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The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide to the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":128667,"source":{"system":"sec-edgar","filing":"0001628280-26-027959","document":"wk-form4_1777407962.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828026027959/wk-form4_1777407962.xml","form_type":"4"}},{"id":808160,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2026-04-15T20:13:09.000Z","date":"2026-04-13","kind":"sale","planned":true,"acquired":false,"shares":5703,"price":85.4269,"value":487189.6107,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This transaction is part of a 10b5-1 plan adopted on December 16, 2025 by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $85.18 to $85.82. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide to the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":130840,"source":{"system":"sec-edgar","filing":"0001628280-26-025255","document":"wk-form4_1776283986.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828026025255/wk-form4_1776283986.xml","form_type":"4"}},{"id":810376,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2026-04-10T21:30:36.000Z","date":"2026-04-09","kind":"sale","planned":true,"acquired":false,"shares":841,"price":85.11,"value":71577.51,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This transaction is part of a 10b5-1 plan adopted on December 16, 2025 by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades at prices ranging from $85.00 to $85.50. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide to the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":136543,"source":{"system":"sec-edgar","filing":"0001628280-26-024769","document":"wk-form4_1775856634.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828026024769/wk-form4_1775856634.xml","form_type":"4"}},{"id":810375,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2026-04-10T21:30:36.000Z","date":"2026-04-08","kind":"sale","planned":true,"acquired":false,"shares":3366,"price":85.1942,"value":286763.6772,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This transaction is part of a 10b5-1 plan adopted on December 16, 2025 by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $85.00 to $85.54. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide to the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":137384,"source":{"system":"sec-edgar","filing":"0001628280-26-024769","document":"wk-form4_1775856634.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828026024769/wk-form4_1775856634.xml","form_type":"4"}},{"id":834967,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2026-03-18T21:50:13.000Z","date":"2026-03-17","kind":"sale","planned":true,"acquired":false,"shares":1100,"price":81.403,"value":89543.3,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This transaction is part of a 10b5-1 plan adopted on December 16, 2025 by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"This transaction was executed in multiple trades at prices ranging from $81.16 to $81.87. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide to the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":140750,"source":{"system":"sec-edgar","filing":"0001628280-26-019542","document":"wk-form4_1773870610.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828026019542/wk-form4_1773870610.xml","form_type":"4"}},{"id":834966,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2026-03-18T21:50:13.000Z","date":"2026-03-17","kind":"sale","planned":true,"acquired":false,"shares":1546,"price":80.2808,"value":124114.1168,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This transaction is part of a 10b5-1 plan adopted on December 16, 2025 by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"This transaction was executed in multiple trades at prices ranging from $79.99 to $80.74. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide to the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":141850,"source":{"system":"sec-edgar","filing":"0001628280-26-019542","document":"wk-form4_1773870610.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828026019542/wk-form4_1773870610.xml","form_type":"4"}},{"id":834965,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2026-03-18T21:50:13.000Z","date":"2026-03-17","kind":"sale","planned":true,"acquired":false,"shares":460,"price":78.8042,"value":36249.932,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This transaction is part of a 10b5-1 plan adopted on December 16, 2025 by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This transaction was executed in multiple trades at prices ranging from $78.57 to $79.17. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide to the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":143396,"source":{"system":"sec-edgar","filing":"0001628280-26-019542","document":"wk-form4_1773870610.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828026019542/wk-form4_1773870610.xml","form_type":"4"}},{"id":834964,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2026-03-18T21:50:13.000Z","date":"2026-03-17","kind":"sale","planned":true,"acquired":false,"shares":4167,"price":78.0702,"value":325318.5234,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This transaction is part of a 10b5-1 plan adopted on December 16, 2025 by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades at prices ranging from $77.57 to $78.54. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide to the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":143856,"source":{"system":"sec-edgar","filing":"0001628280-26-019542","document":"wk-form4_1773870610.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828026019542/wk-form4_1773870610.xml","form_type":"4"}},{"id":834963,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2026-03-18T21:50:13.000Z","date":"2026-03-17","kind":"sale","planned":true,"acquired":false,"shares":2637,"price":77.1047,"value":203325.0939,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This transaction is part of a 10b5-1 plan adopted on December 16, 2025 by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $76.57 to $77.56. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide to the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price."}],"balance_after":148023,"source":{"system":"sec-edgar","filing":"0001628280-26-019542","document":"wk-form4_1773870610.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828026019542/wk-form4_1773870610.xml","form_type":"4"}},{"id":861427,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2026-03-04T22:14:21.000Z","date":"2026-03-02","kind":"tax_withholding","planned":false,"acquired":false,"shares":16070,"price":89.17,"value":1432961.9,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Reflects the withholding of 16,070 shares by the Company to satisfy tax withholding requirements. 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(the \"Company\") common stock issued to the reporting person on March 2, 2026 upon vesting of 27,224 performance-based restricted stock units, based on the achievement of certain pre-established performance goals at above-target levels for the performance period commencing on January 1, 2023 through December 31, 2025. Such transaction was exempt from Section 16(b) pursuant to Rule 16b-3."}],"balance_after":166730,"source":{"system":"sec-edgar","filing":"0001628280-26-014725","document":"wk-form4_1772662459.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828026014725/wk-form4_1772662459.xml","form_type":"4"}},{"id":951370,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2026-01-05T21:49:14.000Z","date":"2026-01-01","kind":"grant","planned":false,"acquired":true,"shares":2276,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the Company's common stock, exempt under Rule 16b-3(d)(1) and (3)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"This award of RSUs was granted on January 1, 2026. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2027, January 1, 2028 and January 1, 2029, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"This award of RSUs was granted on January 1, 2026. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2027, January 1, 2028 and January 1, 2029, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. 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The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2026, January 1, 2027 and January 1, 2028, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"This award of RSUs was granted on January 1, 2025. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2026, January 1, 2027 and January 1, 2028, subject to continued employment through the applicable vesting date. 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The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2025, January 1, 2026 and January 1, 2027, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"This award of RSUs was granted on January 1, 2024. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2025, January 1, 2026 and January 1, 2027, subject to continued employment through the applicable vesting date. 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The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2024, January 1, 2025 and January 1, 2026, subject to continued employment through the applicable vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"This award of RSUs was granted on June 30, 2023. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2024, January 1, 2025 and January 1, 2026, subject to continued employment through the applicable vesting date."}],"balance_after":4504,"derivative":{"underlying":"Common Stock","underlying_shares":98},"source":{"system":"sec-edgar","filing":"0001628280-26-000531","document":"wk-form4_1767649742.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828026000531/wk-form4_1767649742.xml","form_type":"4"}},{"id":951366,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2026-01-05T21:49:14.000Z","date":"2026-01-01","kind":"exercise","planned":false,"acquired":false,"shares":4440,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the Company's common stock, exempt under Rule 16b-3(d)(1) and (3)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"This award of RSUs was granted on January 4, 2023. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2024, January 1, 2025 and January 1, 2026, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"This award of RSUs was granted on January 4, 2023. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2024, January 1, 2025 and January 1, 2026, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. 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The reporting person and her spouse are trustees of the Brooks Family Trust. The Reporting Person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein, and the inclusion of these securities in this report will not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes."}],"balance_after":3897,"source":{"system":"sec-edgar","filing":"0001628280-25-057960","document":"wk-form4_1766093065.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828025057960/wk-form4_1766093065.xml","form_type":"4"}},{"id":1209571,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2025-03-12T21:14:03.000Z","date":"2025-03-10","kind":"tax_withholding","planned":false,"acquired":false,"shares":12860,"price":68.92,"value":886311.2,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Reflects the withholding of 12,860 shares by the Company to satisfy tax withholding requirements. 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(the \"Company\") common stock issued to the reporting person on March 10, 2025 upon vesting of 21,787 performance-based restricted stock units, based on the achievement of certain pre-established performance goals at above-target levels for the performance period commencing on January 1, 2022 through December 31, 2024. 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The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2026, January 1, 2027 and January 1, 2028, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"This award of RSUs was granted on January 1, 2025. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2026, January 1, 2027 and January 1, 2028, subject to continued employment through the applicable vesting date. 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The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2025, January 1, 2026 and January 1, 2027, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"This award of RSUs was granted on January 1, 2024. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2025, January 1, 2026 and January 1, 2027, subject to continued employment through the applicable vesting date. 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Such transactions were exempt from Section 16(b) pursuant to Rule 16b-3."}],"balance_after":102282,"source":{"system":"sec-edgar","filing":"0001628280-25-000360","document":"wk-form4_1735941992.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828025000360/wk-form4_1735941992.xml","form_type":"4"}},{"id":1314656,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2025-01-03T22:06:39.000Z","date":"2025-01-01","kind":"exercise","planned":false,"acquired":true,"shares":1266,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":106103,"source":{"system":"sec-edgar","filing":"0001628280-25-000360","document":"wk-form4_1735941992.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828025000360/wk-form4_1735941992.xml","form_type":"4"}},{"id":1314655,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2025-01-03T22:06:39.000Z","date":"2025-01-01","kind":"exercise","planned":false,"acquired":true,"shares":97,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":104837,"source":{"system":"sec-edgar","filing":"0001628280-25-000360","document":"wk-form4_1735941992.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828025000360/wk-form4_1735941992.xml","form_type":"4"}},{"id":1314654,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2025-01-03T22:06:39.000Z","date":"2025-01-01","kind":"exercise","planned":false,"acquired":true,"shares":4440,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":104740,"source":{"system":"sec-edgar","filing":"0001628280-25-000360","document":"wk-form4_1735941992.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828025000360/wk-form4_1735941992.xml","form_type":"4"}},{"id":1314653,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2025-01-03T22:06:39.000Z","date":"2025-01-01","kind":"exercise","planned":false,"acquired":true,"shares":3631,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":100300,"source":{"system":"sec-edgar","filing":"0001628280-25-000360","document":"wk-form4_1735941992.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828025000360/wk-form4_1735941992.xml","form_type":"4"}},{"id":1505427,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2024-05-22T23:13:06.000Z","date":"2024-05-21","kind":"purchase","planned":false,"acquired":true,"shares":943,"price":52.151,"value":49178.393,"ownership":{"direct":false,"nature":"By Brooks Family Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported represents a weighted average price. These shares were purchased in multiple transactions at prices ranging from $51.91 to $52.76 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by the Brooks Family Trust. The Reporting Person and her spouse are trustees of the Brooks Family Trust. The Reporting Person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein, and the inclusion of these securities in this report will not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes."}],"balance_after":4511,"source":{"system":"sec-edgar","filing":"0001628280-24-024798","document":"wk-form4_1716419577.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828024024798/wk-form4_1716419577.xml","form_type":"4"}},{"id":1574713,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2024-03-15T21:20:58.000Z","date":"2024-03-13","kind":"tax_withholding","planned":false,"acquired":false,"shares":10562,"price":49.76,"value":525565.12,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Reflects the withholding of 10,562 shares by the Company  to satisfy tax withholding requirements. Such transaction was exempt from Section 16(b) pursuant to Rule 16b-3."}],"balance_after":96669,"source":{"system":"sec-edgar","filing":"0001628280-24-011534","document":"wk-form4_1710537648.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828024011534/wk-form4_1710537648.xml","form_type":"4"}},{"id":1574712,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2024-03-15T21:20:58.000Z","date":"2024-03-13","kind":"grant","planned":false,"acquired":true,"shares":26864,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents 26,864 shares of Limbach Holdings, Inc. (the \"Company\") common stock issued to the reporting person on March 13, 2024 upon vesting of 20,000 performance-based restricted stock units, based on the achievement of certain pre-established performance goals at above-target levels for the performance period commencing on January 1, 2021 through December 31, 2023. Such transaction was exempt from Section 16(b) pursuant to Rule 16b-3."}],"balance_after":107231,"source":{"system":"sec-edgar","filing":"0001628280-24-011534","document":"wk-form4_1710537648.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828024011534/wk-form4_1710537648.xml","form_type":"4"}},{"id":1692377,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2024-01-03T23:28:30.000Z","date":"2024-01-01","kind":"grant","planned":false,"acquired":true,"shares":3798,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the Company's common stock, exempt under Rule 16b-3(d)(1) and (3)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"This award of RSUs was granted on January 1, 2024. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2025, January 1, 2026 and January 1, 2027, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"This award of RSUs was granted on January 1, 2024. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2025, January 1, 2026 and January 1, 2027, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination."}],"balance_after":16504,"derivative":{"underlying":"Common Stock","underlying_shares":3798},"source":{"system":"sec-edgar","filing":"0001628280-24-000316","document":"wk-form4_1704324490.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828024000316/wk-form4_1704324490.xml","form_type":"4"}},{"id":1692376,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2024-01-03T23:28:30.000Z","date":"2024-01-01","kind":"exercise","planned":false,"acquired":false,"shares":97,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the Company's common stock, exempt under Rule 16b-3(d)(1) and (3)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"This award of RSUs was granted on June 30, 2023. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2024, January 1, 2025 and January 1, 2026, subject to continued employment through the applicable vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"This award of RSUs was granted on June 30, 2023. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2024, January 1, 2025 and January 1, 2026, subject to continued employment through the applicable vesting date."}],"balance_after":12706,"derivative":{"underlying":"Common Stock","underlying_shares":97},"source":{"system":"sec-edgar","filing":"0001628280-24-000316","document":"wk-form4_1704324490.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828024000316/wk-form4_1704324490.xml","form_type":"4"}},{"id":1692375,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2024-01-03T23:28:30.000Z","date":"2024-01-01","kind":"exercise","planned":false,"acquired":false,"shares":4440,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the Company's common stock, exempt under Rule 16b-3(d)(1) and (3)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"This award of RSUs was granted on January 4, 2023. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2024, January 1, 2025 and January 1, 2026, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"This award of RSUs was granted on January 4, 2023. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2024, January 1, 2025 and January 1, 2026, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination."}],"balance_after":12803,"derivative":{"underlying":"Common Stock","underlying_shares":4440},"source":{"system":"sec-edgar","filing":"0001628280-24-000316","document":"wk-form4_1704324490.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828024000316/wk-form4_1704324490.xml","form_type":"4"}},{"id":1692374,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2024-01-03T23:28:30.000Z","date":"2024-01-01","kind":"exercise","planned":false,"acquired":false,"shares":3631,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the Company's common stock, exempt under Rule 16b-3(d)(1) and (3)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"This award of RSUs was granted on January 1, 2022. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2023, January 1, 2024 and January 1, 2025, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"This award of RSUs was granted on January 1, 2022. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2023, January 1, 2024 and January 1, 2025, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination."}],"balance_after":17243,"derivative":{"underlying":"Common Stock","underlying_shares":3631},"source":{"system":"sec-edgar","filing":"0001628280-24-000316","document":"wk-form4_1704324490.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828024000316/wk-form4_1704324490.xml","form_type":"4"}},{"id":1692373,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2024-01-03T23:28:30.000Z","date":"2024-01-01","kind":"exercise","planned":false,"acquired":false,"shares":3334,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the Company's common stock, exempt under Rule 16b-3(d)(1) and (3)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"This award of RSUs was granted on January 1, 2021. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2022, January 1, 2023 and January 1, 2024, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"This award of RSUs was granted on January 1, 2021. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2022, January 1, 2023 and January 1, 2024, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination."}],"balance_after":20874,"derivative":{"underlying":"Common Stock","underlying_shares":3334},"source":{"system":"sec-edgar","filing":"0001628280-24-000316","document":"wk-form4_1704324490.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828024000316/wk-form4_1704324490.xml","form_type":"4"}},{"id":1692372,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2024-01-03T23:28:30.000Z","date":"2024-01-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":4489,"price":45.47,"value":204114.83,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects the withholding of 4,489 shares by Limbach Holdings, Inc. (the \"Company\") to satisfy tax withholding requirements. Such transactions were exempt from Section 16(b) pursuant to Rule 16b-3."}],"balance_after":80367,"source":{"system":"sec-edgar","filing":"0001628280-24-000316","document":"wk-form4_1704324490.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828024000316/wk-form4_1704324490.xml","form_type":"4"}},{"id":1692371,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2024-01-03T23:28:30.000Z","date":"2024-01-01","kind":"exercise","planned":false,"acquired":true,"shares":97,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":84856,"source":{"system":"sec-edgar","filing":"0001628280-24-000316","document":"wk-form4_1704324490.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828024000316/wk-form4_1704324490.xml","form_type":"4"}},{"id":1692370,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2024-01-03T23:28:30.000Z","date":"2024-01-01","kind":"exercise","planned":false,"acquired":true,"shares":4440,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":84759,"source":{"system":"sec-edgar","filing":"0001628280-24-000316","document":"wk-form4_1704324490.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828024000316/wk-form4_1704324490.xml","form_type":"4"}},{"id":1692369,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2024-01-03T23:28:30.000Z","date":"2024-01-01","kind":"exercise","planned":false,"acquired":true,"shares":3631,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":80319,"source":{"system":"sec-edgar","filing":"0001628280-24-000316","document":"wk-form4_1704324490.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828024000316/wk-form4_1704324490.xml","form_type":"4"}},{"id":1692368,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2024-01-03T23:28:30.000Z","date":"2024-01-01","kind":"exercise","planned":false,"acquired":true,"shares":3334,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":76688,"source":{"system":"sec-edgar","filing":"0001628280-24-000316","document":"wk-form4_1704324490.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828024000316/wk-form4_1704324490.xml","form_type":"4"}},{"id":1798670,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2023-08-23T20:32:33.000Z","date":"2023-08-22","kind":"purchase","planned":false,"acquired":true,"shares":1398,"price":34.6813,"value":48484.4574,"ownership":{"direct":false,"nature":"By Brooks Family Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported represents a weighted average price. These shares were purchased in multiple transactions at prices ranging from $34.42 to $35.10 per share. The Reporting Person undertakes to provide to the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by the Brooks Family Trust. The reporting person and her spouse are trustees of the Brooks Family Trust. The Reporting Person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein, and the inclusion of these securities in this report will not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes."}],"balance_after":3568,"source":{"system":"sec-edgar","filing":"0001628280-23-030391","document":"wk-form4_1692822744.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828023030391/wk-form4_1692822744.xml","form_type":"4"}},{"id":1836109,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2023-07-05T20:33:58.000Z","date":"2023-06-30","kind":"grant","planned":false,"acquired":true,"shares":292,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of Limbach Holdings, Inc. common stock, exempt under Rule 16b-3(d)(1) and (3)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"This award of RSUs was granted on June 30, 2023. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2024, January 1, 2025 and January 1, 2026, subject to continued employment through the applicable vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"This award of RSUs was granted on June 30, 2023. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2024, January 1, 2025 and January 1, 2026, subject to continued employment through the applicable vesting date."}],"balance_after":24208,"derivative":{"underlying":"Common Stock","underlying_shares":292},"source":{"system":"sec-edgar","filing":"0001628280-23-024268","document":"wk-form4_1688589226.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828023024268/wk-form4_1688589226.xml","form_type":"4"}},{"id":1958718,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2023-03-10T21:21:18.000Z","date":"2023-03-08","kind":"tax_withholding","acquired":false,"shares":6611,"price":13.61,"value":89975.71,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Reflects the withholding of 6,611 shares by Limbach Holdings, Inc. (the \"Company\") to satisfy tax withholding requirements. Such transaction was exempt from Section 16(b) pursuant to Rule 16b-3."}],"balance_after":73354,"source":{"system":"sec-edgar","filing":"0001628280-23-007535","document":"wf-form4_167848326738474.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828023007535/wf-form4_167848326738474.xml","form_type":"4"}},{"id":1958717,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2023-03-10T21:21:18.000Z","date":"2023-03-08","kind":"grant","acquired":true,"shares":8167,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents 8,167 shares of Limbach Holdings, Inc. common stock issued to the reporting person on March 8, 2023 upon vesting of 6,000 performance-based restricted stock units, based on the achievement of certain pre-established performance goals at above-target levels for the performance period commencing on January 1, 2020 through December 31, 2022. These performance-based RSUs were granted on October 1, 2019 and modified on December 18, 2020 by the Compensation Committee to align the award with the Company's other performance awards granted to certain executives on January 1, 2020. Such transaction was exempt from Section 16(b) pursuant to Rule 16b-3."}],"balance_after":79965,"source":{"system":"sec-edgar","filing":"0001628280-23-007535","document":"wf-form4_167848326738474.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828023007535/wf-form4_167848326738474.xml","form_type":"4"}},{"id":1958716,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2023-03-10T21:21:18.000Z","date":"2023-03-08","kind":"grant","acquired":true,"shares":13613,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents 13,613 shares of Limbach Holdings, Inc. common stock issued to the reporting person on March 8, 2023 upon vesting of 10,000 performance-based restricted stock units, based on the achievement of certain pre-established performance goals at above-target levels for the performance period commencing on January 1, 2020 through December 31, 2022. Such transaction was exempt from Section 16(b) pursuant to Rule 16b-3."}],"balance_after":71798,"source":{"system":"sec-edgar","filing":"0001628280-23-007535","document":"wf-form4_167848326738474.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828023007535/wf-form4_167848326738474.xml","form_type":"4"}},{"id":2067589,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2023-01-04T23:18:27.000Z","date":"2023-01-04","kind":"grant","acquired":true,"shares":13320,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the Company's common stock, exempt under Rule 16b-3."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"This award of RSUs was granted on 01/04/2023. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2024, January 1, 2025 and January 1, 2026, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F9","text":"This award of RSUs was granted on 01/04/2023. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2024, January 1, 2025 and January 1, 2026, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination."}],"balance_after":23916,"derivative":{"underlying":"Common Stock","underlying_shares":13320},"source":{"system":"sec-edgar","filing":"0001628280-23-000314","document":"wf-form4_167287429077121.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828023000314/wf-form4_167287429077121.xml","form_type":"4"}},{"id":2067588,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2023-01-04T23:18:27.000Z","date":"2023-01-01","kind":"exercise","acquired":false,"shares":3631,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the Company's common stock, exempt under Rule 16b-3."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"This award of RSUs was granted on 01/01/2022. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2023, January 1, 2024 and January 1, 2025, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"This award of RSUs was granted on 01/01/2022. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2023, January 1, 2024 and January 1, 2025, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination."}],"balance_after":10596,"derivative":{"underlying":"Common Stock","underlying_shares":3631},"source":{"system":"sec-edgar","filing":"0001628280-23-000314","document":"wf-form4_167287429077121.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828023000314/wf-form4_167287429077121.xml","form_type":"4"}},{"id":2067587,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2023-01-04T23:18:27.000Z","date":"2023-01-01","kind":"exercise","acquired":false,"shares":3333,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the Company's common stock, exempt under Rule 16b-3."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"This award of RSUs was granted on 01/01/2021. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2022, January 1, 2023 and January 1, 2024, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"This award of RSUs was granted on 01/01/2021. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2022, January 1, 2023 and January 1, 2024, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. 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The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2021, January 1, 2022 and January 1, 2023, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSUs will be reported on a Form 4 within two business days of the date of such determination."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"This award of RSUs was granted on 01/01/2020. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2021, January 1, 2022 and January 1, 2023, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSUs will be reported on a Form 4 within two business days of the date of such determination."}],"balance_after":17560,"derivative":{"underlying":"Common Stock","underlying_shares":3334},"source":{"system":"sec-edgar","filing":"0001628280-23-000314","document":"wf-form4_167287429077121.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828023000314/wf-form4_167287429077121.xml","form_type":"4"}},{"id":2067585,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2023-01-04T23:18:27.000Z","date":"2022-12-31","kind":"exercise","acquired":false,"shares":2000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the Company's common stock, exempt under Rule 16b-3."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"This award of RSUs was granted on October 1, 2019. 42,215 shares of common stock subject to this award are subject to service-based vesting conditions and vest on the one-year anniversary of the grant date, subject to continued service through such vesting date. 6,000 shares of common stock subject to this award are subject to service-based vesting conditions and vest in equal annual installments on each of December 31, 2020, 2021 and 2022, subject to continued service through such vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"This award of RSUs was granted on October 1, 2019. 42,215 shares of common stock subject to this award are subject to service-based vesting conditions and vest on the one-year anniversary of the grant date, subject to continued service through such vesting date. 6,000 shares of common stock subject to this award are subject to service-based vesting conditions and vest in equal annual installments on each of December 31, 2020, 2021 and 2022, subject to continued service through such vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Reflects the cancellation of 6,000 RSUs subject to vesting upon the achievement of certain performance milestones."}],"balance_after":20894,"derivative":{"underlying":"Common Stock","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0001628280-23-000314","document":"wf-form4_167287429077121.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828023000314/wf-form4_167287429077121.xml","form_type":"4"}},{"id":2067584,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2023-01-04T23:18:27.000Z","date":"2023-01-01","kind":"tax_withholding","acquired":false,"shares":4393,"price":10.41,"value":45731.13,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects the withholding of 5,140 shares by Limbach Holdings, Inc. (the \"Company\") to satisfy tax withholding requirements. Such transactions were exempt from Section 16(b) pursuant to Rule 16b-3."}],"balance_after":58185,"source":{"system":"sec-edgar","filing":"0001628280-23-000314","document":"wf-form4_167287429077121.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828023000314/wf-form4_167287429077121.xml","form_type":"4"}},{"id":2067583,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2023-01-04T23:18:27.000Z","date":"2023-01-01","kind":"exercise","acquired":true,"shares":3631,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":62578,"source":{"system":"sec-edgar","filing":"0001628280-23-000314","document":"wf-form4_167287429077121.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828023000314/wf-form4_167287429077121.xml","form_type":"4"}},{"id":2067582,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2023-01-04T23:18:27.000Z","date":"2023-01-01","kind":"exercise","acquired":true,"shares":3333,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":58947,"source":{"system":"sec-edgar","filing":"0001628280-23-000314","document":"wf-form4_167287429077121.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828023000314/wf-form4_167287429077121.xml","form_type":"4"}},{"id":2067581,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2023-01-04T23:18:27.000Z","date":"2023-01-01","kind":"exercise","acquired":true,"shares":3334,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":55614,"source":{"system":"sec-edgar","filing":"0001628280-23-000314","document":"wf-form4_167287429077121.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828023000314/wf-form4_167287429077121.xml","form_type":"4"}},{"id":2067580,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2023-01-04T23:18:27.000Z","date":"2022-12-31","kind":"tax_withholding","acquired":false,"shares":747,"price":10.41,"value":7776.27,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects the withholding of 5,140 shares by Limbach Holdings, Inc. (the \"Company\") to satisfy tax withholding requirements. Such transactions were exempt from Section 16(b) pursuant to Rule 16b-3."}],"balance_after":52280,"source":{"system":"sec-edgar","filing":"0001628280-23-000314","document":"wf-form4_167287429077121.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828023000314/wf-form4_167287429077121.xml","form_type":"4"}},{"id":2067579,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2023-01-04T23:18:27.000Z","date":"2022-12-31","kind":"exercise","acquired":true,"shares":2000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":53027,"source":{"system":"sec-edgar","filing":"0001628280-23-000314","document":"wf-form4_167287429077121.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828023000314/wf-form4_167287429077121.xml","form_type":"4"}},{"id":2314193,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Financial Officer"}}],"security":"Common Stock","published_at":"2022-03-30T18:48:21.000Z","date":"2022-03-28","kind":"purchase","acquired":true,"shares":2170,"price":6.89,"value":14951.3,"ownership":{"direct":false,"nature":"By The Brooks Family Trust"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Shares held by the Brooks Family Trust. The reporting person and her spouse are trustees of the Brooks Family Trust. The Reporting Person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein, and the inclusion of these securities in this report will not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes."}],"balance_after":2170,"source":{"system":"sec-edgar","filing":"0001628280-22-007843","document":"wf-form4_164866608264142.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828022007843/wf-form4_164866608264142.xml","form_type":"4"}},{"id":2449178,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2022-01-04T22:55:27.000Z","date":"2022-01-01","kind":"grant","acquired":true,"shares":10893,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the Company's common stock, exempt under Rule 16b-3."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"This award of RSUs was granted on 1/1/2022. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2023, January 1, 2024 and January 1, 2025, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"This award of RSUs was granted on 1/1/2022. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2023, January 1, 2024 and January 1, 2025, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination."}],"balance_after":28894,"derivative":{"underlying":"Common Stock","underlying_shares":10893},"source":{"system":"sec-edgar","filing":"0001628280-22-000229","document":"wf-form4_164133690388891.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828022000229/wf-form4_164133690388891.xml","form_type":"4"}},{"id":2449177,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2022-01-04T22:55:27.000Z","date":"2022-01-01","kind":"exercise","acquired":false,"shares":3333,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the Company's common stock, exempt under Rule 16b-3."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"This award of RSUs was granted on 1/1/2021. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2022, January 1, 2023 and January 1, 2024, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"This award of RSUs was granted on 1/1/2021. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2022, January 1, 2023 and January 1, 2024, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination."}],"balance_after":18001,"derivative":{"underlying":"Common Stock","underlying_shares":3333},"source":{"system":"sec-edgar","filing":"0001628280-22-000229","document":"wf-form4_164133690388891.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828022000229/wf-form4_164133690388891.xml","form_type":"4"}},{"id":2449176,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2022-01-04T22:55:27.000Z","date":"2022-01-01","kind":"exercise","acquired":false,"shares":3333,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the Company's common stock, exempt under Rule 16b-3."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"This award of RSUs was granted on 01/01/2020. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2021, January 1, 2022 and January 1, 2023, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSUs will be reported on a Form 4 within two business days of the date of such determination."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"This award of RSUs was granted on 01/01/2020. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2021, January 1, 2022 and January 1, 2023, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSUs will be reported on a Form 4 within two business days of the date of such determination."}],"balance_after":21334,"derivative":{"underlying":"Common Stock","underlying_shares":3333},"source":{"system":"sec-edgar","filing":"0001628280-22-000229","document":"wf-form4_164133690388891.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828022000229/wf-form4_164133690388891.xml","form_type":"4"}},{"id":2449175,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2022-01-04T22:55:27.000Z","date":"2021-12-31","kind":"exercise","acquired":false,"shares":2000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the Company's common stock, exempt under Rule 16b-3."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"This award of RSUs was granted on October 1, 2019. 42,215 shares of common stock subject to this award are subject to service-based vesting conditions and vest on the one-year anniversary of the grant date, subject to continued service through such vesting date. 6,000 shares of common stock subject to this award are subject to service-based vesting conditions and vest in equal annual installments on each of December 31, 2020, 2021 and 2022, subject to continued service through such vesting date. The remaining 6,000 shares of common stock subject to this award shall vest upon the Company's achievement of cumulative adjusted EBITDA of the Company of at least $75,000,000 for fiscal years 2019, 2020 and 2021 (the \"Performance Milestone\"), subject to Participant's continuous service with the Company or a subsidiary or affiliate of the Company, as applicable, as an employee through the certification by the Compensation Committee of the achievement of the Performance Milestone, if applicable."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"This award of RSUs was granted on October 1, 2019. 42,215 shares of common stock subject to this award are subject to service-based vesting conditions and vest on the one-year anniversary of the grant date, subject to continued service through such vesting date. 6,000 shares of common stock subject to this award are subject to service-based vesting conditions and vest in equal annual installments on each of December 31, 2020, 2021 and 2022, subject to continued service through such vesting date. The remaining 6,000 shares of common stock subject to this award shall vest upon the Company's achievement of cumulative adjusted EBITDA of the Company of at least $75,000,000 for fiscal years 2019, 2020 and 2021 (the \"Performance Milestone\"), subject to Participant's continuous service with the Company or a subsidiary or affiliate of the Company, as applicable, as an employee through the certification by the Compensation Committee of the achievement of the Performance Milestone, if applicable."}],"balance_after":24667,"derivative":{"underlying":"Common Stock","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0001628280-22-000229","document":"wf-form4_164133690388891.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828022000229/wf-form4_164133690388891.xml","form_type":"4"}},{"id":2449174,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Financial Officer"}}],"security":"Common Stock","published_at":"2022-01-04T22:55:27.000Z","date":"2022-01-01","kind":"tax_withholding","acquired":false,"shares":2844,"price":9,"value":25596.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Reflect the withholding of 2,169 shares by Limbach Holdings, Inc. 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Such transaction was exempt from Section 16(b) pursuant to Rule 16b-3."}],"balance_after":47205,"source":{"system":"sec-edgar","filing":"0001628280-22-000229","document":"wf-form4_164133690388891.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828022000229/wf-form4_164133690388891.xml","form_type":"4"}},{"id":2449170,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Financial Officer"}}],"security":"Common Stock","published_at":"2022-01-04T22:55:27.000Z","date":"2021-12-31","kind":"exercise","acquired":true,"shares":2000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Reflect the withholding of 2,169 shares by Limbach Holdings, Inc. (the \"Company\") to satisfy tax withholding requirements not previously reported. Such transaction was exempt from Section 16(b) pursuant to Rule 16b-3."}],"balance_after":47952,"source":{"system":"sec-edgar","filing":"0001628280-22-000229","document":"wf-form4_164133690388891.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828022000229/wf-form4_164133690388891.xml","form_type":"4"}},{"id":2766375,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Financial Officer"}}],"security":"Common Stock","published_at":"2021-03-31T23:05:22.000Z","date":"2021-03-29","kind":"tax_withholding","acquired":false,"shares":775,"price":9.61,"value":7447.75,"ownership":{"direct":true},"balance_after":48121,"source":{"system":"sec-edgar","filing":"0001104659-21-044985","document":"tm2111596d1_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000110465921044985/tm2111596d1_4.xml","form_type":"4"}},{"id":2766374,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Financial Officer"}}],"security":"Common Stock","published_at":"2021-03-31T23:05:22.000Z","date":"2021-03-29","kind":"grant","acquired":true,"shares":2033,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":48896,"source":{"system":"sec-edgar","filing":"0001104659-21-044985","document":"tm2111596d1_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000110465921044985/tm2111596d1_4.xml","form_type":"4"}},{"id":2920513,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2021-01-05T21:48:49.000Z","date":"2021-01-01","kind":"grant","acquired":true,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of Limbach Holdings, Inc. common stock, exempt under Rule 16b-3."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"This award of RSUs was granted on 1/1/2021. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2022, January 1, 2023 and January 1, 2024, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"This award of RSUs was granted on 1/1/2021. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2022, January 1, 2023 and January 1, 2024, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination."}],"balance_after":26667,"derivative":{"underlying":"Common Stock","underlying_shares":10000},"source":{"system":"sec-edgar","filing":"0001628280-21-000077","document":"wf-form4_160988331509935.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828021000077/wf-form4_160988331509935.xml","form_type":"4"}},{"id":2920512,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2021-01-05T21:48:49.000Z","date":"2021-01-01","kind":"exercise","acquired":false,"shares":3333,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of Limbach Holdings, Inc. common stock, exempt under Rule 16b-3."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"This award of RSUs was granted on 01/01/2020. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2021, January 1, 2022 and January 1, 2023, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSUs will be reported on a Form 4 within two business days of the date of such determination."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"This award of RSUs was granted on 01/01/2020. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2021, January 1, 2022 and January 1, 2023, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSUs will be reported on a Form 4 within two business days of the date of such determination."}],"balance_after":16667,"derivative":{"underlying":"Common Stock","underlying_shares":3333},"source":{"system":"sec-edgar","filing":"0001628280-21-000077","document":"wf-form4_160988331509935.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828021000077/wf-form4_160988331509935.xml","form_type":"4"}},{"id":2920511,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2021-01-05T21:48:49.000Z","date":"2020-12-31","kind":"exercise","acquired":false,"shares":2000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of Limbach Holdings, Inc. common stock, exempt under Rule 16b-3."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"As reported in the original filing of this Form 4 on October 1, 2019, this award of RSUs was granted on October 1, 2019. 42,215 shares of common stock subject to this award were subject to service-based vesting conditions and vested on October 1, 2020. 6,000 shares of common stock subject to this award are subject to service-based vesting conditions and vest in equal annual installments on each of December 31, 2020, 2021 and 2022, subject to continued service through such vesting date. The remaining 6,000 shares of common stock subject to this award shall vest upon the Company's achievement of certain performance milestones, subject to Participant's continuous service with the Company or a subsidiary or affiliate of the Company, as applicable, as an employee through the certification by the Compensation Committee of the achievement of such performance milestones, if applicable."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"As reported in the original filing of this Form 4 on October 1, 2019, this award of RSUs was granted on October 1, 2019. 42,215 shares of common stock subject to this award were subject to service-based vesting conditions and vested on October 1, 2020. 6,000 shares of common stock subject to this award are subject to service-based vesting conditions and vest in equal annual installments on each of December 31, 2020, 2021 and 2022, subject to continued service through such vesting date. The remaining 6,000 shares of common stock subject to this award shall vest upon the Company's achievement of certain performance milestones, subject to Participant's continuous service with the Company or a subsidiary or affiliate of the Company, as applicable, as an employee through the certification by the Compensation Committee of the achievement of such performance milestones, if applicable."}],"balance_after":20000,"derivative":{"underlying":"Common Stock","underlying_shares":2000},"source":{"system":"sec-edgar","filing":"0001628280-21-000077","document":"wf-form4_160988331509935.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828021000077/wf-form4_160988331509935.xml","form_type":"4"}},{"id":2920510,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Financial Officer"}}],"security":"Common Stock","published_at":"2021-01-05T21:48:49.000Z","date":"2021-01-01","kind":"exercise","acquired":true,"shares":3333,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":46863,"source":{"system":"sec-edgar","filing":"0001628280-21-000077","document":"wf-form4_160988331509935.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828021000077/wf-form4_160988331509935.xml","form_type":"4"}},{"id":2920509,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Financial Officer"}}],"security":"Common Stock","published_at":"2021-01-05T21:48:49.000Z","date":"2020-12-31","kind":"exercise","acquired":true,"shares":2000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":43530,"source":{"system":"sec-edgar","filing":"0001628280-21-000077","document":"wf-form4_160988331509935.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828021000077/wf-form4_160988331509935.xml","form_type":"4"}},{"id":2934648,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2020-12-22T21:15:20.000Z","date":"2019-10-01","kind":"grant","acquired":true,"shares":54215,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of Limbach Holdings, Inc. common stock, exempt under Rule 16b-3(d)(1) & (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"As reported in the original filing of this Form 4 on October 1, 2019, this award of RSUs was granted on October 1, 2019. 42,215 shares of common stock subject to this award were subject to service-based vesting conditions and vested on October 1, 2020. 6,000 shares of common stock subject to this award are subject to service-based vesting conditions and vest in equal annual installments on each of December 31, 2020, 2021 and 2022, subject to continued service through such vesting date. The remaining 6,000 shares of common stock subject to this award shall vest upon the Company's achievement of certain performance milestones, subject to Participant's continuous service with the Company or a subsidiary or affiliate of the Company, as applicable, as an employee through the certification by the Compensation Committee of the achievement of such performance milestones, if applicable."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"As reported in the original filing of this Form 4 on October 1, 2019, this award of RSUs was granted on October 1, 2019. 42,215 shares of common stock subject to this award were subject to service-based vesting conditions and vested on October 1, 2020. 6,000 shares of common stock subject to this award are subject to service-based vesting conditions and vest in equal annual installments on each of December 31, 2020, 2021 and 2022, subject to continued service through such vesting date. The remaining 6,000 shares of common stock subject to this award shall vest upon the Company's achievement of certain performance milestones, subject to Participant's continuous service with the Company or a subsidiary or affiliate of the Company, as applicable, as an employee through the certification by the Compensation Committee of the achievement of such performance milestones, if applicable."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"As reported in the original filing of this Form 4 on October 1, 2019, this award of RSUs was granted on October 1, 2019. 42,215 shares of common stock subject to this award were subject to service-based vesting conditions and vested on October 1, 2020. 6,000 shares of common stock subject to this award are subject to service-based vesting conditions and vest in equal annual installments on each of December 31, 2020, 2021 and 2022, subject to continued service through such vesting date. The remaining 6,000 shares of common stock subject to this award shall vest upon the Company's achievement of certain performance milestones, subject to Participant's continuous service with the Company or a subsidiary or affiliate of the Company, as applicable, as an employee through the certification by the Compensation Committee of the achievement of such performance milestones, if applicable."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"As reported in the original filing of this Form 4 on October 1, 2019, this award of RSUs was granted on October 1, 2019. 42,215 shares of common stock subject to this award were subject to service-based vesting conditions and vested on October 1, 2020. 6,000 shares of common stock subject to this award are subject to service-based vesting conditions and vest in equal annual installments on each of December 31, 2020, 2021 and 2022, subject to continued service through such vesting date. The remaining 6,000 shares of common stock subject to this award shall vest upon the Company's achievement of certain performance milestones, subject to Participant's continuous service with the Company or a subsidiary or affiliate of the Company, as applicable, as an employee through the certification by the Compensation Committee of the achievement of such performance milestones, if applicable."}],"balance_after":12000,"derivative":{"underlying":"Common Stock","underlying_shares":54215},"source":{"system":"sec-edgar","filing":"0001104659-20-138579","document":"tm2039154d1_4a.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000110465920138579/tm2039154d1_4a.xml","form_type":"4/A","original_submission_date":"2019-10-01"}},{"id":3016294,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2020-10-02T21:59:20.000Z","date":"2020-10-01","kind":"exercise","acquired":false,"shares":42215,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of Limbach Holdings, Inc. common stock, exempt under Rule 16b-3."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of Limbach Holdings, Inc. common stock, exempt under Rule 16b-3."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"This award of RSUs was granted on October 1, 2019. 42,215 shares of common stock subject to this award are subject to service-based vesting conditions and vest on the one-year anniversary of the grant date, subject to continued service through such vesting date. 6,000 shares of common stock subject to this award are subject to service-based vesting conditions and vest in equal annual installments on each of December 31, 2020, 2021 and 2022, subject to continued service through such vesting date. The remaining 6,000 shares of common stock subject to this award shall vest upon the Company's achievement of cumulative adjusted EBITDA of the Company of at least $75,000,000 for fiscal years 2019, 2020 and 2021 (the \"Performance Milestone\"), subject to Participant's continuous service with the Company or a subsidiary or affiliate of the Company, as applicable, as an employee through the certification by the Compensation Committee of the achievement of the Performance Milestone, if applicable."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"This award of RSUs was granted on October 1, 2019. 42,215 shares of common stock subject to this award are subject to service-based vesting conditions and vest on the one-year anniversary of the grant date, subject to continued service through such vesting date. 6,000 shares of common stock subject to this award are subject to service-based vesting conditions and vest in equal annual installments on each of December 31, 2020, 2021 and 2022, subject to continued service through such vesting date. The remaining 6,000 shares of common stock subject to this award shall vest upon the Company's achievement of cumulative adjusted EBITDA of the Company of at least $75,000,000 for fiscal years 2019, 2020 and 2021 (the \"Performance Milestone\"), subject to Participant's continuous service with the Company or a subsidiary or affiliate of the Company, as applicable, as an employee through the certification by the Compensation Committee of the achievement of the Performance Milestone, if applicable."}],"balance_after":12000,"derivative":{"underlying":"Common Stock","underlying_shares":42215},"source":{"system":"sec-edgar","filing":"0001628280-20-014210","document":"wf-form4_160167594600386.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828020014210/wf-form4_160167594600386.xml","form_type":"4"}},{"id":3016293,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Financial Officer"}}],"security":"Common Stock","published_at":"2020-10-02T21:59:20.000Z","date":"2020-10-01","kind":"tax_withholding","acquired":false,"shares":10280,"price":10.72,"value":110201.6,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Transaction reflects withholding of shares to satisfy tax liabilities associated with vesting of restricted stock units."}],"balance_after":41530,"source":{"system":"sec-edgar","filing":"0001628280-20-014210","document":"wf-form4_160167594600386.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828020014210/wf-form4_160167594600386.xml","form_type":"4"}},{"id":3016292,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Financial Officer"}}],"security":"Common Stock","published_at":"2020-10-02T21:59:20.000Z","date":"2020-10-01","kind":"exercise","acquired":true,"shares":42215,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of Limbach Holdings, Inc. common stock, exempt under Rule 16b-3."}],"balance_after":51810,"source":{"system":"sec-edgar","filing":"0001628280-20-014210","document":"wf-form4_160167594600386.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828020014210/wf-form4_160167594600386.xml","form_type":"4"}},{"id":3037775,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Financial Officer"}}],"security":"Common Stock","published_at":"2020-09-04T21:41:14.000Z","date":"2020-09-03","kind":"purchase","acquired":true,"shares":4595,"price":6.53,"value":30005.35,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.53 to $6.62, inclusive. The reporting person undertakes to provide to Limbach Holdings, Inc. (the \"Company\"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote."}],"balance_after":9595,"source":{"system":"sec-edgar","filing":"0001628280-20-013344","document":"wf-form4_159925565944208.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1606163/000162828020013344/wf-form4_159925565944208.xml","form_type":"4"}},{"id":3323156,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":50299,"kind":"person","name":"Brooks Jayme L.","position":1,"cik":"0001447591","reported_name":"Brooks Jayme L.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Financial Officer"}}],"security":"Restricted Stock Units","published_at":"2020-01-03T22:26:40.000Z","date":"2020-01-01","kind":"grant","acquired":true,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of Limbach Holdings, Inc. common stock, exempt under Rule 16b-3(d)(1) & (3)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This award of RSUs was granted on 01/01/2020. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2021, January 1, 2022 and January 1, 2023, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSUs will be reported on a Form 4 within two business days of the date of such determination."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"This award of RSUs was granted on 01/01/2020. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2021, January 1, 2022 and January 1, 2023, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. 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