{"transactions":[{"id":727403,"issuer":{"id":1487,"kind":"organization","name":"LeonaBio, Inc.","symbol":"LONA"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2026-06-24T22:33:47.000Z","date":"2026-06-23","kind":"grant","planned":false,"acquired":true,"shares":2333,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The shares subject to the option will vest on the earlier of (i) June 23, 2027, or (ii) the day immediately before the date of the next annual meeting of the Issuer's stockholders that occurs after June 22, 2026. The option reported was granted pursuant to the terms of the Issuer's Outside Director Compensation Policy and is pro-rated based on the reporting person's appointment to the Issuer's board of directors on May 5, 2026."}],"balance_after":2333,"derivative":{"exercise_price":8.35,"expiration_date":"2036-06-22","underlying":"Common Stock","underlying_shares":2333},"source":{"system":"sec-edgar","filing":"0001790314-26-000004","document":"form4-06242026_100642.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1620463/000179031426000004/form4-06242026_100642.xml","form_type":"4"}},{"id":788232,"issuer":{"id":1487,"kind":"organization","name":"LeonaBio, Inc.","symbol":"LONA"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2026-05-08T00:26:04.000Z","date":"2026-05-05","kind":"grant","planned":false,"acquired":true,"shares":56000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The shares subject to the option are scheduled to vest monthly over a term of 36 months on the monthly anniversaries of the grant date, subject to the optionee continuing to be a Service Provider (as defined in the Issuer's 2026 Equity Incentive Plan) through the applicable vesting dates."}],"balance_after":56000,"derivative":{"exercise_price":9.63,"expiration_date":"2036-05-04","underlying":"Common Stock","underlying_shares":56000},"source":{"system":"sec-edgar","filing":"0001790314-26-000003","document":"form4-05082026_120552.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1620463/000179031426000003/form4-05082026_120552.xml","form_type":"4"}},{"id":970660,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Share Option (right to buy)","published_at":"2025-12-12T19:02:14.000Z","date":"2025-12-12","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":83000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 29, 2025, Merus N.V. (the \"Issuer\") entered into a transaction agreement (as it may be amended, supplemented or otherwise modified from time to time, the \"Transaction Agreement\") with Genmab A/S (\"Genmab\") and its wholly owned subsidiary, Genmab Holding II B.V. (the \"Purchaser\"). Pursuant to the terms of the Transaction Agreement, the Purchaser commenced a tender offer for all the issued and outstanding common shares, par value EUR 0.09 per share (the \"Shares\"), of the Issuer (the \"Offer\"), and, on December 12, 2025 (the \"Acceptance Time\"), the Purchaser accepted all of the Shares that were validly tendered and not properly withdrawn pursuant to the Offer as of the Acceptance Time in exchange for a cash payment equal to $97.00 per Share, without interest and less applicable withholding taxes (the \"Offer Consideration\"), which Offer Consideration will be paid as soon as practicable following the Acceptance Time."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This option was cancelled pursuant to the Transaction Agreement in exchange for cash (without interest and net of applicable withholding tax and other applicable deductions) in an amount equal to the product of (i) the amount by which the Offer Consideration exceeds the applicable exercise price per Share of such option and (ii) the aggregate number of Shares underlying such option."}],"balance_after":0,"derivative":{"exercise_price":24.61,"expiration_date":"2032-01-31","underlying":"Common Shares","underlying_shares":83000},"source":{"system":"sec-edgar","filing":"0001193125-25-317957","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000119312525317957/ownership.xml","form_type":"4"}},{"id":970659,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Share Option (right to buy)","published_at":"2025-12-12T19:02:14.000Z","date":"2025-12-12","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":20000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 29, 2025, Merus N.V. (the \"Issuer\") entered into a transaction agreement (as it may be amended, supplemented or otherwise modified from time to time, the \"Transaction Agreement\") with Genmab A/S (\"Genmab\") and its wholly owned subsidiary, Genmab Holding II B.V. (the \"Purchaser\"). Pursuant to the terms of the Transaction Agreement, the Purchaser commenced a tender offer for all the issued and outstanding common shares, par value EUR 0.09 per share (the \"Shares\"), of the Issuer (the \"Offer\"), and, on December 12, 2025 (the \"Acceptance Time\"), the Purchaser accepted all of the Shares that were validly tendered and not properly withdrawn pursuant to the Offer as of the Acceptance Time in exchange for a cash payment equal to $97.00 per Share, without interest and less applicable withholding taxes (the \"Offer Consideration\"), which Offer Consideration will be paid as soon as practicable following the Acceptance Time."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This option was cancelled pursuant to the Transaction Agreement in exchange for cash (without interest and net of applicable withholding tax and other applicable deductions) in an amount equal to the product of (i) the amount by which the Offer Consideration exceeds the applicable exercise price per Share of such option and (ii) the aggregate number of Shares underlying such option."}],"balance_after":0,"derivative":{"exercise_price":15.87,"expiration_date":"2033-01-01","underlying":"Common Shares","underlying_shares":20000},"source":{"system":"sec-edgar","filing":"0001193125-25-317957","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000119312525317957/ownership.xml","form_type":"4"}},{"id":970658,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Share Option (right to buy)","published_at":"2025-12-12T19:02:14.000Z","date":"2025-12-12","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":104000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 29, 2025, Merus N.V. (the \"Issuer\") entered into a transaction agreement (as it may be amended, supplemented or otherwise modified from time to time, the \"Transaction Agreement\") with Genmab A/S (\"Genmab\") and its wholly owned subsidiary, Genmab Holding II B.V. (the \"Purchaser\"). Pursuant to the terms of the Transaction Agreement, the Purchaser commenced a tender offer for all the issued and outstanding common shares, par value EUR 0.09 per share (the \"Shares\"), of the Issuer (the \"Offer\"), and, on December 12, 2025 (the \"Acceptance Time\"), the Purchaser accepted all of the Shares that were validly tendered and not properly withdrawn pursuant to the Offer as of the Acceptance Time in exchange for a cash payment equal to $97.00 per Share, without interest and less applicable withholding taxes (the \"Offer Consideration\"), which Offer Consideration will be paid as soon as practicable following the Acceptance Time."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This option was cancelled pursuant to the Transaction Agreement in exchange for cash (without interest and net of applicable withholding tax and other applicable deductions) in an amount equal to the product of (i) the amount by which the Offer Consideration exceeds the applicable exercise price per Share of such option and (ii) the aggregate number of Shares underlying such option."}],"balance_after":0,"derivative":{"exercise_price":16.07,"expiration_date":"2033-02-02","underlying":"Common Shares","underlying_shares":104000},"source":{"system":"sec-edgar","filing":"0001193125-25-317957","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000119312525317957/ownership.xml","form_type":"4"}},{"id":970657,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Share Option (right to buy)","published_at":"2025-12-12T19:02:14.000Z","date":"2025-12-12","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":12714,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 29, 2025, Merus N.V. (the \"Issuer\") entered into a transaction agreement (as it may be amended, supplemented or otherwise modified from time to time, the \"Transaction Agreement\") with Genmab A/S (\"Genmab\") and its wholly owned subsidiary, Genmab Holding II B.V. (the \"Purchaser\"). Pursuant to the terms of the Transaction Agreement, the Purchaser commenced a tender offer for all the issued and outstanding common shares, par value EUR 0.09 per share (the \"Shares\"), of the Issuer (the \"Offer\"), and, on December 12, 2025 (the \"Acceptance Time\"), the Purchaser accepted all of the Shares that were validly tendered and not properly withdrawn pursuant to the Offer as of the Acceptance Time in exchange for a cash payment equal to $97.00 per Share, without interest and less applicable withholding taxes (the \"Offer Consideration\"), which Offer Consideration will be paid as soon as practicable following the Acceptance Time."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This option was cancelled pursuant to the Transaction Agreement in exchange for cash (without interest and net of applicable withholding tax and other applicable deductions) in an amount equal to the product of (i) the amount by which the Offer Consideration exceeds the applicable exercise price per Share of such option and (ii) the aggregate number of Shares underlying such option."}],"balance_after":0,"derivative":{"exercise_price":12.37,"expiration_date":"2030-04-16","underlying":"Common Shares","underlying_shares":12714},"source":{"system":"sec-edgar","filing":"0001193125-25-317957","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000119312525317957/ownership.xml","form_type":"4"}},{"id":970656,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Share Option (right to buy)","published_at":"2025-12-12T19:02:14.000Z","date":"2025-12-12","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":3900,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 29, 2025, Merus N.V. (the \"Issuer\") entered into a transaction agreement (as it may be amended, supplemented or otherwise modified from time to time, the \"Transaction Agreement\") with Genmab A/S (\"Genmab\") and its wholly owned subsidiary, Genmab Holding II B.V. (the \"Purchaser\"). Pursuant to the terms of the Transaction Agreement, the Purchaser commenced a tender offer for all the issued and outstanding common shares, par value EUR 0.09 per share (the \"Shares\"), of the Issuer (the \"Offer\"), and, on December 12, 2025 (the \"Acceptance Time\"), the Purchaser accepted all of the Shares that were validly tendered and not properly withdrawn pursuant to the Offer as of the Acceptance Time in exchange for a cash payment equal to $97.00 per Share, without interest and less applicable withholding taxes (the \"Offer Consideration\"), which Offer Consideration will be paid as soon as practicable following the Acceptance Time."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This option was cancelled pursuant to the Transaction Agreement in exchange for cash (without interest and net of applicable withholding tax and other applicable deductions) in an amount equal to the product of (i) the amount by which the Offer Consideration exceeds the applicable exercise price per Share of such option and (ii) the aggregate number of Shares underlying such option."}],"balance_after":0,"derivative":{"exercise_price":11.16,"expiration_date":"2029-02-20","underlying":"Common Shares","underlying_shares":3900},"source":{"system":"sec-edgar","filing":"0001193125-25-317957","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000119312525317957/ownership.xml","form_type":"4"}},{"id":970655,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Share Option (right to buy)","published_at":"2025-12-12T19:02:14.000Z","date":"2025-12-12","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":107300,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 29, 2025, Merus N.V. (the \"Issuer\") entered into a transaction agreement (as it may be amended, supplemented or otherwise modified from time to time, the \"Transaction Agreement\") with Genmab A/S (\"Genmab\") and its wholly owned subsidiary, Genmab Holding II B.V. (the \"Purchaser\"). Pursuant to the terms of the Transaction Agreement, the Purchaser commenced a tender offer for all the issued and outstanding common shares, par value EUR 0.09 per share (the \"Shares\"), of the Issuer (the \"Offer\"), and, on December 12, 2025 (the \"Acceptance Time\"), the Purchaser accepted all of the Shares that were validly tendered and not properly withdrawn pursuant to the Offer as of the Acceptance Time in exchange for a cash payment equal to $97.00 per Share, without interest and less applicable withholding taxes (the \"Offer Consideration\"), which Offer Consideration will be paid as soon as practicable following the Acceptance Time."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This option was cancelled pursuant to the Transaction Agreement in exchange for cash (without interest and net of applicable withholding tax and other applicable deductions) in an amount equal to the product of (i) the amount by which the Offer Consideration exceeds the applicable exercise price per Share of such option and (ii) the aggregate number of Shares underlying such option."}],"balance_after":0,"derivative":{"exercise_price":36.09,"expiration_date":"2034-01-31","underlying":"Common Shares","underlying_shares":107300},"source":{"system":"sec-edgar","filing":"0001193125-25-317957","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000119312525317957/ownership.xml","form_type":"4"}},{"id":970654,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Share Option (right to buy)","published_at":"2025-12-12T19:02:14.000Z","date":"2025-12-12","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":125000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 29, 2025, Merus N.V. (the \"Issuer\") entered into a transaction agreement (as it may be amended, supplemented or otherwise modified from time to time, the \"Transaction Agreement\") with Genmab A/S (\"Genmab\") and its wholly owned subsidiary, Genmab Holding II B.V. (the \"Purchaser\"). Pursuant to the terms of the Transaction Agreement, the Purchaser commenced a tender offer for all the issued and outstanding common shares, par value EUR 0.09 per share (the \"Shares\"), of the Issuer (the \"Offer\"), and, on December 12, 2025 (the \"Acceptance Time\"), the Purchaser accepted all of the Shares that were validly tendered and not properly withdrawn pursuant to the Offer as of the Acceptance Time in exchange for a cash payment equal to $97.00 per Share, without interest and less applicable withholding taxes (the \"Offer Consideration\"), which Offer Consideration will be paid as soon as practicable following the Acceptance Time."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This option was cancelled pursuant to the Transaction Agreement in exchange for cash (without interest and net of applicable withholding tax and other applicable deductions) in an amount equal to the product of (i) the amount by which the Offer Consideration exceeds the applicable exercise price per Share of such option and (ii) the aggregate number of Shares underlying such option."}],"balance_after":0,"derivative":{"exercise_price":41.65,"expiration_date":"2035-01-29","underlying":"Common Shares","underlying_shares":125000},"source":{"system":"sec-edgar","filing":"0001193125-25-317957","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000119312525317957/ownership.xml","form_type":"4"}},{"id":970653,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Share Option (right to buy)","published_at":"2025-12-12T19:02:14.000Z","date":"2025-12-12","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On September 29, 2025, Merus N.V. (the \"Issuer\") entered into a transaction agreement (as it may be amended, supplemented or otherwise modified from time to time, the \"Transaction Agreement\") with Genmab A/S (\"Genmab\") and its wholly owned subsidiary, Genmab Holding II B.V. (the \"Purchaser\"). Pursuant to the terms of the Transaction Agreement, the Purchaser commenced a tender offer for all the issued and outstanding common shares, par value EUR 0.09 per share (the \"Shares\"), of the Issuer (the \"Offer\"), and, on December 12, 2025 (the \"Acceptance Time\"), the Purchaser accepted all of the Shares that were validly tendered and not properly withdrawn pursuant to the Offer as of the Acceptance Time in exchange for a cash payment equal to $97.00 per Share, without interest and less applicable withholding taxes (the \"Offer Consideration\"), which Offer Consideration will be paid as soon as practicable following the Acceptance Time."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This option was cancelled pursuant to the Transaction Agreement in exchange for cash (without interest and net of applicable withholding tax and other applicable deductions) in an amount equal to the product of (i) the amount by which the Offer Consideration exceeds the applicable exercise price per Share of such option and (ii) the aggregate number of Shares underlying such option."}],"balance_after":0,"derivative":{"exercise_price":24.43,"expiration_date":"2031-02-16","underlying":"Common Shares","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0001193125-25-317957","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000119312525317957/ownership.xml","form_type":"4"}},{"id":1084540,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Share Option (right to buy)","published_at":"2025-07-18T16:05:09.000Z","date":"2025-07-17","kind":"exercise","planned":true,"acquired":false,"shares":25000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 20, 2025."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The options are fully vested and exercisable."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Number of derivative securities beneficially owned following the reported transaction is in reference to the number of options that remain outstanding of those originally granted on February 16, 2021."}],"balance_after":50000,"derivative":{"exercise_price":24.43,"expiration_date":"2031-02-16","underlying":"Common Shares","underlying_shares":25000},"source":{"system":"sec-edgar","filing":"0000950170-25-096919","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000095017025096919/ownership.xml","form_type":"4"}},{"id":1084539,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Common Shares","published_at":"2025-07-18T16:05:09.000Z","date":"2025-07-17","kind":"sale","planned":true,"acquired":false,"shares":25000,"price":60,"value":1500000.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 20, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Amount represents the weighted average price of shares sold, which ranged from $60.00 to $60.07. Details of individual transactions are available upon request."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000950170-25-096919","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000095017025096919/ownership.xml","form_type":"4"}},{"id":1084538,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Common Shares","published_at":"2025-07-18T16:05:09.000Z","date":"2025-07-17","kind":"exercise","planned":true,"acquired":true,"shares":25000,"price":24.43,"value":610750.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 20, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the exercise price of the options originally granted on February 16, 2021."}],"balance_after":25000,"source":{"system":"sec-edgar","filing":"0000950170-25-096919","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000095017025096919/ownership.xml","form_type":"4"}},{"id":1088435,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Share Option (right to buy)","published_at":"2025-07-11T16:09:56.000Z","date":"2025-07-10","kind":"exercise","planned":true,"acquired":false,"shares":16805,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 20, 2025."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The options are fully vested and exercisable."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Number of derivative securities beneficially owned following the reported transaction is in reference to the number of options that remain outstanding of those originally granted on February 14, 2020."}],"balance_after":0,"derivative":{"exercise_price":18.61,"expiration_date":"2030-02-14","underlying":"Common Shares","underlying_shares":16805},"source":{"system":"sec-edgar","filing":"0000950170-25-095292","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000095017025095292/ownership.xml","form_type":"4"}},{"id":1088434,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Share Option (right to buy)","published_at":"2025-07-11T16:09:56.000Z","date":"2025-07-09","kind":"exercise","planned":true,"acquired":false,"shares":6695,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 20, 2025."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The options are fully vested and exercisable."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Number of derivative securities beneficially owned following the reported transaction is in reference to the number of options that remain outstanding of those originally granted on February 14, 2020."}],"balance_after":16805,"derivative":{"exercise_price":18.61,"expiration_date":"2030-02-14","underlying":"Common Shares","underlying_shares":6695},"source":{"system":"sec-edgar","filing":"0000950170-25-095292","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000095017025095292/ownership.xml","form_type":"4"}},{"id":1088433,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Common Shares","published_at":"2025-07-11T16:09:56.000Z","date":"2025-07-10","kind":"sale","planned":true,"acquired":false,"shares":16805,"price":55,"value":924275.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 20, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Amount represents the weighted average price of shares sold, which ranged from $55.00 to $55.04. Details of individual transactions are available upon request."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000950170-25-095292","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000095017025095292/ownership.xml","form_type":"4"}},{"id":1088432,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Common Shares","published_at":"2025-07-11T16:09:56.000Z","date":"2025-07-10","kind":"exercise","planned":true,"acquired":true,"shares":16805,"price":18.61,"value":312741.05,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 20, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the exercise price of the options originally granted on February 14, 2020."}],"balance_after":16805,"source":{"system":"sec-edgar","filing":"0000950170-25-095292","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000095017025095292/ownership.xml","form_type":"4"}},{"id":1088431,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Common Shares","published_at":"2025-07-11T16:09:56.000Z","date":"2025-07-09","kind":"sale","planned":true,"acquired":false,"shares":6695,"price":55,"value":368225.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 20, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Amount represents the weighted average price of shares sold, which ranged from $55.00 to $55.07. Details of individual transactions are available upon request."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000950170-25-095292","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000095017025095292/ownership.xml","form_type":"4"}},{"id":1088430,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Common Shares","published_at":"2025-07-11T16:09:56.000Z","date":"2025-07-09","kind":"exercise","planned":true,"acquired":true,"shares":6695,"price":18.61,"value":124593.95,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 20, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the exercise price of the options originally granted on February 14, 2020."}],"balance_after":6695,"source":{"system":"sec-edgar","filing":"0000950170-25-095292","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000095017025095292/ownership.xml","form_type":"4"}},{"id":1102349,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Share Option (right to buy)","published_at":"2025-06-24T16:00:05.000Z","date":"2025-06-20","kind":"exercise","planned":true,"acquired":false,"shares":34000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 20, 2025."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The options are fully vested and exercisable."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Number of derivative securities beneficially owned following the reported transaction is in reference to the number of options that remain outstanding of those originally granted on February 14, 2020."}],"balance_after":23500,"derivative":{"exercise_price":18.61,"expiration_date":"2030-02-14","underlying":"Common Shares","underlying_shares":34000},"source":{"system":"sec-edgar","filing":"0000950170-25-089442","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000095017025089442/ownership.xml","form_type":"4"}},{"id":1102348,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Common Shares","published_at":"2025-06-24T16:00:05.000Z","date":"2025-06-20","kind":"sale","planned":true,"acquired":false,"shares":34000,"price":52.76,"value":1793840.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 20, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Amount represents the weighted average price of shares sold, which ranged from $52.44 to $53.06. Details of individual transactions are available upon request."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000950170-25-089442","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000095017025089442/ownership.xml","form_type":"4"}},{"id":1102347,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Common Shares","published_at":"2025-06-24T16:00:05.000Z","date":"2025-06-20","kind":"exercise","planned":true,"acquired":true,"shares":34000,"price":18.61,"value":632740.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 20, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the exercise price of the options originally granted on February 14, 2020."}],"balance_after":34000,"source":{"system":"sec-edgar","filing":"0000950170-25-089442","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000095017025089442/ownership.xml","form_type":"4"}},{"id":1289132,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Share Option (right to buy)","published_at":"2025-01-31T16:32:09.000Z","date":"2025-01-29","kind":"grant","planned":false,"acquired":true,"shares":125000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Options vest over a four-year period from January 1, 2025. 25% vest on January 1, 2026 and in 36 equal monthly installments thereafter."}],"balance_after":125000,"derivative":{"exercise_price":41.65,"expiration_date":"2035-01-29","underlying":"Common Shares","underlying_shares":125000},"source":{"system":"sec-edgar","filing":"0000950170-25-011798","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000095017025011798/ownership.xml","form_type":"4"}},{"id":1466970,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Share Option (right to buy)","published_at":"2024-06-28T16:05:04.000Z","date":"2024-06-27","kind":"exercise","planned":true,"acquired":false,"shares":7453,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 15, 2024."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The options is fully vested and exercisable."}],"balance_after":0,"derivative":{"exercise_price":17.94,"expiration_date":"2028-02-21","underlying":"Common Shares","underlying_shares":7453},"source":{"system":"sec-edgar","filing":"0000950170-24-079035","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000095017024079035/ownership.xml","form_type":"4"}},{"id":1466969,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Share Option (right to buy)","published_at":"2024-06-28T16:05:04.000Z","date":"2024-06-27","kind":"exercise","planned":true,"acquired":false,"shares":2547,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 15, 2024."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The options is fully vested and exercisable."}],"balance_after":0,"derivative":{"exercise_price":17.94,"expiration_date":"2028-02-21","underlying":"Common Shares","underlying_shares":2547},"source":{"system":"sec-edgar","filing":"0000950170-24-079035","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000095017024079035/ownership.xml","form_type":"4"}},{"id":1466968,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Common Shares","published_at":"2024-06-28T16:05:04.000Z","date":"2024-06-27","kind":"sale","planned":true,"acquired":false,"shares":10000,"price":60,"value":600000.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 15, 2024."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000950170-24-079035","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000095017024079035/ownership.xml","form_type":"4"}},{"id":1466967,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Common Shares","published_at":"2024-06-28T16:05:04.000Z","date":"2024-06-27","kind":"exercise","planned":true,"acquired":true,"shares":7453,"price":17.94,"value":133706.82,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 15, 2024."}],"balance_after":10000,"source":{"system":"sec-edgar","filing":"0000950170-24-079035","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000095017024079035/ownership.xml","form_type":"4"}},{"id":1466966,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Common Shares","published_at":"2024-06-28T16:05:04.000Z","date":"2024-06-27","kind":"exercise","planned":true,"acquired":true,"shares":2547,"price":17.94,"value":45693.18,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 15, 2024."}],"balance_after":2547,"source":{"system":"sec-edgar","filing":"0000950170-24-079035","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000095017024079035/ownership.xml","form_type":"4"}},{"id":1472752,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Share Option (right to buy)","published_at":"2024-06-20T16:30:06.000Z","date":"2024-06-17","kind":"exercise","planned":true,"acquired":false,"shares":9253,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 15, 2024."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option is fully vested and exercisable."}],"balance_after":7453,"derivative":{"exercise_price":17.94,"expiration_date":"2028-02-21","underlying":"Common Shares","underlying_shares":9253},"source":{"system":"sec-edgar","filing":"0000950170-24-075625","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000095017024075625/ownership.xml","form_type":"4"}},{"id":1472751,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Share Option (right to buy)","published_at":"2024-06-20T16:30:06.000Z","date":"2024-06-17","kind":"exercise","planned":true,"acquired":false,"shares":2747,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 15, 2024."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option is fully vested and exercisable."}],"balance_after":2547,"derivative":{"exercise_price":17.94,"expiration_date":"2028-02-21","underlying":"Common Shares","underlying_shares":2747},"source":{"system":"sec-edgar","filing":"0000950170-24-075625","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000095017024075625/ownership.xml","form_type":"4"}},{"id":1472750,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Share Option (right to buy)","published_at":"2024-06-20T16:30:06.000Z","date":"2024-06-17","kind":"exercise","planned":true,"acquired":false,"shares":41577,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 15, 2024."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option is fully vested and exercisable."}],"balance_after":0,"derivative":{"exercise_price":25.9,"expiration_date":"2027-02-15","underlying":"Common Shares","underlying_shares":41577},"source":{"system":"sec-edgar","filing":"0000950170-24-075625","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000095017024075625/ownership.xml","form_type":"4"}},{"id":1472749,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Share Option (right to buy)","published_at":"2024-06-20T16:30:06.000Z","date":"2024-06-17","kind":"exercise","planned":true,"acquired":false,"shares":8423,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 15, 2024."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option is fully vested and exercisable."}],"balance_after":0,"derivative":{"exercise_price":25.9,"expiration_date":"2027-02-15","underlying":"Common Shares","underlying_shares":8423},"source":{"system":"sec-edgar","filing":"0000950170-24-075625","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000095017024075625/ownership.xml","form_type":"4"}},{"id":1472748,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Common Shares","published_at":"2024-06-20T16:30:06.000Z","date":"2024-06-17","kind":"sale","planned":true,"acquired":false,"shares":62000,"price":56.519,"value":3504178.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 15, 2024."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000950170-24-075625","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000095017024075625/ownership.xml","form_type":"4"}},{"id":1472747,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Common Shares","published_at":"2024-06-20T16:30:06.000Z","date":"2024-06-17","kind":"exercise","planned":true,"acquired":true,"shares":9253,"price":17.94,"value":165998.82,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 15, 2024."}],"balance_after":62000,"source":{"system":"sec-edgar","filing":"0000950170-24-075625","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000095017024075625/ownership.xml","form_type":"4"}},{"id":1472746,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Common Shares","published_at":"2024-06-20T16:30:06.000Z","date":"2024-06-17","kind":"exercise","planned":true,"acquired":true,"shares":2747,"price":17.94,"value":49281.18,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 15, 2024."}],"balance_after":52747,"source":{"system":"sec-edgar","filing":"0000950170-24-075625","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000095017024075625/ownership.xml","form_type":"4"}},{"id":1472745,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Common Shares","published_at":"2024-06-20T16:30:06.000Z","date":"2024-06-17","kind":"exercise","planned":true,"acquired":true,"shares":41577,"price":25.9,"value":1076844.3,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 15, 2024."}],"balance_after":50000,"source":{"system":"sec-edgar","filing":"0000950170-24-075625","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000095017024075625/ownership.xml","form_type":"4"}},{"id":1472744,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Common Shares","published_at":"2024-06-20T16:30:06.000Z","date":"2024-06-17","kind":"exercise","planned":true,"acquired":true,"shares":8423,"price":25.9,"value":218155.7,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These transactions were effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on March 15, 2024."}],"balance_after":8423,"source":{"system":"sec-edgar","filing":"0000950170-24-075625","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000095017024075625/ownership.xml","form_type":"4"}},{"id":1521802,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Share Option (right to buy)","published_at":"2024-05-09T16:30:24.000Z","date":"2024-05-07","kind":"grant","planned":false,"acquired":true,"shares":107300,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"On February 1, 2024, the Board of Directors approved the grant of options to purchase the common shares, at an exercise price of $36.09 per share, subject to the Company's general meeting resolving upon, and the Board having implemented through an amendment to the Company's articles of association, an increase in the authorized share capital sufficient to satisfy the award set forth (the \"Shareholder Approval Condition\"). On May 7, 2024, the shareholders approved the amendment to the Company's articles of association, including the increase in the authorized share capital satisfying the Shareholder Approval Condition."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Options vest over a four-year period from January 1, 2024. 25% vest on January 1, 2025 and in 36 equal monthly installments thereafter."}],"balance_after":107300,"derivative":{"exercise_price":36.09,"expiration_date":"2034-01-31","underlying":"Common Shares","underlying_shares":107300},"source":{"system":"sec-edgar","filing":"0000950170-24-057089","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000095017024057089/ownership.xml","form_type":"4"}},{"id":1706629,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Share Option (right to buy)","published_at":"2023-12-18T17:15:06.000Z","date":"2023-12-15","kind":"exercise","planned":false,"acquired":false,"shares":1286,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Represents the exercise price of the options originally granted on April 16, 2020."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Options vest over a four-year period commencing April 16, 2020. 25% vest after one year and in 36 equal monthly installments thereafter."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F7","text":"Number of derivative securities beneficially owned following the reported transaction is in reference to the number of options that remain outstanding of those originally granted on April 20, 2020."}],"balance_after":0,"derivative":{"exercise_price":12.37,"expiration_date":"2030-04-16","underlying":"Common Shares","underlying_shares":1286},"source":{"system":"sec-edgar","filing":"0001209191-23-058994","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000120919123058994/doc4.xml","form_type":"4"}},{"id":1706628,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Share Option (right to buy)","published_at":"2023-12-18T17:15:06.000Z","date":"2023-12-15","kind":"exercise","planned":false,"acquired":false,"shares":21100,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Represents the exercise price of the options originally granted on February 20, 2019."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Options vest over a four-year period commencing February 20, 2019. 25% vest after one year and in 36 equal monthly installments thereafter."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Number of derivative securities beneficially owned following the reported transaction is in reference to the number of options that remain outstanding of those originally granted on February 20, 2019."}],"balance_after":0,"derivative":{"exercise_price":11.16,"expiration_date":"2029-02-20","underlying":"Common Shares","underlying_shares":21100},"source":{"system":"sec-edgar","filing":"0001209191-23-058994","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000120919123058994/doc4.xml","form_type":"4"}},{"id":1706627,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Common Shares","published_at":"2023-12-18T17:15:06.000Z","date":"2023-12-15","kind":"sale","planned":false,"acquired":false,"shares":22386,"price":25,"value":559650.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Amount represents the weighted average price of shares sold, which ranged from $25.02 to $25.00. Details of individual transactions are available upon request."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-23-058994","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000120919123058994/doc4.xml","form_type":"4"}},{"id":1706626,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Common Shares","published_at":"2023-12-18T17:15:06.000Z","date":"2023-12-15","kind":"exercise","planned":false,"acquired":true,"shares":1286,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the exercise price of the options originally granted on April 16, 2020."}],"balance_after":22386,"source":{"system":"sec-edgar","filing":"0001209191-23-058994","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000120919123058994/doc4.xml","form_type":"4"}},{"id":1706625,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Common Shares","published_at":"2023-12-18T17:15:06.000Z","date":"2023-12-15","kind":"exercise","planned":false,"acquired":true,"shares":21100,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents the exercise price of the options originally granted on February 20, 2019."}],"balance_after":21100,"source":{"system":"sec-edgar","filing":"0001209191-23-058994","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000120919123058994/doc4.xml","form_type":"4"}},{"id":2032013,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Share Option (right to buy)","published_at":"2023-02-03T16:25:14.000Z","date":"2023-02-02","kind":"grant","acquired":true,"shares":104000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Options vest over a four-year period from January 1, 2023. 25% vest on January 1, 2024 and in 36 equal monthly installments thereafter."}],"balance_after":104000,"derivative":{"exercise_price":16.07,"expiration_date":"2033-02-02","underlying":"Common Shares","underlying_shares":104000},"source":{"system":"sec-edgar","filing":"0001209191-23-006853","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000120919123006853/doc4.xml","form_type":"4"}},{"id":2059869,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"COO & GC"}}],"security":"Share Option(right to buy)","published_at":"2023-01-06T08:54:23.000Z","date":"2023-01-04","kind":"grant","acquired":true,"shares":20000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Options vest over a four-year period from January 1, 2023. 25% vest on January 1, 2024 and in 36 equal installments thereafter."}],"balance_after":20000,"derivative":{"exercise_price":15.87,"expiration_date":"2033-01-01","underlying":"Common Shares","underlying_shares":20000},"source":{"system":"sec-edgar","filing":"0001209191-23-002234","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000120919123002234/doc4.xml","form_type":"4"}},{"id":2337173,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, GC and Head of Utrecht"}}],"security":"Share Option (right to buy)","published_at":"2022-03-11T14:34:36.000Z","date":"2022-03-10","kind":"exercise","acquired":false,"shares":60000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Represents the exercise price of the options originally granted on February 20, 2019."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Options vest over a four-year period commencing February 20, 2019. 25% vest after one year and in 36 equal monthly installments thereafter."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Number of derivative securities beneficially owned following the reported transaction is in reference to the number of options that remain outstanding of those originally granted on February 20, 2019."}],"balance_after":21100,"derivative":{"exercise_price":11.16,"expiration_date":"2029-02-20","underlying":"Common Shares","underlying_shares":60000},"source":{"system":"sec-edgar","filing":"0001209191-22-018129","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000120919122018129/doc4.xml","form_type":"4"}},{"id":2337172,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, GC and Head of Utrecht"}}],"security":"Common Shares","published_at":"2022-03-11T14:34:36.000Z","date":"2022-03-10","kind":"sale","acquired":false,"shares":60000,"price":26.95,"value":1617000.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Amount represents the weighted average price of shares sold, which ranged from $26.50 to $27.36. Details of individual transactions are available upon request."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-22-018129","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000120919122018129/doc4.xml","form_type":"4"}},{"id":2337171,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, GC and Head of Utrecht"}}],"security":"Common Shares","published_at":"2022-03-11T14:34:36.000Z","date":"2022-03-10","kind":"exercise","acquired":true,"shares":60000,"price":11.16,"value":669600.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents the exercise price of the options originally granted on February 20, 2019."}],"balance_after":60000,"source":{"system":"sec-edgar","filing":"0001209191-22-018129","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000120919122018129/doc4.xml","form_type":"4"}},{"id":2415776,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, GC and Head of Utrecht"}}],"security":"Share Option (right to buy)","published_at":"2022-02-02T13:59:43.000Z","date":"2022-01-31","kind":"grant","acquired":true,"shares":83000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Options vest over a four-year period from January 1, 2022. 25% vest on January 1, 2023 and in 36 equal monthly installments thereafter."}],"balance_after":83000,"derivative":{"exercise_price":24.61,"expiration_date":"2032-01-31","underlying":"Common Shares","underlying_shares":83000},"source":{"system":"sec-edgar","filing":"0001209191-22-006287","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000120919122006287/doc4.xml","form_type":"4"}},{"id":2848781,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, GC and Head of Utrecht"}}],"security":"Share Option (right to buy)","published_at":"2021-02-18T16:00:23.000Z","date":"2021-02-16","kind":"grant","acquired":true,"shares":75000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Options vest over a four-year period from January 1, 2021. 25% vest on January 1, 2022 and in 36 equal monthly installments thereafter."}],"balance_after":75000,"derivative":{"exercise_price":24.43,"expiration_date":"2031-02-16","underlying":"Common Shares","underlying_shares":75000},"source":{"system":"sec-edgar","filing":"0001209191-21-011781","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000120919121011781/doc4.xml","form_type":"4"}},{"id":3172874,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & General Counsel"}}],"security":"Share Option (right to buy)","published_at":"2020-04-20T16:05:34.000Z","date":"2020-04-16","kind":"grant","acquired":true,"shares":14000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Options vest over a four-year period from April 16, 2020. 25% vest on April 16, 2021 and in 36 equal monthly installments thereafter."}],"balance_after":14000,"derivative":{"exercise_price":12.37,"expiration_date":"2030-04-16","underlying":"Common Shares","underlying_shares":14000},"source":{"system":"sec-edgar","filing":"0000899243-20-010988","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000089924320010988/doc4.xml","form_type":"4"}},{"id":3261854,"issuer":{"id":70740,"kind":"organization","name":"Merus N.V.","symbol":"MRUS"},"owners":[{"id":27987,"kind":"person","name":"Silverman Peter B.","position":1,"cik":"0001790314","reported_name":"Silverman Peter B.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & General Counsel"}}],"security":"Share Option (right to buy)","published_at":"2020-02-19T17:00:18.000Z","date":"2020-02-14","kind":"grant","acquired":true,"shares":57500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Options vest over a four-year period from January 1, 2020. 25% vest on January 1, 2021 and in 36 equal monthly installments thereafter."}],"balance_after":57500,"derivative":{"exercise_price":18.61,"expiration_date":"2030-02-14","underlying":"Common Shares","underlying_shares":57500},"source":{"system":"sec-edgar","filing":"0001209191-20-010645","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1651311/000120919120010645/doc4.xml","form_type":"4"}}]}