LMB

SEC source: 0001628280-25-000360 · wk-form4_1735941992.xml · nonDerivative · entry 4

Brooks Jayme L. · CIK 0001447591 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 106,103

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.

SEC source: 0001628280-25-000360 · wk-form4_1735941992.xml · nonDerivative · entry 3

Brooks Jayme L. · CIK 0001447591 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 104,837

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.

SEC source: 0001628280-25-000360 · wk-form4_1735941992.xml · nonDerivative · entry 2

Brooks Jayme L. · CIK 0001447591 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 104,740

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.

SEC source: 0001628280-25-000360 · wk-form4_1735941992.xml · nonDerivative · entry 1

Brooks Jayme L. · CIK 0001447591 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,300

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.

SEC source: 0001628280-24-050771 · wk-form4_1733951597.xml · nonDerivative · entry 1

Gaboury David Richard · CIK 0002026309 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,071

SEC source: 0001628280-24-040358 · wk-form4_1726259872.xml · nonDerivative · entry 1

Gaboury David Richard · CIK 0002026309 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,540

SEC source: 0001104659-24-098676 · tm2423659-2_4seq1.xml · nonDerivative · entry 1

Horowitz Joshua · CIK 0001612424 · Director

Palm Global Small Cap Master Fund LP · CIK 0001726444 · Director Affiliate

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,915

SEC source: 0001104659-24-098272 · tm2423645-1_4seq1.xml · nonDerivative · entry 7

Horowitz Joshua · CIK 0001612424 · Director

Palm Global Small Cap Master Fund LP · CIK 0001726444 · Director Affiliate

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Palm Global Small Cap Master Fund LP

Disclosed balance after: 190,000

F1 · ownership.nature: 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.

SEC source: 0001104659-24-098272 · tm2423645-1_4seq1.xml · nonDerivative · entry 6

Horowitz Joshua · CIK 0001612424 · Director

Palm Global Small Cap Master Fund LP · CIK 0001726444 · Director Affiliate

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Palm Global Small Cap Master Fund LP

Disclosed balance after: 190,300

F7 · price: 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.

F1 · ownership.nature: 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.

SEC source: 0001104659-24-098272 · tm2423645-1_4seq1.xml · nonDerivative · entry 5

Horowitz Joshua · CIK 0001612424 · Director

Palm Global Small Cap Master Fund LP · CIK 0001726444 · Director Affiliate

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Palm Global Small Cap Master Fund LP

Disclosed balance after: 191,400

F6 · price: The price reported represents a weighted average price. These shares were sold in multiple transactions at prices ranging from $63.15 to $64.11 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.

F1 · ownership.nature: 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.

SEC source: 0001628280-24-040129 · wk-form4_1726085106.xml · nonDerivative · entry 2

ALVARADO LINDA G · CIK 0001122788 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,290

SEC source: 0001628280-24-040129 · wk-form4_1726085106.xml · nonDerivative · entry 1

ALVARADO LINDA G · CIK 0001122788 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,840

SEC source: 0001104659-24-098272 · tm2423645-1_4seq1.xml · nonDerivative · entry 4

Horowitz Joshua · CIK 0001612424 · Director

Palm Global Small Cap Master Fund LP · CIK 0001726444 · Director Affiliate

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Palm Global Small Cap Master Fund LP

Disclosed balance after: 195,000

F5 · price: The price reported represents a weighted average price. These shares were sold in multiple transactions at prices ranging from $62.165 to $62.32 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.

F1 · ownership.nature: 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.

SEC source: 0001104659-24-098272 · tm2423645-1_4seq1.xml · nonDerivative · entry 3

Horowitz Joshua · CIK 0001612424 · Director

Palm Global Small Cap Master Fund LP · CIK 0001726444 · Director Affiliate

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Palm Global Small Cap Master Fund LP

Disclosed balance after: 196,925

F4 · price: The price reported represents a weighted average price. These shares were sold in multiple transactions at prices ranging from $61.05 to $61.375 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.

F1 · ownership.nature: 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.

SEC source: 0001628280-24-039850 · wk-form4_1725912518.xml · nonDerivative · entry 1

Gaboury David Richard · CIK 0002026309 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,200

SEC source: 0001104659-24-098272 · tm2423645-1_4seq1.xml · nonDerivative · entry 2

Horowitz Joshua · CIK 0001612424 · Director

Palm Global Small Cap Master Fund LP · CIK 0001726444 · Director Affiliate

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Palm Global Small Cap Master Fund LP

Disclosed balance after: 203,000

F3 · price: The price reported represents a weighted average price. These shares were sold in multiple transactions at prices ranging from $61.45 to $62.44 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.

F1 · ownership.nature: 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.

SEC source: 0001104659-24-098272 · tm2423645-1_4seq1.xml · nonDerivative · entry 1

Horowitz Joshua · CIK 0001612424 · Director

Palm Global Small Cap Master Fund LP · CIK 0001726444 · Director Affiliate

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Palm Global Small Cap Master Fund LP

Disclosed balance after: 208,827

F2 · price: The price reported represents a weighted average price. These shares were sold in multiple transactions at prices ranging from $60.95 to $61.42 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.

F1 · ownership.nature: 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.

SEC source: 0001104659-24-091359 · tm2422198-1_4seq1.xml · nonDerivative · entry 3

Horowitz Joshua · CIK 0001612424 · Director

Palm Global Small Cap Master Fund LP · CIK 0001726444 · Director affiliate

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Palm Global Small Cap Master Fund LP

Disclosed balance after: 210,000

F3 · price: The price reported represents a weighted average price. These shares were sold in multiple transactions at prices ranging from $59.50 to $60.26 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.

F1 · ownership.nature: 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.

SEC source: 0001104659-24-091359 · tm2422198-1_4seq1.xml · nonDerivative · entry 2

Horowitz Joshua · CIK 0001612424 · Director

Palm Global Small Cap Master Fund LP · CIK 0001726444 · Director affiliate

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Palm Global Small Cap Master Fund LP

Disclosed balance after: 217,272

F1 · ownership.nature: 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.

SEC source: 0001104659-24-091359 · tm2422198-1_4seq1.xml · nonDerivative · entry 1

Horowitz Joshua · CIK 0001612424 · Director

Palm Global Small Cap Master Fund LP · CIK 0001726444 · Director affiliate

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Palm Global Small Cap Master Fund LP

Disclosed balance after: 217,372

F2 · price: The price reported represents a weighted average price. These shares were sold in multiple transactions at prices ranging from $59.02 to $59.97 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.

F1 · ownership.nature: 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.

SEC source: 0001104659-24-090226 · tm2421880-1_4seq1.xml · nonDerivative · entry 7

Horowitz Joshua · CIK 0001612424 · Director

Palm Global Small Cap Master Fund LP · CIK 0001726444 · Director affiliate

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Palm Global Small Cap Master Fund LP

Disclosed balance after: 223,272

F7 · price: The price reported represents a weighted average price. These shares were sold in multiple transactions at prices ranging from $59.2052 to $59.75 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.

F1 · ownership.nature: 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.

SEC source: 0001104659-24-090226 · tm2421880-1_4seq1.xml · nonDerivative · entry 6

Horowitz Joshua · CIK 0001612424 · Director

Palm Global Small Cap Master Fund LP · CIK 0001726444 · Director affiliate

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Palm Global Small Cap Master Fund LP

Disclosed balance after: 226,342

F6 · price: The price reported represents a weighted average price. These shares were sold in multiple transactions at prices ranging from $58.70 to $59.20 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.

F1 · ownership.nature: 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.

SEC source: 0001104659-24-090226 · tm2421880-1_4seq1.xml · nonDerivative · entry 5

Horowitz Joshua · CIK 0001612424 · Director

Palm Global Small Cap Master Fund LP · CIK 0001726444 · Director affiliate

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Palm Global Small Cap Master Fund LP

Disclosed balance after: 232,072

F5 · price: The price reported represents a weighted average price. These shares were sold in multiple transactions at prices ranging from $58.35 to $58.385 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.

F1 · ownership.nature: 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.

SEC source: 0001104659-24-090226 · tm2421880-1_4seq1.xml · nonDerivative · entry 4

Horowitz Joshua · CIK 0001612424 · Director

Palm Global Small Cap Master Fund LP · CIK 0001726444 · Director affiliate

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Palm Global Small Cap Master Fund LP

Disclosed balance after: 232,238

F4 · price: The price reported represents a weighted average price. These shares were sold in multiple transactions at prices ranging from $58.40 to $59.39 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.

F1 · ownership.nature: 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.

SEC source: 0001104659-24-090226 · tm2421880-1_4seq1.xml · nonDerivative · entry 3

Horowitz Joshua · CIK 0001612424 · Director

Palm Global Small Cap Master Fund LP · CIK 0001726444 · Director affiliate

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Palm Global Small Cap Master Fund LP

Disclosed balance after: 237,662

F1 · ownership.nature: 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.

SEC source: 0001104659-24-090226 · tm2421880-1_4seq1.xml · nonDerivative · entry 2

Horowitz Joshua · CIK 0001612424 · Director

Palm Global Small Cap Master Fund LP · CIK 0001726444 · Director affiliate

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Palm Global Small Cap Master Fund LP

Disclosed balance after: 237,672

F3 · price: The price reported represents a weighted average price. These shares were sold in multiple transactions at prices ranging from $59.4187 to $59.821 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.

F1 · ownership.nature: 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.

SEC source: 0001104659-24-090226 · tm2421880-1_4seq1.xml · nonDerivative · entry 1

Horowitz Joshua · CIK 0001612424 · Director

Palm Global Small Cap Master Fund LP · CIK 0001726444 · Director affiliate

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Palm Global Small Cap Master Fund LP

Disclosed balance after: 243,672

F2 · price: The price reported represents a weighted average price. These shares were sold in multiple transactions at prices ranging from $58.2109 to $59.0972 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.

F1 · ownership.nature: 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.

SEC source: 0001104659-24-071887 · tm2417374-1_4seq1.xml · nonDerivative · entry 1

Horowitz Joshua · CIK 0001612424 · Director

Palm Global Small Cap Master Fund LP · CIK 0001726444 · Director affiliate

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

10b5-1 filing: No plan indicated

Ownership: Indirect · Palm Global Small Cap Master Fund LP

Disclosed balance after: 249,672

F2 · price: The price reported represents a weighted average price. These shares were sold in multiple transactions at prices ranging from $56.87 to $57.44 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.

F1 · ownership.nature: 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.

SEC source: 0001628280-24-028485 · wk-form4_1718654741.xml · derivative · entry 1

Gaboury David Richard · CIK 0002026309 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 826

Underlying: Common Stock · 826 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 06/13/2024. The award is subject to service-based vesting conditions and vests on January 1, 2025, subject to continued service through the applicable vesting date.

F2 · derivative.expiration_date: This award of RSUs was granted on 06/13/2024. The award is subject to service-based vesting conditions and vests on January 1, 2025, subject to continued service through the applicable vesting date.

SEC source: 0001628280-24-024798 · wk-form4_1716419577.xml · nonDerivative · entry 1

Brooks Jayme L. · CIK 0001447591 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Brooks Family Trust

Disclosed balance after: 4,511

F1 · price: The price reported represents a weighted average price. These shares were purchased in multiple transactions at prices ranging from $51.91 to $52.76 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price.

F2 · ownership.nature: Shares held by the Brooks Family Trust. The Reporting Person and her spouse are trustees of the Brooks Family Trust. The Reporting Person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein, and the inclusion of these securities in this report will not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001628280-24-024389 · wk-form4_1716238774.xml · nonDerivative · entry 1

McCann Michael M · CIK 0001760470 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · The McCann Family Revocable Living Trust

Disclosed balance after: 44,233

F1 · price: The price reported represents a weighted average price. These shares were purchased in multiple transactions at prices ranging from $47.30 to $48.06 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.

F2 · ownership.nature: Shares held by The McCann Family Revocable Living Trust. The Reporting Person and his spouse are trustees of The McCann Family Revocable Living Trust. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report will not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001628280-24-023584 · wk-form4_1715804951.xml · nonDerivative · entry 2

McNally Michael F · CIK 0001667559 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,509

F2 · price: On May 13, 2024, Mr. McNally sold an aggregate of 854 shares of Limbach Holdings, Inc. common stock. For reporting purposes, the sales prices within a $1 range have been aggregated and the weighted average sales price has been reported. The price ranges were: $51.21 to $52.01. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote

SEC source: 0001628280-24-023584 · wk-form4_1715804951.xml · nonDerivative · entry 1

McNally Michael F · CIK 0001667559 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,363

F1 · price: On May 13, 2024, Mr. McNally sold an aggregate of 7,119 shares of Limbach Holdings, Inc. common stock. For reporting purposes, the sales prices within a $1 range have been aggregated and the weighted average sales price has been reported. The price ranges were: $49.78 to $50.51. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001628280-24-023581 · wk-form4_1715804931.xml · nonDerivative · entry 1

Young Norbert W. · CIK 0001679800 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,329

SEC source: 0001628280-24-019625 · wk-form4_1714594768.xml · nonDerivative · entry 1

Young Norbert W. · CIK 0001679800 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,329

F1 · kind: Represents a bona fide gift of shares of the Company's common stock for which no payment or consideration was received by the Reporting Person.

SEC source: 0001628280-24-011537 · wk-form4_1710537683.xml · nonDerivative · entry 2

McCann Michael M · CIK 0001760470 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,567

F2 · shares: Reflects the withholding of 12,333 shares by the Company to satisfy tax withholding requirements. Such transaction was exempt from Section 16(b) pursuant to Rule 16b-3.

SEC source: 0001628280-24-011537 · wk-form4_1710537683.xml · nonDerivative · entry 1

McCann Michael M · CIK 0001760470 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,900

F1 · shares: Represents 31,340 shares of Limbach Holdings, Inc. (the "Company") common stock issued to the reporting person on March 13, 2024 upon vesting of 23,333 performance-based restricted stock units, based on the achievement of certain pre-established performance goals at above-target levels for the performance period commencing on January 1, 2021 through December 31, 2023. Such transaction was exempt from Section 16(b) pursuant to Rule 16b-3.

SEC source: 0001628280-24-011535 · wk-form4_1710537661.xml · nonDerivative · entry 2

Angerosa Nicholas · CIK 0001965575 · President of Harper

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,051

F3 · shares: Reflects the withholding of 1,745 shares by the Company to satisfy tax withholding requirements. Such transaction was exempt from Section 16(b) pursuant to Rule 16b-3.

SEC source: 0001628280-24-011535 · wk-form4_1710537661.xml · nonDerivative · entry 1

Angerosa Nicholas · CIK 0001965575 · President of Harper

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,796

F1 · shares: Represents 7,163 shares of Limbach Holdings, Inc. (the "Company") common stock issued to the reporting person on March 13, 2024 upon vesting of 5,333 performance-based restricted stock units, based on the achievement of certain pre-established performance goals at above-target levels for the performance period commencing on January 1, 2021 through December 31, 2023. Such transaction was exempt from Section 16(b) pursuant to Rule 16b-3.

F2 · balance_after: The amount of common stock contains awards of restricted stock units (each, an "RSU") granted on January 1, 2022, January 4, 2023, and January 17, 2023, respectively. Each RSU represents a contingent right to receive one share of the Company's common stock, exempt under Rule 16b-3(d)(1) and (3). Each award is subject to service-based vesting conditions. The awards vest, in the aggregate, in the amount of 4,545 shares on January 1, 2025, and 2,507 shares on January 1, 2026. The amount of common stock does 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 achievements of the applicable performance goals. Any such performance-based RSU's will be reported on a Form 4 within two business days of the date of such determination.

SEC source: 0001628280-24-011534 · wk-form4_1710537648.xml · nonDerivative · entry 2

Brooks Jayme L. · CIK 0001447591 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,669

F2 · shares: Reflects the withholding of 10,562 shares by the Company to satisfy tax withholding requirements. Such transaction was exempt from Section 16(b) pursuant to Rule 16b-3.

SEC source: 0001628280-24-011534 · wk-form4_1710537648.xml · nonDerivative · entry 1

Brooks Jayme L. · CIK 0001447591 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 107,231

F1 · shares: Represents 26,864 shares of Limbach Holdings, Inc. (the "Company") common stock issued to the reporting person on March 13, 2024 upon vesting of 20,000 performance-based restricted stock units, based on the achievement of certain pre-established performance goals at above-target levels for the performance period commencing on January 1, 2021 through December 31, 2023. Such transaction was exempt from Section 16(b) pursuant to Rule 16b-3.

SEC source: 0001628280-24-011533 · wk-form4_1710537630.xml · nonDerivative · entry 2

Sharp Jay · CIK 0001965562 · President of Limbach

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,549

F3 · shares: Reflects the withholding of 9,349 shares by the Company to satisfy tax withholding requirements. Such transaction was exempt from Section 16(b) pursuant to Rule 16b-3.

SEC source: 0001628280-24-011533 · wk-form4_1710537630.xml · nonDerivative · entry 1

Sharp Jay · CIK 0001965562 · President of Limbach

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,898

F1 · shares: Represents 21,491 shares of Limbach Holdings, Inc. (the "Company") common stock issued to the reporting person on March 13, 2024 upon vesting of 16,000 performance-based restricted stock units, based on the achievement of certain pre-established performance goals at above-target levels for the performance period commencing on January 1, 2021 through December 31, 2023. Such transaction was exempt from Section 16(b) pursuant to Rule 16b-3.

F2 · balance_after: The amount of common stock contains awards of restricted stock units (each, an "RSU") granted on January 1, 2022, January 4, 2023 and January 17, 2023, respectively. Each RSU represents a contingent right to receive one share of Limbach Holdings, Inc. (the "Company") common stock, exempt under Rule 16b-3(d)(1) and (3). Each award is subject to service-based vesting conditions. The awards vest, in the aggregate, in the amount of 5,495 shares on January 1, 2025 and 3,194 shares on January 1, 2026. The amount of common stock does 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 achievements of the applicable performance goals. Any such performance-based RSU's will be reported on a Form 4 within two business days of the date of such determination.

SEC source: 0001628280-24-000301 · wk-form4_1704324220.xml · derivative · entry 5

ALVARADO LINDA G · CIK 0001122788 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,914

Underlying: Common Stock · 1,914 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.

F4 · derivative.exercise_date: This award of RSUs was granted on 01/01/2024. The RSUs are scheduled to cliff vest on January 1, 2025.

F4 · derivative.expiration_date: This award of RSUs was granted on 01/01/2024. The RSUs are scheduled to cliff vest on January 1, 2025.

SEC source: 0001628280-24-000301 · wk-form4_1704324220.xml · derivative · entry 4

ALVARADO LINDA G · CIK 0001122788 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,906 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 01/04/2023. The RSUs cliff vested on January 1, 2024.

F3 · derivative.expiration_date: This award of RSUs was granted on 01/04/2023. The RSUs cliff vested on January 1, 2024.

SEC source: 0001628280-24-000301 · wk-form4_1704324220.xml · derivative · entry 3

ALVARADO LINDA G · CIK 0001122788 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,906

Underlying: Common Stock · 1,067 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 09/01/2021. The award is subject to service-based vesting conditions and vests 14.92% on January 1, 2022 and 42.54% on each of January 1, 2023 and January 1, 2024, subject to continued service through the applicable vesting date.

F2 · derivative.expiration_date: This award of RSUs was granted on 09/01/2021. The award is subject to service-based vesting conditions and vests 14.92% on January 1, 2022 and 42.54% on each of January 1, 2023 and January 1, 2024, subject to continued service through the applicable vesting date.

SEC source: 0001628280-24-000301 · wk-form4_1704324220.xml · nonDerivative · entry 2

ALVARADO LINDA G · CIK 0001122788 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,389

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.

SEC source: 0001628280-24-000301 · wk-form4_1704324220.xml · nonDerivative · entry 1

ALVARADO LINDA G · CIK 0001122788 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,483

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.

SEC source: 0001628280-24-000313 · wk-form4_1704324447.xml · derivative · entry 11

McCann Michael M · CIK 0001760470 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,930

Underlying: Common Stock · 7,882 shares

Expires not disclosed

F3 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Company's common stock, exempt under Rule 16b-3(d)(1) and (3).

F8 · derivative.exercise_date: This award of RSUs was granted on January 1, 2024. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2025, January 1, 2026 and January 1, 2027, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination.

F8 · derivative.expiration_date: This award of RSUs was granted on January 1, 2024. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2025, January 1, 2026 and January 1, 2027, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination.

SEC source: 0001628280-24-000313 · wk-form4_1704324447.xml · derivative · entry 10

McCann Michael M · CIK 0001760470 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,048

Underlying: Common Stock · 1,080 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.

F3 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Company's common stock, exempt under Rule 16b-3(d)(1) and (3).

F7 · derivative.exercise_date: This award of RSUs was granted on January 17, 2023. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2024, January 1, 2025 and January 1, 2026, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination.

F7 · derivative.expiration_date: This award of RSUs was granted on January 17, 2023. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2024, January 1, 2025 and January 1, 2026, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination.