{"transactions":[{"id":917254,"issuer":{"id":5884,"kind":"organization","name":"Immuneering Corp"},"owners":[{"id":67549,"kind":"person","name":"Bookman Michael","position":1,"cik":"0001840339","reported_name":"Bookman Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF LEGAL OFFICER, SECRETARY"}}],"security":"Stock Option","published_at":"2026-02-05T13:44:51.000Z","date":"2026-02-03","kind":"grant","planned":false,"acquired":true,"shares":176000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option vests and becomes exercisable in equal monthly installments over a four-year period commencing on February 1, 2026, and will be fully vested and exercisable on January 1, 2030."}],"balance_after":176000,"derivative":{"exercise_price":4.91,"expiration_date":"2036-02-03","underlying":"Class A Common Stock","underlying_shares":176000},"source":{"system":"sec-edgar","filing":"0001790340-26-000034","document":"wk-form4_1770299088.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1790340/000179034026000034/wk-form4_1770299088.xml","form_type":"4"}},{"id":1026381,"issuer":{"id":5884,"kind":"organization","name":"Immuneering Corp"},"owners":[{"id":67549,"kind":"person","name":"Bookman Michael","position":1,"cik":"0001840339","reported_name":"Bookman Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF LEGAL OFFICER, SECRETARY"}}],"security":"Class A Common Stock","published_at":"2025-10-02T12:52:43.000Z","date":"2025-10-01","kind":"purchase","planned":false,"acquired":true,"shares":1020,"price":6.8299,"value":6966.498,"ownership":{"direct":true},"balance_after":4870,"source":{"system":"sec-edgar","filing":"0001790340-25-000121","document":"wk-form4_1759409561.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1790340/000179034025000121/wk-form4_1759409561.xml","form_type":"4"}},{"id":1278278,"issuer":{"id":5884,"kind":"organization","name":"Immuneering Corp"},"owners":[{"id":67549,"kind":"person","name":"Bookman Michael","position":1,"cik":"0001840339","reported_name":"Bookman Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF LEGAL OFFICER, SECRETARY"}}],"security":"Stock Option","published_at":"2025-02-07T21:06:49.000Z","date":"2025-02-05","kind":"grant","planned":false,"acquired":true,"shares":110000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option vests and becomes exercisable in equal monthly installments over a four-year period commencing on February 1, 2025, and will be fully vested and exercisable on January 1, 2029."}],"balance_after":110000,"derivative":{"exercise_price":1.91,"expiration_date":"2035-02-05","underlying":"Class A Common Stock","underlying_shares":110000},"source":{"system":"sec-edgar","filing":"0001790340-25-000022","document":"wk-form4_1738962402.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1790340/000179034025000022/wk-form4_1738962402.xml","form_type":"4"}},{"id":1503136,"issuer":{"id":5884,"kind":"organization","name":"Immuneering Corp"},"owners":[{"id":67549,"kind":"person","name":"Bookman Michael","position":1,"cik":"0001840339","reported_name":"Bookman Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF LEGAL OFFICER, SECRETARY"}}],"security":"Stock Option","published_at":"2024-05-23T20:20:04.000Z","date":"2024-05-21","kind":"grant","planned":false,"acquired":true,"shares":93000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On May 21, 2024, the Issuer's Board of Directors approved an option repricing (the \"Repricing\") whereby the Reporting Person's options were repriced to an exercise price of $3.01 per share.  Under the terms of the Repricing, unless there is a change of control of the Issuer, the exercise price for the repriced options will revert to the original exercise price of the option if, prior to June 30, 2025, the Reporting Person: (i) is terminated by the Issuer for cause or resigns from the Issuer, except by reason of death or disability; or (ii) elects to exercise the repriced options. All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the Exchange Act, as applicable."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The option vests and becomes exercisable in equal monthly installments over a four-year period commencing on February 1, 2024, and will be fully vested and exercisable on January 1, 2028."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"On May 21, 2024, the Issuer's Board of Directors approved an option repricing (the \"Repricing\") whereby the Reporting Person's options were repriced to an exercise price of $3.01 per share.  Under the terms of the Repricing, unless there is a change of control of the Issuer, the exercise price for the repriced options will revert to the original exercise price of the option if, prior to June 30, 2025, the Reporting Person: (i) is terminated by the Issuer for cause or resigns from the Issuer, except by reason of death or disability; or (ii) elects to exercise the repriced options. All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the Exchange Act, as applicable."}],"balance_after":93000,"derivative":{"exercise_price":3.01,"expiration_date":"2034-02-08","underlying":"Class A Common Stock","underlying_shares":93000},"source":{"system":"sec-edgar","filing":"0001628280-24-024953","document":"wk-form4_1716495592.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1790340/000162828024024953/wk-form4_1716495592.xml","form_type":"4"}},{"id":1503135,"issuer":{"id":5884,"kind":"organization","name":"Immuneering Corp"},"owners":[{"id":67549,"kind":"person","name":"Bookman Michael","position":1,"cik":"0001840339","reported_name":"Bookman Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF LEGAL OFFICER, SECRETARY"}}],"security":"Stock Option","published_at":"2024-05-23T20:20:04.000Z","date":"2024-05-21","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":93000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On May 21, 2024, the Issuer's Board of Directors approved an option repricing (the \"Repricing\") whereby the Reporting Person's options were repriced to an exercise price of $3.01 per share.  Under the terms of the Repricing, unless there is a change of control of the Issuer, the exercise price for the repriced options will revert to the original exercise price of the option if, prior to June 30, 2025, the Reporting Person: (i) is terminated by the Issuer for cause or resigns from the Issuer, except by reason of death or disability; or (ii) elects to exercise the repriced options. All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the Exchange Act, as applicable."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The option vests and becomes exercisable in equal monthly installments over a four-year period commencing on February 1, 2024, and will be fully vested and exercisable on January 1, 2028."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"On May 21, 2024, the Issuer's Board of Directors approved an option repricing (the \"Repricing\") whereby the Reporting Person's options were repriced to an exercise price of $3.01 per share.  Under the terms of the Repricing, unless there is a change of control of the Issuer, the exercise price for the repriced options will revert to the original exercise price of the option if, prior to June 30, 2025, the Reporting Person: (i) is terminated by the Issuer for cause or resigns from the Issuer, except by reason of death or disability; or (ii) elects to exercise the repriced options. All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the Exchange Act, as applicable."}],"balance_after":0,"derivative":{"exercise_price":6.09,"expiration_date":"2034-02-08","underlying":"Class A Common Stock","underlying_shares":93000},"source":{"system":"sec-edgar","filing":"0001628280-24-024953","document":"wk-form4_1716495592.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1790340/000162828024024953/wk-form4_1716495592.xml","form_type":"4"}},{"id":1503134,"issuer":{"id":5884,"kind":"organization","name":"Immuneering Corp"},"owners":[{"id":67549,"kind":"person","name":"Bookman Michael","position":1,"cik":"0001840339","reported_name":"Bookman Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF LEGAL OFFICER, SECRETARY"}}],"security":"Stock Option","published_at":"2024-05-23T20:20:04.000Z","date":"2024-05-21","kind":"grant","planned":false,"acquired":true,"shares":143000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On May 21, 2024, the Issuer's Board of Directors approved an option repricing (the \"Repricing\") whereby the Reporting Person's options were repriced to an exercise price of $3.01 per share.  Under the terms of the Repricing, unless there is a change of control of the Issuer, the exercise price for the repriced options will revert to the original exercise price of the option if, prior to June 30, 2025, the Reporting Person: (i) is terminated by the Issuer for cause or resigns from the Issuer, except by reason of death or disability; or (ii) elects to exercise the repriced options. All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the Exchange Act, as applicable."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The option vests and becomes exercisable in equal monthly installments over a four-year period commencing on February 1, 2023, and will be fully vested and exercisable on January 1, 2027."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"On May 21, 2024, the Issuer's Board of Directors approved an option repricing (the \"Repricing\") whereby the Reporting Person's options were repriced to an exercise price of $3.01 per share.  Under the terms of the Repricing, unless there is a change of control of the Issuer, the exercise price for the repriced options will revert to the original exercise price of the option if, prior to June 30, 2025, the Reporting Person: (i) is terminated by the Issuer for cause or resigns from the Issuer, except by reason of death or disability; or (ii) elects to exercise the repriced options. All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the Exchange Act, as applicable."}],"balance_after":143000,"derivative":{"exercise_price":3.01,"expiration_date":"2033-02-15","underlying":"Class A Common Stock","underlying_shares":143000},"source":{"system":"sec-edgar","filing":"0001628280-24-024953","document":"wk-form4_1716495592.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1790340/000162828024024953/wk-form4_1716495592.xml","form_type":"4"}},{"id":1503133,"issuer":{"id":5884,"kind":"organization","name":"Immuneering Corp"},"owners":[{"id":67549,"kind":"person","name":"Bookman Michael","position":1,"cik":"0001840339","reported_name":"Bookman Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF LEGAL OFFICER, SECRETARY"}}],"security":"Stock Option","published_at":"2024-05-23T20:20:04.000Z","date":"2024-05-21","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":143000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On May 21, 2024, the Issuer's Board of Directors approved an option repricing (the \"Repricing\") whereby the Reporting Person's options were repriced to an exercise price of $3.01 per share.  Under the terms of the Repricing, unless there is a change of control of the Issuer, the exercise price for the repriced options will revert to the original exercise price of the option if, prior to June 30, 2025, the Reporting Person: (i) is terminated by the Issuer for cause or resigns from the Issuer, except by reason of death or disability; or (ii) elects to exercise the repriced options. All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the Exchange Act, as applicable."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The option vests and becomes exercisable in equal monthly installments over a four-year period commencing on February 1, 2023, and will be fully vested and exercisable on January 1, 2027."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"On May 21, 2024, the Issuer's Board of Directors approved an option repricing (the \"Repricing\") whereby the Reporting Person's options were repriced to an exercise price of $3.01 per share.  Under the terms of the Repricing, unless there is a change of control of the Issuer, the exercise price for the repriced options will revert to the original exercise price of the option if, prior to June 30, 2025, the Reporting Person: (i) is terminated by the Issuer for cause or resigns from the Issuer, except by reason of death or disability; or (ii) elects to exercise the repriced options. All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the Exchange Act, as applicable."}],"balance_after":0,"derivative":{"exercise_price":4.25,"expiration_date":"2033-02-15","underlying":"Class A Common Stock","underlying_shares":143000},"source":{"system":"sec-edgar","filing":"0001628280-24-024953","document":"wk-form4_1716495592.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1790340/000162828024024953/wk-form4_1716495592.xml","form_type":"4"}},{"id":1503132,"issuer":{"id":5884,"kind":"organization","name":"Immuneering Corp"},"owners":[{"id":67549,"kind":"person","name":"Bookman Michael","position":1,"cik":"0001840339","reported_name":"Bookman Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF LEGAL OFFICER, SECRETARY"}}],"security":"Stock Option","published_at":"2024-05-23T20:20:04.000Z","date":"2024-05-21","kind":"grant","planned":false,"acquired":true,"shares":47300,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On May 21, 2024, the Issuer's Board of Directors approved an option repricing (the \"Repricing\") whereby the Reporting Person's options were repriced to an exercise price of $3.01 per share.  Under the terms of the Repricing, unless there is a change of control of the Issuer, the exercise price for the repriced options will revert to the original exercise price of the option if, prior to June 30, 2025, the Reporting Person: (i) is terminated by the Issuer for cause or resigns from the Issuer, except by reason of death or disability; or (ii) elects to exercise the repriced options. All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the Exchange Act, as applicable."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The option vests and becomes exercisable in equal monthly installments over a four-year period commencing on February 1, 2022, and will be fully vested and exercisable on January 1, 2026."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"On May 21, 2024, the Issuer's Board of Directors approved an option repricing (the \"Repricing\") whereby the Reporting Person's options were repriced to an exercise price of $3.01 per share.  Under the terms of the Repricing, unless there is a change of control of the Issuer, the exercise price for the repriced options will revert to the original exercise price of the option if, prior to June 30, 2025, the Reporting Person: (i) is terminated by the Issuer for cause or resigns from the Issuer, except by reason of death or disability; or (ii) elects to exercise the repriced options. All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the Exchange Act, as applicable."}],"balance_after":47300,"derivative":{"exercise_price":3.01,"expiration_date":"2032-02-09","underlying":"Class A Common Stock","underlying_shares":47300},"source":{"system":"sec-edgar","filing":"0001628280-24-024953","document":"wk-form4_1716495592.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1790340/000162828024024953/wk-form4_1716495592.xml","form_type":"4"}},{"id":1503131,"issuer":{"id":5884,"kind":"organization","name":"Immuneering Corp"},"owners":[{"id":67549,"kind":"person","name":"Bookman Michael","position":1,"cik":"0001840339","reported_name":"Bookman Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF LEGAL OFFICER, SECRETARY"}}],"security":"Stock Option","published_at":"2024-05-23T20:20:04.000Z","date":"2024-05-21","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":47300,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On May 21, 2024, the Issuer's Board of Directors approved an option repricing (the \"Repricing\") whereby the Reporting Person's options were repriced to an exercise price of $3.01 per share.  Under the terms of the Repricing, unless there is a change of control of the Issuer, the exercise price for the repriced options will revert to the original exercise price of the option if, prior to June 30, 2025, the Reporting Person: (i) is terminated by the Issuer for cause or resigns from the Issuer, except by reason of death or disability; or (ii) elects to exercise the repriced options. All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the Exchange Act, as applicable."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The option vests and becomes exercisable in equal monthly installments over a four-year period commencing on February 1, 2022, and will be fully vested and exercisable on January 1, 2026."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"On May 21, 2024, the Issuer's Board of Directors approved an option repricing (the \"Repricing\") whereby the Reporting Person's options were repriced to an exercise price of $3.01 per share.  Under the terms of the Repricing, unless there is a change of control of the Issuer, the exercise price for the repriced options will revert to the original exercise price of the option if, prior to June 30, 2025, the Reporting Person: (i) is terminated by the Issuer for cause or resigns from the Issuer, except by reason of death or disability; or (ii) elects to exercise the repriced options. All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the Exchange Act, as applicable."}],"balance_after":0,"derivative":{"exercise_price":9.66,"expiration_date":"2032-02-09","underlying":"Class A Common Stock","underlying_shares":47300},"source":{"system":"sec-edgar","filing":"0001628280-24-024953","document":"wk-form4_1716495592.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1790340/000162828024024953/wk-form4_1716495592.xml","form_type":"4"}},{"id":1503130,"issuer":{"id":5884,"kind":"organization","name":"Immuneering Corp"},"owners":[{"id":67549,"kind":"person","name":"Bookman Michael","position":1,"cik":"0001840339","reported_name":"Bookman Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF LEGAL OFFICER, SECRETARY"}}],"security":"Stock Option","published_at":"2024-05-23T20:20:04.000Z","date":"2024-05-21","kind":"grant","planned":false,"acquired":true,"shares":101116,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On May 21, 2024, the Issuer's Board of Directors approved an option repricing (the \"Repricing\") whereby the Reporting Person's options were repriced to an exercise price of $3.01 per share.  Under the terms of the Repricing, unless there is a change of control of the Issuer, the exercise price for the repriced options will revert to the original exercise price of the option if, prior to June 30, 2025, the Reporting Person: (i) is terminated by the Issuer for cause or resigns from the Issuer, except by reason of death or disability; or (ii) elects to exercise the repriced options. All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the Exchange Act, as applicable."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vests and becomes exercisable as to 25% of the underlying shares on July 15, 2022 and then in equal monthly installments over the subsequent three years, subject to Mr. Bookman's continued employment through each applicable vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"On May 21, 2024, the Issuer's Board of Directors approved an option repricing (the \"Repricing\") whereby the Reporting Person's options were repriced to an exercise price of $3.01 per share.  Under the terms of the Repricing, unless there is a change of control of the Issuer, the exercise price for the repriced options will revert to the original exercise price of the option if, prior to June 30, 2025, the Reporting Person: (i) is terminated by the Issuer for cause or resigns from the Issuer, except by reason of death or disability; or (ii) elects to exercise the repriced options. All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the Exchange Act, as applicable."}],"balance_after":101116,"derivative":{"exercise_price":3.01,"expiration_date":"2031-07-28","underlying":"Class A Common Stock","underlying_shares":101116},"source":{"system":"sec-edgar","filing":"0001628280-24-024953","document":"wk-form4_1716495592.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1790340/000162828024024953/wk-form4_1716495592.xml","form_type":"4"}},{"id":1503129,"issuer":{"id":5884,"kind":"organization","name":"Immuneering Corp"},"owners":[{"id":67549,"kind":"person","name":"Bookman Michael","position":1,"cik":"0001840339","reported_name":"Bookman Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF LEGAL OFFICER, SECRETARY"}}],"security":"Stock Option","published_at":"2024-05-23T20:20:04.000Z","date":"2024-05-21","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":101116,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On May 21, 2024, the Issuer's Board of Directors approved an option repricing (the \"Repricing\") whereby the Reporting Person's options were repriced to an exercise price of $3.01 per share.  Under the terms of the Repricing, unless there is a change of control of the Issuer, the exercise price for the repriced options will revert to the original exercise price of the option if, prior to June 30, 2025, the Reporting Person: (i) is terminated by the Issuer for cause or resigns from the Issuer, except by reason of death or disability; or (ii) elects to exercise the repriced options. All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the Exchange Act, as applicable."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vests and becomes exercisable as to 25% of the underlying shares on July 15, 2022 and then in equal monthly installments over the subsequent three years, subject to Mr. Bookman's continued employment through each applicable vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"On May 21, 2024, the Issuer's Board of Directors approved an option repricing (the \"Repricing\") whereby the Reporting Person's options were repriced to an exercise price of $3.01 per share.  Under the terms of the Repricing, unless there is a change of control of the Issuer, the exercise price for the repriced options will revert to the original exercise price of the option if, prior to June 30, 2025, the Reporting Person: (i) is terminated by the Issuer for cause or resigns from the Issuer, except by reason of death or disability; or (ii) elects to exercise the repriced options. All of the other terms of the options remain unchanged. Such transactions were exempt pursuant to Rule 16b-6(d) and Rule 16b-3 of the Exchange Act, as applicable."}],"balance_after":0,"derivative":{"exercise_price":15,"expiration_date":"2031-07-28","underlying":"Class A Common Stock","underlying_shares":101116},"source":{"system":"sec-edgar","filing":"0001628280-24-024953","document":"wk-form4_1716495592.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1790340/000162828024024953/wk-form4_1716495592.xml","form_type":"4"}},{"id":1566985,"issuer":{"id":5884,"kind":"organization","name":"Immuneering Corp"},"owners":[{"id":67549,"kind":"person","name":"Bookman Michael","position":1,"cik":"0001840339","reported_name":"Bookman Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF LEGAL OFFICER, SECRETARY"}}],"security":"Class A Common Stock","published_at":"2024-03-19T23:14:34.000Z","date":"2024-03-15","kind":"grant","planned":false,"acquired":true,"shares":1448,"price":1.62,"value":2345.76,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The reporting person is voluntarily reporting the acquisition of shares of the issuer's Class A Common Stock pursuant to the Immuneering Corporation 2021 Employee Stock Purchase Plan (the \"ESPP\"), for the ESPP purchase period of September 15, 2023 through March 15, 2024. This transaction is also exempt pursuant to Rule 16b-3(c) promulgated pursuant to the Securities Exchange Act of 1934."},{"field":"date","element":"transactionDate","label":"F2","text":"The relevant Offering Period (as defined in the ESPP) ended, and the shares were acquired, on the Purchase Date (as defined in the ESPP) of March 15, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"In accordance with the ESPP, the shares were purchased at a price not less than eighty-five percent (85%) of the Fair Market Value (as defined in the ESPP) of a share of Class A Common Stock on the Purchase Date of March 15, 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