Key facts
- This page summarizes Sean Brynjelsen's Form 4 filing for Eton Pharmaceuticals, Inc. (ETON).
- 4 reported transactions and 2 derivative rows are listed below.
- Accepted by SEC: 14 Jul 2026, 17:28.
Sean Brynjelsen - 12 Jul 2026 Form 4 Insider Report for Eton Pharmaceuticals, Inc. (ETON)
- Reporting relationship
- President & CEO, Director
- Issuer ticker
- ETON
- Reported as of
- 12 Jul 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 14 Jul 2026, 17:28:16 UTC
- Prior SEC filing
- 29 May 2026
- Next SEC filing
- 04 Aug 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Judith Matthews
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Sean Brynjelsen filed Form 4 for Eton Pharmaceuticals, Inc. (ETON) on 14 Jul 2026.
Change
- Previous filing in this sequence was filed on 29 May 2026.
- Current net transaction value: $0.
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 0001669976
Primary reporting owner
BRYNJELSEN SEAN
- Relationship
- President & CEO, Director
- Address
- C/O ETON PHARMACEUTICALS, INC., 21925 W. FIELD PARKWAY, SUITE 235, DEERPARK
- Signature
- /s/ Judith Matthews
- Signature date
- 14 Jul 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
ETON
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +27,500
- Change %
- +3.3%
- Price
- Shares after
- 861,194
- Date
- 12 Jul 2026
- Ownership
- Direct
- Footnotes
- F1
ETON
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +200,000
- Change %
- +23%
- Price
- $1.37*
- Shares after
- 1,061,194
- Date
- 14 Jul 2026
- Ownership
- Direct
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
ETON
transaction
Derivative
Restricted Stock Units
Options Exercise
- Transaction value
- Shares
- -27,500
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 12 Jul 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 27,500
- Exercise price
- $0.000000
- Footnotes
- F1
ETON
transaction
Derivative
Employee Stock Option
Options Exercise
- Transaction value
- Shares
- +200,000
- Change %
- Price
- $0.000000*
- Shares after
- 0
- Date
- 14 Jul 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 200,000
- Exercise price
- $1.37
- Footnotes
- F2
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 2 footnotes
Footnote F1
On July 12, 2022, the reporting person was granted 110,000 restricted stock units which vested in four equal installments beginning July 12, 2023.
Footnote F2
The shares subject to the option vested annually from the date of grant (11-10-2017) in four equal installments.
SEC remarks
The reporting person has authorized and designated the named person to file this Form 4 on the reporting person's behalf for an indefinite duration.