000 | $0.00 | $0 | 18,547 | Jan 27, 2026 |
| Jan 20, 2026 | Asif Ali Chief Financial Officer | SOpen-market sale Common Stock | -8,588 | $82.48 | $708k | 78,077 | Jan 21, 2026 |
| Jan 2, 2026 | Asif Ali Chief Financial Officer | AGrant or award Common Stock | +25,600 | $0.00 | $0 | 86,665 | Jan 6, 2026 |
| Jan 2, 2026 | Asif Ali Chief Financial Officer | AGrant or award Stock Option (right to buy)derivative | +32,000 | $0.00 | $0 | 32,000 | Jan 6, 2026 |
| Nov 21, 2025 | Dinesh Ph D Patel V President and CEO | GGift Common Stock | -440 | $0.00 | $0 | 519,543 | Nov 24, 2025 |
| Nov 17, 2025 | Arturo Molina Md Chief Medical Officer | SOpen-market sale Common Stock | -2,712 | $84.77 | $230k | 81,180 | Nov 19, 2025 |
| Oct 10, 2025 | William D. Waddill director | MOption exercise Common Stock10b5-1 | +12,000 | $6.98 | $84k | 17,130 | Oct 14, 2025 |
| Oct 10, 2025 | William D. Waddill director | SOpen-market sale Common Stock10b5-1 | -4,000 | $69.25 | $277k | 13,130 | Oct 14, 2025 |
| Oct 10, 2025 | William D. Waddill director | SOpen-market sale Common Stock10b5-1 | -8,000 | $87.81 | $702k | 5,130 | Oct 14, 2025 |
| Oct 10, 2025 | William D. Waddill director | MOption exercise Stock Option (right to buy)derivative10b5-1 | -12,000 | $0.00 | $0 | 0 | Oct 14, 2025 |
| Sep 22, 2025 | William D. Waddill director | SOpen-market sale Common Stock10b5-1 | -4,000 | $64.25 | $257k | 5,130 | Sep 24, 2025 |
| Sep 16, 2025 | Dinesh Ph D Patel V President and CEO | GGift Common Stock | -620 | $0.00 | $0 | 519,983 | Sep 18, 2025 |
| Aug 27, 2025 | William D. Waddill director | SOpen-market sale Common Stock10b5-1 | -4,000 | $59.25 | $237k | 9,130 | Aug 29, 2025 |
| Jul 25, 2025 | Dinesh Ph D Patel V President and CEO | SOpen-market sale Common Stock | -10,415 | $54.78 | $571k | 520,603 | Jul 28, 2025 |
| Jul 21, 2025 | Dinesh Ph D Patel V President and CEO | AGrant or award Common Stock | +25,000 | $0.00 | $0 | 583,462 | Jul 23, 2025 |
| Jul 21, 2025 | Dinesh Ph D Patel V President and CEO | SOpen-market sale Common Stock | -12,859 | $54.86 | $705k | 570,603 | Jul 23, 2025 |
| Jul 22, 2025 | Dinesh Ph D Patel V President and CEO | SOpen-market sale Common Stock | -22,065 | $55.05 | $1.2M | 548,538 | Jul 23, 2025 |
| Jul 23, 2025 | Dinesh Ph D Patel V President and CEO | SOpen-market sale Common Stock | -17,520 | $54.79 | $960k | 531,018 | Jul 23, 2025 |
| Jul 16, 2025 | Dinesh Ph D Patel V President and CEO | GGift Common Stock | -5,000 | $0.00 | $0 | 558,462 | Jul 18, 2025 |
| Jun 13, 2025 | Dinesh Ph D Patel V President and CEO | GGift Common Stock | -670 | $0.00 | $0 | 563,590 | Jun 17, 2025 |
| Jun 16, 2025 | Dinesh Ph D Patel V President and CEO | GGift Common Stock | -685 | $0.00 | $0 | 562,905 | Jun 17, 2025 |
| Jun 9, 2025 | Arturo Molina Md Chief Medical Officer | MOption exercise Common Stock | +10,000 | $8.04 | $80k | 93,892 | Jun 11, 2025 |
| Jun 9, 2025 | Arturo Molina Md Chief Medical Officer | SOpen-market sale Common Stock | -10,000 | $55.51 | $555k | 83,892 | Jun 11, 2025 |
| Jun 10, 2025 | Arturo Molina Md Chief Medical Officer | MOption exercise Common Stock | +10,000 | $8.04 | $80k | 93,892 | Jun 11, 2025 |
| Jun 10, 2025 | Arturo Molina Md Chief Medical Officer | SOpen-market sale Common Stock | -10,000 | $57.03 | $570k | 83,892 | Jun 11, 2025 |
| Jun 9, 2025 | Arturo Molina Md Chief Medical Officer | MOption exercise Stock Option (right to buy)derivative | -10,000 | $0.00 | $0 | 85,971 | Jun 11, 2025 |
| Jun 10, 2025 | Arturo Molina Md Chief Medical Officer | MOption exercise Stock Option (right to buy)derivative | -10,000 | $0.00 | $0 | 75,971 | Jun 11, 2025 |
| Apr 28, 2025 | Harold E Selick director | MOption exercise Common Stock | +10,725 | $1.16 | $12k | 43,851 | Apr 30, 2025 |
| Apr 28, 2025 | Harold E Selick director | MOption exercise Stock Option (right to buy)derivative | -10,725 | $0.00 | $0 | 0 | Apr 30, 2025 |
| Apr 22, 2025 | Asif Ali Chief Financial Officer | SOpen-market sale Common Stock | -1,756 | $46.00 | $81k | 61,065 | Apr 23, 2025 |
| Mar 12, 2025 | Asif Ali Chief Financial Officer | MOption exercise Common Stock | +15,203 | $12.17 | $185k | 78,024 | Mar 14, 2025 |
| Mar 12, 2025 | Asif Ali Chief Financial Officer | MOption exercise Common Stock | +9,700 | $19.19 | $186k | 87,724 | Mar 14, 2025 |
| Mar 12, 2025 | Asif Ali Chief Financial Officer | SOpen-market sale Common Stock | -24,903 | $58.73 | $1.5M | 62,821 | Mar 14, 2025 |
| Mar 12, 2025 | Asif Ali Chief Financial Officer | MOption exercise Stock Option (right to buy)derivative | -15,203 | $0.00 | $0 | 30,547 | Mar 14, 2025 |
| Mar 12, 2025 | Asif Ali Chief Financial Officer | MOption exercise Stock Option (right to buy)derivative | -9,700 | $0.00 | $0 | 66,800 | Mar 14, 2025 |
| Jan 16, 2025 | Asif Ali Chief Financial Officer | SOpen-market sale Common Stock | -1,317 | $0.00 | $0 | 65,422 | Jan 17, 2025 |
| Jan 16, 2025 | Asif Ali Chief Financial Officer | SOpen-market sale Common Stock | -2,601 | $0.00 | $0 | 62,821 | Jan 17, 2025 |
| Jan 2, 2025 | Asif Ali Chief Financial Officer | AGrant or award Common Stock | +31,779 | $0.00 | $0 | 66,739 | Jan 6, 2025 |
| Jan 2, 2025 | Bryan Giraudo director | AGrant or award Common Stock | +5,130 | $0.00 | $0 | 15,130 | Jan 6, 2025 |
| Jan 2, 2025 | Asif Ali Chief Financial Officer | AGrant or award Stock Option (right to buy)derivative | +38,520 | $0.00 | $0 | 38,520 | Jan 6, 2025 |
| Jan 2, 2025 | Bryan Giraudo director | AGrant or award Stock Option (right to buy)derivative | +6,584 | $0.00 | $0 | 6,584 | Jan 6, 2025 |
| Nov 25, 2024 | Suneel Gupta Chief Development Officer | MOption exercise Common Stock | +45,000 | $7.38 | $332k | 229,611 | Nov 27, 2024 |
| Nov 26, 2024 | Arturo Molina Md Chief Medical Officer | MOption exercise Common Stock | +5,529 | $8.04 | $44k | 51,973 | Nov 27, 2024 |
| Nov 25, 2024 | Dinesh Ph D Patel V President and CEO | SOpen-market sale Common Stock | -78,520 | $46.96 | $3.7M | 435,208 | Nov 27, 2024 |
| Nov 25, 2024 | Suneel Gupta Chief Development Officer | MOption exercise Common Stock | +45,000 | $8.02 | $361k | 274,611 | Nov 27, 2024 |
| Nov 25, 2024 | Dinesh Ph D Patel V President and CEO | GGift Common Stock | -7,000 | $0.00 | $0 | 428,208 | Nov 27, 2024 |
| Nov 26, 2024 | Arturo Molina Md Chief Medical Officer | SOpen-market sale Common Stock | -5,529 | $45.60 | $252k | 46,444 | Nov 27, 2024 |
| Nov 25, 2024 | Suneel Gupta Chief Development Officer | MOption exercise Common Stock | +85,000 | $7.80 | $663k | 359,611 | Nov 27, 2024 |
| Nov 27, 2024 | Arturo Molina Md Chief Medical Officer | MOption exercise Common Stock | +10,000 | $8.04 | $80k | 56,444 | Nov 27, 2024 |
| Nov 25, 2024 | Dinesh Ph D Patel V President and CEO | MOption exercise Common Stock | +1,727 | $21.58 | $37k | 429,935 | Nov 27, 2024 |
| Nov 25, 2024 | Suneel Gupta Chief Development Officer | SOpen-market sale Common Stock | -103,437 | $46.04 | $4.8M | 256,174 | Nov 27, 2024 |
| Nov 26, 2024 | Dinesh Ph D Patel V President and CEO | SOpen-market sale Common Stock | -21,480 | $46.25 | $993k | 408,455 | Nov 27, 2024 |
| Nov 27, 2024 | Arturo Molina Md Chief Medical Officer | SOpen-market sale Common Stock | -10,000 | $44.50 | $445k | 46,444 | Nov 27, 2024 |
| Nov 27, 2024 | Arturo Molina Md Chief Medical Officer | MOption exercise Common Stock | +16,000 | $8.04 | $129k | 62,444 | Nov 27, 2024 |
| Nov 26, 2024 | Suneel Gupta Chief Development Officer | MOption exercise Common Stock | +30,000 | $12.17 | $365k | 286,174 | Nov 27, 2024 |
| Nov 25, 2024 | Dinesh Ph D Patel V President and CEO | MOption exercise Stock Option (right to buy)derivative | -1,727 | $0.00 | $0 | 318,273 | Nov 27, 2024 |
| Nov 26, 2024 | Suneel Gupta Chief Development Officer | SOpen-market sale Common Stock | -19,191 | $45.50 | $873k | 266,983 | Nov 27, 2024 |
| Nov 27, 2024 | Arturo Molina Md Chief Medical Officer | SOpen-market sale Common Stock | -16,000 | $44.83 | $717k | 46,444 | Nov 27, 2024 |
| Nov 26, 2024 | Arturo Molina Md Chief Medical Officer | MOption exercise Stock Option (right to buy)derivative | -5,529 | $0.00 | $0 | 121,971 | Nov 27, 2024 |
| Nov 26, 2024 | Suneel Gupta Chief Development Officer | MOption exercise Common Stock | +450 | $12.17 | $5,477 | 267,433 | Nov 27, 2024 |
| Nov 27, 2024 | Arturo Molina Md Chief Medical Officer | MOption exercise Stock Option (right to buy)derivative | -10,000 | $0.00 | $0 | 111,971 | Nov 27, 2024 |
| Nov 25, 2024 | Suneel Gupta Chief Development Officer | MOption exercise Stock Option (right to buy)derivative | -45,000 | $0.00 | $0 | 0 | Nov 27, 2024 |
| Nov 25, 2024 | Suneel Gupta Chief Development Officer | MOption exercise Stock Option (right to buy)derivative | -45,000 | $0.00 | $0 | 0 | Nov 27, 2024 |
| Nov 27, 2024 | Arturo Molina Md Chief Medical Officer | MOption exercise Stock Option (right to buy)derivative | -16,000 | $0.00 | $0 | 95,971 | Nov 27, 2024 |
| Nov 25, 2024 | Suneel Gupta Chief Development Officer | MOption exercise Stock Option (right to buy)derivative | -85,000 | $0.00 | $0 | 0 | Nov 27, 2024 |
| Nov 26, 2024 | Suneel Gupta Chief Development Officer | MOption exercise Stock Option (right to buy)derivative | -30,000 | $0.00 | $0 | 93,750 | Nov 27, 2024 |
| Nov 26, 2024 | Suneel Gupta Chief Development Officer | MOption exercise Stock Option (right to buy)derivative | -450 | $0.00 | $0 | 93,300 | Nov 27, 2024 |
| Nov 19, 2024 | Dinesh Ph D Patel V President and CEO | GGift Common Stock | -1,000 | $0.00 | $0 | 513,415 | Nov 21, 2024 |
| Nov 15, 2024 | Arturo Molina Md Chief Medical Officer | SOpen-market sale Common Stock | -1,906 | $40.98 | $78k | 46,444 | Nov 19, 2024 |
Insiders
Everyone who has filed a Form 4 here.
- Asif AliChief Financial Officer
- Bryan Giraudodirector, cfo, coo, officer
- Suneel GuptaChief Development Officer
- Arturo Molina MdChief Medical Officer
- Dinesh Ph D Patel VPresident and CEO
- Harold E Selickdirector
- William D. Waddilldirector
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.