Form 4 Tracker
Protagonist Therapeutics, Inc
PTGX

24 insider filings · Latest: Sep 30, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Sep 30, 2026Oct 2 8:10 PMAsif AliChief Financial Officer
Sale
58,629$141.78$8.3M59,003(D)

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Sep 30, 2026Sep 30 8:20 PMASIF ALI
Proposed Sale
58,629$140.97$8.3M—

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Sep 10, 2026Sep 11 1:17 AMPATEL DINESH V PH DDirector, President and CEO
Sale
7,278$144.10$1.0M522,968(D)

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Sep 9, 2026Sep 11 1:17 AMPATEL DINESH V PH DDirector, President and CEO
Sale
63,548$146.18$9.3M522,968(D)

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Sep 8, 2026Sep 11 1:17 AMPATEL DINESH V PH DDirector, President and CEO
Sale
54,174$145.87$7.9M522,968(D)

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Aug 11, 2026Aug 12 10:43 PMPATEL DINESH V PH DDirector, President and CEO
Sale
34,239$148.52$5.1M523,478(D)

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Aug 10, 2026Aug 12 10:43 PMPATEL DINESH V PH DDirector, President and CEO
Sale
65,761$149.11$9.8M523,478(D)

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Aug 10, 2026Aug 10 8:49 PMDinesh Patel
Proposed Sale
225,000$149.26$33.6M—

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Jun 23, 2026Jun 25 8:10 PMWilliam D. WaddillDirector
Sale
9,000$117.94$1.1M7,825(D)

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Jun 23, 2026Jun 23 8:27 PMWILLIAM WADDILL
Proposed Sale
9,000$115.03$1.0M—

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Jun 10, 2026Jun 11 11:06 PMWilliam D. WaddillDirector
Sale
9,000$107.68$969.1K7,825(D)

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Jun 10, 2026Jun 10 8:29 PMWILLIAM WADDILL
Proposed Sale
9,000$105.87$952.8K—

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May 29, 2026Jun 1 10:31 PMWilliam D. WaddillDirector
Sale
9,000$99.64$896.8K7,825(D)

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May 29, 2026May 29 8:23 PMWILLIAM WADDILL
Proposed Sale
9,000$100.41$903.7K—

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May 12, 2026May 15 12:06 AMPATEL DINESH V PH DDirector, President and CEO
Sale
75,000$100.12$7.5M523,478(D)

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May 12, 2026May 12 11:28 PMPATEL DINESH V PH DDirector, President and CEO
Sale
75,000$100.12$7.5M523,478(D)

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May 12, 2026May 12 9:29 PMDinesh Patel
Proposed Sale
75,000$103.50$7.8M—

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May 8, 2026May 12 12:25 AMBryan GiraudoDirector
Sale
11,130$100.00$1.1M12,695(I)

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May 7, 2026May 12 12:25 AMBryan GiraudoDirector
Sale
48,000$100.12$4.8M6,000(I)

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May 8, 2026May 8 8:23 PMBRYAN M & COURTNEY L GIRAUDO RT
Proposed Sale
11,130$100.00$1.1M—

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Jan 26, 2026Jan 28 2:21 AMPATEL DINESH V PH DDirector, President and CEO
Option Exercise
24,890$21.58304,068(D)

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Jan 23, 2026Jan 28 2:21 AMPATEL DINESH V PH DDirector, President and CEO
Option Exercise
19,315$4.2110,685(D)

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Jan 27, 2026Jan 28 2:20 AMAsif AliChief Financial Officer
Option Exercise
28,000$19.1918,547(D)

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Jan 27, 2026Jan 28 2:19 AMArturo Molina MDChief Medical Officer
Option Exercise
5,000$8.0465,971(D)

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Jan 26, 2026Jan 28 2:19 AMArturo Molina MDChief Medical Officer
Option Exercise
5,000$8.0470,971(D)

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