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Agreement."},{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects shares of common stock issued to the Reporting Person upon vesting and settlement of restricted stock units (\"RSUs\") on March 31, 2023, which RSUs were awarded to the Reporting Person as of January 1, 2023, subject to the terms and conditions set forth in the award of such RSUs by the Issuer to the Reporting Person pursuant to a Restricted Stock Unit Award Agreement."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The RSUs were awarded as compensation to the Reporting Person for his service as a director of the 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Reporting Person and will expire if not exercised by the Reporting Person before January 22, 2023."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Represents remaining granted stock options across all grants."}],"balance_after":10000,"derivative":{"exercise_price":1,"expiration_date":"2023-01-22","underlying":"Common Stock","underlying_shares":66637},"source":{"system":"sec-edgar","filing":"0001104659-23-004999","document":"tm233905-2_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1558569/000110465923004999/tm233905-2_4seq1.xml","form_type":"4"}},{"id":2050459,"issuer":{"id":8372,"kind":"organization","name":"iSpecimen Inc."},"owners":[{"id":113386,"kind":"person","name":"Mullan Jill","position":1,"cik":"0001857039","reported_name":"Mullan 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Issuer's Amended and Restated 2021 Stock Incentive Plan. The stock options vest with respect to 2,500 shares on each of March 31, 2023, June 30, 2023, September 30, 2023 and December 31, 2023."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Represents remaining granted stock options across all grants."}],"balance_after":76637,"derivative":{"exercise_price":1.41,"expiration_date":"2033-01-03","underlying":"Common Stock","underlying_shares":10000},"source":{"system":"sec-edgar","filing":"0001104659-23-004998","document":"tm233905-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1558569/000110465923004998/tm233905-1_4seq1.xml","form_type":"4"}},{"id":2119777,"issuer":{"id":8372,"kind":"organization","name":"iSpecimen Inc."},"owners":[{"id":113386,"kind":"person","name":"Mullan Jill","position":1,"cik":"0001857039","reported_name":"Mullan Jill","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Option","published_at":"2022-11-10T21:10:33.000Z","date":"2022-10-24","kind":"other","acquired":false,"shares":564,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Represents unvested stock options that were forfeited upon the termination of employment of the reporting person with the issuer. Stock options exercisable for an aggregate of 66,637 shares that were vested on the date of termination of employment of the reporting person will expire on January 22, 2023, if not exercised by the reporting person before that date."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents unvested stock options that were forfeited upon the termination of employment of the reporting person with the issuer. Stock options exercisable for an aggregate of 66,637 shares that were vested on the date of termination of employment of the reporting person will expire on January 22, 2023, if not exercised by the reporting person before that date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Represents unvested stock options that were forfeited upon the termination of employment of the reporting person with the issuer. Stock options exercisable for an aggregate of 66,637 shares that were vested on the date of termination of employment of the reporting person will expire on January 22, 2023, if not exercised by the reporting person before that date."}],"balance_after":66637,"derivative":{"expiration_date":"2022-10-24","underlying":"Common Stock","underlying_shares":564},"source":{"system":"sec-edgar","filing":"0001104659-22-117133","document":"tm2230264-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1558569/000110465922117133/tm2230264-1_4seq1.xml","form_type":"4"}},{"id":2119776,"issuer":{"id":8372,"kind":"organization","name":"iSpecimen Inc."},"owners":[{"id":113386,"kind":"person","name":"Mullan Jill","position":1,"cik":"0001857039","reported_name":"Mullan Jill","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common 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of 13,021 restricted stock units of the issuer (the \"RSUs\"), which were previously awarded to the reporting person but not settled, were settled at an accelerated vesting schedule and as a result, 13,021 shares of common stock were issued to the reporting person; and (ii) 18,229 RSUs, which were previously awarded to the reporting person and not settled, were forfeited."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The RSUs were previously awarded as compensation to the reporting person for her former service as an officer of the issuer."}],"balance_after":179589,"source":{"system":"sec-edgar","filing":"0001104659-22-117133","document":"tm2230264-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1558569/000110465922117133/tm2230264-1_4seq1.xml","form_type":"4"}},{"id":2221823,"issuer":{"id":8372,"kind":"organization","name":"iSpecimen 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Reporting Person on February 1, 2019, pursuant to the Issuer's 2013 Stock Incentive Plan, which were fully vested on February 1, 2022."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Represents remaining granted stock options across all grants."}],"balance_after":67201,"derivative":{"exercise_price":1,"expiration_date":"2029-01-31","underlying":"Common Stock","underlying_shares":3099},"source":{"system":"sec-edgar","filing":"0001104659-22-026191","document":"tm227509-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1558569/000110465922026191/tm227509-1_4seq1.xml","form_type":"4"}},{"id":2377493,"issuer":{"id":8372,"kind":"organization","name":"iSpecimen Inc."},"owners":[{"id":113386,"kind":"person","name":"Mullan Jill","position":1,"cik":"0001857039","reported_name":"Mullan 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exercise of stock options."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the $1.00 exercise price per share of the stock options exercised, which was paid by the Reporting Person upon exercise of such stock options."}],"balance_after":200942,"source":{"system":"sec-edgar","filing":"0001104659-22-026191","document":"tm227509-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1558569/000110465922026191/tm227509-1_4seq1.xml","form_type":"4"}},{"id":2377491,"issuer":{"id":8372,"kind":"organization","name":"iSpecimen Inc."},"owners":[{"id":113386,"kind":"person","name":"Mullan Jill","position":1,"cik":"0001857039","reported_name":"Mullan Jill","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & Secretary"}}],"security":"Common 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The RSUs vest in five equal installments, on June 21, 2021, June 21, 2022, June 21, 2023, June 21, 2024 and June 21, 2025, subject to the terms and conditions set forth in the RSU Agreement. 10,416 RSUs were settled for shares of common stock on June 21, 2021, and the Reporting Person was issued 10,416 shares of common stock."},{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares underlying certain restricted stock units (\"RSUs\"), each of which is a contingent right to receive one share of common stock at settlement subject to the terms and conditions set forth in the award of such RSUs by the Company to the Reporting Person pursuant to a Restricted Stock Unit Award Agreement (the \"RSU Agreement\"). The RSUs vest in five equal installments, on June 21, 2021, June 21, 2022, June 21, 2023, June 21, 2024 and June 21, 2025, subject to the terms and conditions set forth in the RSU Agreement. 10,416 RSUs were settled for shares of common stock on June 21, 2021, and the Reporting Person was issued 10,416 shares of common stock."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The RSUs were awarded as compensation to the Reporting Person for her service as an officer of the Company."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Represents shares underlying certain restricted stock units (\"RSUs\"), each of which is a contingent right to receive one share of common stock at settlement subject to the terms and conditions set forth in the award of such RSUs by the Company to the Reporting Person pursuant to a Restricted Stock Unit Award Agreement (the \"RSU Agreement\"). The RSUs vest in five equal installments, on June 21, 2021, June 21, 2022, June 21, 2023, June 21, 2024 and June 21, 2025, subject to the terms and conditions set forth in the RSU Agreement. 10,416 RSUs were settled for shares of common stock on June 21, 2021, and the Reporting Person was issued 10,416 shares of common stock."}],"balance_after":178547,"source":{"system":"sec-edgar","filing":"0001104659-22-022565","document":"tm226491-5_5seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1558569/000110465922022565/tm226491-5_5seq1.xml","form_type":"5"}},{"id":2656808,"issuer":{"id":8372,"kind":"organization","name":"iSpecimen Inc."},"owners":[{"id":113386,"kind":"person","name":"Mullan Jill","position":1,"cik":"0001857039","reported_name":"Mullan Jill","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO, Secretary, 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automatically converted into 76,897 shares of common stock at $5.60 upon the closing of the IPO."},{"field":"shares","element":"transactionShares","label":"F5","text":"Represents accrued interest from June 17, 2021 to June 21, 2021 under the bridge note."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The bridge note has a maturity date of June 30, 2021 and automatically converted into 76,897 shares of common stock at $5.60 upon the closing of the IPO."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The bridge note has a maturity date of June 30, 2021 and automatically converted into 76,897 shares of common stock at $5.60 upon the closing of the IPO."}],"balance_after":76897,"derivative":{"expiration_date":"2021-06-30","underlying":"Common 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converted into shares of common stock upon the closing of the Issuer's initial public offering (the \"IPO) and has no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Shares of Series A Preferred Stock automatically converted into shares of common stock upon the closing of the Issuer's initial public offering (the \"IPO) and has no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Shares of Series A Preferred Stock automatically converted into shares of common stock upon the closing of the Issuer's initial public offering (the \"IPO) and has no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Shares of Series A Preferred Stock automatically converted into shares of common stock upon the closing of the Issuer's initial public offering (the \"IPO) and has no expiration date."}],"balance_after":0,"derivative":{"underlying":"Common 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principal and  accrued  interest through June 21, 2021 under a bridge note owed to the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Shares were issued to the reporting person upon conversion of an aggregate of $430,625 in principal and  accrued  interest through June 21, 2021 under a bridge note owed to the reporting person."}],"balance_after":126463,"source":{"system":"sec-edgar","filing":"0001104659-21-084773","document":"tm2120463-3_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1558569/000110465921084773/tm2120463-3_4seq1.xml","form_type":"4"}},{"id":2656804,"issuer":{"id":8372,"kind":"organization","name":"iSpecimen Inc."},"owners":[{"id":113386,"kind":"person","name":"Mullan Jill","position":1,"cik":"0001857039","reported_name":"Mullan 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conversion."}],"balance_after":49566,"source":{"system":"sec-edgar","filing":"0001104659-21-084773","document":"tm2120463-3_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1558569/000110465921084773/tm2120463-3_4seq1.xml","form_type":"4"}}]}