{"transactions":[{"id":1640952,"issuer":{"id":3775,"kind":"organization","name":"Klaviyo, Inc.","symbol":"KVYO"},"owners":[{"id":94270,"kind":"organization","name":"Astral Capital ABEH, LLC","position":1,"cik":"0001667745","reported_name":"Astral Capital ABEH, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":94271,"kind":"organization","name":"Astral Capital ABEH Manager, LLC","position":2,"cik":"0001993952","reported_name":"Astral Capital ABEH Manager, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":94272,"kind":"person","name":"Karlen Jon","position":3,"cik":"0001994004","reported_name":"Karlen Jon","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series B Common Stock","published_at":"2024-02-15T17:18:40.000Z","date":"2024-02-13","kind":"exercise","planned":false,"acquired":false,"shares":5117010,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each share of Series B Common Stock is convertible at any time at the option of the holder into one share of Series A Common Stock of the Issuer, and will automatically convert into Series A Common Stock upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation. The Series B Common Stock has no expiration date."},{"field":"kind","element":"transactionCoding","label":"F1","text":"On February 13, 2024, Astral Capital ABEH, LLC converted 5,117,010 shares of the Issuer's Series B Common Stock,  par value $0.001 per share (\"Series B Common Stock\") into 5,117,010 shares of the Issuer's Series A Common Stock, par value $0.001 per share (\"Series A Common Stock\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Each share of Series B Common Stock is convertible at any time at the option of the holder into one share of Series A Common Stock of the Issuer, and will automatically convert into Series A Common Stock upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation. The Series B Common Stock has no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Each share of Series B Common Stock is convertible at any time at the option of the holder into one share of Series A Common Stock of the Issuer, and will automatically convert into Series A Common Stock upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation. The Series B Common Stock has no expiration date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Shares held by Astral Capital ABEH, LLC. Astral Capital ABEH Manager, LLC is the sole manager of Astral Capital ABEH, LLC. Jon Karlen is the sole manager of Astral Capital ABEH Manager, LLC. Each Reporting Person disclaims beneficial ownership of the shares reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (\"Section 16\"), except to the extent of his or its pecuniary interest therein, if any, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of any of the reported shares for purposes of Section 16 or any other purpose."}],"balance_after":0,"derivative":{"underlying":"Series A Common Stock","underlying_shares":5117010},"source":{"system":"sec-edgar","filing":"0001835830-24-000002","document":"wk-form4_1708035507.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1667745/000183583024000002/wk-form4_1708035507.xml","form_type":"4"}},{"id":1640951,"issuer":{"id":3775,"kind":"organization","name":"Klaviyo, Inc.","symbol":"KVYO"},"owners":[{"id":94270,"kind":"organization","name":"Astral Capital ABEH, LLC","position":1,"cik":"0001667745","reported_name":"Astral Capital ABEH, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":94271,"kind":"organization","name":"Astral Capital ABEH Manager, LLC","position":2,"cik":"0001993952","reported_name":"Astral Capital ABEH Manager, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":94272,"kind":"person","name":"Karlen Jon","position":3,"cik":"0001994004","reported_name":"Karlen Jon","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series A Common Stock","published_at":"2024-02-15T17:18:40.000Z","date":"2024-02-13","kind":"exercise","planned":false,"acquired":true,"shares":5117010,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On February 13, 2024, Astral Capital ABEH, LLC converted 5,117,010 shares of the Issuer's Series B Common Stock,  par value $0.001 per share (\"Series B Common Stock\") into 5,117,010 shares of the Issuer's Series A Common Stock, par value $0.001 per share (\"Series A Common Stock\")."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Each share of Series B Common Stock is convertible at any time at the option of the holder into one share of Series A Common Stock of the Issuer, and will automatically convert into Series A Common Stock upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation. The Series B Common Stock has no expiration date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Shares held by Astral Capital ABEH, LLC. Astral Capital ABEH Manager, LLC is the sole manager of Astral Capital ABEH, LLC. Jon Karlen is the sole manager of Astral Capital ABEH Manager, LLC. Each Reporting Person disclaims beneficial ownership of the shares reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (\"Section 16\"), except to the extent of his or its pecuniary interest therein, if any, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of any of the reported shares for purposes of Section 16 or any other purpose."}],"balance_after":5129342,"source":{"system":"sec-edgar","filing":"0001835830-24-000002","document":"wk-form4_1708035507.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1667745/000183583024000002/wk-form4_1708035507.xml","form_type":"4"}},{"id":1756222,"issuer":{"id":3775,"kind":"organization","name":"Klaviyo, Inc.","symbol":"KVYO"},"owners":[{"id":94270,"kind":"organization","name":"Astral Capital ABEH, LLC","position":1,"cik":"0001667745","reported_name":"Astral Capital ABEH, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":94271,"kind":"organization","name":"Astral Capital ABEH Manager, LLC","position":2,"cik":"0001993952","reported_name":"Astral Capital ABEH Manager, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":94272,"kind":"person","name":"Karlen Jon","position":3,"cik":"0001994004","reported_name":"Karlen Jon","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series A Common Stock","published_at":"2023-10-23T16:17:17.000Z","date":"2023-10-23","kind":"sale","planned":false,"acquired":false,"shares":294008,"price":28.3218,"value":8326835.7744,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold pursuant to the underwriters' partial exercise of their over-allotment option in connection with the initial public offering of the Issuer's Series A Common Stock at a net price per share of $28.3218, after underwriting discounts and commissions. Astral Capital ABEH, LLC was a selling stockholder in the initial public offering."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Shares held by Astral Capital ABEH, LLC. Astral Capital ABEH Manager, LLC is the sole manager of Astral Capital ABEH, LLC. Jon Karlen is the sole manager of Astral Capital ABEH Manager, LLC. Each Reporting Person disclaims beneficial ownership of the shares reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (\"Section 16\"), except to the extent of his or its pecuniary interest therein, if any, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of any of the reported shares for purposes of Section 16 or any other purpose."}],"balance_after":12332,"source":{"system":"sec-edgar","filing":"0001628280-23-034907","document":"wk-form4_1698092228.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1667745/000162828023034907/wk-form4_1698092228.xml","form_type":"4"}},{"id":1774642,"issuer":{"id":3775,"kind":"organization","name":"Klaviyo, Inc.","symbol":"KVYO"},"owners":[{"id":94270,"kind":"organization","name":"Astral Capital ABEH, LLC","position":1,"cik":"0001667745","reported_name":"Astral Capital ABEH, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":94271,"kind":"organization","name":"Astral Capital ABEH Manager, LLC","position":2,"cik":"0001993952","reported_name":"Astral Capital ABEH Manager, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":94272,"kind":"person","name":"Karlen Jon","position":3,"cik":"0001994004","reported_name":"Karlen Jon","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series A Common Stock","published_at":"2023-09-22T16:07:36.000Z","date":"2023-09-22","kind":"sale","planned":false,"acquired":false,"shares":816907,"price":28.3218,"value":23136276.6726,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold in connection with the initial public offering of the Issuer's Series A Common Stock at a net price per share of $28.3218, after underwriting discounts and commissions. Astral Capital ABEH, LLC was a selling stockholder in the initial public offering."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Shares held by Astral Capital ABEH, LLC. Astral Capital ABEH Manager, LLC is the sole manager of Astral Capital ABEH, LLC. Jon Karlen is the sole manager of Astral Capital ABEH Manager, LLC. Each Reporting Person disclaims beneficial ownership of the shares reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (\"Section 16\"), except to the extent of his or its pecuniary interest therein, if any, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of any of the reported shares for purposes of Section 16 or any other purpose."}],"balance_after":306340,"source":{"system":"sec-edgar","filing":"0001628280-23-032847","document":"wk-form4_1695413246.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1667745/000162828023032847/wk-form4_1695413246.xml","form_type":"4"}}]}