LMB

SEC source: 0001144204-19-000438 · tv510348_form4.xml · nonDerivative · entry 1

SWETS LARRY G JR · CIK 0001409891 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,132

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: 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.

SEC source: 0001144204-19-000435 · tv510346_form4.xml · derivative · entry 4

PRATT GORDON G · CIK 0001409889 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,200

Underlying: Common Stock · 1,066 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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.

F3 · derivative.exercise_date: This award of RSUs was granted on 04/13/2018. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2019, January 1, 2020 and January 1, 2021, subject to continued service through the applicable vesting date.

F3 · derivative.expiration_date: This award of RSUs was granted on 04/13/2018. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2019, January 1, 2020 and January 1, 2021, subject to continued service through the applicable vesting date.

SEC source: 0001144204-19-000435 · tv510346_form4.xml · derivative · entry 3

PRATT GORDON G · CIK 0001409889 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,268

Underlying: Common Stock · 1,066 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: This award of RSUs was granted on 08/30/2017. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2018, January 1, 2019 and January 1, 2020, subject to continued service through the applicable vesting date.

F2 · derivative.expiration_date: This award of RSUs was granted on 08/30/2017. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2018, January 1, 2019 and January 1, 2020, subject to continued service through the applicable vesting date.

SEC source: 0001144204-19-000435 · tv510346_form4.xml · nonDerivative · entry 2

PRATT GORDON G · CIK 0001409889 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,198

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: 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.

SEC source: 0001144204-19-000435 · tv510346_form4.xml · nonDerivative · entry 1

PRATT GORDON G · CIK 0001409889 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,132

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: 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.

SEC source: 0001144204-19-000431 · tv510343_form4.xml · derivative · entry 4

Bacon Charles A. III · CIK 0001679798 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,000

Underlying: Common Stock · 5,833 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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).

F3 · derivative.exercise_date: This award of RSUs was granted on 04/13/2018. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2019, January 1, 2020 and January 1, 2021, subject to continued employment through the applicable vesting date.

F3 · derivative.expiration_date: This award of RSUs was granted on 04/13/2018. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2019, January 1, 2020 and January 1, 2021, subject to continued employment through the applicable vesting date.

SEC source: 0001144204-19-000431 · tv510343_form4.xml · derivative · entry 3

Bacon Charles A. III · CIK 0001679798 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,833

Underlying: Common Stock · 5,833 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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).

F2 · derivative.exercise_date: This award of RSUs was granted on 08/30/2017. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2018, January 1, 2019 and January 1, 2020, subject to continued employment through the applicable vesting date.

F2 · derivative.expiration_date: This award of RSUs was granted on 08/30/2017. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2018, January 1, 2019 and January 1, 2020, subject to continued employment through the applicable vesting date.

SEC source: 0001144204-19-000431 · tv510343_form4.xml · nonDerivative · entry 2

Bacon Charles A. III · CIK 0001679798 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 262,925

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: 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).

SEC source: 0001144204-19-000431 · tv510343_form4.xml · nonDerivative · entry 1

Bacon Charles A. III · CIK 0001679798 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 257,092

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: 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).

SEC source: 0001144204-19-000425 · tv510341_form4.xml · derivative · entry 5

Thorne Kristopher L. · CIK 0001679795 · Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,833

Underlying: Common Stock · 2,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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).

F3 · derivative.exercise_date: This award of RSUs was granted on 04/13/2018. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2019, January 1, 2020 and January 1, 2021, subject to continued employment through the applicable vesting date.

F3 · derivative.expiration_date: This award of RSUs was granted on 04/13/2018. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2019, January 1, 2020 and January 1, 2021, subject to continued employment through the applicable vesting date.

SEC source: 0001144204-19-000425 · tv510341_form4.xml · derivative · entry 4

Thorne Kristopher L. · CIK 0001679795 · Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,833

Underlying: Common Stock · 2,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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).

F2 · derivative.exercise_date: This award of RSUs was granted on 08/30/2017. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2018, January 1, 2019 and January 1, 2020, subject to continued employment through the applicable vesting date.

F2 · derivative.expiration_date: This award of RSUs was granted on 08/30/2017. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2018, January 1, 2019 and January 1, 2020, subject to continued employment through the applicable vesting date.

SEC source: 0001144204-19-000425 · tv510341_form4.xml · nonDerivative · entry 3

Thorne Kristopher L. · CIK 0001679795 · Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,755

F4 · kind: Represents shares sold to cover withholding taxes due on vesting of the RSUs.

SEC source: 0001144204-19-000425 · tv510341_form4.xml · nonDerivative · entry 2

Thorne Kristopher L. · CIK 0001679795 · Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,205

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: 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).

SEC source: 0001144204-19-000425 · tv510341_form4.xml · nonDerivative · entry 1

Thorne Kristopher L. · CIK 0001679795 · Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: Not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: 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).

SEC source: 0001144204-19-000427 · tv510342_form4.xml · derivative · entry 5

Jordan John T. Jr. · CIK 0001679802 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,000

Underlying: Common Stock · 666 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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).

F3 · derivative.exercise_date: This award of RSUs was granted on 04/13/2018. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2019, January 1, 2020 and January 1, 2021, subject to continued employment through the applicable vesting date.

F3 · derivative.expiration_date: This award of RSUs was granted on 04/13/2018. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2019, January 1, 2020 and January 1, 2021, subject to continued employment through the applicable vesting date.

SEC source: 0001144204-19-000427 · tv510342_form4.xml · derivative · entry 4

Jordan John T. Jr. · CIK 0001679802 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,666

Underlying: Common Stock · 2,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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).

F2 · derivative.exercise_date: This award of RSUs was granted on 08/30/2017. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2018, January 1, 2019 and January 1, 2020, subject to continued employment through the applicable vesting date.

F2 · derivative.expiration_date: This award of RSUs was granted on 08/30/2017. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2018, January 1, 2019 and January 1, 2020, subject to continued employment through the applicable vesting date.

SEC source: 0001144204-19-000427 · tv510342_form4.xml · nonDerivative · entry 3

Jordan John T. Jr. · CIK 0001679802 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: Not disclosed

F4 · kind: Represents shares sold to cover withholding taxes due on vesting of the RSUs.

SEC source: 0001144204-19-000427 · tv510342_form4.xml · nonDerivative · entry 2

Jordan John T. Jr. · CIK 0001679802 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: Not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: 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).

SEC source: 0001144204-19-000427 · tv510342_form4.xml · nonDerivative · entry 1

Jordan John T. Jr. · CIK 0001679802 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: Not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: 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).

SEC source: 0001144204-18-041999 · tv500179_4.xml · derivative · entry 3

Thorne Kristopher L. · CIK 0001679795 · Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,666

Underlying: Common Stock · 4,167 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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).

F1 · price: 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).

F2 · derivative.exercise_date: This award of RSUs was granted on 08/30/2017. 50% of the award is subject to service-based vesting conditions and vests in equal installments on each of August 30, 2017, August 1, 2018 and August 1, 2019, subject to continued employment through the applicable vesting date. The remaining 50% of the award will vest upon the achievement of a specified target share price of the Company's common stock on the Nasdaq Capital Market or other applicable principal securities exchange on which the Company's shares are then listed between August 1, 2018 and August 1, 2021, subject to continued employment from August 1, 2017 through the later of July 31, 2019 and the date on which the Compensation Committee of the Board of Directors certifies the achievement of the performance goal.

F2 · derivative.expiration_date: This award of RSUs was granted on 08/30/2017. 50% of the award is subject to service-based vesting conditions and vests in equal installments on each of August 30, 2017, August 1, 2018 and August 1, 2019, subject to continued employment through the applicable vesting date. The remaining 50% of the award will vest upon the achievement of a specified target share price of the Company's common stock on the Nasdaq Capital Market or other applicable principal securities exchange on which the Company's shares are then listed between August 1, 2018 and August 1, 2021, subject to continued employment from August 1, 2017 through the later of July 31, 2019 and the date on which the Compensation Committee of the Board of Directors certifies the achievement of the performance goal.

SEC source: 0001144204-18-041999 · tv500179_4.xml · nonDerivative · entry 2

Thorne Kristopher L. · CIK 0001679795 · Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,205

F3 · kind: Represents shares sold to cover withholding taxes due on vesting of the RSUs.

SEC source: 0001144204-18-041999 · tv500179_4.xml · nonDerivative · entry 1

Thorne Kristopher L. · CIK 0001679795 · Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,482

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: 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).

SEC source: 0001144204-18-041998 · tv500178_4.xml · derivative · entry 3

Jordan John T. Jr. · CIK 0001679802 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,666

Underlying: Common Stock · 4,167 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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).

F1 · price: 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).

F2 · derivative.exercise_date: This award of RSUs was granted on 08/30/2017. 50% of the award is subject to service-based vesting conditions and vests in equal installments on each of August 30, 2017, August 1, 2018 and August 1, 2019, subject to continued employment through the applicable vesting date. The remaining 50% of the award will vest upon the achievement of a specified target share price of the Company's common stock on the Nasdaq Capital Market or other applicable principal securities exchange on which the Company's shares are then listed between August 1, 2018 and August 1, 2021, subject to continued employment from August 1, 2017 through the later of July 31, 2019 and the date on which the Compensation Committee of the Board of Directors certifies the achievement of the performance goal.

F2 · derivative.expiration_date: This award of RSUs was granted on 08/30/2017. 50% of the award is subject to service-based vesting conditions and vests in equal installments on each of August 30, 2017, August 1, 2018 and August 1, 2019, subject to continued employment through the applicable vesting date. The remaining 50% of the award will vest upon the achievement of a specified target share price of the Company's common stock on the Nasdaq Capital Market or other applicable principal securities exchange on which the Company's shares are then listed between August 1, 2018 and August 1, 2021, subject to continued employment from August 1, 2017 through the later of July 31, 2019 and the date on which the Compensation Committee of the Board of Directors certifies the achievement of the performance goal.

SEC source: 0001144204-18-041998 · tv500178_4.xml · nonDerivative · entry 2

Jordan John T. Jr. · CIK 0001679802 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,054

F3 · kind: Represents shares sold to cover withholding taxes due on vesting of the RSUs.

SEC source: 0001144204-18-041998 · tv500178_4.xml · nonDerivative · entry 1

Jordan John T. Jr. · CIK 0001679802 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,375

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: 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).

SEC source: 0001144204-18-041997 · tv500177_4.xml · derivative · entry 3

Bacon Charles A. III · CIK 0001679798 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,666

Underlying: Common Stock · 16,667 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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).

F1 · price: 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).

F2 · derivative.exercise_date: This award of RSUs was granted on 08/30/2017. 50% of the award is subject to service-based vesting conditions and vests in equal installments on each of August 30, 2017, August 1, 2018 and August 1, 2019, subject to continued employment through the applicable vesting date. The remaining 50% of the award will vest upon the achievement of a specified target share price of the Company's common stock on the Nasdaq Capital Market or other applicable principal securities exchange on which the Company's shares are then listed between August 1, 2018 and August 1, 2021, subject to continued employment from August 1, 2017 through the later of July 31, 2019 and the date on which the Compensation Committee of the Board of Directors certifies the achievement of the performance goal.

F2 · derivative.expiration_date: This award of RSUs was granted on 08/30/2017. 50% of the award is subject to service-based vesting conditions and vests in equal installments on each of August 30, 2017, August 1, 2018 and August 1, 2019, subject to continued employment through the applicable vesting date. The remaining 50% of the award will vest upon the achievement of a specified target share price of the Company's common stock on the Nasdaq Capital Market or other applicable principal securities exchange on which the Company's shares are then listed between August 1, 2018 and August 1, 2021, subject to continued employment from August 1, 2017 through the later of July 31, 2019 and the date on which the Compensation Committee of the Board of Directors certifies the achievement of the performance goal.

SEC source: 0001144204-18-041997 · tv500177_4.xml · nonDerivative · entry 2

Bacon Charles A. III · CIK 0001679798 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 251,259

F3 · kind: Represents shares sold to cover withholding taxes due on vesting of the RSUs.

SEC source: 0001144204-18-041997 · tv500177_4.xml · nonDerivative · entry 1

Bacon Charles A. III · CIK 0001679798 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 255,532

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: 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).

SEC source: 0001144204-18-038397 · tv498579_4.xml · derivative · entry 2

1347 Investors LLC · CIK 0001612411 · Director · 10% owner · See Remarks

SWETS LARRY G JR · CIK 0001409891 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 61,250 shares

Expires 2021-07-20

F1 · derivative.exercise_price: Each Public Warrant is exercisable to purchase one-half of one share of common stock at $11.50 per whole share, subject to adjustment as described under the heading "Description of Securities--Warrants included as part of units" in the Issuer's registration statement on Form S-1 (File No. 333-195695).

F2 · kind: Represents transfers of Public Warrants pursuant to certain loan and security agreements, dated July 18, 2016, which required 1347 Investors LLC ("1347 Investors") to transfer to the lenders thereunder a number of Public Warrants that 1347 Investors purchased in the open market contemporaneously with the execution of the loan and security agreements on July 18, 2016 for a purchase price of $0.25 per warrant (as reported previously on a Form 4).

F3 · ownership.direct: The securities are held directly by 1347 Investors. Larry G. Swets, Jr. is a manager of 1347 Investors and shares voting and dispositive control over the securities held by 1347 Investors. Accordingly, Larry G. Swets, Jr. may be deemed to share beneficial ownership over the securities held directly by 1347 Investors. Each of the Reporting Persons disclaims beneficial ownership of such securities except to the extent of its or his pecuniary interest therein, and this Report shall not be deemed an admission that the Reporting Persons are the beneficial owners of the securities for purposes of Section 16 or for any other purpose.

SEC source: 0001144204-18-050429 · tv496111_form4.xml · derivative · entry 3

McNally Michael F · CIK 0001667559 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 712

Underlying: Common Stock · 355 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: This award of RSUs was granted on 04/27/2018. 33% of the RSUs vested upon the grant dated and the remaining RSUs vest equally on January 1, 2019 and January 1, 2020, subject to continued service through the applicable vesting date.

F2 · derivative.expiration_date: This award of RSUs was granted on 04/27/2018. 33% of the RSUs vested upon the grant dated and the remaining RSUs vest equally on January 1, 2019 and January 1, 2020, subject to continued service through the applicable vesting date.

SEC source: 0001144204-18-050429 · tv496111_form4.xml · derivative · entry 2

McNally Michael F · CIK 0001667559 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,067

Underlying: Common Stock · 1,067 shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: This award of RSUs was granted on 04/27/2018. 33% of the RSUs vested upon the grant dated and the remaining RSUs vest equally on January 1, 2019 and January 1, 2020, subject to continued service through the applicable vesting date.

F2 · derivative.expiration_date: This award of RSUs was granted on 04/27/2018. 33% of the RSUs vested upon the grant dated and the remaining RSUs vest equally on January 1, 2019 and January 1, 2020, subject to continued service through the applicable vesting date.

SEC source: 0001144204-18-050429 · tv496111_form4.xml · nonDerivative · entry 1

McNally Michael F · CIK 0001667559 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 355

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: 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.

SEC source: 0001144204-18-050429 · tv496111_form4.xml · derivative · entry 4

McNally Michael F · CIK 0001667559 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,200

Underlying: Common Stock · 3,200 shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F3 · derivative.exercise_date: This award of RSUs was granted on 04/13/2018. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2019, January 1, 2020 and January 1, 2021, subject to continued service through the applicable vesting date.

F3 · derivative.expiration_date: This award of RSUs was granted on 04/13/2018. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2019, January 1, 2020 and January 1, 2021, subject to continued service through the applicable vesting date.

SEC source: 0001144204-18-050428 · tv496110_form4.xml · derivative · entry 1

Bacon Charles A. III · CIK 0001679798 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,500

Underlying: Common Stock · 17,500 shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: This award of RSUs was granted on 04/13/2018. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2019, January 1, 2020 and January 1, 2021, 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.

F2 · derivative.expiration_date: This award of RSUs was granted on 04/13/2018. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2019, January 1, 2020 and January 1, 2021, 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.

SEC source: 0001144204-18-050426 · tv496108_form4.xml · derivative · entry 1

Gellman David S · CIK 0001333524 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,200

Underlying: Common Stock · 3,200 shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: This award of RSUs was granted on 04/13/2018. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2019, January 1, 2020 and January 1, 2021, subject to continued service through the applicable vesting date.

F2 · derivative.expiration_date: This award of RSUs was granted on 04/13/2018. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2019, January 1, 2020 and January 1, 2021, subject to continued service through the applicable vesting date.

SEC source: 0001144204-18-050427 · tv496109_form4.xml · derivative · entry 1

Thorne Kristopher L. · CIK 0001679795 · Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,000

Underlying: Common Stock · 6,000 shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: This award of RSUs was granted on 04/13/2018. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2019, January 1, 2020 and January 1, 2021, 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.

F2 · derivative.expiration_date: This award of RSUs was granted on 04/13/2018. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2019, January 1, 2020 and January 1, 2021, 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.

SEC source: 0001144204-18-050425 · tv496107_form4.xml · derivative · entry 1

Jordan John T. Jr. · CIK 0001679802 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,000

Underlying: Common Stock · 2,000 shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: This award of RSUs was granted on 04/13/2018. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2019, January 1, 2020 and January 1, 2021, 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.

F2 · derivative.expiration_date: This award of RSUs was granted on 04/13/2018. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2019, January 1, 2020 and January 1, 2021, 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.

SEC source: 0001144204-18-050424 · tv496106_form4.xml · derivative · entry 1

PRATT GORDON G · CIK 0001409889 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,200

Underlying: Common Stock · 3,200 shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: This award of RSUs was granted on 04/13/2018. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2019, January 1, 2020 and January 1, 2021, subject to continued service through the applicable vesting date.

F2 · derivative.expiration_date: This award of RSUs was granted on 04/13/2018. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2019, January 1, 2020 and January 1, 2021, subject to continued service through the applicable vesting date.

SEC source: 0001144204-18-050423 · tv496105_form4.xml · derivative · entry 1

Young Norbert W. · CIK 0001679800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,200

Underlying: Common Stock · 3,200 shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: This award of RSUs was granted on 04/13/2018. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2019, January 1, 2020 and January 1, 2021, subject to continued service through the applicable vesting date.

F2 · derivative.expiration_date: This award of RSUs was granted on 04/13/2018. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2019, January 1, 2020 and January 1, 2021, subject to continued service through the applicable vesting date.

SEC source: 0001144204-18-050422 · tv496104_form4.xml · derivative · entry 1

SWETS LARRY G JR · CIK 0001409891 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,200

Underlying: Common Stock · 3,200 shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: This award of RSUs was granted on 04/13/2018. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2019, January 1, 2020 and January 1, 2021, subject to continued service through the applicable vesting date.

F2 · derivative.expiration_date: This award of RSUs was granted on 04/13/2018. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2019, January 1, 2020 and January 1, 2021, subject to continued service through the applicable vesting date.

SEC source: 0001144204-18-032499 · tv495734_form4.xml · nonDerivative · entry 2

Bacon Charles A. III · CIK 0001679798 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 238,865

F3 · kind: Shares withheld by the Company to satisfy minimum tax withholding requirements.

SEC source: 0001144204-18-032500 · tv495735_form4.xml · nonDerivative · entry 2

Jordan John T. Jr. · CIK 0001679802 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,208

F3 · kind: Shares withheld by the Company to satisfy minimum tax withholding requirements.

SEC source: 0001144204-18-032495 · tv495730_form4.xml · nonDerivative · entry 2

Thorne Kristopher L. · CIK 0001679795 · Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,315

F3 · kind: Shares withheld by the Company to satisfy minimum tax withholding requirements.

SEC source: 0001144204-18-038397 · tv498579_4.xml · derivative · entry 1

1347 Investors LLC · CIK 0001612411 · Director · 10% owner · See Remarks

SWETS LARRY G JR · CIK 0001409891 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 122,500

Underlying: Common Stock · 13,334 shares

Expires 2021-07-20

F1 · derivative.exercise_price: Each Public Warrant is exercisable to purchase one-half of one share of common stock at $11.50 per whole share, subject to adjustment as described under the heading "Description of Securities--Warrants included as part of units" in the Issuer's registration statement on Form S-1 (File No. 333-195695).

F2 · kind: Represents transfers of Public Warrants pursuant to certain loan and security agreements, dated July 18, 2016, which required 1347 Investors LLC ("1347 Investors") to transfer to the lenders thereunder a number of Public Warrants that 1347 Investors purchased in the open market contemporaneously with the execution of the loan and security agreements on July 18, 2016 for a purchase price of $0.25 per warrant (as reported previously on a Form 4).

F3 · ownership.direct: The securities are held directly by 1347 Investors. Larry G. Swets, Jr. is a manager of 1347 Investors and shares voting and dispositive control over the securities held by 1347 Investors. Accordingly, Larry G. Swets, Jr. may be deemed to share beneficial ownership over the securities held directly by 1347 Investors. Each of the Reporting Persons disclaims beneficial ownership of such securities except to the extent of its or his pecuniary interest therein, and this Report shall not be deemed an admission that the Reporting Persons are the beneficial owners of the securities for purposes of Section 16 or for any other purpose.

SEC source: 0001104659-18-005881 · a4.xml · derivative · entry 9

Gellman David S · CIK 0001333524 · Director · 10% owner

FdG Capital Partners LLC · CIK 0001333521 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 23,260

Underlying: Common Stock · 23,260 shares

Expires 2021-08-19

F3 · kind: Represents securities received as pro rata distributions from FdG Capital Partners LLC and held directly by FdG Capital Associates LLC, of which Mr. Gellman is a member and on the board of managers. Mr. Gellman disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: Represents securities received as pro rata distributions from FdG Capital Partners LLC and held directly by FdG Capital Associates LLC, of which Mr. Gellman is a member and on the board of managers. Mr. Gellman disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

SEC source: 0001104659-18-005881 · a4.xml · derivative · entry 8

Gellman David S · CIK 0001333524 · Director · 10% owner

FdG Capital Partners LLC · CIK 0001333521 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 15,504

Underlying: Common Stock · 15,504 shares

Expires 2023-08-19

F3 · kind: Represents securities received as pro rata distributions from FdG Capital Partners LLC and held directly by FdG Capital Associates LLC, of which Mr. Gellman is a member and on the board of managers. Mr. Gellman disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: Represents securities received as pro rata distributions from FdG Capital Partners LLC and held directly by FdG Capital Associates LLC, of which Mr. Gellman is a member and on the board of managers. Mr. Gellman disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

SEC source: 0001104659-18-005881 · a4.xml · derivative · entry 7

Gellman David S · CIK 0001333524 · Director · 10% owner

FdG Capital Partners LLC · CIK 0001333521 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,768

Underlying: Common Stock · 2,768 shares

Expires 2021-08-19

F2 · kind: Represents securities received as pro rata distributions by Mr. Gellman as a member of Huck Holdings LLC immediately following distributions to Huck Holdings LLC as a member of FdG Capital Partners LLC.

SEC source: 0001104659-18-005881 · a4.xml · derivative · entry 6

Gellman David S · CIK 0001333524 · Director · 10% owner

FdG Capital Partners LLC · CIK 0001333521 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,844

Underlying: Common Stock · 1,844 shares

Expires 2023-08-19

F2 · kind: Represents securities received as pro rata distributions by Mr. Gellman as a member of Huck Holdings LLC immediately following distributions to Huck Holdings LLC as a member of FdG Capital Partners LLC.

SEC source: 0001104659-18-005881 · a4.xml · derivative · entry 5

Gellman David S · CIK 0001333524 · Director · 10% owner

FdG Capital Partners LLC · CIK 0001333521 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 787,982 shares

Expires 2021-08-19

F1 · kind: The transactions reported represent pro rata distributions, and not purchases or sales of securities, by FdG Capital Partners LLC to its members without consideration.

F4 · ownership.nature: The securities distributed were held directly by FdG Capital Partners LLC. Mr. Gellman is the sole member of the investment committee of FdG Capital Partners LLC. Mr. Gellman disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

SEC source: 0001104659-18-005881 · a4.xml · derivative · entry 4

Gellman David S · CIK 0001333524 · Director · 10% owner

FdG Capital Partners LLC · CIK 0001333521 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 525,322 shares

Expires 2023-08-19

F1 · kind: The transactions reported represent pro rata distributions, and not purchases or sales of securities, by FdG Capital Partners LLC to its members without consideration.

F4 · ownership.nature: The securities distributed were held directly by FdG Capital Partners LLC. Mr. Gellman is the sole member of the investment committee of FdG Capital Partners LLC. Mr. Gellman disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.