Norbert G. Riedel - 03 Feb 2026 Form 4 Insider Report for Eton Pharmaceuticals, Inc. (ETON)

Role
Director
Signature
/s/ James R. Gruber
Issuer symbol
ETON
Transactions as of
03 Feb 2026
Net transactions value
+$132,600
Form type
4
Filing time
05 Feb 2026, 17:18:48 UTC
Previous filing
14 Jan 2026
Next filing
02 Mar 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
RIEDEL NORBERT G Director C/O ETON PHARMACEUTICALS, INC., 21925 W. FIELD PARKWAY, SUITE 235, DEERPARK /s/ James R. Gruber 05 Feb 2026 0001161662

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ETON Common Stock Exercise of in-the-money or at-the-money derivative security $132,600 +30,000 +600% $4.42 35,000 03 Feb 2026 Direct
holding ETON Common Stock 157,145 03 Feb 2026 By Trust F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction ETON Employee Stock Option (Right to Buy) Exercise of in-the-money or at-the-money derivative security $0 -30,000 -100% $0.000000 0 03 Feb 2026 Common Stock 30,000 $4.42 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares held in 'Norbert G. Riedel 2002 Trust, Loan Thi Tran 2002 Trust' family trust, as to which the Reporting Person is a trustee.

Remarks:

The reporting person has authorized and designated the named person to file this Form 4 on the reporting person's behalf for indefinite duration.