Protagonist Therapeutics, Inc
PTGX
21 insider filings · Latest: Aug 10, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Aug 11, 2026 | Aug 12 10:43 PM | PATEL DINESH V PH DDirector, President and CEO | Sale | 34,239 | $148.52 | $5.1M | 523,478(D) | View → |
| Aug 10, 2026 | Aug 12 10:43 PM | PATEL DINESH V PH DDirector, President and CEO | Sale | 65,761 | $149.11 | $9.8M | 523,478(D) | View → |
| Aug 10, 2026 | Aug 10 8:49 PM | Dinesh Patel | Proposed Sale | 225,000 | $149.26 | $33.6M | — | View → |
| Jun 23, 2026 | Jun 25 8:10 PM | William D. WaddillDirector | Sale | 9,000 | $117.94 | $1.1M | 7,825(D) | View → |
| Jun 23, 2026 | Jun 23 8:27 PM | WILLIAM WADDILL | Proposed Sale | 9,000 | $115.03 | $1.0M | — | View → |
| Jun 10, 2026 | Jun 11 11:06 PM | William D. WaddillDirector | Sale | 9,000 | $107.68 | $969.1K | 7,825(D) | View → |
| Jun 10, 2026 | Jun 10 8:29 PM | WILLIAM WADDILL | Proposed Sale | 9,000 | $105.87 | $952.8K | — | View → |
| May 29, 2026 | Jun 1 10:31 PM | William D. WaddillDirector | Sale | 9,000 | $99.64 | $896.8K | 7,825(D) | View → |
| May 29, 2026 | May 29 8:23 PM | WILLIAM WADDILL | Proposed Sale | 9,000 | $100.41 | $903.7K | — | View → |
| May 12, 2026 | May 15 12:06 AM | PATEL DINESH V PH DDirector, President and CEO | Sale | 75,000 | $100.12 | $7.5M | 523,478(D) | View → |
| May 12, 2026 | May 12 11:28 PM | PATEL DINESH V PH DDirector, President and CEO | Sale | 75,000 | $100.12 | $7.5M | 523,478(D) | View → |
| May 12, 2026 | May 12 9:29 PM | Dinesh Patel | Proposed Sale | 75,000 | $103.50 | $7.8M | — | View → |
| May 8, 2026 | May 12 12:25 AM | Bryan GiraudoDirector | Sale | 11,130 | $100.00 | $1.1M | 12,695(I) | View → |
| May 7, 2026 | May 12 12:25 AM | Bryan GiraudoDirector | Sale | 48,000 | $100.12 | $4.8M | 6,000(I) | View → |
| May 8, 2026 | May 8 8:23 PM | BRYAN M & COURTNEY L GIRAUDO RT | Proposed Sale | 11,130 | $100.00 | $1.1M | — | View → |
| May 7, 2026 | May 7 9:21 PM | BRYAN GIRAUDO | Proposed Sale | 36,000 | $100.14 | $3.6M | — | View → |
| May 7, 2026 | May 7 8:49 PM | BRYAN M & COURTNEY L GIRAUDO RT | Proposed Sale | 12,000 | $100.07 | $1.2M | — | View → |
| Apr 20, 2026 | Apr 21 8:58 PM | Asif AliChief Financial Officer | Sale | 1,750 | $105.47 | $184.6K | 59,003(D) | View → |
| Apr 20, 2026 | Apr 21 8:57 PM | Asif Ali | Proposed Sale | 1,750 | $105.47 | $184.6K | — | View → |
| Mar 26, 2026 | Mar 27 11:36 PM | Arturo Molina MDChief Medical Officer | Sale | 15,000 | $104.79 | $1.6M | 84,115(D) | View → |
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Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| Jan 26, 2026 | Jan 28 2:19 AM | Arturo Molina MDChief Medical Officer | Option Exercise | 5,000 | $8.04 | 70,971(D) | View → |
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