MOLINA ARTURO MD (CIK 1398940) reported 19 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-27). Recent activity: Buy PTGX (15,000 shares), Sell PTGX (15,000 shares), Sell PTGX (13,151 shares), Buy PTGX (5,000 shares), Sell PTGX (5,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-27 | Protagonist Therapeutics, Inc (PTGX) | Chief Medical Officer | Buy | 15,000 | $120,600 |
| 2026-03-27 | Protagonist Therapeutics, Inc (PTGX) | Chief Medical Officer | Sell | 15,000 | $1.6M |
| 2026-01-27 | Protagonist Therapeutics, Inc (PTGX) | Chief Medical Officer | Sell | 13,151 | $1.1M |
| 2026-01-27 | Protagonist Therapeutics, Inc (PTGX) | Chief Medical Officer | Buy | 5,000 | $40,200 |
| 2026-01-27 | Protagonist Therapeutics, Inc (PTGX) | Chief Medical Officer | Sell | 5,000 | $411,400 |
| 2026-01-27 | Protagonist Therapeutics, Inc (PTGX) | Chief Medical Officer | Buy | 5,000 | $40,200 |
| 2026-01-27 | Protagonist Therapeutics, Inc (PTGX) | Chief Medical Officer | Sell | 5,000 | $410,000 |
| 2026-01-21 | Protagonist Therapeutics, Inc (PTGX) | Chief Medical Officer | Sell | 9,514 | $784,715 |
| 2026-01-06 | Protagonist Therapeutics, Inc (PTGX) | Chief Medical Officer | Buy | 25,600 | $0 |
| 2025-11-19 | Protagonist Therapeutics, Inc (PTGX) | Chief Medical Officer | Sell | 2,712 | $229,896 |
| 2025-06-11 | Protagonist Therapeutics, Inc (PTGX) | Chief Medical Officer | Buy | 10,000 | $80,400 |
| 2025-06-11 | Protagonist Therapeutics, Inc (PTGX) | Chief Medical Officer | Sell | 10,000 | $555,100 |
| 2025-06-11 | Protagonist Therapeutics, Inc (PTGX) | Chief Medical Officer | Buy | 10,000 | $80,400 |
| 2025-06-11 | Protagonist Therapeutics, Inc (PTGX) | Chief Medical Officer | Sell | 10,000 | $570,300 |
| 2025-03-14 | Protagonist Therapeutics, Inc (PTGX) | Chief Medical Officer | Buy | 28,437 | $665,995 |
| 2025-03-14 | Protagonist Therapeutics, Inc (PTGX) | Chief Medical Officer | Buy | 2,077 | $80,961 |
| 2025-03-14 | Protagonist Therapeutics, Inc (PTGX) | Chief Medical Officer | Sell | 30,514 | $1.7M |
| 2025-01-17 | Protagonist Therapeutics, Inc (PTGX) | Chief Medical Officer | Sell | 388 | $0 |
| 2025-01-17 | Protagonist Therapeutics, Inc (PTGX) | Chief Medical Officer | Sell | 3,252 | $0 |
Source: SEC Form 4 filings · as of 2026-03-27