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These shares were sold in multiple transactions at prices ranging from $2.95 to $2.99, inclusive. 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All of the other terms of the options remained unchanged."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Twenty-five percent of the shares subject to the option vests on the first anniversary of the vesting commencement date, and the remainder vests in 36 equal monthly installments thereafter for the following three years."}],"balance_after":45000,"derivative":{"exercise_price":0.785,"expiration_date":"2029-12-09","underlying":"Common Stock","underlying_shares":45000},"source":{"system":"sec-edgar","filing":"0001415889-25-004755","document":"form4-02202025_120220.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2012180/000141588925004755/form4-02202025_120220.xml","form_type":"4"}},{"id":1260658,"issuer":{"id":6560,"kind":"organization","name":"Equillium, Inc."},"owners":[{"id":43224,"kind":"person","name":"Tom Penny","position":1,"cik":"0002012180","reported_name":"Tom Penny","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Principal Accounting Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2025-02-20T00:31:23.000Z","date":"2025-02-14","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":65000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"On August 7, 2023, the Board of Directors of the Company approved the repricing of certain options based on the closing price of the Company's common stock on August 14, 2023. The repricing of these options was subject to a holding period that lapsed on February 14, 2025. The repricing resulted in the impacted options having a lower exercise price of $0.785 per share, which is the closing price of the Company's common stock on the Nasdaq Capital Market on August 14, 2023.  All of the other terms of the options remained unchanged."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Twenty-five percent of the shares subject to the option vests on the first anniversary of the vesting commencement date, and the remainder vests in 36 equal monthly installments thereafter for the following three years."}],"balance_after":0,"derivative":{"exercise_price":2.45,"expiration_date":"2029-01-30","underlying":"Common Stock","underlying_shares":65000},"source":{"system":"sec-edgar","filing":"0001415889-25-004755","document":"form4-02202025_120220.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2012180/000141588925004755/form4-02202025_120220.xml","form_type":"4"}},{"id":1260657,"issuer":{"id":6560,"kind":"organization","name":"Equillium, Inc."},"owners":[{"id":43224,"kind":"person","name":"Tom Penny","position":1,"cik":"0002012180","reported_name":"Tom Penny","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Principal Accounting Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2025-02-20T00:31:23.000Z","date":"2025-02-14","kind":"grant","planned":false,"acquired":true,"shares":65000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"On August 7, 2023, the Board of Directors of the Company approved the repricing of certain options based on the closing price of the Company's common stock on August 14, 2023. The repricing of these options was subject to a holding period that lapsed on February 14, 2025. The repricing resulted in the impacted options having a lower exercise price of $0.785 per share, which is the closing price of the Company's common stock on the Nasdaq Capital Market on August 14, 2023.  All of the other terms of the options remained unchanged."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Twenty-five percent of the shares subject to the option vests on the first anniversary of the vesting commencement date, and the remainder vests in 36 equal monthly installments thereafter for the following three years."}],"balance_after":65000,"derivative":{"exercise_price":0.785,"expiration_date":"2029-01-30","underlying":"Common Stock","underlying_shares":65000},"source":{"system":"sec-edgar","filing":"0001415889-25-004755","document":"form4-02202025_120220.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2012180/000141588925004755/form4-02202025_120220.xml","form_type":"4"}},{"id":1311230,"issuer":{"id":6560,"kind":"organization","name":"Equillium, Inc."},"owners":[{"id":43224,"kind":"person","name":"Tom Penny","position":1,"cik":"0002012180","reported_name":"Tom Penny","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Principal Accounting Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2025-01-06T23:26:49.000Z","date":"2025-01-02","kind":"grant","planned":false,"acquired":true,"shares":125000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Twenty-five percent of the shares subject to the option vests on the first anniversary of the vesting commencement date, and the remainder vests in 36 equal monthly installments thereafter for the following three years."}],"balance_after":125000,"derivative":{"exercise_price":0.77,"expiration_date":"2035-01-01","underlying":"Common Stock","underlying_shares":125000},"source":{"system":"sec-edgar","filing":"0001415889-25-000858","document":"form4-01062025_110145.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2012180/000141588925000858/form4-01062025_110145.xml","form_type":"4"}},{"id":1380140,"issuer":{"id":6560,"kind":"organization","name":"Equillium, Inc."},"owners":[{"id":43224,"kind":"person","name":"Tom Penny","position":1,"cik":"0002012180","reported_name":"Tom Penny","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2024-10-29T20:15:06.000Z","date":"2024-10-28","kind":"sale","planned":true,"acquired":false,"shares":2835,"price":1.25,"value":3543.75,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 14, 2024."}],"balance_after":6533,"source":{"system":"sec-edgar","filing":"0001415889-24-025695","document":"form4-10292024_041001.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2012180/000141588924025695/form4-10292024_041001.xml","form_type":"4"}},{"id":1380139,"issuer":{"id":6560,"kind":"organization","name":"Equillium, Inc."},"owners":[{"id":43224,"kind":"person","name":"Tom Penny","position":1,"cik":"0002012180","reported_name":"Tom Penny","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2024-10-29T20:15:06.000Z","date":"2024-10-25","kind":"sale","planned":true,"acquired":false,"shares":683,"price":1.25,"value":853.75,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 14, 2024."}],"balance_after":9368,"source":{"system":"sec-edgar","filing":"0001415889-24-025695","document":"form4-10292024_041001.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2012180/000141588924025695/form4-10292024_041001.xml","form_type":"4"}},{"id":1405489,"issuer":{"id":6560,"kind":"organization","name":"Equillium, Inc."},"owners":[{"id":43224,"kind":"person","name":"Tom Penny","position":1,"cik":"0002012180","reported_name":"Tom Penny","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2024-09-17T22:14:15.000Z","date":"2024-09-16","kind":"sale","planned":true,"acquired":false,"shares":38806,"price":0.85,"value":32985.1,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 14, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $0.83 to $0.90, inclusive.  The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 15,000 shares acquired by the reporting person under the Issuer's 2018 Employee Stock Purchase Plan on June 10, 2024."}],"balance_after":10051,"source":{"system":"sec-edgar","filing":"0001415889-24-023546","document":"form4-09172024_100911.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2012180/000141588924023546/form4-09172024_100911.xml","form_type":"4"}}]}