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PTGXNasdaq
Protagonist Therapeutics, Inc
Pharmaceutical Preparations · DE · CIK 1377121
Develops targeted peptide therapeutics for inflammation, immunology, hematology, and metabolic diseases
red 8-K · 90d
$7.06B
Market cap
$121.63
Last close
-0.2%
1D
+5.7%
5D
740K
Volume
Price · last 39 sessions+22.2%
May 4L $93.23 · H $122.63Jun 29
212
Total filings
Jun 18, 2026
Last filing
12/31
Fiscal year end
8-KExecutive Change · Shareholder VoteJun 18, 202610-Q10-QMay 5, 20268-KResults of OperationsMay 5, 2026DEFA14ADEFA14AApr 28, 2026DEF 14AFORM- DEF 14AApr 28, 202610-K10-KFeb 25, 20268-KResults of OperationsFeb 25, 20268-KReg FD DisclosureJan 12, 202610-Q10-QNov 6, 20258-KResults of OperationsNov 6, 202510-Q10-QAug 6, 20258-KResults of OperationsAug 6, 20258-KShareholder VoteJun 26, 202510-Q10-QMay 6, 20258-KResults of OperationsMay 6, 2025DEFA14ADEFA14AApr 29, 2025DEF 14ADEF 14AApr 29, 20258-KCompany UpdateMar 20, 20258-K/ACompany UpdateMar 11, 20258-KCompany UpdateMar 10, 20258-KCompany UpdateMar 3, 202510-K10-KFeb 21, 20258-KResults of OperationsFeb 21, 20258-KExecutive ChangeJan 6, 20258-KMaterial Agreement · Company UpdateNov 18, 202410-Q10-QNov 7, 20248-KResults of OperationsNov 7, 20248-KExecutive ChangeSep 20, 202410-Q10-QAug 6, 20248-KResults of OperationsAug 6, 20248-KBylaw Amendment · Shareholder VoteJun 26, 202410-Q10-QMay 7, 20248-KResults of OperationsMay 7, 2024DEFA14ADEFA14AApr 26, 2024DEF 14ADEF 14AApr 26, 202410-K10-KFeb 27, 20248-KResults of OperationsFeb 27, 20248-KMaterial AgreementJan 31, 20248-KCompany UpdateJan 16, 20248-KReg FD DisclosureJan 8, 2024SC 13GPROTAGONIST THERAPEUTICS, INC.Dec 18, 202310-Q10-QNov 2, 20238-KResults of OperationsNov 2, 20238-KExecutive ChangeOct 30, 2023424B5424B5Aug 11, 202310-Q10-QAug 3, 20238-KResults of OperationsAug 3, 20238-KCompany UpdateJul 5, 20238-KDelisting NoticeJul 3, 20238-KShareholder VoteMay 30, 202310-Q10-QMay 4, 20238-KResults of OperationsMay 4, 2023SC 13GPROTAGONIST THERAPEUTICS, INC.Apr 13, 2023DEFA14ADEFA14AApr 12, 2023DEF 14ADEF 14AApr 12, 20238-KCompany UpdateApr 10, 2023424B5424B5Apr 6, 2023424B5424B5Apr 4, 2023SC 13GSCHEDULE 13GMar 20, 202310-K10-KMar 15, 20238-KResults of OperationsMar 15, 20238-KReg FD DisclosureMar 10, 2023SC 13GSCHEDULE 13GFeb 9, 20238-KExecutive ChangeJan 6, 2023SC 13GSC 13GJan 3, 202310-Q10-QNov 8, 20228-KResults of OperationsNov 8, 202210-Q10-QAug 4, 20228-KResults of OperationsAug 4, 20228-KShareholder VoteJun 2, 202210-Q10-QMay 5, 20228-KResults of OperationsMay 4, 20228-KReg FD DisclosureApr 26, 2022DEFA14ADEFA14AApr 13, 2022DEF 14ADEF 14AApr 13, 20228-KCompany UpdateApr 13, 20228-KExecutive ChangeMar 31, 20228-KExecutive ChangeMar 23, 202210-K10-KFeb 28, 20228-KResults of OperationsFeb 28, 2022
Insider Activity
In the 90 days to Mar 26, 2026: 6 sold $29.5M.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 26, 2026 | Ali AsifChief Financial Officer | Sell | 24,765 | $104.24 | $2.6M |
| Mar 26, 2026 | Selick Harold EDirector | Sell | 24,000 | $105.00 | $2.5M |
| Mar 26, 2026 | Molina Arturo MdChief Medical Officer | Sell | 15,000 | $104.79 | $1.6M |
| Mar 25, 2026 | Patel Dinesh V Ph DPresident and CEO | Sell | 54,641 | $101.00 | $5.5M |
| Mar 24, 2026 | Patel Dinesh V Ph DPresident and CEO | Sell | 59 | $101.00 | $6K |
| Feb 17, 2026 | Williams Lewis TDirector | Sell | 18,000 | $82.42 | $1.5M |
| Feb 6, 2026 | Waddill William D.Director | Sell | 20,000 | $83.68 | $1.7M |
| Jan 27, 2026 | Ali AsifChief Financial Officer | Sell | 28,000 | $83.13 | $2.3M |
| Jan 27, 2026 | Ali AsifChief Financial Officer | Sell | 18,203 | $83.14 | $1.5M |
| Jan 27, 2026 | Molina Arturo MdChief Medical Officer | Sell | 5,000 | $82.00 | $410K |
| Jan 27, 2026 | Patel Dinesh V Ph DPresident and CEO | Sell | 4,068 | $83.19 | $338K |
| Jan 26, 2026 | Patel Dinesh V Ph DPresident and CEO | Sell | 14,205 | $84.05 | $1.2M |
| Jan 26, 2026 | Patel Dinesh V Ph DPresident and CEO | Sell | 10,685 | $84.00 | $898K |
| Jan 26, 2026 | Molina Arturo MdChief Medical Officer | Sell | 5,000 | $82.28 | $411K |
| Jan 23, 2026 | Patel Dinesh V Ph DPresident and CEO | Sell | 19,315 | $84.59 | $1.6M |
| Jan 23, 2026 | Molina Arturo MdChief Medical Officer | Sell | 13,151 | $82.42 | $1.1M |
| Jan 20, 2026 | Patel Dinesh V Ph DPresident and CEO | Sell | 34,438 | $82.48 | $2.8M |
| Jan 20, 2026 | Molina Arturo MdChief Medical Officer | Sell | 9,514 | $82.48 | $785K |
| Jan 20, 2026 | Ali AsifChief Financial Officer | Sell | 8,588 | $82.48 | $708K |
| Nov 17, 2025 | Molina Arturo MdChief Medical Officer | Sell | 2,712 | $84.77 | $230K |
Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.
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