{"transactions":[{"id":4626705,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":24625,"kind":"person","name":"He Junli","position":1,"cik":"0001728598","reported_name":"He Junli","relationship":{"director":true,"officer":true,"officer_title":"CEO"}}],"security":"Bridge Note (07/16/2026)","published_at":"2026-09-25T14:51:57.000Z","date":"2026-09-11","kind":"exercise","planned":false,"acquired":false,"shares":202533,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Each bridge note provided that, upon a qualified equity financing of the Issuer, the Reporting Person could elect to convert the full balance of the note (principal and accrued interest) into the equity securities sold in such financing at the per-unit price paid by the purchasers in the financing. Because the conversion price was not fixed until the closing of the Private Placement, the notes were not derivative securities prior to that date pursuant to Rule 16a-1(c)(6). The conversion price became fixed at $1.05 per share upon the closing of the Private Placement on September 11, 2026, and the Reporting Person converted the full balance of each note on that date."},{"field":"kind","element":"transactionCoding","label":"F4","text":"Each bridge note provided that, upon a qualified equity financing of the Issuer, the Reporting Person could elect to convert the full balance of the note (principal and accrued interest) into the equity securities sold in such financing at the per-unit price paid by the purchasers in the financing. Because the conversion price was not fixed until the closing of the Private Placement, the notes were not derivative securities prior to that date pursuant to Rule 16a-1(c)(6). The conversion price became fixed at $1.05 per share upon the closing of the Private Placement on September 11, 2026, and the Reporting Person converted the full balance of each note on that date."},{"field":"shares","element":"transactionShares","label":"F5","text":"Represents the outstanding principal and accrued interest on the note as of September 11, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Each bridge note provided that, upon a qualified equity financing of the Issuer, the Reporting Person could elect to convert the full balance of the note (principal and accrued interest) into the equity securities sold in such financing at the per-unit price paid by the purchasers in the financing. Because the conversion price was not fixed until the closing of the Private Placement, the notes were not derivative securities prior to that date pursuant to Rule 16a-1(c)(6). The conversion price became fixed at $1.05 per share upon the closing of the Private Placement on September 11, 2026, and the Reporting Person converted the full balance of each note on that date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The notes were convertible upon the closing of a qualified equity financing and were scheduled to mature on the earlier of the closing of the Issuer's next capital raise with gross proceeds of at least $5,000,000 or the first anniversary of the note's issue date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"The notes were convertible upon the closing of a qualified equity financing and were scheduled to mature on the earlier of the closing of the Issuer's next capital raise with gross proceeds of at least $5,000,000 or the first anniversary of the note's issue date."}],"balance_after":0,"derivative":{"exercise_price":1.05,"underlying":"Common Stock","underlying_shares":192889},"source":{"system":"sec-edgar","filing":"0001437749-26-031181","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1728598/000143774926031181/rdgdoc.xml","form_type":"4"}},{"id":4626704,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":24625,"kind":"person","name":"He Junli","position":1,"cik":"0001728598","reported_name":"He Junli","relationship":{"director":true,"officer":true,"officer_title":"CEO"}}],"security":"Bridge Note (05/13/2026)","published_at":"2026-09-25T14:51:57.000Z","date":"2026-09-11","kind":"exercise","planned":false,"acquired":false,"shares":205378,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Each bridge note provided that, upon a qualified equity financing of the Issuer, the Reporting Person could elect to convert the full balance of the note (principal and accrued interest) into the equity securities sold in such financing at the per-unit price paid by the purchasers in the financing. Because the conversion price was not fixed until the closing of the Private Placement, the notes were not derivative securities prior to that date pursuant to Rule 16a-1(c)(6). The conversion price became fixed at $1.05 per share upon the closing of the Private Placement on September 11, 2026, and the Reporting Person converted the full balance of each note on that date."},{"field":"kind","element":"transactionCoding","label":"F4","text":"Each bridge note provided that, upon a qualified equity financing of the Issuer, the Reporting Person could elect to convert the full balance of the note (principal and accrued interest) into the equity securities sold in such financing at the per-unit price paid by the purchasers in the financing. Because the conversion price was not fixed until the closing of the Private Placement, the notes were not derivative securities prior to that date pursuant to Rule 16a-1(c)(6). The conversion price became fixed at $1.05 per share upon the closing of the Private Placement on September 11, 2026, and the Reporting Person converted the full balance of each note on that date."},{"field":"shares","element":"transactionShares","label":"F5","text":"Represents the outstanding principal and accrued interest on the note as of September 11, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Each bridge note provided that, upon a qualified equity financing of the Issuer, the Reporting Person could elect to convert the full balance of the note (principal and accrued interest) into the equity securities sold in such financing at the per-unit price paid by the purchasers in the financing. Because the conversion price was not fixed until the closing of the Private Placement, the notes were not derivative securities prior to that date pursuant to Rule 16a-1(c)(6). The conversion price became fixed at $1.05 per share upon the closing of the Private Placement on September 11, 2026, and the Reporting Person converted the full balance of each note on that date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The notes were convertible upon the closing of a qualified equity financing and were scheduled to mature on the earlier of the closing of the Issuer's next capital raise with gross proceeds of at least $5,000,000 or the first anniversary of the note's issue date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"The notes were convertible upon the closing of a qualified equity financing and were scheduled to mature on the earlier of the closing of the Issuer's next capital raise with gross proceeds of at least $5,000,000 or the first anniversary of the note's issue date."}],"balance_after":0,"derivative":{"exercise_price":1.05,"underlying":"Common Stock","underlying_shares":195598},"source":{"system":"sec-edgar","filing":"0001437749-26-031181","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1728598/000143774926031181/rdgdoc.xml","form_type":"4"}},{"id":4626703,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":24625,"kind":"person","name":"He Junli","position":1,"cik":"0001728598","reported_name":"He Junli","relationship":{"director":true,"officer":true,"officer_title":"CEO"}}],"security":"Bridge Note (04/14/2026)","published_at":"2026-09-25T14:51:57.000Z","date":"2026-09-11","kind":"exercise","planned":false,"acquired":false,"shares":310000,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Each bridge note provided that, upon a qualified equity financing of the Issuer, the Reporting Person could elect to convert the full balance of the note (principal and accrued interest) into the equity securities sold in such financing at the per-unit price paid by the purchasers in the financing. Because the conversion price was not fixed until the closing of the Private Placement, the notes were not derivative securities prior to that date pursuant to Rule 16a-1(c)(6). The conversion price became fixed at $1.05 per share upon the closing of the Private Placement on September 11, 2026, and the Reporting Person converted the full balance of each note on that date."},{"field":"kind","element":"transactionCoding","label":"F4","text":"Each bridge note provided that, upon a qualified equity financing of the Issuer, the Reporting Person could elect to convert the full balance of the note (principal and accrued interest) into the equity securities sold in such financing at the per-unit price paid by the purchasers in the financing. Because the conversion price was not fixed until the closing of the Private Placement, the notes were not derivative securities prior to that date pursuant to Rule 16a-1(c)(6). The conversion price became fixed at $1.05 per share upon the closing of the Private Placement on September 11, 2026, and the Reporting Person converted the full balance of each note on that date."},{"field":"shares","element":"transactionShares","label":"F5","text":"Represents the outstanding principal and accrued interest on the note as of September 11, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Each bridge note provided that, upon a qualified equity financing of the Issuer, the Reporting Person could elect to convert the full balance of the note (principal and accrued interest) into the equity securities sold in such financing at the per-unit price paid by the purchasers in the financing. Because the conversion price was not fixed until the closing of the Private Placement, the notes were not derivative securities prior to that date pursuant to Rule 16a-1(c)(6). The conversion price became fixed at $1.05 per share upon the closing of the Private Placement on September 11, 2026, and the Reporting Person converted the full balance of each note on that date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The notes were convertible upon the closing of a qualified equity financing and were scheduled to mature on the earlier of the closing of the Issuer's next capital raise with gross proceeds of at least $5,000,000 or the first anniversary of the note's issue date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"The notes were convertible upon the closing of a qualified equity financing and were scheduled to mature on the earlier of the closing of the Issuer's next capital raise with gross proceeds of at least $5,000,000 or the first anniversary of the note's issue date."}],"balance_after":0,"derivative":{"exercise_price":1.05,"underlying":"Common Stock","underlying_shares":295238},"source":{"system":"sec-edgar","filing":"0001437749-26-031181","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1728598/000143774926031181/rdgdoc.xml","form_type":"4"}},{"id":4626702,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":24625,"kind":"person","name":"He Junli","position":1,"cik":"0001728598","reported_name":"He Junli","relationship":{"director":true,"officer":true,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2026-09-25T14:51:57.000Z","date":"2026-09-15","kind":"purchase","planned":false,"acquired":true,"shares":6725,"price":2.15,"value":14458.75,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions from September 15, 2026 to September 23, 2026. 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 purchased at each separate price within the range."}],"balance_after":1332930,"source":{"system":"sec-edgar","filing":"0001437749-26-031181","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1728598/000143774926031181/rdgdoc.xml","form_type":"4"}},{"id":4626701,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":24625,"kind":"person","name":"He Junli","position":1,"cik":"0001728598","reported_name":"He Junli","relationship":{"director":true,"officer":true,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2026-09-25T14:51:57.000Z","date":"2026-09-11","kind":"purchase","planned":false,"acquired":true,"shares":361905,"price":1.05,"value":380000.25,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"On September 11, 2026, the Reporting Person also purchased 361,905 shares of common stock of the Issuer in the Private Placement for an aggregate cash purchase price of $380,000, or $1.05 per share, pursuant to a Securities Purchase Agreement, dated as of September 11, 2026, between the Issuer and the Reporting Person, on the same terms as the other investors in the Private Placement."}],"balance_after":1326205,"source":{"system":"sec-edgar","filing":"0001437749-26-031181","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1728598/000143774926031181/rdgdoc.xml","form_type":"4"}},{"id":4626700,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":24625,"kind":"person","name":"He Junli","position":1,"cik":"0001728598","reported_name":"He Junli","relationship":{"director":true,"officer":true,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2026-09-25T14:51:57.000Z","date":"2026-09-11","kind":"exercise","planned":false,"acquired":true,"shares":683725,"price":1.05,"value":717911.25,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On September 11, 2026, the Issuer entered into Securities Purchase Agreements with certain investors pursuant to which the investors purchased in a private placement an aggregate of 2,703,727 shares of common stock at a purchase price of $1.05 per share (the \"Private Placement\"), which closed on September 11, 2026. Included in the Private Placement, the Reporting Person acquired 683,725 shares of common stock in exchange for the conversion and cancellation of an aggregate of $717,911 of outstanding principal and accrued interest under bridge promissory notes previously issued by the Issuer to the Reporting Person on April 14, 2026, May 13, 2026 and July 16, 2026, pursuant to a Securities Purchase Agreement, dated as of September 11, 2026, between the Issuer and the Reporting Person. The shares issued to the Reporting Person were issued at the same $1.05 per share purchase price, and the notes were cancelled in full upon the closing."}],"balance_after":964300,"source":{"system":"sec-edgar","filing":"0001437749-26-031181","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1728598/000143774926031181/rdgdoc.xml","form_type":"4"}},{"id":690823,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":24625,"kind":"person","name":"He Junli","position":1,"cik":"0001728598","reported_name":"He Junli","relationship":{"director":true,"officer":true,"officer_title":"CEO"}}],"security":"Nonqualified Stock Option (right to buy), performance-based","published_at":"2026-08-11T18:36:47.000Z","date":"2026-07-21","kind":"grant","planned":false,"acquired":true,"shares":600000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Subject to the Reporting Person's continued employment through the applicable vesting date, the performance-based portion of the nonqualified stock option vests and becomes exercisable in four milestone tranches as follows: (i) 250,000 shares upon the closing of a sale of a controlling stake in the Issuer or the listing of its common stock on a national securities exchange (Nasdaq or NYSE), whichever occurs first, following the grant date; (ii) 125,000 shares if, at any time following the Issuer's initial public offering or the listing of its common stock on a national securities exchange, the volume-weighted average price of the Issuer's common stock equals or exceeds two times (2.0x) the initial public offering price or initial listing price, or such fixed target as may be established by the Compensation Committee, e.g., $3.00 per share, for twenty (20) consecutive trading days; (iii) 125,000 shares upon the first date on which the Issuer has raised at least an additional $10,000,000"}],"balance_after":600000,"derivative":{"exercise_price":1.09,"expiration_date":"2036-07-21","underlying":"Common Stock, par value $0.01 per share","underlying_shares":600000},"source":{"system":"sec-edgar","filing":"0001437749-26-026955","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1728598/000143774926026955/rdgdoc.xml","form_type":"4"}},{"id":690822,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":24625,"kind":"person","name":"He Junli","position":1,"cik":"0001728598","reported_name":"He Junli","relationship":{"director":true,"officer":true,"officer_title":"CEO"}}],"security":"Nonqualified Stock Option (right to buy), time-based tranche","published_at":"2026-08-11T18:36:47.000Z","date":"2026-07-21","kind":"grant","planned":false,"acquired":true,"shares":600000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Subject to the Reporting Person's continued employment through each applicable vesting date, the time-based portion of the nonqualified stock option vests and becomes exercisable as follows: 100,000 shares vest upon signing of the applicable award agreement, representing vesting for the six-month period from March 1, 2026 through August 31, 2026, subject to the Reporting Person's continued employment through the date of signing. Thereafter, 16,667 shares vest on the first day of each calendar month commencing September 1, 2026, subject to the Reporting Person's continued employment with the Issuer through each applicable vesting date; provided that the final monthly installment will be adjusted as necessary so that no more than 600,000 shares vest under the time-based tranche."}],"balance_after":600000,"derivative":{"exercise_price":1.09,"expiration_date":"2036-07-21","underlying":"Common Stock, par value $0.01 per share","underlying_shares":600000},"source":{"system":"sec-edgar","filing":"0001437749-26-026955","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1728598/000143774926026955/rdgdoc.xml","form_type":"4"}},{"id":985125,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":24625,"kind":"person","name":"He Junli","position":1,"cik":"0001728598","reported_name":"He Junli","relationship":{"director":true,"officer":true,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2025-12-01T17:54:12.000Z","date":"2025-11-25","kind":"purchase","planned":false,"acquired":true,"shares":3000,"price":1.7,"value":5100.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions from November 25, 2025 to November 26, 2025. 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 purchased at each separate price within the range."}],"balance_after":280575,"source":{"system":"sec-edgar","filing":"0001437749-25-036518","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1728598/000143774925036518/rdgdoc.xml","form_type":"4"}},{"id":1029388,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":24625,"kind":"person","name":"He Junli","position":1,"cik":"0001728598","reported_name":"He Junli","relationship":{"director":true,"officer":true,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2025-10-01T21:39:33.000Z","date":"2025-09-30","kind":"purchase","planned":false,"acquired":true,"shares":300,"price":1.98,"value":594.0,"ownership":{"direct":true},"balance_after":277575,"source":{"system":"sec-edgar","filing":"0001437749-25-030204","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1728598/000143774925030204/rdgdoc.xml","form_type":"4"}},{"id":1033090,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":24625,"kind":"person","name":"He Junli","position":1,"cik":"0001728598","reported_name":"He Junli","relationship":{"director":true,"officer":true,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2025-09-24T16:33:57.000Z","date":"2025-09-02","kind":"purchase","planned":false,"acquired":true,"shares":11225,"price":1.85,"value":20766.25,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions from September 2, 2025 to September 22, 2025. 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 purchased at each separate price within the range."}],"balance_after":277275,"source":{"system":"sec-edgar","filing":"0001437749-25-029783","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1728598/000143774925029783/rdgdoc.xml","form_type":"4"}},{"id":1051478,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":24625,"kind":"person","name":"He Junli","position":1,"cik":"0001728598","reported_name":"He Junli","relationship":{"director":true,"officer":true,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2025-09-02T13:04:50.000Z","date":"2025-08-21","kind":"purchase","planned":false,"acquired":true,"shares":4050,"price":1.72,"value":6966.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions from August 21, 2025 to August 29, 2025. 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 purchased at each separate price within the range."}],"balance_after":266050,"source":{"system":"sec-edgar","filing":"0001437749-25-028095","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1728598/000143774925028095/rdgdoc.xml","form_type":"4"}},{"id":1097603,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77844,"kind":"person","name":"Zhang Mao","position":1,"cik":"0002036199","reported_name":"Zhang Mao","relationship":{"director":true}}],"security":"Stock Option (right to buy)","published_at":"2025-07-01T18:03:59.000Z","date":"2025-06-27","kind":"grant","planned":false,"acquired":true,"shares":15227,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This Stock Option was granted in lieu of cash compensation otherwise payable to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on the grant date, June 30, 2025, September 30, 2025 and December 31, 2025."}],"balance_after":15227,"derivative":{"exercise_price":1.6,"expiration_date":"2035-06-27","underlying":"Common Stock, par value $0.01 per share","underlying_shares":15227},"source":{"system":"sec-edgar","filing":"0001437749-25-021710","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000143774925021710/rdgdoc.xml","form_type":"4"}},{"id":1097602,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77844,"kind":"person","name":"Zhang Mao","position":1,"cik":"0002036199","reported_name":"Zhang Mao","relationship":{"director":true}}],"security":"Stock Option (right to buy)","published_at":"2025-07-01T18:03:59.000Z","date":"2025-06-27","kind":"grant","planned":false,"acquired":true,"shares":18590,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This Stock Option represents the annual equity grant to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on September 27, 2025, December 27, 2025, March 27, 2026 and June 27, 2026."}],"balance_after":18590,"derivative":{"exercise_price":1.6,"expiration_date":"2035-06-27","underlying":"Common Stock, par value $0.01 per share","underlying_shares":18590},"source":{"system":"sec-edgar","filing":"0001437749-25-021710","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000143774925021710/rdgdoc.xml","form_type":"4"}},{"id":1097601,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77843,"kind":"person","name":"Sanchez Herman","position":1,"cik":"0001843559","reported_name":"Sanchez Herman","relationship":{"director":true}}],"security":"Stock Option (right to buy)","published_at":"2025-07-01T18:00:36.000Z","date":"2025-06-27","kind":"grant","planned":false,"acquired":true,"shares":15227,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This Stock Option was granted in lieu of cash compensation otherwise payable to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on the grant date, June 30, 2025, September 30, 2025 and December 31, 2025."}],"balance_after":15227,"derivative":{"exercise_price":1.6,"expiration_date":"2035-06-27","underlying":"Common Stock, par value $0.01 per share","underlying_shares":15227},"source":{"system":"sec-edgar","filing":"0001437749-25-021707","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000143774925021707/rdgdoc.xml","form_type":"4"}},{"id":1097600,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77843,"kind":"person","name":"Sanchez Herman","position":1,"cik":"0001843559","reported_name":"Sanchez Herman","relationship":{"director":true}}],"security":"Stock Option (right to buy)","published_at":"2025-07-01T18:00:36.000Z","date":"2025-06-27","kind":"grant","planned":false,"acquired":true,"shares":18590,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This Stock Option represents the annual equity grant to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on September 27, 2025, December 27, 2025, March 27, 2026 and June 27, 2026."}],"balance_after":18590,"derivative":{"exercise_price":1.6,"expiration_date":"2035-06-27","underlying":"Common Stock, par value $0.01 per share","underlying_shares":18590},"source":{"system":"sec-edgar","filing":"0001437749-25-021707","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000143774925021707/rdgdoc.xml","form_type":"4"}},{"id":1097599,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77842,"kind":"person","name":"Li Ting","position":1,"cik":"0001759813","reported_name":"Li Ting","relationship":{"director":true}}],"security":"Stock Option (right to buy)","published_at":"2025-07-01T17:58:48.000Z","date":"2025-06-27","kind":"grant","planned":false,"acquired":true,"shares":15227,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This Stock Option was granted in lieu of cash compensation otherwise payable to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on the grant date, June 30, 2025, September 30, 2025 and December 31, 2025."}],"balance_after":15227,"derivative":{"exercise_price":1.6,"expiration_date":"2035-06-27","underlying":"Common Stock, par value $0.01 per share","underlying_shares":15227},"source":{"system":"sec-edgar","filing":"0001437749-25-021705","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000143774925021705/rdgdoc.xml","form_type":"4"}},{"id":1097598,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77842,"kind":"person","name":"Li Ting","position":1,"cik":"0001759813","reported_name":"Li Ting","relationship":{"director":true}}],"security":"Stock Option (right to buy)","published_at":"2025-07-01T17:58:48.000Z","date":"2025-06-27","kind":"grant","planned":false,"acquired":true,"shares":18590,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This Stock Option represents the annual equity grant to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on September 27, 2025, December 27, 2025, March 27, 2026 and June 27, 2026."}],"balance_after":18590,"derivative":{"exercise_price":1.6,"expiration_date":"2035-06-27","underlying":"Common Stock, par value $0.01 per share","underlying_shares":18590},"source":{"system":"sec-edgar","filing":"0001437749-25-021705","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000143774925021705/rdgdoc.xml","form_type":"4"}},{"id":1097597,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77841,"kind":"person","name":"Chen Jing","position":1,"cik":"0001727177","reported_name":"Chen Jing","relationship":{"director":true}}],"security":"Stock Option (right to buy)","published_at":"2025-07-01T17:54:41.000Z","date":"2025-06-27","kind":"grant","planned":false,"acquired":true,"shares":15227,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This Stock Option was granted in lieu of cash compensation otherwise payable to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on the grant date, June 30, 2025, September 30, 2025 and December 31, 2025."}],"balance_after":15227,"derivative":{"exercise_price":1.6,"expiration_date":"2035-06-27","underlying":"Common Stock, par value $0.01 per share","underlying_shares":15227},"source":{"system":"sec-edgar","filing":"0001437749-25-021701","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000143774925021701/rdgdoc.xml","form_type":"4"}},{"id":1097596,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77841,"kind":"person","name":"Chen Jing","position":1,"cik":"0001727177","reported_name":"Chen Jing","relationship":{"director":true}}],"security":"Stock Option (right to buy)","published_at":"2025-07-01T17:54:41.000Z","date":"2025-06-27","kind":"grant","planned":false,"acquired":true,"shares":18590,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This Stock Option represents the annual equity grant to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on September 27, 2025, December 27, 2025, March 27, 2026 and June 27, 2026."}],"balance_after":18590,"derivative":{"exercise_price":1.6,"expiration_date":"2035-06-27","underlying":"Common Stock, par value $0.01 per share","underlying_shares":18590},"source":{"system":"sec-edgar","filing":"0001437749-25-021701","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000143774925021701/rdgdoc.xml","form_type":"4"}},{"id":1097618,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77846,"kind":"person","name":"Shmerling James E.","position":1,"cik":"0001505051","reported_name":"Shmerling James E.","relationship":{"director":true}}],"security":"Stock Option (right to buy)","published_at":"2025-07-01T14:03:07.000Z","date":"2025-06-27","kind":"grant","planned":false,"acquired":true,"shares":15227,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This Stock Option was granted in lieu of cash compensation otherwise payable to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on the grant date, June 30, 2025, September 30, 2025 and December 31, 2025."}],"balance_after":15227,"derivative":{"exercise_price":1.6,"expiration_date":"2035-06-27","underlying":"Common Stock, par value $0.01 per share","underlying_shares":15227},"source":{"system":"sec-edgar","filing":"0001437749-25-021708","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1505051/000143774925021708/rdgdoc.xml","form_type":"4"}},{"id":1097617,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77846,"kind":"person","name":"Shmerling James E.","position":1,"cik":"0001505051","reported_name":"Shmerling James E.","relationship":{"director":true}}],"security":"Stock Option (right to buy)","published_at":"2025-07-01T14:03:07.000Z","date":"2025-06-27","kind":"grant","planned":false,"acquired":true,"shares":18590,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This Stock Option represents the annual equity grant to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on September 27, 2025, December 27, 2025, March 27, 2026 and June 27, 2026."}],"balance_after":18590,"derivative":{"exercise_price":1.6,"expiration_date":"2035-06-27","underlying":"Common Stock, par value $0.01 per share","underlying_shares":18590},"source":{"system":"sec-edgar","filing":"0001437749-25-021708","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1505051/000143774925021708/rdgdoc.xml","form_type":"4"}},{"id":1097748,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77856,"kind":"person","name":"Packard Ronald J","position":1,"cik":"0001420478","reported_name":"Packard Ronald J","relationship":{"director":true}}],"security":"Stock Option (right to buy)","published_at":"2025-07-01T13:59:39.000Z","date":"2025-06-27","kind":"grant","planned":false,"acquired":true,"shares":15227,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This Stock Option was granted in lieu of cash compensation otherwise payable to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on the grant date, June 30, 2025, September 30, 2025 and December 31, 2025."}],"balance_after":15227,"derivative":{"exercise_price":1.6,"expiration_date":"2035-06-27","underlying":"Common Stock, par value $0.01 per share","underlying_shares":15227},"source":{"system":"sec-edgar","filing":"0001437749-25-021706","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1420478/000143774925021706/rdgdoc.xml","form_type":"4"}},{"id":1097747,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77856,"kind":"person","name":"Packard Ronald J","position":1,"cik":"0001420478","reported_name":"Packard Ronald J","relationship":{"director":true}}],"security":"Stock Option (right to buy)","published_at":"2025-07-01T13:59:39.000Z","date":"2025-06-27","kind":"grant","planned":false,"acquired":true,"shares":18590,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This Stock Option represents the annual equity grant to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on September 27, 2025, December 27, 2025, March 27, 2026 and June 27, 2026."}],"balance_after":18590,"derivative":{"exercise_price":1.6,"expiration_date":"2035-06-27","underlying":"Common Stock, par value $0.01 per share","underlying_shares":18590},"source":{"system":"sec-edgar","filing":"0001437749-25-021706","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1420478/000143774925021706/rdgdoc.xml","form_type":"4"}},{"id":1098458,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77924,"kind":"person","name":"GREEN DAVID","position":1,"cik":"0001008643","reported_name":"GREEN DAVID","relationship":{"director":true}}],"security":"Stock Option (right to buy)","published_at":"2025-07-01T13:57:59.000Z","date":"2025-06-27","kind":"grant","planned":false,"acquired":true,"shares":15227,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This Stock Option was granted in lieu of cash compensation otherwise payable to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on the grant date, June 30, 2025, September 30, 2025 and December 31, 2025."}],"balance_after":15227,"derivative":{"exercise_price":1.6,"expiration_date":"2035-06-27","underlying":"Common Stock, par value $0.01 per share","underlying_shares":15227},"source":{"system":"sec-edgar","filing":"0001437749-25-021704","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1008643/000143774925021704/rdgdoc.xml","form_type":"4"}},{"id":1098457,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77924,"kind":"person","name":"GREEN DAVID","position":1,"cik":"0001008643","reported_name":"GREEN DAVID","relationship":{"director":true}}],"security":"Stock Option (right to buy)","published_at":"2025-07-01T13:57:59.000Z","date":"2025-06-27","kind":"grant","planned":false,"acquired":true,"shares":18590,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This Stock Option represents the annual equity grant to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on September 27, 2025, December 27, 2025, March 27, 2026 and June 27, 2026."}],"balance_after":18590,"derivative":{"exercise_price":1.6,"expiration_date":"2035-06-27","underlying":"Common Stock, par value $0.01 per share","underlying_shares":18590},"source":{"system":"sec-edgar","filing":"0001437749-25-021704","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1008643/000143774925021704/rdgdoc.xml","form_type":"4"}},{"id":1318713,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":24625,"kind":"person","name":"He Junli","position":1,"cik":"0001728598","reported_name":"He Junli","relationship":{"director":true,"officer":true,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2025-01-02T13:58:00.000Z","date":"2024-12-24","kind":"purchase","planned":false,"acquired":true,"shares":2299,"price":2.87,"value":6598.13,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions from December 24, 2024 to December 30, 2024. 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 purchased at each separate price within the range."}],"balance_after":262000,"source":{"system":"sec-edgar","filing":"0001437749-25-000007","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1728598/000143774925000007/rdgdoc.xml","form_type":"4"}},{"id":1398874,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77844,"kind":"person","name":"Zhang Mao","position":1,"cik":"0002036199","reported_name":"Zhang Mao","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2024-09-26T13:33:23.000Z","date":"2024-09-03","kind":"grant","planned":false,"acquired":true,"shares":7198,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This Stock Option represents the annual equity grant to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on December 3, 2024, March 3, 2025, June 3, 2025 and September 3, 2025."}],"balance_after":7198,"derivative":{"exercise_price":4.12,"expiration_date":"2034-09-03","underlying":"Common Stock, par value $0.01 per share","underlying_shares":7198},"source":{"system":"sec-edgar","filing":"0001493152-24-038228","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000149315224038228/ownership.xml","form_type":"4"}},{"id":1408691,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":24625,"kind":"person","name":"He Junli","position":1,"cik":"0001728598","reported_name":"He Junli","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2024-09-12T19:23:32.000Z","date":"2024-08-27","kind":"purchase","planned":false,"acquired":true,"shares":5101,"price":3.37,"value":17190.37,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions from August 27, 2024 to September 6, 2024. 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 purchased at each separate price within the range."}],"balance_after":259701,"source":{"system":"sec-edgar","filing":"0001493152-24-036024","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1728598/000149315224036024/ownership.xml","form_type":"4"}},{"id":1438502,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":88450,"kind":"organization","name":"DST Capital LLC","position":1,"cik":"0001727656","reported_name":"DST Capital LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Warrants (right to buy)","published_at":"2024-08-07T22:29:38.000Z","date":"2024-07-31","kind":"other","planned":false,"acquired":true,"shares":140000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These warrants were transferred by the Reporting Person to two unaffiliated persons."}],"balance_after":0,"derivative":{"exercise_price":2,"exercise_date":"2021-09-01","expiration_date":"2026-09-01","underlying":"Common Stock","underlying_shares":140000},"source":{"system":"sec-edgar","filing":"0001493152-24-030621","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000149315224030621/ownership.xml","form_type":"4"}},{"id":1438501,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":88450,"kind":"organization","name":"DST Capital LLC","position":1,"cik":"0001727656","reported_name":"DST Capital LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Warrants (right to buy)","published_at":"2024-08-07T22:29:38.000Z","date":"2024-07-31","kind":"other","planned":false,"acquired":true,"shares":25000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"These warrants were transferred by the Reporting Person to one unaffiliated person."}],"balance_after":0,"derivative":{"exercise_price":2,"exercise_date":"2021-06-17","expiration_date":"2026-06-17","underlying":"Common Stock","underlying_shares":25000},"source":{"system":"sec-edgar","filing":"0001493152-24-030621","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000149315224030621/ownership.xml","form_type":"4"}},{"id":1438500,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":88450,"kind":"organization","name":"DST Capital LLC","position":1,"cik":"0001727656","reported_name":"DST Capital LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Warrants (right to buy)","published_at":"2024-08-07T22:29:38.000Z","date":"2024-07-08","kind":"other","planned":false,"acquired":true,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These warrants were transferred by the Reporting Person to two unaffiliated persons."}],"balance_after":25000,"derivative":{"exercise_price":2,"exercise_date":"2021-06-17","expiration_date":"2026-06-17","underlying":"Common Stock","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0001493152-24-030621","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000149315224030621/ownership.xml","form_type":"4"}},{"id":1454429,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77842,"kind":"person","name":"Li Ting","position":1,"cik":"0001759813","reported_name":"Li Ting","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2024-07-15T15:12:54.000Z","date":"2024-06-27","kind":"grant","planned":false,"acquired":true,"shares":8215,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This Stock Option was granted in lieu of cash compensation otherwise payable to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on the grant date, June 30, 2024, September 30, 2024 and December 31, 2024."}],"balance_after":8215,"derivative":{"exercise_price":2.92,"expiration_date":"2034-06-27","underlying":"Common Stock, par value $0.01 per share","underlying_shares":8215},"source":{"system":"sec-edgar","filing":"0001493152-24-027257","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000149315224027257/ownership.xml","form_type":"4"}},{"id":1454428,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77842,"kind":"person","name":"Li Ting","position":1,"cik":"0001759813","reported_name":"Li Ting","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2024-07-15T15:12:54.000Z","date":"2024-06-27","kind":"grant","planned":false,"acquired":true,"shares":10204,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This Stock Option represents the annual equity grant to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on September 27, 2024, December 27, 2024, March 27, 2025 and June 27, 2025."}],"balance_after":10204,"derivative":{"exercise_price":2.92,"expiration_date":"2034-06-27","underlying":"Common Stock, par value $0.01 per share","underlying_shares":10204},"source":{"system":"sec-edgar","filing":"0001493152-24-027257","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000149315224027257/ownership.xml","form_type":"4"}},{"id":1454427,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77843,"kind":"person","name":"Sanchez Herman","position":1,"cik":"0001843559","reported_name":"Sanchez Herman","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2024-07-15T15:10:43.000Z","date":"2024-06-27","kind":"grant","planned":false,"acquired":true,"shares":8215,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This Stock Option was granted in lieu of cash compensation otherwise payable to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on the grant date, June 30, 2024, September 30, 2024 and December 31, 2024."}],"balance_after":8215,"derivative":{"exercise_price":2.92,"expiration_date":"2034-06-27","underlying":"Common Stock, par value $0.01 per share","underlying_shares":8215},"source":{"system":"sec-edgar","filing":"0001493152-24-027253","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000149315224027253/ownership.xml","form_type":"4"}},{"id":1454426,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77843,"kind":"person","name":"Sanchez Herman","position":1,"cik":"0001843559","reported_name":"Sanchez Herman","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2024-07-15T15:10:43.000Z","date":"2024-06-27","kind":"grant","planned":false,"acquired":true,"shares":10204,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This Stock Option represents the annual equity grant to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on September 27, 2024, December 27, 2024, March 27, 2025 and June 27, 2025."}],"balance_after":10204,"derivative":{"exercise_price":2.92,"expiration_date":"2034-06-27","underlying":"Common Stock, par value $0.01 per share","underlying_shares":10204},"source":{"system":"sec-edgar","filing":"0001493152-24-027253","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000149315224027253/ownership.xml","form_type":"4"}},{"id":1454425,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77841,"kind":"person","name":"Chen Jing","position":1,"cik":"0001727177","reported_name":"Chen Jing","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2024-07-15T15:07:34.000Z","date":"2024-06-27","kind":"grant","planned":false,"acquired":true,"shares":8215,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This Stock Option was granted in lieu of cash compensation otherwise payable to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on the grant date, June 30, 2024, September 30, 2024 and December 31, 2024."}],"balance_after":8215,"derivative":{"exercise_price":2.92,"expiration_date":"2034-06-27","underlying":"Common Stock, par value $0.01 per share","underlying_shares":8215},"source":{"system":"sec-edgar","filing":"0001493152-24-027249","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000149315224027249/ownership.xml","form_type":"4"}},{"id":1454424,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77841,"kind":"person","name":"Chen Jing","position":1,"cik":"0001727177","reported_name":"Chen Jing","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2024-07-15T15:07:34.000Z","date":"2024-06-27","kind":"grant","planned":false,"acquired":true,"shares":10204,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This Stock Option represents the annual equity grant to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on September 27, 2024, December 27, 2024, March 27, 2025 and June 27, 2025."}],"balance_after":10204,"derivative":{"exercise_price":2.92,"expiration_date":"2034-06-27","underlying":"Common Stock, par value $0.01 per share","underlying_shares":10204},"source":{"system":"sec-edgar","filing":"0001493152-24-027249","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000149315224027249/ownership.xml","form_type":"4"}},{"id":1454501,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77856,"kind":"person","name":"Packard Ronald J","position":1,"cik":"0001420478","reported_name":"Packard Ronald J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2024-07-15T11:14:19.000Z","date":"2024-06-27","kind":"grant","planned":false,"acquired":true,"shares":8215,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This Stock Option was granted in lieu of cash compensation otherwise payable to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on the grant date, June 30, 2024, September 30, 2024 and December 31, 2024."}],"balance_after":8215,"derivative":{"exercise_price":2.92,"expiration_date":"2034-06-27","underlying":"Common Stock, par value $0.01 per share","underlying_shares":8215},"source":{"system":"sec-edgar","filing":"0001493152-24-027259","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1420478/000149315224027259/ownership.xml","form_type":"4"}},{"id":1454500,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77856,"kind":"person","name":"Packard Ronald J","position":1,"cik":"0001420478","reported_name":"Packard Ronald J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2024-07-15T11:14:19.000Z","date":"2024-06-27","kind":"grant","planned":false,"acquired":true,"shares":10204,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This Stock Option represents the annual equity grant to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on September 27, 2024, December 27, 2024, March 27, 2025 and June 27, 2025."}],"balance_after":10204,"derivative":{"exercise_price":2.92,"expiration_date":"2034-06-27","underlying":"Common Stock, par value $0.01 per share","underlying_shares":10204},"source":{"system":"sec-edgar","filing":"0001493152-24-027259","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1420478/000149315224027259/ownership.xml","form_type":"4"}},{"id":1454440,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77846,"kind":"person","name":"Shmerling James E.","position":1,"cik":"0001505051","reported_name":"Shmerling James E.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2024-07-15T11:11:50.000Z","date":"2024-06-27","kind":"grant","planned":false,"acquired":true,"shares":8215,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This Stock Option was granted in lieu of cash compensation otherwise payable to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on the grant date, June 30, 2024, September 30, 2024 and December 31, 2024."}],"balance_after":8215,"derivative":{"exercise_price":2.92,"expiration_date":"2034-06-27","underlying":"Common Stock, par value $0.01 per share","underlying_shares":8215},"source":{"system":"sec-edgar","filing":"0001493152-24-027255","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1505051/000149315224027255/ownership.xml","form_type":"4"}},{"id":1454439,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77846,"kind":"person","name":"Shmerling James E.","position":1,"cik":"0001505051","reported_name":"Shmerling James E.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2024-07-15T11:11:50.000Z","date":"2024-06-27","kind":"grant","planned":false,"acquired":true,"shares":10204,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This Stock Option represents the annual equity grant to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on September 27, 2024, December 27, 2024, March 27, 2025 and June 27, 2025."}],"balance_after":10204,"derivative":{"exercise_price":2.92,"expiration_date":"2034-06-27","underlying":"Common Stock, par value $0.01 per share","underlying_shares":10204},"source":{"system":"sec-edgar","filing":"0001493152-24-027255","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1505051/000149315224027255/ownership.xml","form_type":"4"}},{"id":1454854,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77924,"kind":"person","name":"GREEN DAVID","position":1,"cik":"0001008643","reported_name":"GREEN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2024-07-15T11:09:35.000Z","date":"2024-06-27","kind":"grant","planned":false,"acquired":true,"shares":8215,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This Stock Option was granted in lieu of cash compensation otherwise payable to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on the grant date, June 30, 2024, September 30, 2024 and December 31, 2024."}],"balance_after":8215,"derivative":{"exercise_price":2.92,"expiration_date":"2034-06-27","underlying":"Common Stock, par value $0.01 per share","underlying_shares":8215},"source":{"system":"sec-edgar","filing":"0001493152-24-027251","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1008643/000149315224027251/ownership.xml","form_type":"4"}},{"id":1454853,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77924,"kind":"person","name":"GREEN DAVID","position":1,"cik":"0001008643","reported_name":"GREEN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2024-07-15T11:09:35.000Z","date":"2024-06-27","kind":"grant","planned":false,"acquired":true,"shares":10204,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This Stock Option represents the annual equity grant to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on September 27, 2024, December 27, 2024, March 27, 2025 and June 27, 2025."}],"balance_after":10204,"derivative":{"exercise_price":2.92,"expiration_date":"2034-06-27","underlying":"Common Stock, par value $0.01 per share","underlying_shares":10204},"source":{"system":"sec-edgar","filing":"0001493152-24-027251","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1008643/000149315224027251/ownership.xml","form_type":"4"}},{"id":1463119,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":24625,"kind":"person","name":"He Junli","position":1,"cik":"0001728598","reported_name":"He Junli","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2024-07-02T15:47:26.000Z","date":"2024-06-21","kind":"purchase","planned":false,"acquired":true,"shares":1600,"price":2.8,"value":4480.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions from June 21, 2024 to June 27, 2024. 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 purchased at each separate price within the range."}],"balance_after":254600,"source":{"system":"sec-edgar","filing":"0001493152-24-025927","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1728598/000149315224025927/ownership.xml","form_type":"4"}},{"id":1680026,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":24625,"kind":"person","name":"He Junli","position":1,"cik":"0001728598","reported_name":"He Junli","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Stock Option (right to buy)","published_at":"2024-01-13T01:09:59.000Z","date":"2024-01-11","kind":"grant","planned":false,"acquired":true,"shares":220640,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Subject to continued employment or service through the applicable vesting dates, up to 220,640 shall vest in two increments, each for 110,320 shares, each such vesting subject to certain performance milestones set by the Board of Directors of the Issuer."}],"balance_after":220640,"derivative":{"exercise_price":4.07,"expiration_date":"2034-01-11","underlying":"Common Stock, par value $0.01 per share","underlying_shares":220640},"source":{"system":"sec-edgar","filing":"0001493152-24-002276","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1728598/000149315224002276/ownership.xml","form_type":"4"}},{"id":1692683,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":24625,"kind":"person","name":"He Junli","position":1,"cik":"0001728598","reported_name":"He Junli","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2024-01-03T16:48:16.000Z","date":"2023-12-27","kind":"purchase","planned":false,"acquired":true,"shares":2700,"price":4.76,"value":12852.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions from December 27, 2023 to December 29, 2023. 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 purchased at each separate price within the range."}],"balance_after":253000,"source":{"system":"sec-edgar","filing":"0001493152-24-000226","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1728598/000149315224000226/ownership.xml","form_type":"4"}},{"id":1707346,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":24625,"kind":"person","name":"He Junli","position":1,"cik":"0001728598","reported_name":"He Junli","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2023-12-18T22:30:24.000Z","date":"2023-12-14","kind":"purchase","planned":false,"acquired":true,"shares":900,"price":4.92,"value":4428.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions from December 14, 2023 to December 15, 2023. 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 purchased at each separate price within the range."}],"balance_after":250300,"source":{"system":"sec-edgar","filing":"0001493152-23-045302","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1728598/000149315223045302/ownership.xml","form_type":"4"}},{"id":1716341,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":24625,"kind":"person","name":"He Junli","position":1,"cik":"0001728598","reported_name":"He Junli","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2023-12-11T19:04:40.000Z","date":"2023-12-06","kind":"purchase","planned":false,"acquired":true,"shares":1500,"price":5.07,"value":7605.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions from December 6, 2023 to December 8, 2023. 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 purchased at each separate price within the range."}],"balance_after":249400,"source":{"system":"sec-edgar","filing":"0001493152-23-044357","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1728598/000149315223044357/ownership.xml","form_type":"4"}},{"id":1778958,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":24625,"kind":"person","name":"He Junli","position":1,"cik":"0001728598","reported_name":"He Junli","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2023-09-18T14:04:05.000Z","date":"2023-09-11","kind":"purchase","planned":false,"acquired":true,"shares":1500,"price":5.43,"value":8145.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions from September 11, 2023 to September 15, 2023. 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 purchased at each separate price within the range."}],"balance_after":247900,"source":{"system":"sec-edgar","filing":"0001493152-23-032876","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1728598/000149315223032876/ownership.xml","form_type":"4"}},{"id":1789291,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":24625,"kind":"person","name":"He Junli","position":1,"cik":"0001728598","reported_name":"He Junli","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2023-09-05T11:43:16.000Z","date":"2023-08-28","kind":"purchase","planned":false,"acquired":true,"shares":3400,"price":4.69,"value":15946.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions from August 28, 2023 to September 1, 2023. 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 purchased at each separate price within the range."}],"balance_after":246400,"source":{"system":"sec-edgar","filing":"0001493152-23-031566","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1728598/000149315223031566/ownership.xml","form_type":"4"}},{"id":1795337,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":24625,"kind":"person","name":"He Junli","position":1,"cik":"0001728598","reported_name":"He Junli","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2023-08-28T14:13:19.000Z","date":"2023-08-18","kind":"purchase","planned":false,"acquired":true,"shares":8000,"price":4.32,"value":34560.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions from August 18, 2023 to August 25, 2023. 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 purchased at each separate price within the range."}],"balance_after":243000,"source":{"system":"sec-edgar","filing":"0001493152-23-030317","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1728598/000149315223030317/ownership.xml","form_type":"4"}},{"id":1798447,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77846,"kind":"person","name":"Shmerling James E.","position":1,"cik":"0001505051","reported_name":"Shmerling James E.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-08-23T20:14:55.000Z","date":"2023-08-21","kind":"purchase","planned":false,"acquired":true,"shares":6864,"price":4.35,"value":29858.4,"ownership":{"direct":true},"balance_after":23756,"source":{"system":"sec-edgar","filing":"0001493152-23-030013","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1505051/000149315223030013/ownership.xml","form_type":"4"}},{"id":1821362,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77841,"kind":"person","name":"Chen Jing","position":1,"cik":"0001727177","reported_name":"Chen Jing","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2023-07-28T20:00:31.000Z","date":"2023-07-26","kind":"grant","planned":false,"acquired":true,"shares":5819,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This Stock Option was granted in lieu of cash compensation otherwise payable to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on the grant date, September 30, 2023, December 31, 2023 and March 31, 2024."}],"balance_after":5819,"derivative":{"exercise_price":4.1,"expiration_date":"2033-07-26","underlying":"Common Stock, par value $0.01 per share","underlying_shares":5819},"source":{"system":"sec-edgar","filing":"0001493152-23-025858","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000149315223025858/ownership.xml","form_type":"4"}},{"id":1821361,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77841,"kind":"person","name":"Chen Jing","position":1,"cik":"0001727177","reported_name":"Chen Jing","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2023-07-28T20:00:31.000Z","date":"2023-07-26","kind":"grant","planned":false,"acquired":true,"shares":7269,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This Stock Option represents the annual equity grant to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on October 26, 2023, January 26, 2024, April 26, 2024 and July 26, 2024."}],"balance_after":7269,"derivative":{"exercise_price":4.1,"expiration_date":"2033-07-26","underlying":"Common Stock, par value $0.01 per share","underlying_shares":7269},"source":{"system":"sec-edgar","filing":"0001493152-23-025858","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000149315223025858/ownership.xml","form_type":"4"}},{"id":1821360,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77843,"kind":"person","name":"Sanchez Herman","position":1,"cik":"0001843559","reported_name":"Sanchez Herman","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2023-07-28T20:00:30.000Z","date":"2023-07-26","kind":"grant","planned":false,"acquired":true,"shares":5819,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This Stock Option was granted in lieu of cash compensation otherwise payable to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on the grant date, September 30, 2023, December 31, 2023 and March 31, 2024."}],"balance_after":5819,"derivative":{"exercise_price":4.1,"expiration_date":"2033-07-26","underlying":"Common Stock, par value $0.01 per share","underlying_shares":5819},"source":{"system":"sec-edgar","filing":"0001493152-23-025856","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000149315223025856/ownership.xml","form_type":"4"}},{"id":1821359,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77843,"kind":"person","name":"Sanchez Herman","position":1,"cik":"0001843559","reported_name":"Sanchez Herman","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2023-07-28T20:00:30.000Z","date":"2023-07-26","kind":"grant","planned":false,"acquired":true,"shares":7269,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This Stock Option represents the annual equity grant to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on October 26, 2023, January 26, 2024, April 26, 2024 and July 26, 2024."}],"balance_after":7269,"derivative":{"exercise_price":4.1,"expiration_date":"2033-07-26","underlying":"Common Stock, par value $0.01 per share","underlying_shares":7269},"source":{"system":"sec-edgar","filing":"0001493152-23-025856","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000149315223025856/ownership.xml","form_type":"4"}},{"id":1821358,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77842,"kind":"person","name":"Li Ting","position":1,"cik":"0001759813","reported_name":"Li Ting","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2023-07-28T20:00:26.000Z","date":"2023-07-26","kind":"grant","planned":false,"acquired":true,"shares":5819,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This Stock Option was granted in lieu of cash compensation otherwise payable to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on the grant date, September 30, 2023, December 31, 2023 and March 31, 2024."}],"balance_after":5819,"derivative":{"exercise_price":4.1,"expiration_date":"2033-07-26","underlying":"Common Stock, par value $0.01 per share","underlying_shares":5819},"source":{"system":"sec-edgar","filing":"0001493152-23-025857","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000149315223025857/ownership.xml","form_type":"4"}},{"id":1821357,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77842,"kind":"person","name":"Li Ting","position":1,"cik":"0001759813","reported_name":"Li Ting","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2023-07-28T20:00:26.000Z","date":"2023-07-26","kind":"grant","planned":false,"acquired":true,"shares":7269,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This Stock Option represents the annual equity grant to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on October 26, 2023, January 26, 2024, April 26, 2024 and July 26, 2024."}],"balance_after":7269,"derivative":{"exercise_price":4.1,"expiration_date":"2033-07-26","underlying":"Common Stock, par value $0.01 per share","underlying_shares":7269},"source":{"system":"sec-edgar","filing":"0001493152-23-025857","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000149315223025857/ownership.xml","form_type":"4"}},{"id":1821374,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77846,"kind":"person","name":"Shmerling James E.","position":1,"cik":"0001505051","reported_name":"Shmerling James E.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2023-07-28T16:00:22.000Z","date":"2023-07-26","kind":"grant","planned":false,"acquired":true,"shares":5819,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This Stock Option was granted in lieu of cash compensation otherwise payable to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on the grant date, September 30, 2023, December 31, 2023 and March 31, 2024."}],"balance_after":5819,"derivative":{"exercise_price":4.1,"expiration_date":"2033-07-26","underlying":"Common Stock, par value $0.01 per share","underlying_shares":5819},"source":{"system":"sec-edgar","filing":"0001493152-23-025855","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1505051/000149315223025855/ownership.xml","form_type":"4"}},{"id":1821373,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77846,"kind":"person","name":"Shmerling James E.","position":1,"cik":"0001505051","reported_name":"Shmerling James E.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2023-07-28T16:00:22.000Z","date":"2023-07-26","kind":"grant","planned":false,"acquired":true,"shares":7269,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This Stock Option represents the annual equity grant to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on October 26, 2023, January 26, 2024, April 26, 2024 and July 26, 2024."}],"balance_after":7269,"derivative":{"exercise_price":4.1,"expiration_date":"2033-07-26","underlying":"Common Stock, par value $0.01 per share","underlying_shares":7269},"source":{"system":"sec-edgar","filing":"0001493152-23-025855","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1505051/000149315223025855/ownership.xml","form_type":"4"}},{"id":1821428,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77856,"kind":"person","name":"Packard Ronald J","position":1,"cik":"0001420478","reported_name":"Packard Ronald J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2023-07-28T16:00:21.000Z","date":"2023-07-26","kind":"grant","planned":false,"acquired":true,"shares":5819,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This Stock Option was granted in lieu of cash compensation otherwise payable to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on the grant date, September 30, 2023, December 31, 2023 and March 31, 2024."}],"balance_after":5819,"derivative":{"exercise_price":4.1,"expiration_date":"2033-07-26","underlying":"Common Stock, par value $0.01 per share","underlying_shares":5819},"source":{"system":"sec-edgar","filing":"0001493152-23-025854","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1420478/000149315223025854/ownership.xml","form_type":"4"}},{"id":1821427,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77856,"kind":"person","name":"Packard Ronald J","position":1,"cik":"0001420478","reported_name":"Packard Ronald J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2023-07-28T16:00:21.000Z","date":"2023-07-26","kind":"grant","planned":false,"acquired":true,"shares":7269,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This Stock Option represents the annual equity grant to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on October 26, 2023, January 26, 2024, April 26, 2024 and July 26, 2024."}],"balance_after":7269,"derivative":{"exercise_price":4.1,"expiration_date":"2033-07-26","underlying":"Common Stock, par value $0.01 per share","underlying_shares":7269},"source":{"system":"sec-edgar","filing":"0001493152-23-025854","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1420478/000149315223025854/ownership.xml","form_type":"4"}},{"id":1821675,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77924,"kind":"person","name":"GREEN DAVID","position":1,"cik":"0001008643","reported_name":"GREEN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2023-07-28T16:00:20.000Z","date":"2023-07-26","kind":"grant","planned":false,"acquired":true,"shares":5819,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This Stock Option was granted in lieu of cash compensation otherwise payable to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on the grant date, September 30, 2023, December 31, 2023 and March 31, 2024."}],"balance_after":5819,"derivative":{"exercise_price":4.1,"expiration_date":"2033-07-26","underlying":"Common Stock, par value $0.01 per share","underlying_shares":5819},"source":{"system":"sec-edgar","filing":"0001493152-23-025853","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1008643/000149315223025853/ownership.xml","form_type":"4"}},{"id":1821674,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77924,"kind":"person","name":"GREEN DAVID","position":1,"cik":"0001008643","reported_name":"GREEN DAVID","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2023-07-28T16:00:20.000Z","date":"2023-07-26","kind":"grant","planned":false,"acquired":true,"shares":7269,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This Stock Option represents the annual equity grant to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on October 26, 2023, January 26, 2024, April 26, 2024 and July 26, 2024."}],"balance_after":7269,"derivative":{"exercise_price":4.1,"expiration_date":"2033-07-26","underlying":"Common Stock, par value $0.01 per share","underlying_shares":7269},"source":{"system":"sec-edgar","filing":"0001493152-23-025853","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1008643/000149315223025853/ownership.xml","form_type":"4"}},{"id":1832255,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":24625,"kind":"person","name":"He Junli","position":1,"cik":"0001728598","reported_name":"He Junli","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Stock Option (right to buy)","published_at":"2023-07-10T19:47:44.000Z","date":"2023-04-10","kind":"grant","planned":false,"acquired":true,"shares":267616,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On April 12, 2023, the Reporting Person filed a Form 4 (the \"Original Form 4\"), which noted a stock option (right to buy) of 488,256 shares (also known as milestone options) of Biostage, Inc. On July 10, 2023, the Issuer and Reporting Person amended and corrected such option amount to 267,616 shares. This amendment is being filed to amend and restate the reporting of those stock options to report the corrected amount. Subject to continued employment or service through the applicable vesting dates, up to 267,616 shall vest in two increments, each for 133,808 shares, each such vesting subject to certain performance milestones set by the Board of Directors of the Issuer."}],"balance_after":267616,"derivative":{"exercise_price":6.08,"expiration_date":"2033-04-10","underlying":"Common Stock, par value $0.01 per share","underlying_shares":267616},"source":{"system":"sec-edgar","filing":"0001493152-23-024107","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1728598/000149315223024107/ownership.xml","form_type":"4/A","original_submission_date":"2023-04-12"}},{"id":1908136,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77856,"kind":"person","name":"Packard Ronald J","position":1,"cik":"0001420478","reported_name":"Packard Ronald J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2023-05-02T11:52:32.000Z","date":"2023-04-12","kind":"grant","planned":false,"acquired":true,"shares":4839,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This Stock Option represents the annual equity grant to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on July 12, 2023, October 12, 2023, January 12, 2024 and April 12, 2024."}],"balance_after":4839,"derivative":{"exercise_price":6.05,"expiration_date":"2033-04-12","underlying":"Common Stock, par value $0.01 per share","underlying_shares":4839},"source":{"system":"sec-edgar","filing":"0001493152-23-015150","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1420478/000149315223015150/ownership.xml","form_type":"4"}},{"id":1921016,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":24625,"kind":"person","name":"He Junli","position":1,"cik":"0001728598","reported_name":"He Junli","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Stock Option (right to buy)","published_at":"2023-04-12T15:24:17.000Z","date":"2023-04-10","kind":"grant","planned":false,"acquired":true,"shares":488256,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Subject to continued employment or service through the applicable vesting dates, up to 488,256 shall vest in two increments, each for 244,128 shares, each such vesting subject to certain performance milestones set by the Board of Directors of the Issuer."}],"balance_after":488256,"derivative":{"exercise_price":6.08,"expiration_date":"2033-04-10","underlying":"Common Stock, par value $0.01 per share","underlying_shares":488256},"source":{"system":"sec-edgar","filing":"0001493152-23-011956","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1728598/000149315223011956/ownership.xml","form_type":"4"}},{"id":1921015,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":24625,"kind":"person","name":"He Junli","position":1,"cik":"0001728598","reported_name":"He Junli","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Stock Option (right to buy)","published_at":"2023-04-12T15:24:17.000Z","date":"2023-04-10","kind":"grant","planned":false,"acquired":true,"shares":732384,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Subject to continued employment or service through the applicable vesting dates, the non-qualified stock option will vest monthly in thirty-six equal monthly installments on each monthly anniversary of April 10, 2023."}],"balance_after":732384,"derivative":{"exercise_price":6.08,"expiration_date":"2033-04-10","underlying":"Common Stock, par value $0.01 per share","underlying_shares":732384},"source":{"system":"sec-edgar","filing":"0001493152-23-011956","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1728598/000149315223011956/ownership.xml","form_type":"4"}},{"id":1922168,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":88450,"kind":"organization","name":"DST Capital LLC","position":1,"cik":"0001727656","reported_name":"DST Capital LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Warrants (right to buy)","published_at":"2023-04-10T21:00:08.000Z","date":"2023-04-06","kind":"other","planned":false,"acquired":true,"shares":110000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"These warrants were transferred by the Reporting Person to two unaffiliated persons."}],"balance_after":140000,"derivative":{"exercise_price":2,"exercise_date":"2021-09-01","expiration_date":"2026-09-01","underlying":"Common Stock","underlying_shares":110000},"source":{"system":"sec-edgar","filing":"0001493152-23-011747","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000149315223011747/ownership.xml","form_type":"4"}},{"id":1922167,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":88450,"kind":"organization","name":"DST Capital LLC","position":1,"cik":"0001727656","reported_name":"DST Capital LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-04-10T21:00:08.000Z","date":"2023-04-06","kind":"purchase","planned":false,"acquired":true,"shares":62500,"price":6,"value":375000.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On March 31, 2023, the Issuer and the Reporting Person entered into a securities purchase agreement pursuant to which on April 6, 2023 the Reporting Person acquired 62,500 shares of the Issuer's common stock, $0.01 par value (the \"Shares\") from the Issuer in a private placement. The aggregate subscription amount paid by the Reporting Person for the Shares was $375,000."}],"balance_after":3725825,"source":{"system":"sec-edgar","filing":"0001493152-23-011747","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000149315223011747/ownership.xml","form_type":"4"}},{"id":1980846,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77924,"kind":"person","name":"GREEN DAVID","position":1,"cik":"0001008643","reported_name":"GREEN DAVID","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO as of 2/28/2023"}}],"security":"Stock Option (right to buy)","published_at":"2023-03-02T20:00:39.000Z","date":"2023-02-28","kind":"grant","acquired":true,"shares":732384,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The non-qualified stock option was scheduled to vest monthly in thirty-six equal monthly installments on each monthly anniversary of February 28, 2023, but in connection with the Issuer's transition to a new CEO as of March 1, 2023, 488,256 shares underlying this option have been forfeited, and subject to the Reporting Person's execution of a customary release, the remaining 244,128 shares will be deemed fully vested and exercisable."}],"balance_after":732384,"derivative":{"exercise_price":6,"expiration_date":"2033-02-28","underlying":"Common Stock, par value $0.01 per share","underlying_shares":732384},"source":{"system":"sec-edgar","filing":"0001493152-23-006611","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1008643/000149315223006611/ownership.xml","form_type":"4"}},{"id":1980845,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77924,"kind":"person","name":"GREEN DAVID","position":1,"cik":"0001008643","reported_name":"GREEN DAVID","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO as of 2/28/2023"}}],"security":"Stock Option (right to buy)","published_at":"2023-03-02T20:00:39.000Z","date":"2023-02-28","kind":"grant","acquired":true,"shares":38773,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The non-qualified stock option was scheduled to vest during the twelve months following the grant date, but in connection with the Issuer's transition to a new CEO as of March 1, 2023, this option has been forfeited."}],"balance_after":38773,"derivative":{"exercise_price":6,"expiration_date":"2033-02-28","underlying":"Common Stock, par value $0.01 per share","underlying_shares":38773},"source":{"system":"sec-edgar","filing":"0001493152-23-006611","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1008643/000149315223006611/ownership.xml","form_type":"4"}},{"id":1980844,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77924,"kind":"person","name":"GREEN DAVID","position":1,"cik":"0001008643","reported_name":"GREEN DAVID","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO as of 2/28/2023"}}],"security":"Stock Option (right to buy)","published_at":"2023-03-02T20:00:39.000Z","date":"2023-02-28","kind":"grant","acquired":true,"shares":39662,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This stock option grant was fully exercisable as of date of grant."}],"balance_after":39662,"derivative":{"exercise_price":6,"expiration_date":"2033-02-28","underlying":"Common Stock, par value $0.01 per share","underlying_shares":39662},"source":{"system":"sec-edgar","filing":"0001493152-23-006611","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1008643/000149315223006611/ownership.xml","form_type":"4"}},{"id":2044112,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77924,"kind":"person","name":"GREEN DAVID","position":1,"cik":"0001008643","reported_name":"GREEN DAVID","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Stock Option (right to buy)","published_at":"2023-01-27T10:52:54.000Z","date":"2023-01-25","kind":"grant","acquired":true,"shares":47651,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Subject to continued employment through the applicable vesting dates, the non-qualified stock option will vest monthly in twelve equal monthly installments on each monthly anniversary of January 25, 2023."}],"balance_after":47651,"derivative":{"exercise_price":6.46,"expiration_date":"2033-01-25","underlying":"Common Stock, par value $0.01 per share","underlying_shares":47651},"source":{"system":"sec-edgar","filing":"0001415889-23-001502","document":"form4-01272023_030146.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1008643/000141588923001502/form4-01272023_030146.xml","form_type":"4"}},{"id":2062858,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":24625,"kind":"person","name":"He Junli","position":1,"cik":"0001728598","reported_name":"He Junli","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-01-05T19:26:22.000Z","date":"2022-12-12","kind":"sale","acquired":false,"shares":135,"price":6.83,"value":922.05,"ownership":{"direct":true},"balance_after":235000,"source":{"system":"sec-edgar","filing":"0001415889-23-000497","document":"form4-01052023_070112.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1728598/000141588923000497/form4-01052023_070112.xml","form_type":"4"}},{"id":2090797,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":88450,"kind":"organization","name":"DST Capital LLC","position":1,"cik":"0001727656","reported_name":"DST Capital LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Warrants (right to buy)","published_at":"2022-12-09T22:21:47.000Z","date":"2022-12-07","kind":"other","acquired":false,"shares":7000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On December 7, 2022, the Reporting Person exercised a warrant to purchase 7,000 shares of common stock for $2 per share.  The Reporting Person paid the exercise price on a cashless basis, resulting in Biostage's withholding of 1,952 shares to pay the exercise price based on the daily VWAP of $7.1706, and issuing the remaining 5,048 shares of common stock."}],"balance_after":0,"derivative":{"exercise_price":2,"exercise_date":"2017-12-27","expiration_date":"2022-12-27","underlying":"Common Stock","underlying_shares":7000},"source":{"system":"sec-edgar","filing":"0001415889-22-012350","document":"form4-12092022_101229.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000141588922012350/form4-12092022_101229.xml","form_type":"4"}},{"id":2090796,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":88450,"kind":"organization","name":"DST Capital LLC","position":1,"cik":"0001727656","reported_name":"DST Capital LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-12-09T22:21:47.000Z","date":"2022-12-07","kind":"sale","acquired":false,"shares":1952,"price":7.17,"value":13995.84,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On December 7, 2022, the Reporting Person exercised a warrant to purchase 7,000 shares of common stock for $2 per share.  The Reporting Person paid the exercise price on a cashless basis, resulting in Biostage's withholding of 1,952 shares to pay the exercise price based on the daily VWAP of $7.1706, and issuing the remaining 5,048 shares of common stock."}],"balance_after":3663325,"source":{"system":"sec-edgar","filing":"0001415889-22-012350","document":"form4-12092022_101229.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000141588922012350/form4-12092022_101229.xml","form_type":"4"}},{"id":2090795,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":88450,"kind":"organization","name":"DST Capital LLC","position":1,"cik":"0001727656","reported_name":"DST Capital LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-12-09T22:21:47.000Z","date":"2022-12-07","kind":"other","acquired":true,"shares":7000,"price":2,"value":14000.0,"ownership":{"direct":true},"balance_after":3665277,"source":{"system":"sec-edgar","filing":"0001415889-22-012350","document":"form4-12092022_101229.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000141588922012350/form4-12092022_101229.xml","form_type":"4"}},{"id":2090794,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":121737,"kind":"person","name":"Yu Hong","position":1,"cik":"0001743047","reported_name":"Yu Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PRESIDENT"}}],"security":"Warrants (right to buy)","published_at":"2022-12-09T22:21:07.000Z","date":"2022-12-07","kind":"other","acquired":false,"shares":300000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"The spouse of the reporting person"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On December 7, 2022, the Spouse of the Reporting Person exercised a warrant to purchase 300,000 shares of common stock for $2 per share.  The Spouse of the Reporting Person paid the exercise price on a cashless basis, resulting in Biostage's withholding of 83,676 shares to pay the exercise price based on the daily VWAP of $7.1706, and issuing the remaining 216,324 shares of common stock."}],"balance_after":0,"derivative":{"exercise_price":2,"exercise_date":"2017-12-27","expiration_date":"2022-12-27","underlying":"Common Stock","underlying_shares":300000},"source":{"system":"sec-edgar","filing":"0001415889-22-012348","document":"form4-12092022_101241.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000141588922012348/form4-12092022_101241.xml","form_type":"4"}},{"id":2090793,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":121737,"kind":"person","name":"Yu Hong","position":1,"cik":"0001743047","reported_name":"Yu Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PRESIDENT"}}],"security":"Common Stock","published_at":"2022-12-09T22:21:07.000Z","date":"2022-12-07","kind":"sale","acquired":false,"shares":83676,"price":7.17,"value":599956.92,"ownership":{"direct":false,"nature":"The spouse of the reporting person"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On December 7, 2022, the Spouse of the Reporting Person exercised a warrant to purchase 300,000 shares of common stock for $2 per share.  The Spouse of the Reporting Person paid the exercise price on a cashless basis, resulting in Biostage's withholding of 83,676 shares to pay the exercise price based on the daily VWAP of $7.1706, and issuing the remaining 216,324 shares of common stock."}],"balance_after":222459,"source":{"system":"sec-edgar","filing":"0001415889-22-012348","document":"form4-12092022_101241.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000141588922012348/form4-12092022_101241.xml","form_type":"4"}},{"id":2090792,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":121737,"kind":"person","name":"Yu Hong","position":1,"cik":"0001743047","reported_name":"Yu Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PRESIDENT"}}],"security":"Common Stock","published_at":"2022-12-09T22:21:07.000Z","date":"2022-12-07","kind":"other","acquired":true,"shares":300000,"price":2,"value":600000.0,"ownership":{"direct":false,"nature":"The spouse of the reporting person"},"balance_after":306135,"source":{"system":"sec-edgar","filing":"0001415889-22-012348","document":"form4-12092022_101241.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000141588922012348/form4-12092022_101241.xml","form_type":"4"}},{"id":2090791,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77841,"kind":"person","name":"Chen Jing","position":1,"cik":"0001727177","reported_name":"Chen Jing","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Warrants (right to buy)","published_at":"2022-12-09T22:19:59.000Z","date":"2022-12-07","kind":"other","acquired":false,"shares":174000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On December 7, 2022, the Reporting Person exercised a warrant to purchase 174,000 shares of common stock for $2 per share.  The Reporting Person paid the exercise price on a cashless basis, resulting in Biostage's withholding of 48,532 shares to pay the exercise price based on the daily VWAP of $7.1706, and issuing the remaining 125,468 shares of common stock."}],"balance_after":0,"derivative":{"exercise_price":2,"exercise_date":"2017-12-27","expiration_date":"2022-12-27","underlying":"Common Stock","underlying_shares":174000},"source":{"system":"sec-edgar","filing":"0001415889-22-012347","document":"form4-12092022_101252.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000141588922012347/form4-12092022_101252.xml","form_type":"4"}},{"id":2090790,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77841,"kind":"person","name":"Chen Jing","position":1,"cik":"0001727177","reported_name":"Chen Jing","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-12-09T22:19:59.000Z","date":"2022-12-07","kind":"sale","acquired":false,"shares":48532,"price":7.17,"value":347974.44,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On December 7, 2022, the Reporting Person exercised a warrant to purchase 174,000 shares of common stock for $2 per share.  The Reporting Person paid the exercise price on a cashless basis, resulting in Biostage's withholding of 48,532 shares to pay the exercise price based on the daily VWAP of $7.1706, and issuing the remaining 125,468 shares of common stock."}],"balance_after":161468,"source":{"system":"sec-edgar","filing":"0001415889-22-012347","document":"form4-12092022_101252.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000141588922012347/form4-12092022_101252.xml","form_type":"4"}},{"id":2090789,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77841,"kind":"person","name":"Chen Jing","position":1,"cik":"0001727177","reported_name":"Chen Jing","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-12-09T22:19:59.000Z","date":"2022-12-07","kind":"other","acquired":true,"shares":174000,"price":2,"value":348000.0,"ownership":{"direct":true},"balance_after":210000,"source":{"system":"sec-edgar","filing":"0001415889-22-012347","document":"form4-12092022_101252.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000141588922012347/form4-12092022_101252.xml","form_type":"4"}},{"id":2190782,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":124759,"kind":"person","name":"DAMASIO JOSEPH LUIS JR","position":1,"cik":"0001450080","reported_name":"DAMASIO JOSEPH LUIS JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock Option (right to buy)","published_at":"2022-08-09T18:06:43.000Z","date":"2022-08-08","kind":"grant","acquired":true,"shares":116156,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Subject to continued employment through the applicable vesting dates, these shares vest in four equal annual increments on each anniversary of the grant date."}],"balance_after":116156,"derivative":{"exercise_price":5,"expiration_date":"2032-08-08","underlying":"Common Stock, par value $0.01 per share","underlying_shares":116156},"source":{"system":"sec-edgar","filing":"0001104659-22-088076","document":"tm2222955-3_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1450080/000110465922088076/tm2222955-3_4seq1.xml","form_type":"4"}},{"id":2216759,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77843,"kind":"person","name":"Sanchez Herman","position":1,"cik":"0001843559","reported_name":"Sanchez Herman","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2022-07-01T21:54:20.000Z","date":"2022-06-29","kind":"grant","acquired":true,"shares":5016,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This Stock Option was granted in lieu of cash compensation otherwise payable to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on the grant date, June 30, 2022, September 30, 2022 and December 31, 2022."}],"balance_after":5016,"derivative":{"exercise_price":4.65,"expiration_date":"2032-06-09","underlying":"Common Stock, par value $0.01 per share","underlying_shares":5016},"source":{"system":"sec-edgar","filing":"0001104659-22-076933","document":"tm2220305-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000110465922076933/tm2220305-1_4seq1.xml","form_type":"4"}},{"id":2216758,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77843,"kind":"person","name":"Sanchez Herman","position":1,"cik":"0001843559","reported_name":"Sanchez Herman","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2022-07-01T21:54:20.000Z","date":"2022-06-29","kind":"grant","acquired":true,"shares":6241,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This Stock Option represents the annual equity grant to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on September 29, 2022, December 29, 2022, March 29, 2023 and June 29, 2023."}],"balance_after":6241,"derivative":{"exercise_price":4.65,"expiration_date":"2032-06-29","underlying":"Common Stock, par value $0.01 per share","underlying_shares":6241},"source":{"system":"sec-edgar","filing":"0001104659-22-076933","document":"tm2220305-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000110465922076933/tm2220305-1_4seq1.xml","form_type":"4"}},{"id":2216757,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77841,"kind":"person","name":"Chen Jing","position":1,"cik":"0001727177","reported_name":"Chen Jing","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2022-07-01T21:50:39.000Z","date":"2022-06-29","kind":"grant","acquired":true,"shares":5016,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This Stock Option was granted in lieu of cash compensation otherwise payable to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on the grant date, June 30, 2022, September 30, 2022 and December 31, 2022."}],"balance_after":5016,"derivative":{"exercise_price":4.65,"expiration_date":"2032-06-29","underlying":"Common Stock, par value $0.01 per share","underlying_shares":5.016},"source":{"system":"sec-edgar","filing":"0001104659-22-076931","document":"tm2220305-3_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000110465922076931/tm2220305-3_4seq1.xml","form_type":"4"}},{"id":2216756,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77841,"kind":"person","name":"Chen Jing","position":1,"cik":"0001727177","reported_name":"Chen Jing","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2022-07-01T21:50:39.000Z","date":"2022-06-29","kind":"grant","acquired":true,"shares":6241,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This Stock Option represents the annual equity grant to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on September 29, 2022, December 29, 2022, March 29, 2023 and June 29, 2023."}],"balance_after":6241,"derivative":{"exercise_price":4.65,"expiration_date":"2032-06-29","underlying":"Common Stock, par value $0.01 per share","underlying_shares":6241},"source":{"system":"sec-edgar","filing":"0001104659-22-076931","document":"tm2220305-3_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000110465922076931/tm2220305-3_4seq1.xml","form_type":"4"}},{"id":2216755,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77842,"kind":"person","name":"Li Ting","position":1,"cik":"0001759813","reported_name":"Li Ting","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2022-07-01T21:49:50.000Z","date":"2022-06-29","kind":"grant","acquired":true,"shares":5016,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This Stock Option was granted in lieu of cash compensation otherwise payable to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on the grant date, June 30, 2022, September 30, 2022 and December 31, 2022."}],"balance_after":5016,"derivative":{"exercise_price":4.65,"expiration_date":"2032-06-29","underlying":"Common Stock, par value $0.01 per share","underlying_shares":5016},"source":{"system":"sec-edgar","filing":"0001104659-22-076929","document":"tm2220305-5_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000110465922076929/tm2220305-5_4seq1.xml","form_type":"4"}},{"id":2216754,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77842,"kind":"person","name":"Li Ting","position":1,"cik":"0001759813","reported_name":"Li Ting","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2022-07-01T21:49:50.000Z","date":"2022-06-29","kind":"grant","acquired":true,"shares":6241,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This Stock Option represents the annual equity grant to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on September 29, 2022, December 29, 2022, March 29, 2023 and June 29, 2023."}],"balance_after":6241,"derivative":{"exercise_price":4.65,"expiration_date":"2032-06-29","underlying":"Common Stock, par value $0.01 per share","underlying_shares":6241},"source":{"system":"sec-edgar","filing":"0001104659-22-076929","document":"tm2220305-5_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1563665/000110465922076929/tm2220305-5_4seq1.xml","form_type":"4"}},{"id":2217370,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":24625,"kind":"person","name":"He Junli","position":1,"cik":"0001728598","reported_name":"He Junli","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2022-07-01T21:48:58.000Z","date":"2022-06-29","kind":"grant","acquired":true,"shares":5016,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This Stock Option was granted in lieu of cash compensation otherwise payable to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on the grant date, June 30, 2022, September 30, 2022 and December 31, 2022."}],"balance_after":5016,"derivative":{"exercise_price":4.65,"expiration_date":"2032-06-29","underlying":"Common Stock, par value $0.01 per share","underlying_shares":5.016},"source":{"system":"sec-edgar","filing":"0001104659-22-076927","document":"tm2220305-4_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1728598/000110465922076927/tm2220305-4_4seq1.xml","form_type":"4"}},{"id":2217369,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":24625,"kind":"person","name":"He Junli","position":1,"cik":"0001728598","reported_name":"He Junli","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2022-07-01T21:48:58.000Z","date":"2022-06-29","kind":"grant","acquired":true,"shares":6241,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This Stock Option represents the annual equity grant to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on September 29, 2022, December 29, 2022, March 29, 2023 and June 29, 2023."}],"balance_after":6241,"derivative":{"exercise_price":4.65,"expiration_date":"2032-06-29","underlying":"Common Stock, par value $0.01 per share","underlying_shares":6241},"source":{"system":"sec-edgar","filing":"0001104659-22-076927","document":"tm2220305-4_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1728598/000110465922076927/tm2220305-4_4seq1.xml","form_type":"4"}},{"id":2216784,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77846,"kind":"person","name":"Shmerling James E.","position":1,"cik":"0001505051","reported_name":"Shmerling James E.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2022-07-01T17:59:05.000Z","date":"2022-06-29","kind":"grant","acquired":true,"shares":5016,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This Stock Option was granted in lieu of cash compensation otherwise payable to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on the grant date, June 30, 2022, September 30, 2022 and December 31, 2022."}],"balance_after":5016,"derivative":{"exercise_price":4.65,"expiration_date":"2032-06-29","underlying":"Common Stock, par value $0.01 per share","underlying_shares":5016},"source":{"system":"sec-edgar","filing":"0001104659-22-076937","document":"tm2220305-2_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1505051/000110465922076937/tm2220305-2_4seq1.xml","form_type":"4"}},{"id":2216783,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77846,"kind":"person","name":"Shmerling James E.","position":1,"cik":"0001505051","reported_name":"Shmerling James E.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2022-07-01T17:59:05.000Z","date":"2022-06-29","kind":"grant","acquired":true,"shares":6241,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This Stock Option represents the annual equity grant to the Reporting Person, as a non-employee director of the Issuer, and will vest in four equal installments on September 29, 2022, December 29, 2022, March 29, 2023 and June 29, 2023."}],"balance_after":6241,"derivative":{"exercise_price":4.65,"expiration_date":"2032-06-29","underlying":"Common Stock, par value $0.01 per share","underlying_shares":6241},"source":{"system":"sec-edgar","filing":"0001104659-22-076937","document":"tm2220305-2_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1505051/000110465922076937/tm2220305-2_4seq1.xml","form_type":"4"}},{"id":2259560,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77846,"kind":"person","name":"Shmerling James E.","position":1,"cik":"0001505051","reported_name":"Shmerling James E.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Warrants (right to buy)","published_at":"2022-05-23T14:46:44.000Z","date":"2022-05-12","kind":"purchase","acquired":true,"shares":8446,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On May 12, 2022, the Issuer and the Reporting Person entered into a securities purchase agreement (the \"Purchase Agreement\") pursuant to which the Reporting Person acquired from the Issuer in a private placement: (i) 16,892 shares of the Issuer's common stock, $0.01 par value (collectively, the \"Shares\"); and (ii) warrants to purchase up to 8,446 shares of common stock with an exercise price of $8.88 per share (the \"Warrants\"). The aggregate subscription amount paid by the Reporting Person for the Shares and Warrants acquired by it pursuant to the Purchase Agreement was $100,000."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On May 12, 2022, the Issuer and the Reporting Person entered into a securities purchase agreement (the \"Purchase Agreement\") pursuant to which the Reporting Person acquired from the Issuer in a private placement: (i) 16,892 shares of the Issuer's common stock, $0.01 par value (collectively, the \"Shares\"); and (ii) warrants to purchase up to 8,446 shares of common stock with an exercise price of $8.88 per share (the \"Warrants\"). The aggregate subscription amount paid by the Reporting Person for the Shares and Warrants acquired by it pursuant to the Purchase Agreement was $100,000."}],"balance_after":8446,"derivative":{"exercise_price":8.88,"exercise_date":"2022-05-12","expiration_date":"2027-05-12","underlying":"Common Stock","underlying_shares":8446},"source":{"system":"sec-edgar","filing":"0001104659-22-063798","document":"tm2216578-2_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1505051/000110465922063798/tm2216578-2_4seq1.xml","form_type":"4"}},{"id":2259559,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77846,"kind":"person","name":"Shmerling James E.","position":1,"cik":"0001505051","reported_name":"Shmerling James E.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-05-23T14:46:44.000Z","date":"2022-05-12","kind":"purchase","acquired":true,"shares":16892,"price":5.92,"value":100000.64,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On May 12, 2022, the Issuer and the Reporting Person entered into a securities purchase agreement (the \"Purchase Agreement\") pursuant to which the Reporting Person acquired from the Issuer in a private placement: (i) 16,892 shares of the Issuer's common stock, $0.01 par value (collectively, the \"Shares\"); and (ii) warrants to purchase up to 8,446 shares of common stock with an exercise price of $8.88 per share (the \"Warrants\"). The aggregate subscription amount paid by the Reporting Person for the Shares and Warrants acquired by it pursuant to the Purchase Agreement was $100,000."}],"balance_after":16892,"source":{"system":"sec-edgar","filing":"0001104659-22-063798","document":"tm2216578-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1505051/000110465922063798/tm2216578-2_4seq1.xml","form_type":"4"}},{"id":2260644,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77924,"kind":"person","name":"GREEN DAVID","position":1,"cik":"0001008643","reported_name":"GREEN DAVID","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Interim CEO"}}],"security":"Warrants (right to buy)","published_at":"2022-05-23T14:45:54.000Z","date":"2022-05-12","kind":"purchase","acquired":true,"shares":31673,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On May 12, 2022, the Issuer and the Reporting Person entered into 2 securities purchase agreements (the \"Purchase Agreement\") pursuant to which the Reporting Person acquired from the Issuer in a private placement: (i) 63,345 shares of the Issuer's common stock, $0.01 par value (collectively, the \"Shares\"); and (ii) warrants to purchase up to 31,673 shares of common stock with an exercise price of $8.88 per share (the \"Warrants\"). The aggregate subscription amount paid by the Reporting Person for the Shares and Warrants acquired by it pursuant to the Purchase Agreements was $375,000."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On May 12, 2022, the Issuer and the Reporting Person entered into 2 securities purchase agreements (the \"Purchase Agreement\") pursuant to which the Reporting Person acquired from the Issuer in a private placement: (i) 63,345 shares of the Issuer's common stock, $0.01 par value (collectively, the \"Shares\"); and (ii) warrants to purchase up to 31,673 shares of common stock with an exercise price of $8.88 per share (the \"Warrants\"). The aggregate subscription amount paid by the Reporting Person for the Shares and Warrants acquired by it pursuant to the Purchase Agreements was $375,000."}],"balance_after":31673,"derivative":{"exercise_price":8.88,"exercise_date":"2022-05-12","expiration_date":"2027-05-12","underlying":"Common Stock","underlying_shares":31673},"source":{"system":"sec-edgar","filing":"0001104659-22-063797","document":"tm2216578-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1008643/000110465922063797/tm2216578-1_4seq1.xml","form_type":"4"}},{"id":2260643,"issuer":{"id":7501,"kind":"organization","name":"Harvard Apparatus Regenerative Technology, Inc.","symbol":"HRGN"},"owners":[{"id":77924,"kind":"person","name":"GREEN DAVID","position":1,"cik":"0001008643","reported_name":"GREEN DAVID","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Interim CEO"}}],"security":"Common Stock","published_at":"2022-05-23T14:45:54.000Z","date":"2022-05-12","kind":"purchase","acquired":true,"shares":63345,"price":5.92,"value":375002.4,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On May 12, 2022, the Issuer and the Reporting Person entered into 2 securities purchase agreements (the \"Purchase Agreement\") pursuant to which the Reporting Person acquired from the Issuer in a private placement: (i) 63,345 shares of the Issuer's common stock, $0.01 par value (collectively, the \"Shares\"); and (ii) warrants to purchase up to 31,673 shares of common stock with an exercise price of $8.88 per share (the \"Warrants\"). The aggregate subscription amount paid by the Reporting Person for the Shares and Warrants acquired by it pursuant to the Purchase Agreements was $375,000."}],"balance_after":158861,"source":{"system":"sec-edgar","filing":"0001104659-22-063797","document":"tm2216578-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1008643/000110465922063797/tm2216578-1_4seq1.xml","form_type":"4"}}],"next_cursor":"2022-05-23T14:45:54.000000Z,2260643"}