PATEL DINESH V PH D (CIK 1120477) reported 36 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-12). Recent activity: Buy PTGX (65,761 shares), Sell PTGX (65,761 shares), Buy PTGX (34,239 shares), Sell PTGX (34,239 shares), Buy PTGX (75,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-12 | Protagonist Therapeutics, Inc (PTGX) | President and CEO | Buy | 65,761 | $1.4M |
| 2026-08-12 | Protagonist Therapeutics, Inc (PTGX) | President and CEO | Sell | 65,761 | $9.8M |
| 2026-08-12 | Protagonist Therapeutics, Inc (PTGX) | President and CEO | Buy | 34,239 | $738,878 |
| 2026-08-12 | Protagonist Therapeutics, Inc (PTGX) | President and CEO | Sell | 34,239 | $5.1M |
| 2026-05-14 | Protagonist Therapeutics, Inc (PTGX) | President and CEO | Buy | 75,000 | $1.6M |
| 2026-05-14 | Protagonist Therapeutics, Inc (PTGX) | President and CEO | Sell | 75,000 | $7.5M |
| 2026-05-12 | Protagonist Therapeutics, Inc (PTGX) | President and CEO | Buy | 75,000 | $1.6M |
| 2026-05-12 | Protagonist Therapeutics, Inc (PTGX) | President and CEO | Sell | 75,000 | $7.5M |
| 2026-04-24 | Protagonist Therapeutics, Inc (PTGX) | President and CEO | Sell | 1,460 | $0 |
| 2026-03-25 | Protagonist Therapeutics, Inc (PTGX) | President and CEO | Buy | 54,641 | $468,820 |
| 2026-03-25 | Protagonist Therapeutics, Inc (PTGX) | President and CEO | Buy | 59 | $506 |
| 2026-03-25 | Protagonist Therapeutics, Inc (PTGX) | President and CEO | Sell | 59 | $5,959 |
| 2026-03-25 | Protagonist Therapeutics, Inc (PTGX) | President and CEO | Sell | 50,000 | $0 |
| 2026-03-25 | Protagonist Therapeutics, Inc (PTGX) | President and CEO | Sell | 54,641 | $5.5M |
| 2026-01-27 | Protagonist Therapeutics, Inc (PTGX) | President and CEO | Sell | 6,000 | $0 |
| 2026-01-27 | Protagonist Therapeutics, Inc (PTGX) | President and CEO | Buy | 19,315 | $81,316 |
| 2026-01-27 | Protagonist Therapeutics, Inc (PTGX) | President and CEO | Sell | 19,315 | $1.6M |
| 2026-01-27 | Protagonist Therapeutics, Inc (PTGX) | President and CEO | Buy | 10,685 | $44,984 |
| 2026-01-27 | Protagonist Therapeutics, Inc (PTGX) | President and CEO | Sell | 10,685 | $897,540 |
| 2026-01-27 | Protagonist Therapeutics, Inc (PTGX) | President and CEO | Buy | 14,205 | $306,544 |
| 2026-01-27 | Protagonist Therapeutics, Inc (PTGX) | President and CEO | Sell | 14,205 | $1.2M |
| 2026-01-27 | Protagonist Therapeutics, Inc (PTGX) | President and CEO | Buy | 4,068 | $87,787 |
| 2026-01-27 | Protagonist Therapeutics, Inc (PTGX) | President and CEO | Sell | 4,068 | $338,417 |
| 2026-01-21 | Protagonist Therapeutics, Inc (PTGX) | President and CEO | Sell | 34,438 | $2.8M |
| 2026-01-06 | Protagonist Therapeutics, Inc (PTGX) | President and CEO | Buy | 95,400 | $0 |
Source: SEC Form 4 filings · as of 2026-08-12