CIK 0001377121 · Large accelerated filer
Protagonist Therapeutics, Inc
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- PTGX
- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 980505495
- Phone
- (510) 474-0170
- Business address
- 7707 GATEWAY BLVD., SUITE 140, NEWARK, CA, 94560-1160
- Former names
- Protagonist Therapeutics Inc, Protagonist Inc
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $26,552,861
- in 2 filings, $26.6M under 10b5-1 plans
Net −$26,552,861. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-03-26 | Ali Asif Chief Financial Officer | Option exercise | +5,265 | $12.17 | $64K | 85,518 |
| 2026-03-26 | Ali Asif Chief Financial Officer | Sale | −24,765 | $104.24 | $2.6M | 60,753 |
| 2026-03-26 | Ali Asif Chief Financial Officer | Option exercise · Stock Option (right to buy) | −19,500 | 31,300 | ||
| 2026-03-26 | Ali Asif Chief Financial Officer | Option exercise · Stock Option (right to buy) | −5,265 | 13,282 | ||
| 2026-03-25 | PATEL DINESH V PH D President and CEO | Option exercise | +54,641 | $8.58 | $469K | 579,579 |
| 2026-03-25 | PATEL DINESH V PH D President and CEO | Sale | −54,641 | $101.00 | $5.5M | 524,938 |
| 2026-03-25 | PATEL DINESH V PH D President and CEO | Option exercise · Stock Option (right to buy) | −54,641 | 0 | ||
| 2026-03-24 | PATEL DINESH V PH D President and CEO | Option exercise | +59 | $8.58 | $506 | 524,997 |
| 2026-03-24 | PATEL DINESH V PH D President and CEO | Sale | −59 | $101.00 | $6K | 524,938 |
| 2026-03-24 | PATEL DINESH V PH D President and CEO | Option exercise · Stock Option (right to buy) | −59 | 54,641 | ||
| 2026-03-23 | PATEL DINESH V PH D President and CEO | Gift | −50,000 | 524,938 | ||
| 2026-02-17 | Williams Lewis T Director | Option exercise | +18,000 | $10.84 | $195K | 25,825 |
| 2026-02-17 | Williams Lewis T Director | Sale | −18,000 | $82.42 | $1.5M | 7,825 |
| 2026-02-17 | Williams Lewis T Director | Option exercise · Stock Option (right to buy) | +18,000 | 6,000 | ||
| 2026-02-06 | Waddill William D. Director | Option exercise | +20,000 | $8.31 | $166K | 27,825 |
| 2026-02-06 | Waddill William D. Director | Sale | −20,000 | $83.68 | $1.7M | 7,825 |
| 2026-02-06 | Waddill William D. Director | Option exercise · Stock Option (right to buy) | −20,000 | 0 | ||
| 2026-01-27 | PATEL DINESH V PH D President and CEO | Option exercise | +4,068 | $21.58 | $88K | 578,573 |
| 2026-01-27 | PATEL DINESH V PH D President and CEO | Sale | −4,068 | $83.19 | $338K | 574,505 |
| 2026-01-27 | PATEL DINESH V PH D President and CEO | Option exercise · Stock Option (right to buy) | −4,068 | 300,000 |
Page 4 of 29 · 580 trades