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The RSUs are scheduled to cliff vest on January 1, 2027."}],"balance_after":1498,"derivative":{"underlying":"Common Stock","underlying_shares":1498},"source":{"system":"sec-edgar","filing":"0001628280-26-000533","document":"wk-form4_1767649759.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1612424/000162828026000533/wk-form4_1767649759.xml","form_type":"4"}},{"id":951382,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2026-01-05T21:49:25.000Z","date":"2026-01-01","kind":"exercise","planned":false,"acquired":false,"shares":956,"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. (the \"Company\") common stock, exempt under Rule 16b-3."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"This award of RSUs was granted on January 1, 2025. The RSUs cliff vested on January 1, 2026."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"This award of RSUs was granted on January 1, 2025. The RSUs cliff vested on January 1, 2026."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":956},"source":{"system":"sec-edgar","filing":"0001628280-26-000533","document":"wk-form4_1767649759.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1612424/000162828026000533/wk-form4_1767649759.xml","form_type":"4"}},{"id":951381,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-01-05T21:49:25.000Z","date":"2026-01-01","kind":"exercise","planned":false,"acquired":true,"shares":956,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":42785,"source":{"system":"sec-edgar","filing":"0001628280-26-000533","document":"wk-form4_1767649759.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1612424/000162828026000533/wk-form4_1767649759.xml","form_type":"4"}},{"id":963480,"issuer":{"id":5976,"kind":"organization","name":"KINGSWAY Corp","symbol":"KWY"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2025-12-18T21:15:19.000Z","date":"2025-12-17","kind":"other","planned":false,"acquired":false,"shares":252500,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"by Palm Global Small Cap Master Fund LP"},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"On March 31, 2025, Mr. Horowitz and Palm Global entered into an option agreement with Stilwell Value LLC, (the \"Option Agreement\") to acquire 22,500 and 252,500 shares of Common Stock, respectively, at an exercise price of $8.25 per share, which Option Agreement was amended on December 17, 2025, to allow for the early exercise of the options. The options had an expiration of December 29, 2025 at 5:00 p.m. Eastern Time."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"On March 31, 2025, Mr. Horowitz and Palm Global entered into an option agreement with Stilwell Value LLC, (the \"Option Agreement\") to acquire 22,500 and 252,500 shares of Common Stock, respectively, at an exercise price of $8.25 per share, which Option Agreement was amended on December 17, 2025, to allow for the early exercise of the options. The options had an expiration of December 29, 2025 at 5:00 p.m. Eastern Time."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Palm Management (US) LLC, as the investment manager of Palm Global Small Cap Master Fund LP (\"Palm Global\"), may be deemed to be a beneficial owner of the securities disclosed as directly owned by Palm Global. Due to his positions as a portfolio manager and special limited partner of Palm Global and as an employee of Palm Management (US) LLC, Mr. Horowitz may be deemed to be a beneficial owner of the securities disclosed as directly owned by Palm Global. Palm Management (US) LLC and Mr. Horowitz expressly disclaim such beneficial ownership except to the extent of their pecuniary interest therein."}],"balance_after":0,"derivative":{"exercise_price":8.25,"expiration_date":"2025-12-29","underlying":"Common Stock","underlying_shares":252500},"source":{"system":"sec-edgar","filing":"0001104659-25-122549","document":"tm2533539-2_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1072627/000110465925122549/tm2533539-2_4seq1.xml","form_type":"4"}},{"id":963479,"issuer":{"id":5976,"kind":"organization","name":"KINGSWAY Corp","symbol":"KWY"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2025-12-18T21:15:19.000Z","date":"2025-12-17","kind":"other","planned":false,"acquired":false,"shares":22500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"On March 31, 2025, Mr. Horowitz and Palm Global entered into an option agreement with Stilwell Value LLC, (the \"Option Agreement\") to acquire 22,500 and 252,500 shares of Common Stock, respectively, at an exercise price of $8.25 per share, which Option Agreement was amended on December 17, 2025, to allow for the early exercise of the options. The options had an expiration of December 29, 2025 at 5:00 p.m. Eastern Time."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"On March 31, 2025, Mr. Horowitz and Palm Global entered into an option agreement with Stilwell Value LLC, (the \"Option Agreement\") to acquire 22,500 and 252,500 shares of Common Stock, respectively, at an exercise price of $8.25 per share, which Option Agreement was amended on December 17, 2025, to allow for the early exercise of the options. The options had an expiration of December 29, 2025 at 5:00 p.m. Eastern Time."}],"balance_after":0,"derivative":{"exercise_price":8.25,"expiration_date":"2025-12-29","underlying":"Common Stock","underlying_shares":22500},"source":{"system":"sec-edgar","filing":"0001104659-25-122549","document":"tm2533539-2_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1072627/000110465925122549/tm2533539-2_4seq1.xml","form_type":"4"}},{"id":963478,"issuer":{"id":5976,"kind":"organization","name":"KINGSWAY Corp","symbol":"KWY"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-12-18T21:15:19.000Z","date":"2025-12-17","kind":"other","planned":false,"acquired":true,"shares":252500,"price":8.25,"value":2083125.0,"ownership":{"direct":false,"nature":"by Palm Global Small Cap Master Fund LP"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Palm Management (US) LLC, as the investment manager of Palm Global Small Cap Master Fund LP (\"Palm Global\"), may be deemed to be a beneficial owner of the securities disclosed as directly owned by Palm Global. Due to his positions as a portfolio manager and special limited partner of Palm Global and as an employee of Palm Management (US) LLC, Mr. Horowitz may be deemed to be a beneficial owner of the securities disclosed as directly owned by Palm Global. Palm Management (US) LLC and Mr. Horowitz expressly disclaim such beneficial ownership except to the extent of their pecuniary interest therein."}],"balance_after":367500,"source":{"system":"sec-edgar","filing":"0001104659-25-122549","document":"tm2533539-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1072627/000110465925122549/tm2533539-2_4seq1.xml","form_type":"4"}},{"id":963477,"issuer":{"id":5976,"kind":"organization","name":"KINGSWAY Corp","symbol":"KWY"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-12-18T21:15:19.000Z","date":"2025-12-17","kind":"other","planned":false,"acquired":true,"shares":22500,"price":8.25,"value":185625.0,"ownership":{"direct":true},"balance_after":32500,"source":{"system":"sec-edgar","filing":"0001104659-25-122549","document":"tm2533539-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1072627/000110465925122549/tm2533539-2_4seq1.xml","form_type":"4"}},{"id":972335,"issuer":{"id":7823,"kind":"organization","name":"BARNWELL INDUSTRIES INC","symbol":"BRN"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-12-12T21:48:53.000Z","date":"2025-12-10","kind":"grant","planned":false,"acquired":true,"shares":9346,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents a restricted stock award to Mr. Horowitz pursuant to a grant by the Board of Directors of Barnwell Industries, Inc. on December 10, 2025. The restricted stock unit award vests in one installment on September 30, 2026."}],"balance_after":202221,"source":{"system":"sec-edgar","filing":"0001140361-25-045399","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/10048/000114036125045399/form4.xml","form_type":"4"}},{"id":988240,"issuer":{"id":7823,"kind":"organization","name":"BARNWELL INDUSTRIES INC","symbol":"BRN"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-11-26T21:44:08.000Z","date":"2025-11-24","kind":"purchase","planned":false,"acquired":true,"shares":45000,"price":1.1,"value":49500.0,"ownership":{"direct":false,"nature":"By Palm Global Small Cap Master Fund LP"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were acquired in connection with a private placement by the issuer."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Palm Management (US) LLC, as the investment manager of Palm Global Small Cap Master Fund LP (\"Palm Global\"), may be deemed to be a beneficial owner of the shares of common stock disclosed as directly owned by Palm Global. Due to his positions as a portfolio manager and special limited partner of Palm Global and as an employee of Palm Management (US) LLC, Mr. Horowitz may be deemed to be a beneficial owner of the shares of common stock disclosed as directly owned by Palm Global. Palm Management (US) LLC and Mr. Horowitz expressly disclaim such beneficial ownership except to the extent of their pecuniary interest therein."}],"balance_after":315276,"source":{"system":"sec-edgar","filing":"0001140361-25-043529","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/10048/000114036125043529/form4.xml","form_type":"4"}},{"id":988239,"issuer":{"id":7823,"kind":"organization","name":"BARNWELL INDUSTRIES INC","symbol":"BRN"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-11-26T21:44:08.000Z","date":"2025-11-24","kind":"purchase","planned":false,"acquired":true,"shares":14563,"price":1.1,"value":16019.3,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were acquired in connection with a private placement by the issuer."}],"balance_after":192875,"source":{"system":"sec-edgar","filing":"0001140361-25-043529","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/10048/000114036125043529/form4.xml","form_type":"4"}},{"id":1020626,"issuer":{"id":7823,"kind":"organization","name":"BARNWELL INDUSTRIES INC","symbol":"BRN"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-10-10T21:12:11.000Z","date":"2025-10-08","kind":"grant","planned":false,"acquired":true,"shares":44445,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents a restricted stock unit award to a non-employee director made pursuant to a grant by the Board of Directors of Barnwell Industries, Inc. on October 8, 2025."}],"balance_after":178312,"source":{"system":"sec-edgar","filing":"0001140361-25-037959","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/10048/000114036125037959/form4.xml","form_type":"4"}},{"id":1030282,"issuer":{"id":7823,"kind":"organization","name":"BARNWELL INDUSTRIES INC","symbol":"BRN"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-10-01T23:30:04.000Z","date":"2025-09-29","kind":"grant","planned":false,"acquired":true,"shares":65000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents a common stock award to a non-employee director made pursuant to a grant by the Board of Directors of Barnwell Industries, Inc. on September 30, 2025."}],"balance_after":133867,"source":{"system":"sec-edgar","filing":"0001140361-25-037028","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/10048/000114036125037028/form4.xml","form_type":"4"}},{"id":1154093,"issuer":{"id":5976,"kind":"organization","name":"KINGSWAY Corp","symbol":"KWY"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class D Preferred Stock","published_at":"2025-05-09T22:20:43.000Z","date":"2025-05-08","kind":"grant","planned":false,"acquired":true,"shares":14000,"price":25,"value":350000.0,"ownership":{"direct":false,"nature":"Palm Global Small Cap Master Fund LP"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The shares of Class D Preferred Stock, par value $0.01 per share (the \"Class D Preferred Stock\"), of Kingsway Financial Services Inc. (the \"Company\") have a stated value of $25 per share and are convertible at any time, at the holder's option, into shares of Common Stock, par value $0.01 per share, of the Company (the \"Common Stock\") at an initial conversion price of $9.50 per share (or 2.6316 shares of Common Stock for each share of Class D Preferred Stock), subject to customary adjustments. The Company has the option to redeem 25% of the outstanding shares of Class D Preferred Stock for cash upon the occurrence of certain events. All then-outstanding shares of Class D Preferred Stock shall be redeemed by the Company for cash on May 8, 2032."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The shares of Class D Preferred Stock, par value $0.01 per share (the \"Class D Preferred Stock\"), of Kingsway Financial Services Inc. (the \"Company\") have a stated value of $25 per share and are convertible at any time, at the holder's option, into shares of Common Stock, par value $0.01 per share, of the Company (the \"Common Stock\") at an initial conversion price of $9.50 per share (or 2.6316 shares of Common Stock for each share of Class D Preferred Stock), subject to customary adjustments. The Company has the option to redeem 25% of the outstanding shares of Class D Preferred Stock for cash upon the occurrence of certain events. All then-outstanding shares of Class D Preferred Stock shall be redeemed by the Company for cash on May 8, 2032."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The shares of Class D Preferred Stock, par value $0.01 per share (the \"Class D Preferred Stock\"), of Kingsway Financial Services Inc. (the \"Company\") have a stated value of $25 per share and are convertible at any time, at the holder's option, into shares of Common Stock, par value $0.01 per share, of the Company (the \"Common Stock\") at an initial conversion price of $9.50 per share (or 2.6316 shares of Common Stock for each share of Class D Preferred Stock), subject to customary adjustments. The Company has the option to redeem 25% of the outstanding shares of Class D Preferred Stock for cash upon the occurrence of certain events. All then-outstanding shares of Class D Preferred Stock shall be redeemed by the Company for cash on May 8, 2032."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"The shares of Class D Preferred Stock, par value $0.01 per share (the \"Class D Preferred Stock\"), of Kingsway Financial Services Inc. (the \"Company\") have a stated value of $25 per share and are convertible at any time, at the holder's option, into shares of Common Stock, par value $0.01 per share, of the Company (the \"Common Stock\") at an initial conversion price of $9.50 per share (or 2.6316 shares of Common Stock for each share of Class D Preferred Stock), subject to customary adjustments. The Company has the option to redeem 25% of the outstanding shares of Class D Preferred Stock for cash upon the occurrence of certain events. All then-outstanding shares of Class D Preferred Stock shall be redeemed by the Company for cash on May 8, 2032."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Palm Management (US) LLC, as the investment manager of Palm Global Small Cap Master Fund LP (\"Palm Global\"), may be deemed to be a beneficial owner of the securities disclosed as directly owned by Palm Global. Due to his positions as a portfolio manager and special limited partner of Palm Global and as an employee of Palm Management (US) LLC, Mr. Horowitz may be deemed to be a beneficial owner of the securities disclosed as directly owned by Palm Global. Palm Management (US) LLC and Mr. Horowitz expressly disclaim such beneficial ownership except to the extent of their pecuniary interest therein."}],"balance_after":14000,"derivative":{"exercise_price":9.5,"exercise_date":"2025-05-08","expiration_date":"2032-05-08","underlying":"Common Stock","underlying_shares":36842.4},"source":{"system":"sec-edgar","filing":"0001104659-25-046877","document":"tm2514705-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1072627/000110465925046877/tm2514705-1_4seq1.xml","form_type":"4"}},{"id":1159168,"issuer":{"id":14008,"kind":"organization","name":"NeuroMetrix, Inc.","symbol":"NURO"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-05T22:51:59.000Z","date":"2025-05-01","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":60500,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated December 17, 2024 (the \"Merger Agreement\"), by and among the Issuer, electroCore, Inc., a Delaware corporation (\"Parent\"), and Nexus Merger Sub Inc., a Delaware corporation and wholly owned subsidiary of Parent (\"Merger Sub\")."},{"field":"shares","element":"transactionShares","label":"F2","text":"Pursuant to the Merger Agreement, as of the effective time of the Merger (the \"Effective Time\"), each share of common stock, par value $0.0001 per share, of the Issuer that was issued and outstanding immediately prior to the Effective Time was converted into the right to receive (i) an amount in cash (the \"Per Share Cash Consideration') equal to a pro rata share of the Company's balance of net cash at the Effective Time, after deduction of certain pro rata payments made accordance with the Issuer's Amended and Restated Management Retention and Incentive Plan, without interest and (ii) one contingent value right (a \"CVR\") representing the right to receive contingent payments subject to the terms and conditions set forth in a contingent value rights agreement entered into between Parent and Equiniti Trust Company, LLC."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated December 17, 2024 (the \"Merger Agreement\"), by and among the Issuer, electroCore, Inc., a Delaware corporation (\"Parent\"), and Nexus Merger Sub Inc., a Delaware corporation and wholly owned subsidiary of Parent (\"Merger Sub\")."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Pursuant to the Merger Agreement, as of the effective time of the Merger (the \"Effective Time\"), each share of common stock, par value $0.0001 per share, of the Issuer that was issued and outstanding immediately prior to the Effective Time was converted into the right to receive (i) an amount in cash (the \"Per Share Cash Consideration') equal to a pro rata share of the Company's balance of net cash at the Effective Time, after deduction of certain pro rata payments made accordance with the Issuer's Amended and Restated Management Retention and Incentive Plan, without interest and (ii) one contingent value right (a \"CVR\") representing the right to receive contingent payments subject to the terms and conditions set forth in a contingent value rights agreement entered into between Parent and Equiniti Trust Company, LLC."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Palm Management (US) LLC, as the investment manager of Palm Global Small Cap Master Fund LP (\"Palm Global\"), may be deemed to be a beneficial owner of the shares of Common Stock disclosed as directly owned by Palm Global. Due to his positions as a portfolio manager and special limited partner of Palm Global and as an employee of Palm Management (US) LLC, the Reporting Person may be deemed to be a beneficial owner of the shares of Common Stock disclosed as directly owned by Palm Global. Palm Management (US) LLC and the Reporting Person expressly disclaim such beneficial ownership except to the extent of their pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001641172-25-008735","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1612424/000164117225008735/ownership.xml","form_type":"4"}},{"id":1159167,"issuer":{"id":14008,"kind":"organization","name":"NeuroMetrix, Inc.","symbol":"NURO"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-05T22:51:59.000Z","date":"2025-05-01","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":29807,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated December 17, 2024 (the \"Merger Agreement\"), by and among the Issuer, electroCore, Inc., a Delaware corporation (\"Parent\"), and Nexus Merger Sub Inc., a Delaware corporation and wholly owned subsidiary of Parent (\"Merger Sub\")."},{"field":"shares","element":"transactionShares","label":"F2","text":"Pursuant to the Merger Agreement, as of the effective time of the Merger (the \"Effective Time\"), each share of common stock, par value $0.0001 per share, of the Issuer that was issued and outstanding immediately prior to the Effective Time was converted into the right to receive (i) an amount in cash (the \"Per Share Cash Consideration') equal to a pro rata share of the Company's balance of net cash at the Effective Time, after deduction of certain pro rata payments made accordance with the Issuer's Amended and Restated Management Retention and Incentive Plan, without interest and (ii) one contingent value right (a \"CVR\") representing the right to receive contingent payments subject to the terms and conditions set forth in a contingent value rights agreement entered into between Parent and Equiniti Trust Company, LLC."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated December 17, 2024 (the \"Merger Agreement\"), by and among the Issuer, electroCore, Inc., a Delaware corporation (\"Parent\"), and Nexus Merger Sub Inc., a Delaware corporation and wholly owned subsidiary of Parent (\"Merger Sub\")."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Pursuant to the Merger Agreement, as of the effective time of the Merger (the \"Effective Time\"), each share of common stock, par value $0.0001 per share, of the Issuer that was issued and outstanding immediately prior to the Effective Time was converted into the right to receive (i) an amount in cash (the \"Per Share Cash Consideration') equal to a pro rata share of the Company's balance of net cash at the Effective Time, after deduction of certain pro rata payments made accordance with the Issuer's Amended and Restated Management Retention and Incentive Plan, without interest and (ii) one contingent value right (a \"CVR\") representing the right to receive contingent payments subject to the terms and conditions set forth in a contingent value rights agreement entered into between Parent and Equiniti Trust Company, LLC."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001641172-25-008735","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1612424/000164117225008735/ownership.xml","form_type":"4"}},{"id":1205757,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":81971,"kind":"organization","name":"Palm Global Small Cap Master Fund LP","position":2,"cik":"0001726444","reported_name":"Palm Global Small Cap Master Fund LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Director Affiliate"}}],"security":"Common Stock","published_at":"2025-03-14T17:10:06.000Z","date":"2025-03-14","kind":"sale","planned":false,"acquired":false,"shares":25400,"price":75.4295,"value":1915909.3,"ownership":{"direct":false,"nature":"Palm Global Small Cap Master Fund LP"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported represents a weighted average price. These shares were sold in multiple transactions at prices ranging from $75.20 to $75.78 per share. The Reporting Persons undertake 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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Palm Management (US) LLC, as the investment manager of Palm Global Small Cap Master Fund LP (\"Palm Global\"), may be deemed to be a beneficial owner of the shares of common stock disclosed as directly owned by Palm Global. Due to his positions as a portfolio manager and special limited partner of Palm Global and as an employee of Palm Management (US) LLC, Mr. Horowitz may be deemed to be a beneficial owner of the shares of common stock disclosed as directly owned by Palm Global. 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Due to his positions as a portfolio manager and special limited partner of Palm Global and as an employee of Palm Management (US) LLC, Mr. Horowitz may be deemed to be a beneficial owner of the shares of common stock disclosed as directly owned by Palm Global. Palm Management (US) LLC and Mr. Horowitz expressly disclaim such beneficial ownership except to the extent of their pecuniary interest therein."}],"balance_after":190000,"source":{"system":"sec-edgar","filing":"0001104659-24-098272","document":"tm2423645-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1726444/000110465924098272/tm2423645-1_4seq1.xml","form_type":"4"}},{"id":1411879,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":81971,"kind":"organization","name":"Palm Global Small Cap Master Fund LP","position":2,"cik":"0001726444","reported_name":"Palm Global Small Cap Master Fund LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Director Affiliate"}}],"security":"Common Stock","published_at":"2024-09-09T19:03:06.000Z","date":"2024-09-09","kind":"sale","planned":false,"acquired":false,"shares":1100,"price":64.4477,"value":70892.47,"ownership":{"direct":false,"nature":"Palm Global Small Cap Master Fund LP"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported represents a weighted average price. These shares were sold in multiple transactions at prices ranging from $64.195 to $64.69 per share. The Reporting Persons undertake 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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Palm Management (US) LLC, as the investment manager of Palm Global Small Cap Master Fund LP (\"Palm Global\"), may be deemed to be a beneficial owner of the shares of common stock disclosed as directly owned by Palm Global. Due to his positions as a portfolio manager and special limited partner of Palm Global and as an employee of Palm Management (US) LLC, Mr. Horowitz may be deemed to be a beneficial owner of the shares of common stock disclosed as directly owned by Palm Global. 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Palm Management (US) LLC and the Reporting Person expressly disclaim such beneficial ownership except to the extent of their pecuniary interest therein."}],"balance_after":80809,"source":{"system":"sec-edgar","filing":"0001104659-24-062671","document":"tm2414792-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2186/000110465924062671/tm2414792-1_4seq1.xml","form_type":"4"}},{"id":1515534,"issuer":{"id":6049,"kind":"organization","name":"BK Technologies Corp"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-05-17T00:07:05.000Z","date":"2024-05-15","kind":"purchase","planned":false,"acquired":true,"shares":5572,"price":13.4518,"value":74953.4296,"ownership":{"direct":false,"nature":"By Palm Global Small Cap Master Fund LP"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported represents a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.32 to $13.57 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":"F1","text":"Palm Management (US) LLC, as the investment manager of Palm Global Small Cap Master Fund LP (\"Palm Global\"), may be deemed to be a beneficial owner of the shares of Common Stock disclosed as directly owned by Palm Global. Due to his positions as a portfolio manager and special limited partner of Palm Global and as an employee of Palm Management (US) LLC, the Reporting Person may be deemed to be a beneficial owner of the shares of Common Stock disclosed as directly owned by Palm Global. Palm Management (US) LLC and the Reporting Person expressly disclaim such beneficial ownership except to the extent of their pecuniary interest therein."}],"balance_after":72640,"source":{"system":"sec-edgar","filing":"0001104659-24-062671","document":"tm2414792-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2186/000110465924062671/tm2414792-1_4seq1.xml","form_type":"4"}},{"id":1515533,"issuer":{"id":6049,"kind":"organization","name":"BK Technologies Corp"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-05-17T00:07:05.000Z","date":"2024-05-14","kind":"purchase","planned":false,"acquired":true,"shares":2893,"price":13.2318,"value":38279.5974,"ownership":{"direct":false,"nature":"By Palm Global Small Cap Master Fund LP"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported represents a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.10 to $13.41 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":"F1","text":"Palm Management (US) LLC, as the investment manager of Palm Global Small Cap Master Fund LP (\"Palm Global\"), may be deemed to be a beneficial owner of the shares of Common Stock disclosed as directly owned by Palm Global. Due to his positions as a portfolio manager and special limited partner of Palm Global and as an employee of Palm Management (US) LLC, the Reporting Person may be deemed to be a beneficial owner of the shares of Common Stock disclosed as directly owned by Palm Global. Palm Management (US) LLC and the Reporting Person expressly disclaim such beneficial ownership except to the extent of their pecuniary interest therein."}],"balance_after":67068,"source":{"system":"sec-edgar","filing":"0001104659-24-062671","document":"tm2414792-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2186/000110465924062671/tm2414792-1_4seq1.xml","form_type":"4"}},{"id":1532831,"issuer":{"id":14008,"kind":"organization","name":"NeuroMetrix, Inc.","symbol":"NURO"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-04-30T20:18:31.000Z","date":"2024-04-22","kind":"sale","planned":false,"acquired":false,"shares":1000,"price":4.58,"value":4580.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"This amendment is being filed solely to correct an error on the original Form 4, filed on April 22, 2024 by the Reporting Person (the \"Original Form 4\"), pursuant to which the Original Form 4 did not report an inadvertent sale that occurred on April 22, 2024 of 1,000 shares of the Issuer's common stock (at $4.58 per share). The number of shares presented on this amendment to the Original Form 4 represents the current number of shares beneficially owned by the Reporting Person."}],"balance_after":23438,"source":{"system":"sec-edgar","filing":"0001628280-24-019355","document":"wk-form4a_1714508297.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1612424/000162828024019355/wk-form4a_1714508297.xml","form_type":"4/A","original_submission_date":"2024-04-22"}},{"id":1532830,"issuer":{"id":14008,"kind":"organization","name":"NeuroMetrix, Inc.","symbol":"NURO"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-04-30T20:18:31.000Z","date":"2024-04-18","kind":"grant","planned":false,"acquired":true,"shares":16438,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Consists of restricted stock units (\"RSUs\"). Each RSU represents the right to receive one share of common stock upon vesting. The RSUs were issued to the Reporting Person as the initial grant to non-employee directors pursuant to the Issuer's policy for compensating non-employee directors for services to be rendered to the Issuer as a member of its Board of Directors. The RSUs vest in four equal quarterly installments beginning June 30, 2024, with full vesting to occur on the earlier of the date of the 2025 annual meeting of stockholders or a change in control of the Issuer, subject to the Reporting Person's continued service on the Board of Directors on such date."}],"balance_after":24438,"source":{"system":"sec-edgar","filing":"0001628280-24-019355","document":"wk-form4a_1714508297.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1612424/000162828024019355/wk-form4a_1714508297.xml","form_type":"4/A","original_submission_date":"2024-04-22"}},{"id":1537567,"issuer":{"id":14008,"kind":"organization","name":"NeuroMetrix, Inc.","symbol":"NURO"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-04-22T20:23:17.000Z","date":"2024-04-18","kind":"grant","planned":false,"acquired":true,"shares":16438,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Consists of restricted stock units (\"RSUs\"). Each RSU represents the right to receive one share of common stock upon vesting. The RSUs were issued to the Reporting Person as the initial grant to non-employee directors pursuant to the Issuer's policy for compensating non-employee directors for services to be rendered to the Issuer as a member of its Board of Directors. The RSUs vest in four equal quarterly installments beginning June 30, 2024, with full vesting to occur on the earlier of the date of the 2025 annual meeting of stockholders or a change in control of the Issuer, subject to the Reporting Person's continued service on the Board of Directors on such date."}],"balance_after":24438,"source":{"system":"sec-edgar","filing":"0001628280-24-017128","document":"wk-form4_1713817385.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1612424/000162828024017128/wk-form4_1713817385.xml","form_type":"4"}},{"id":1605623,"issuer":{"id":7823,"kind":"organization","name":"BARNWELL INDUSTRIES INC","symbol":"BRN"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-03-05T01:13:29.000Z","date":"2024-03-04","kind":"purchase","planned":false,"acquired":true,"shares":2203,"price":2.27,"value":5000.81,"ownership":{"direct":false,"nature":"By Palm Global Small Cap Master Fund LP"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.22 to $2.25, inclusive, on February 29, 2024, prices ranging from $2.25 to $2.27, inclusive, on March 1, 2024, and prices ranging from $2.26 to $2.27, inclusive, on March 4, 2024. The reporting person undertakes to provide to the registrant, any security holder of the registrant, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Palm Management (US) LLC, as the investment manager of Palm Global Small Cap Master Fund LP (\"Palm Global\"), may be deemed to be a beneficial owner of the shares of Common Stock disclosed as directly owned by Palm Global. Due to his position with Palm Global and Palm Management (US) LLC, the Reporting Person may be deemed to be a beneficial owner of the shares of Common Stock disclosed as directly owned by Palm Global. Palm Management (US) LLC and the Reporting Person expressly disclaim such beneficial ownership except to the extent of his pecuniary interest therein."}],"balance_after":253180,"source":{"system":"sec-edgar","filing":"0001493152-24-008760","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/10048/000149315224008760/ownership.xml","form_type":"4"}},{"id":1605622,"issuer":{"id":7823,"kind":"organization","name":"BARNWELL INDUSTRIES INC","symbol":"BRN"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-03-05T01:13:29.000Z","date":"2024-03-01","kind":"purchase","planned":false,"acquired":true,"shares":8252,"price":2.27,"value":18732.04,"ownership":{"direct":false,"nature":"By Palm Global Small Cap Master Fund LP"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.22 to $2.25, inclusive, on February 29, 2024, prices ranging from $2.25 to $2.27, inclusive, on March 1, 2024, and prices ranging from $2.26 to $2.27, inclusive, on March 4, 2024. The reporting person undertakes to provide to the registrant, any security holder of the registrant, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Palm Management (US) LLC, as the investment manager of Palm Global Small Cap Master Fund LP (\"Palm Global\"), may be deemed to be a beneficial owner of the shares of Common Stock disclosed as directly owned by Palm Global. Due to his position with Palm Global and Palm Management (US) LLC, the Reporting Person may be deemed to be a beneficial owner of the shares of Common Stock disclosed as directly owned by Palm Global. Palm Management (US) LLC and the Reporting Person expressly disclaim such beneficial ownership except to the extent of his pecuniary interest therein."}],"balance_after":250977,"source":{"system":"sec-edgar","filing":"0001493152-24-008760","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/10048/000149315224008760/ownership.xml","form_type":"4"}},{"id":1605621,"issuer":{"id":7823,"kind":"organization","name":"BARNWELL INDUSTRIES INC","symbol":"BRN"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-03-05T01:13:29.000Z","date":"2024-02-29","kind":"purchase","planned":false,"acquired":true,"shares":1208,"price":2.23,"value":2693.84,"ownership":{"direct":false,"nature":"By Palm Global Small Cap Master Fund LP"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.22 to $2.25, inclusive, on February 29, 2024, prices ranging from $2.25 to $2.27, inclusive, on March 1, 2024, and prices ranging from $2.26 to $2.27, inclusive, on March 4, 2024. The reporting person undertakes to provide to the registrant, any security holder of the registrant, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Palm Management (US) LLC, as the investment manager of Palm Global Small Cap Master Fund LP (\"Palm Global\"), may be deemed to be a beneficial owner of the shares of Common Stock disclosed as directly owned by Palm Global. Due to his position with Palm Global and Palm Management (US) LLC, the Reporting Person may be deemed to be a beneficial owner of the shares of Common Stock disclosed as directly owned by Palm Global. Palm Management (US) LLC and the Reporting Person expressly disclaim such beneficial ownership except to the extent of his pecuniary interest therein."}],"balance_after":242725,"source":{"system":"sec-edgar","filing":"0001493152-24-008760","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/10048/000149315224008760/ownership.xml","form_type":"4"}},{"id":1652911,"issuer":{"id":6049,"kind":"organization","name":"BK Technologies Corp"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true}}],"security":"Common Stock","published_at":"2024-02-09T12:38:07.000Z","date":"2024-02-06","kind":"grant","planned":false,"acquired":true,"shares":7335,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock units (RSUs) under the 2017 Incentive Compensation Plan. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs vest in three equal annual installments beginning on the first anniversary of the grant date and on each anniversary date thereafter, subject to the Reporting Person's continued service as a director of the Issuer through such date."}],"balance_after":23335,"source":{"system":"sec-edgar","filing":"0001654954-24-001506","document":"section16.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2186/000165495424001506/section16.xml","form_type":"4"}},{"id":1692387,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2024-01-03T23:23:38.000Z","date":"2024-01-01","kind":"grant","planned":false,"acquired":true,"shares":1914,"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. (the \"Company\") common stock, exempt under Rule 16b-3."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"This award of RSUs was granted on 01/01/2024. The RSUs are scheduled to cliff vest on January 1, 2025."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"This award of RSUs was granted on 01/01/2024. The RSUs are scheduled to cliff vest on January 1, 2025."}],"balance_after":1914,"derivative":{"underlying":"Common Stock","underlying_shares":1914},"source":{"system":"sec-edgar","filing":"0001628280-24-000300","document":"wk-form4_1704324203.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1612424/000162828024000300/wk-form4_1704324203.xml","form_type":"4"}},{"id":1692386,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2024-01-03T23:23:38.000Z","date":"2024-01-01","kind":"exercise","planned":false,"acquired":false,"shares":6906,"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. (the \"Company\") common stock, exempt under Rule 16b-3."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"This award of RSUs was granted on 01/04/2023. The RSUs cliff vested on January 1, 2024."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"This award of RSUs was granted on 01/04/2023. The RSUs cliff vested on January 1, 2024."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":6906},"source":{"system":"sec-edgar","filing":"0001628280-24-000300","document":"wk-form4_1704324203.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1612424/000162828024000300/wk-form4_1704324203.xml","form_type":"4"}},{"id":1692385,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2024-01-03T23:23:38.000Z","date":"2024-01-01","kind":"exercise","planned":false,"acquired":false,"shares":1067,"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. (the \"Company\") common stock, exempt under Rule 16b-3."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"This award of RSUs was granted on 01/01/2021. 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 service through the applicable vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","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 service through the applicable vesting date."}],"balance_after":6906,"derivative":{"underlying":"Common Stock","underlying_shares":1067},"source":{"system":"sec-edgar","filing":"0001628280-24-000300","document":"wk-form4_1704324203.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1612424/000162828024000300/wk-form4_1704324203.xml","form_type":"4"}},{"id":1692384,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-01-03T23:23:38.000Z","date":"2024-01-01","kind":"exercise","planned":false,"acquired":true,"shares":6906,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":40915,"source":{"system":"sec-edgar","filing":"0001628280-24-000300","document":"wk-form4_1704324203.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1612424/000162828024000300/wk-form4_1704324203.xml","form_type":"4"}},{"id":1692383,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-01-03T23:23:38.000Z","date":"2024-01-01","kind":"exercise","planned":false,"acquired":true,"shares":1067,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":34009,"source":{"system":"sec-edgar","filing":"0001628280-24-000300","document":"wk-form4_1704324203.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1612424/000162828024000300/wk-form4_1704324203.xml","form_type":"4"}},{"id":1701822,"issuer":{"id":7823,"kind":"organization","name":"BARNWELL INDUSTRIES INC","symbol":"BRN"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-12-22T22:53:51.000Z","date":"2023-12-22","kind":"purchase","planned":false,"acquired":true,"shares":14000,"price":2.38,"value":33320.0,"ownership":{"direct":false,"nature":"By Palm Global Small Cap Master Fund LP"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.20 to $2.29, inclusive, on December 20, 2023, prices ranging from $2.26 to $2.35, inclusive, on December 21, 2023, and prices ranging from $2.315 to $2.42, inclusive, on December 22, 2023. The reporting person undertakes to provide to the registrant, any security holder of the registrant, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Palm Management (US) LLC, as the investment manager of Palm Global Small Cap Master Fund LP (\"Palm Global\"), may be deemed to be a beneficial owner of the shares of Common Stock disclosed as directly owned by Palm Global. Due to his position with Palm Global and Palm Management (US) LLC, the Reporting Person may be deemed to be a beneficial owner of the shares of Common Stock disclosed as directly owned by Palm Global. Palm Management (US) LLC and the Reporting Person expressly disclaim such beneficial ownership except to the extent of his pecuniary interest therein."}],"balance_after":241517,"source":{"system":"sec-edgar","filing":"0001493152-23-046011","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/10048/000149315223046011/ownership.xml","form_type":"4"}},{"id":1701821,"issuer":{"id":7823,"kind":"organization","name":"BARNWELL INDUSTRIES INC","symbol":"BRN"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-12-22T22:53:51.000Z","date":"2023-12-21","kind":"purchase","planned":false,"acquired":true,"shares":3209,"price":2.27,"value":7284.43,"ownership":{"direct":false,"nature":"By Palm Global Small Cap Master Fund LP"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.20 to $2.29, inclusive, on December 20, 2023, prices ranging from $2.26 to $2.35, inclusive, on December 21, 2023, and prices ranging from $2.315 to $2.42, inclusive, on December 22, 2023. The reporting person undertakes to provide to the registrant, any security holder of the registrant, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Palm Management (US) LLC, as the investment manager of Palm Global Small Cap Master Fund LP (\"Palm Global\"), may be deemed to be a beneficial owner of the shares of Common Stock disclosed as directly owned by Palm Global. Due to his position with Palm Global and Palm Management (US) LLC, the Reporting Person may be deemed to be a beneficial owner of the shares of Common Stock disclosed as directly owned by Palm Global. Palm Management (US) LLC and the Reporting Person expressly disclaim such beneficial ownership except to the extent of his pecuniary interest therein."}],"balance_after":227517,"source":{"system":"sec-edgar","filing":"0001493152-23-046011","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/10048/000149315223046011/ownership.xml","form_type":"4"}},{"id":1701820,"issuer":{"id":7823,"kind":"organization","name":"BARNWELL INDUSTRIES INC","symbol":"BRN"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-12-22T22:53:51.000Z","date":"2023-12-20","kind":"purchase","planned":false,"acquired":true,"shares":10000,"price":2.27,"value":22700.0,"ownership":{"direct":false,"nature":"By Palm Global Small Cap Master Fund LP"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. 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Due to his position with Palm Global and Palm Management (US) LLC, the Reporting Person may be deemed to be a beneficial owner of the shares of Common Stock disclosed as directly owned by Palm Global. 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These shares were purchased in multiple transactions at prices ranging from $2.66 to $2.69 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":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Palm Management (US) LLC, as the investment manager of Palm Global Small Cap Master Fund LP (\"Palm Global\"), may be deemed to be a beneficial owner of the shares of Common Stock disclosed as directly owned by Palm Global.  Due to his position with Palm Global and Palm Management (US) LLC, the Reporting Person may be deemed to be a beneficial owner of the shares of Common Stock disclosed as directly owned by Palm Global.  Palm Management (US) LLC and the Reporting Person expressly disclaim such beneficial ownership except to the extent of his pecuniary interest therein."}],"balance_after":214308,"source":{"system":"sec-edgar","filing":"0001062993-23-009532","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/10048/000106299323009532/form4.xml","form_type":"4"}},{"id":1913913,"issuer":{"id":7823,"kind":"organization","name":"BARNWELL INDUSTRIES INC","symbol":"BRN"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-04-26T21:31:30.000Z","date":"2023-04-24","kind":"purchase","planned":false,"acquired":true,"shares":14000,"price":2.705,"value":37870.0,"ownership":{"direct":false,"nature":"By Palm Global Small Cap Master Fund LP"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported represents the per share price paid for all shares purchased on April 24, 2023.  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":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Palm Management (US) LLC, as the investment manager of Palm Global Small Cap Master Fund LP (\"Palm Global\"), may be deemed to be a beneficial owner of the shares of Common Stock disclosed as directly owned by Palm Global.  Due to his position with Palm Global and Palm Management (US) LLC, the Reporting Person may be deemed to be a beneficial owner of the shares of Common Stock disclosed as directly owned by Palm Global.  Palm Management (US) LLC and the Reporting Person expressly disclaim such beneficial ownership except to the extent of his pecuniary interest therein."}],"balance_after":208064,"source":{"system":"sec-edgar","filing":"0001062993-23-009532","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/10048/000106299323009532/form4.xml","form_type":"4"}},{"id":2067597,"issuer":{"id":5430,"kind":"organization","name":"Limbach Holdings, Inc.","symbol":"LMB"},"owners":[{"id":21335,"kind":"person","name":"Horowitz Joshua","position":1,"cik":"0001612424","reported_name":"Horowitz Joshua","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2023-01-04T23:16:40.000Z","date":"2023-01-04","kind":"grant","acquired":true,"shares":6906,"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. 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