{"transactions":[{"id":697568,"issuer":{"id":4598,"kind":"organization","name":"Eton Pharmaceuticals, Inc.","symbol":"ETON"},"owners":[{"id":26747,"kind":"person","name":"Erdogan-Trinkaus Ipek","position":1,"cik":"0002047026","reported_name":"Erdogan-Trinkaus Ipek","relationship":{"officer":true,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2026-08-04T21:03:11.000Z","date":"2026-07-31","kind":"grant","planned":false,"acquired":true,"shares":80000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"On July 31, 2026, the reporting person was granted 80,000 performance-vested restricted stock units granted under the Issuer's 2018 equity incentive plan. Each restricted stock unit represents the right to acquire one share of Issuer common stock. The award vests in full, and all restrictions lapse, immediately upon the closing price of the Issuer's common stock equaling or exceeding $72.36 per share for one trading day at any time prior to the third anniversary of the grant date.  If this market condition is not satisfied prior to such date, the award will be forfeited in its entirety without consideration on July 31, 2029.The number of shares reported reflects the maximum and only number of shares issuable under the award; there is no target, threshold, or maximum range."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On July 31, 2026, the reporting person was granted 80,000 performance-vested restricted stock units granted under the Issuer's 2018 equity incentive plan. Each restricted stock unit represents the right to acquire one share of Issuer common stock. The award vests in full, and all restrictions lapse, immediately upon the closing price of the Issuer's common stock equaling or exceeding $72.36 per share for one trading day at any time prior to the third anniversary of the grant date.  If this market condition is not satisfied prior to such date, the award will be forfeited in its entirety without consideration on July 31, 2029.The number of shares reported reflects the maximum and only number of shares issuable under the award; there is no target, threshold, or maximum range."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"On July 31, 2026, the reporting person was granted 80,000 performance-vested restricted stock units granted under the Issuer's 2018 equity incentive plan. Each restricted stock unit represents the right to acquire one share of Issuer common stock. The award vests in full, and all restrictions lapse, immediately upon the closing price of the Issuer's common stock equaling or exceeding $72.36 per share for one trading day at any time prior to the third anniversary of the grant date.  If this market condition is not satisfied prior to such date, the award will be forfeited in its entirety without consideration on July 31, 2029.The number of shares reported reflects the maximum and only number of shares issuable under the award; there is no target, threshold, or maximum range."}],"balance_after":80000,"derivative":{"underlying":"Common Stock","underlying_shares":80000},"source":{"system":"sec-edgar","filing":"0001437749-26-025712","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2047026/000143774926025712/rdgdoc.xml","form_type":"4"}},{"id":939350,"issuer":{"id":4598,"kind":"organization","name":"Eton Pharmaceuticals, Inc.","symbol":"ETON"},"owners":[{"id":26747,"kind":"person","name":"Erdogan-Trinkaus Ipek","position":1,"cik":"0002047026","reported_name":"Erdogan-Trinkaus Ipek","relationship":{"officer":true,"officer_title":"Chief Commercial Officer"}}],"security":"Restricted Stock Units","published_at":"2026-01-14T23:05:48.000Z","date":"2026-01-12","kind":"grant","planned":false,"acquired":true,"shares":25856,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each restricted stock unit represents a contingent right to receive one share of ETON Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The restricted stock units vest in four equal annual installments beginning January 12, 2027, contingent upon the reporting person being employed by the issuer on the date(s) of vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The restricted stock units vest in four equal annual installments beginning January 12, 2027, contingent upon the reporting person being employed by the issuer on the date(s) of vesting."}],"balance_after":149734,"derivative":{"underlying":"Common Stock","underlying_shares":25856},"source":{"system":"sec-edgar","filing":"0001437749-26-001292","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2047026/000143774926001292/rdgdoc.xml","form_type":"4"}},{"id":939349,"issuer":{"id":4598,"kind":"organization","name":"Eton Pharmaceuticals, Inc.","symbol":"ETON"},"owners":[{"id":26747,"kind":"person","name":"Erdogan-Trinkaus Ipek","position":1,"cik":"0002047026","reported_name":"Erdogan-Trinkaus Ipek","relationship":{"officer":true,"officer_title":"Chief Commercial Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2026-01-14T23:05:48.000Z","date":"2026-01-12","kind":"grant","planned":false,"acquired":true,"shares":40655,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The shares subject to the option shall vest in 48 equal monthly installments from the date of grant until fully vested and exercisable on January 12, 2030."}],"balance_after":123878,"derivative":{"exercise_price":15.47,"expiration_date":"2036-01-11","underlying":"Common Stock","underlying_shares":40655},"source":{"system":"sec-edgar","filing":"0001437749-26-001292","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2047026/000143774926001292/rdgdoc.xml","form_type":"4"}},{"id":971575,"issuer":{"id":4598,"kind":"organization","name":"Eton Pharmaceuticals, Inc.","symbol":"ETON"},"owners":[{"id":26747,"kind":"person","name":"Erdogan-Trinkaus Ipek","position":1,"cik":"0002047026","reported_name":"Erdogan-Trinkaus Ipek","relationship":{"officer":true,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2025-12-12T21:57:44.000Z","date":"2025-12-12","kind":"tax_withholding","planned":false,"acquired":false,"shares":85,"price":16.9,"value":1436.5,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld by the Issuer to satisfy applicable withholding taxes upon the vesting of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The shares were sold in multiple trades at prices ranging from $16.90 to $16.91. The price reported above reflects the weighted average sales price."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The Reporting Person will provide upon request by the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price."}],"balance_after":2403,"source":{"system":"sec-edgar","filing":"0001437749-25-037747","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2047026/000143774925037747/rdgdoc.xml","form_type":"4"}}]}