{"transactions":[{"id":2557505,"issuer":{"id":7588,"kind":"organization","name":"Jasper Therapeutics, Inc."},"owners":[{"id":135178,"kind":"person","name":"Clifford Kenneth F","position":1,"cik":"0001333753","reported_name":"Clifford Kenneth F","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"FORMER OFFICER"}}],"security":"Class B Common Stock","published_at":"2021-09-28T16:33:57.000Z","date":"2021-09-24","kind":"exercise","acquired":true,"shares":2300000,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"As described in the Issuer's registration statement on Form S-1 (File No. 333-234324) under the heading \"Description of Securities--Founder Shares\", the shares of Class B Common Stock will automatically convert into shares of Class A Common Stock at the time of the Issuer's initial business combination on a one-for-one basis, subject to certain adjustment described therein and have no expiration date."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"On September 24, 2021, Amplitude Healthcare Acquisition Corporation (\"AMHC\" and the former name of the Issuer) consummated its business combination with Jasper Therapeutics, Inc. (the former name of Jasper Tx Corp.). In connection with the business combination, each share of Class B Common Stock converted to one share of Voting Common Stock. The reporting person resigned as a director and as an officer of the Issuer upon consummation of the business combination."},{"field":"kind","element":"transactionCoding","label":"F2","text":"On September 24, 2021, Amplitude Healthcare Acquisition Corporation (\"AMHC\" and the former name of the Issuer) consummated its business combination with Jasper Therapeutics, Inc. (the former name of Jasper Tx Corp.). In connection with the business combination, each share of Class B Common Stock converted to one share of Voting Common Stock. The reporting person resigned as a director and as an officer of the Issuer upon consummation of the business combination."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"On September 24, 2021, Amplitude Healthcare Acquisition Corporation (\"AMHC\" and the former name of the Issuer) consummated its business combination with Jasper Therapeutics, Inc. (the former name of Jasper Tx Corp.). In connection with the business combination, each share of Class B Common Stock converted to one share of Voting Common Stock. The reporting person resigned as a director and as an officer of the Issuer upon consummation of the business combination."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"As described in the Issuer's registration statement on Form S-1 (File No. 333-234324) under the heading \"Description of Securities--Founder Shares\", the shares of Class B Common Stock will automatically convert into shares of Class A Common Stock at the time of the Issuer's initial business combination on a one-for-one basis, subject to certain adjustment described therein and have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"As described in the Issuer's registration statement on Form S-1 (File No. 333-234324) under the heading \"Description of Securities--Founder Shares\", the shares of Class B Common Stock will automatically convert into shares of Class A Common Stock at the time of the Issuer's initial business combination on a one-for-one basis, subject to certain adjustment described therein and have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Amplitude Healthcare Holdings LLC, is the record holder of the shares reported herein. Mr. Clifford may be deemed to share beneficial ownership of shares held by Amplitude Healthcare Holdings LLC. Mr. Clifford disclaims beneficial ownership of the shares held by Amplitude Healthcare Holdings LLC except to the extent of his pecuniary interest therein."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":2300000},"source":{"system":"sec-edgar","filing":"0001213900-21-050332","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1333753/000121390021050332/ownership.xml","form_type":"4"}},{"id":2557504,"issuer":{"id":7588,"kind":"organization","name":"Jasper Therapeutics, Inc."},"owners":[{"id":135178,"kind":"person","name":"Clifford Kenneth F","position":1,"cik":"0001333753","reported_name":"Clifford Kenneth F","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"FORMER OFFICER"}}],"security":"Class B Common Stock","published_at":"2021-09-28T16:33:57.000Z","date":"2021-09-24","kind":"disposition_to_issuer","acquired":true,"shares":200000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Pursuant to an agreement by and between the Issuer and Amplitude Healthcare Holdings LLC, concurrent with the consummation of the business combination, these shares of Class B Common Stock were forfeited to the Issuer as of immediately prior to the Merger."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"As described in the Issuer's registration statement on Form S-1 (File No. 333-234324) under the heading \"Description of Securities--Founder Shares\", the shares of Class B Common Stock will automatically convert into shares of Class A Common Stock at the time of the Issuer's initial business combination on a one-for-one basis, subject to certain adjustment described therein and have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"As described in the Issuer's registration statement on Form S-1 (File No. 333-234324) under the heading \"Description of Securities--Founder Shares\", the shares of Class B Common Stock will automatically convert into shares of Class A Common Stock at the time of the Issuer's initial business combination on a one-for-one basis, subject to certain adjustment described therein and have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Amplitude Healthcare Holdings LLC, is the record holder of the shares reported herein. Mr. Clifford may be deemed to share beneficial ownership of shares held by Amplitude Healthcare Holdings LLC. Mr. Clifford disclaims beneficial ownership of the shares held by Amplitude Healthcare Holdings LLC except to the extent of his pecuniary interest therein."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":200000},"source":{"system":"sec-edgar","filing":"0001213900-21-050332","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1333753/000121390021050332/ownership.xml","form_type":"4"}},{"id":2557503,"issuer":{"id":7588,"kind":"organization","name":"Jasper Therapeutics, Inc."},"owners":[{"id":135178,"kind":"person","name":"Clifford Kenneth F","position":1,"cik":"0001333753","reported_name":"Clifford Kenneth F","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"FORMER OFFICER"}}],"security":"Voting Common Stock","published_at":"2021-09-28T16:33:57.000Z","date":"2021-09-24","kind":"exercise","acquired":true,"shares":2300000,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"On September 24, 2021, Amplitude Healthcare Acquisition Corporation (\"AMHC\" and the former name of the Issuer) consummated its business combination with Jasper Therapeutics, Inc. (the former name of Jasper Tx Corp.). In connection with the business combination, each share of Class B Common Stock converted to one share of Voting Common Stock. The reporting person resigned as a director and as an officer of the Issuer upon consummation of the business combination."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"As described in the Issuer's registration statement on Form S-1 (File No. 333-234324) under the heading \"Description of Securities--Founder Shares\", the shares of Class B Common Stock will automatically convert into shares of Class A Common Stock at the time of the Issuer's initial business combination on a one-for-one basis, subject to certain adjustment described therein and have no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"On September 24, 2021, Amplitude Healthcare Acquisition Corporation (\"AMHC\" and the former name of the Issuer) consummated its business combination with Jasper Therapeutics, Inc. (the former name of Jasper Tx Corp.). In connection with the business combination, each share of Class B Common Stock converted to one share of Voting Common Stock. The reporting person resigned as a director and as an officer of the Issuer upon consummation of the business combination."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Amplitude Healthcare Holdings LLC, is the record holder of the shares reported herein. Mr. Clifford may be deemed to share beneficial ownership of shares held by Amplitude Healthcare Holdings LLC. Mr. Clifford disclaims beneficial ownership of the shares held by Amplitude Healthcare Holdings LLC except to the extent of his pecuniary interest therein."}],"balance_after":2300000,"source":{"system":"sec-edgar","filing":"0001213900-21-050332","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1333753/000121390021050332/ownership.xml","form_type":"4"}},{"id":3316080,"issuer":{"id":7588,"kind":"organization","name":"Jasper Therapeutics, Inc."},"owners":[{"id":135178,"kind":"person","name":"Clifford Kenneth F","position":1,"cik":"0001333753","reported_name":"Clifford Kenneth F","relationship":{"director":false,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Class B Common Stock","published_at":"2020-01-07T18:00:43.000Z","date":"2020-01-03","kind":"other","acquired":false,"shares":375000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"As described in the issuer's registration statement on Form S-1 (File No. 333-234324) under the heading \"Description of Securities--Founder Shares\", the shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the issuer's initial business combination on a one-for-one basis, subject to certain adjustment described therein and have no expiration date."},{"field":"kind","element":"transactionCoding","label":"F2","text":"As contemplated in connection with the initial public offering of the issuer, 375,000 shares of Class B common stock were returned by Amplitude Healthcare Holdings LLC (the \"Sponsor\") to the issuer for no consideration and cancelled because the underwriters' over-allotment option was not exercised at all."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"As described in the issuer's registration statement on Form S-1 (File No. 333-234324) under the heading \"Description of Securities--Founder Shares\", the shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the issuer's initial business combination on a one-for-one basis, subject to certain adjustment described therein and have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"As described in the issuer's registration statement on Form S-1 (File No. 333-234324) under the heading \"Description of Securities--Founder Shares\", the shares of Class B common stock will automatically convert into shares of Class A common stock at the time of the issuer's initial business combination on a one-for-one basis, subject to certain adjustment described therein and have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These shares represent the Class B common stock of the issuer held by the Sponsor acquired pursuant to a subscription agreement by and between the Sponsor and the issuer. Mr. Clifford, the Chief Financial Officer of the issuer, is a partner of Metalmark Capital II LLC (\"Metalmark\"), which is the sole member Metalmark Capital Holdings LLC. The partners of Metalmark indirectly control Metalmark Capital Holdings LLC, which is the general partner of Metalmark Capital Partners III GP, L.P., the sole member of Metalmark Amplitude Healthcare Holdings LLC. Metalmark Amplitude Healthcare Holdings LLC is a managing member of the Sponsor and shares the voting and dispositive power of the securities held by the Sponsor."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Accordingly, each of Mr. Clifford, Metalmark Amplitude Healthcare Holdings LLC, Metalmark Capital Partners III GP, L.P., Metalmark Capital Holdings LLC and Metalmark Capital II LLC may be deemed to share beneficial ownership of such shares. Each of Mr. Clifford, Metalmark Amplitude Healthcare Holdings LLC, Metalmark Capital Partners III GP, L.P., Metalmark Capital Holdings LLC and Metalmark Capital II LLC, disclaims any beneficial ownership of the reported shares other than to the extent of any pecuniary interest they may have therein, directly or indirectly."}],"balance_after":2500000,"derivative":{"underlying":"Class A Common Stock","underlying_shares":375000},"source":{"system":"sec-edgar","filing":"0001213900-20-000419","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1333753/000121390020000419/ownership.xml","form_type":"4"}}]}