Key facts
- This page summarizes Harold E. Selick's Form 4 filing for Protagonist Therapeutics, Inc (PTGX).
- 3 reported transactions and 1 derivative row are listed below.
- Accepted by SEC: 27 Mar 2026, 19:34.
Harold E. Selick - 26 Mar 2026 Form 4 Insider Report for Protagonist Therapeutics, Inc (PTGX)
- Reporting relationship
- Director
- Issuer ticker
- PTGX
- Reported as of
- 26 Mar 2026
- Net transaction value
- -$2,520,000
- SEC form
- 4
- Accepted by SEC
- 27 Mar 2026, 19:34:29 UTC
- Prior SEC filing
- 13 Jan 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Matthew Gosling, Attorney-in-Fact for Harold E. Selick
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Harold E. Selick filed Form 4 for Protagonist Therapeutics, Inc (PTGX) on 27 Mar 2026.
Change
- Previous filing in this sequence was filed on 13 Jan 2026.
- Current net transaction value: -$2,520,000.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001287233
Primary reporting owner
SELICK HAROLD E
- Relationship
- Director
- Address
- C/O PROTAGONIST THERAPEUTICS, INC., 7707 GATEWAY BLVD., SUITE 140, NEWARK
- Signature
- /s/ Matthew Gosling, Attorney-in-Fact for Harold E. Selick
- Signature date
- 27 Mar 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
PTGX
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +24,000
- Change %
- +39%
- Price
- $12.88*
- Shares after
- 84,845
- Date
- 26 Mar 2026
- Ownership
- Direct
PTGX
transaction
Common Stock
Sale
- Transaction value
- $2,520,000
- Shares
- -24,000
- Change %
- -28%
- Price
- $105.00
- Shares after
- 60,845
- Date
- 26 Mar 2026
- Ownership
- Direct
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
PTGX
transaction
Derivative
Stock Option (right to buy)
Options Exercise
- Transaction value
- Shares
- -24,000
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 26 Mar 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 24,000
- Exercise price
- $12.88
- Footnotes
- F1
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 1 footnote
Footnote F1
These stock options are fully vested.