BOOM

SEC source: 0000034067-25-000073 · wk-form4_1742334885.xml · nonDerivative · entry 1

SHEPSTON MICHELLE H · CIK 0001683699 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,461

F1 · shares: Represents withholding of shares to satisfy tax obligations upon the vesting of the underlying award.

SEC source: 0000034067-25-000071 · wk-form4_1742334791.xml · nonDerivative · entry 1

Walter Eric V. · CIK 0001967156 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 111,630

F1 · shares: Represents withholding of shares to satisfy tax obligations upon the vesting of the underlying award.

SEC source: 0000034067-25-000067 · wk-form4_1741724995.xml · nonDerivative · entry 1

Seger Brett A. · CIK 0001967191 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,057

F1 · shares: Represents withholding of shares to satisfy tax obligations upon the vesting of the underlying award.

SEC source: 0000034067-25-000063 · wk-form4_1741127474.xml · derivative · entry 4

Schladen James · CIK 0001902955 · President of Arcadia

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,429 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.

F2 · derivative.exercise_price: Each Performance Share Unit ("PSU") represents the contingent right to receive one share of the Issuer's common stock based on certain vesting conditions.

F3 · derivative.exercise_date: On March 2, 2022, 20,303 PSUs were granted and the vesting and award of Issuer's common stock was contingent upon achievement of specified performance targets over the three year period from 2022 through 2024, with potential to earn a number of shares of common stock between 0% and 200% of the number of target PSUs awarded. The Issuer determined that 2,429 PSUs vested based on performance conditions.

F3 · derivative.expiration_date: On March 2, 2022, 20,303 PSUs were granted and the vesting and award of Issuer's common stock was contingent upon achievement of specified performance targets over the three year period from 2022 through 2024, with potential to earn a number of shares of common stock between 0% and 200% of the number of target PSUs awarded. The Issuer determined that 2,429 PSUs vested based on performance conditions.

SEC source: 0000034067-25-000063 · wk-form4_1741127474.xml · nonDerivative · entry 2

Schladen James · CIK 0001902955 · President of Arcadia

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,797

F1 · shares: Represents withholding of shares to satisfy tax obligations upon the vesting of the underlying award.

SEC source: 0000034067-25-000063 · wk-form4_1741127474.xml · nonDerivative · entry 1

Schladen James · CIK 0001902955 · President of Arcadia

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,795

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: 0000034067-25-000060 · wk-form4_1741127066.xml · derivative · entry 8

SHEPSTON MICHELLE H · CIK 0001683699 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,230 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 Performance Share Unit ("PSU") represents the contingent right to receive one share of the Issuer's common stock based on certain vesting conditions.

F4 · derivative.exercise_date: On March 2, 2022, 6,460 PSUs were granted and the vesting and award of Issuer's common stock was contingent upon achievement of specified performance targets over the three year period from 2022 through 2024, with potential to earn a number of shares of common stock between 0% and 200% of the number of target PSUs awarded. The Issuer determined that 3,230 PSUs vested based on performance conditions.

F4 · derivative.expiration_date: On March 2, 2022, 6,460 PSUs were granted and the vesting and award of Issuer's common stock was contingent upon achievement of specified performance targets over the three year period from 2022 through 2024, with potential to earn a number of shares of common stock between 0% and 200% of the number of target PSUs awarded. The Issuer determined that 3,230 PSUs vested based on performance conditions.

SEC source: 0000034067-25-000060 · wk-form4_1741127066.xml · nonDerivative · entry 6

SHEPSTON MICHELLE H · CIK 0001683699 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,666

F1 · shares: Represents withholding of shares to satisfy tax obligations upon the vesting of the underlying award.

SEC source: 0000034067-25-000060 · wk-form4_1741127066.xml · nonDerivative · entry 5

SHEPSTON MICHELLE H · CIK 0001683699 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,730

F1 · shares: Represents withholding of shares to satisfy tax obligations upon the vesting of the underlying award.

SEC source: 0000034067-25-000060 · wk-form4_1741127066.xml · nonDerivative · entry 4

SHEPSTON MICHELLE H · CIK 0001683699 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 93,327

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: 0000034067-25-000058 · wk-form4_1741126896.xml · derivative · entry 4

Nobili Antoine · CIK 0001820032 · President of NobelClad

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 922 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 Performance Share Unit ("PSU") represents the contingent right to receive one share of the Issuer's common stock based on certain vesting conditions.

F4 · derivative.exercise_date: On March 2, 2022, 1,846 PSUs were granted and the vesting and award of Issuer's common stock was contingent upon achievement of specified performance targets over the three year period from 2022 through 2024, with potential to earn a number of shares of common stock between 0% and 200% of the number of target PSUs awarded. The Issuer determined that 922 PSUs vested based on performance conditions.

F4 · derivative.expiration_date: On March 2, 2022, 1,846 PSUs were granted and the vesting and award of Issuer's common stock was contingent upon achievement of specified performance targets over the three year period from 2022 through 2024, with potential to earn a number of shares of common stock between 0% and 200% of the number of target PSUs awarded. The Issuer determined that 922 PSUs vested based on performance conditions.

SEC source: 0000034067-25-000058 · wk-form4_1741126896.xml · derivative · entry 3

Nobili Antoine · CIK 0001820032 · President of NobelClad

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 615 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 the right to receive one share of the common stock of the Issuer.

F2 · derivative.exercise_date: On March 2, 2022, 1,846 RSUs were granted to the reporting person, and 1,231 of these RSUs vested on March 2, 2024 and 615 RSUs vested on March 2, 2025.

F2 · derivative.expiration_date: On March 2, 2022, 1,846 RSUs were granted to the reporting person, and 1,231 of these RSUs vested on March 2, 2024 and 615 RSUs vested on March 2, 2025.

SEC source: 0000034067-25-000058 · wk-form4_1741126896.xml · nonDerivative · entry 2

Nobili Antoine · CIK 0001820032 · President of NobelClad

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,159

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: 0000034067-25-000058 · wk-form4_1741126896.xml · nonDerivative · entry 1

Nobili Antoine · CIK 0001820032 · President of NobelClad

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,237

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: 0000034067-25-000054 · wk-form4_1741126426.xml · derivative · entry 9

Grieves Ian · CIK 0001567487 · Pres & Mng Dir, DynaEnergetics

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,230 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.

F5 · derivative.exercise_price: Each Performance Share Unit ("PSU") represents the contingent right to receive one share of the Issuer's common stock based on certain vesting conditions.

F6 · derivative.exercise_date: On March 2, 2022, 6,460 PSUs were granted and the vesting and award of Issuer's common stock was contingent upon achievement of specified performance targets over the three year period from 2022 through 2024, with potential to earn a number of shares of common stock between 0% and 200% of the number of target PSUs awarded. The Issuer determined that 3,230 PSUs vested based on performance conditions.

F6 · derivative.expiration_date: On March 2, 2022, 6,460 PSUs were granted and the vesting and award of Issuer's common stock was contingent upon achievement of specified performance targets over the three year period from 2022 through 2024, with potential to earn a number of shares of common stock between 0% and 200% of the number of target PSUs awarded. The Issuer determined that 3,230 PSUs vested based on performance conditions.

SEC source: 0000034067-25-000054 · wk-form4_1741126426.xml · derivative · entry 8

Grieves Ian · CIK 0001567487 · Pres & Mng Dir, DynaEnergetics

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,153 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.

F2 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents the right to receive one share of the common stock of the Issuer.

F4 · derivative.exercise_date: On March 2, 2022, 6,460 Restricted Stock Units ("RSUs") were granted to the reporting person and 2,154 RSUs vested on March 2, 2023, 2,153 RSUs vested on March 2, 2024, and the remaining 2,153 vested on March 2, 2025.

F4 · derivative.expiration_date: On March 2, 2022, 6,460 Restricted Stock Units ("RSUs") were granted to the reporting person and 2,154 RSUs vested on March 2, 2023, 2,153 RSUs vested on March 2, 2024, and the remaining 2,153 vested on March 2, 2025.

SEC source: 0000034067-25-000054 · wk-form4_1741126426.xml · nonDerivative · entry 6

Grieves Ian · CIK 0001567487 · Pres & Mng Dir, DynaEnergetics

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,666

F1 · shares: Represents withholding of shares to satisfy tax obligations upon the vesting of the underlying award.

SEC source: 0000034067-25-000054 · wk-form4_1741126426.xml · nonDerivative · entry 5

Grieves Ian · CIK 0001567487 · Pres & Mng Dir, DynaEnergetics

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,200

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: 0000034067-25-000054 · wk-form4_1741126426.xml · nonDerivative · entry 4

Grieves Ian · CIK 0001567487 · Pres & Mng Dir, DynaEnergetics

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,970

F1 · shares: Represents withholding of shares to satisfy tax obligations upon the vesting of the underlying award.

SEC source: 0000034067-25-000054 · wk-form4_1741126426.xml · nonDerivative · entry 3

Grieves Ian · CIK 0001567487 · Pres & Mng Dir, DynaEnergetics

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,993

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: 0000034067-25-000060 · wk-form4_1741127066.xml · derivative · entry 9

SHEPSTON MICHELLE H · CIK 0001683699 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,188

Underlying: Common Stock · 319 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.

F5 · derivative.exercise_price: Each vested share of Deferred Stock represents the right to receive one share of the Issuer's common stock.

F6 · derivative.exercise_date: 3,443 shares of Deferred Stock were granted on February 26, 2020 and vested in equal amounts over 3 years on the grant date anniversary

F7 · derivative.expiration_date: The Deferred Stock was delivered to the reporting person based on the in-service distribution election beginning on March 1, 2023. The reporting person elected to distribute thirty percent of the deferred stock in three annual installments beginning March 1, 2023. The remaining seventy percent will be distributed upon separation from service.

SEC source: 0000034067-25-000060 · wk-form4_1741127066.xml · nonDerivative · entry 3

SHEPSTON MICHELLE H · CIK 0001683699 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,097

F2 · shares: Represents withholding of shares to satisfy tax obligations upon delivery of issuer stock that was previously deferred.

SEC source: 0000034067-25-000060 · wk-form4_1741127066.xml · nonDerivative · entry 2

SHEPSTON MICHELLE H · CIK 0001683699 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,230

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: 0000034067-25-000060 · wk-form4_1741127066.xml · nonDerivative · entry 1

SHEPSTON MICHELLE H · CIK 0001683699 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,911

F1 · shares: Represents withholding of shares to satisfy tax obligations upon the vesting of the underlying award.

SEC source: 0000034067-25-000056 · wk-form4_1741126646.xml · nonDerivative · entry 1

Walter Eric V. · CIK 0001967156 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 113,903

F1 · shares: Represents withholding of shares to satisfy tax obligations upon the vesting of the underlying award.

SEC source: 0000034067-25-000054 · wk-form4_1741126426.xml · derivative · entry 7

Grieves Ian · CIK 0001567487 · Pres & Mng Dir, DynaEnergetics

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,928

Underlying: Common Stock · 4,464 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.

F2 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents the right to receive one share of the common stock of the Issuer.

F3 · derivative.exercise_date: On February 28, 2024, 13,392 Restricted Stock Units ("RSUs") were granted to the reporting person and 4,464 of these RSUs vested on February 28, 2025. Of the remaining RSUs, 4,464 RSUs will vest on February 28, 2026 and 4,464 RSUs will vest on February 28, 2027.

F3 · derivative.expiration_date: On February 28, 2024, 13,392 Restricted Stock Units ("RSUs") were granted to the reporting person and 4,464 of these RSUs vested on February 28, 2025. Of the remaining RSUs, 4,464 RSUs will vest on February 28, 2026 and 4,464 RSUs will vest on February 28, 2027.

SEC source: 0000034067-25-000054 · wk-form4_1741126426.xml · nonDerivative · entry 2

Grieves Ian · CIK 0001567487 · Pres & Mng Dir, DynaEnergetics

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,840

F1 · shares: Represents withholding of shares to satisfy tax obligations upon the vesting of the underlying award.

SEC source: 0000034067-25-000054 · wk-form4_1741126426.xml · nonDerivative · entry 1

Grieves Ian · CIK 0001567487 · Pres & Mng Dir, DynaEnergetics

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,960

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: 0000034067-25-000050 · wk-form4_1740695460.xml · derivative · entry 2

Nobili Antoine · CIK 0001820032 · President of NobelClad

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,769

Underlying: Common Stock · 6,769 shares

Expires not disclosed

F3 · derivative.exercise_price: Each Performance Share Unit ("PSU") represents the contingent right to receive one share of the Issuer's common stock based on certain vesting conditions.

F4 · derivative.exercise_date: The number of PSUs that will vest and the number of shares of Issuer's common stock that will be awarded, if any, is contingent on the Issuer's cumulative Adjusted EBITDA for the NobelClad segment as compared to target Adjusted EBITDA and the Issuer's cumulative Adjusted Free Cash Flow for the NobelClad segment as compared to target Adjusted Free Cash Flow achieved over the three year period from 2025 through 2027, with potential to earn a number of shares of common stock between 0% and 200% of the number of target PSUs awarded. This PSU award will cliff vest, if at all, on the third anniversary of the grant date based on the performance period ending December 31, 2027.

F4 · derivative.expiration_date: The number of PSUs that will vest and the number of shares of Issuer's common stock that will be awarded, if any, is contingent on the Issuer's cumulative Adjusted EBITDA for the NobelClad segment as compared to target Adjusted EBITDA and the Issuer's cumulative Adjusted Free Cash Flow for the NobelClad segment as compared to target Adjusted Free Cash Flow achieved over the three year period from 2025 through 2027, with potential to earn a number of shares of common stock between 0% and 200% of the number of target PSUs awarded. This PSU award will cliff vest, if at all, on the third anniversary of the grant date based on the performance period ending December 31, 2027.

SEC source: 0000034067-25-000050 · wk-form4_1740695460.xml · derivative · entry 1

Nobili Antoine · CIK 0001820032 · President of NobelClad

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,769

Underlying: Common Stock · 6,769 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents the right to receive one share of the common stock of the Issuer.

F2 · derivative.exercise_date: Two-thirds of these RSUs will vest on the second anniversary and one-third of these RSUs will vest on the third anniversary of the grant date.

F2 · derivative.expiration_date: Two-thirds of these RSUs will vest on the second anniversary and one-third of these RSUs will vest on the third anniversary of the grant date.

SEC source: 0000034067-25-000048 · wk-form4_1740695333.xml · derivative · entry 2

Grieves Ian · CIK 0001567487 · Pres & Mng Dir, DynaEnergetics

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,457

Underlying: Common Stock · 25,457 shares

Expires not disclosed

F3 · derivative.exercise_price: Each Performance Share Unit ("PSU") represents the contingent right to receive one share of the Issuer's common stock based on certain vesting conditions.

F4 · derivative.exercise_date: The number of PSUs that will vest and the number of shares of Issuer's common stock that will be awarded, if any, is contingent on the Issuer's cumulative Adjusted EBITDA for the DynaEnergetics segment as compared to target Adjusted EBITDA and the Issuer's cumulative Adjusted Free Cash Flow for the DynaEnergetics segment as compared to target Adjusted Free Cash Flow achieved over the three year period from 2025 through 2027, with potential to earn a number of shares of common stock between 0% and 200% of the number of target PSUs awarded. This PSU award will cliff vest, if at all, on the third anniversary of the grant date based on the performance period ending December 31, 2027.

F4 · derivative.expiration_date: The number of PSUs that will vest and the number of shares of Issuer's common stock that will be awarded, if any, is contingent on the Issuer's cumulative Adjusted EBITDA for the DynaEnergetics segment as compared to target Adjusted EBITDA and the Issuer's cumulative Adjusted Free Cash Flow for the DynaEnergetics segment as compared to target Adjusted Free Cash Flow achieved over the three year period from 2025 through 2027, with potential to earn a number of shares of common stock between 0% and 200% of the number of target PSUs awarded. This PSU award will cliff vest, if at all, on the third anniversary of the grant date based on the performance period ending December 31, 2027.

SEC source: 0000034067-25-000048 · wk-form4_1740695333.xml · derivative · entry 1

Grieves Ian · CIK 0001567487 · Pres & Mng Dir, DynaEnergetics

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,457

Underlying: Common Stock · 25,457 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents the right to receive one share of the common stock of the Issuer.

F2 · derivative.exercise_date: One-third of these RSUs will vest on each of the first, second and third anniversaries of the grant date.

F2 · derivative.expiration_date: One-third of these RSUs will vest on each of the first, second and third anniversaries of the grant date.

SEC source: 0000034067-25-000044 · wk-form4_1740695017.xml · derivative · entry 2

Seger Brett A. · CIK 0001967191 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,554

Underlying: Common Stock · 8,554 shares

Expires not disclosed

F2 · derivative.exercise_price: Each Performance Share Unit ("PSU") represents the contingent right to receive one share of the Issuer's common stock based on certain vesting conditions.

F3 · derivative.exercise_date: The number of PSUs that will vest and the number of shares of Issuer's common stock that will be awarded, if any, is contingent on the Issuer's cumulative Adjusted EBITDA as compared to target Adjusted EBITDA and the Issuer's cumulative Adjusted Free Cash Flow as compared to target Adjusted Free Cash Flow achieved over the three year period from 2025 through 2027, with potential to earn a number of shares of common stock between 0% and 200% of the number of target PSUs awarded. This PSU award will cliff vest, if at all, on the third anniversary of the grant date based on the performance period ending December 31, 2027.

F3 · derivative.expiration_date: The number of PSUs that will vest and the number of shares of Issuer's common stock that will be awarded, if any, is contingent on the Issuer's cumulative Adjusted EBITDA as compared to target Adjusted EBITDA and the Issuer's cumulative Adjusted Free Cash Flow as compared to target Adjusted Free Cash Flow achieved over the three year period from 2025 through 2027, with potential to earn a number of shares of common stock between 0% and 200% of the number of target PSUs awarded. This PSU award will cliff vest, if at all, on the third anniversary of the grant date based on the performance period ending December 31, 2027.

SEC source: 0000034067-25-000044 · wk-form4_1740695017.xml · nonDerivative · entry 1

Seger Brett A. · CIK 0001967191 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,456

F1 · shares: This stock award is subject to the lapse of time-based restrictions. The restrictions will lapse with respect to one-third of the shares in equal amounts on each of the first, second and third anniversaries of the grant date.

SEC source: 0000034067-25-000046 · wk-form4_1740695162.xml · derivative · entry 3

Schladen James · CIK 0001902955 · President of Arcadia

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,346

Underlying: Common Stock · 81,346 shares

Expires not disclosed

F2 · derivative.exercise_price: Each Performance Share Unit ("PSU") represents the contingent right to receive one share of the Issuer's common stock based on certain vesting conditions.

F3 · derivative.exercise_date: The number of PSUs that will vest and the number of shares of Issuer's common stock that will be awarded, if any, is contingent on the Issuer's cumulative Adjusted EBITDA for the Arcadia Products segment as compared to target Adjusted EBITDA achieved over the two year period from 2025 through 2026, with potential to earn a number of shares of common stock between 0% and 200% of the number of target PSUs awarded. This PSU award will cliff vest, if at all, on the second anniversary of the grant date based on the performance period ending December 31, 2026.

F3 · derivative.expiration_date: The number of PSUs that will vest and the number of shares of Issuer's common stock that will be awarded, if any, is contingent on the Issuer's cumulative Adjusted EBITDA for the Arcadia Products segment as compared to target Adjusted EBITDA achieved over the two year period from 2025 through 2026, with potential to earn a number of shares of common stock between 0% and 200% of the number of target PSUs awarded. This PSU award will cliff vest, if at all, on the second anniversary of the grant date based on the performance period ending December 31, 2026.

SEC source: 0000034067-25-000046 · wk-form4_1740695162.xml · nonDerivative · entry 1

Schladen James · CIK 0001902955 · President of Arcadia

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,366

F1 · shares: The award is subject to time-based vesting restrictions. The restrictions will lapse on the second anniversary of the grant date.

SEC source: 0000034067-25-000042 · wk-form4_1740694932.xml · derivative · entry 3

SHEPSTON MICHELLE H · CIK 0001683699 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,006

Underlying: Common Stock · 24,006 shares

Expires not disclosed

F2 · derivative.exercise_price: Each Performance Share Unit ("PSU") represents the contingent right to receive one share of the Issuer's common stock based on certain vesting conditions.

F3 · derivative.exercise_date: The number of PSUs that will vest and the number of shares of Issuer's common stock that will be awarded, if any, is contingent on the Issuer's cumulative Adjusted EBITDA as compared to target Adjusted EBITDA and the Issuer's cumulative Adjusted Free Cash Flow as compared to target Adjusted Free Cash Flow achieved over the three year period from 2025 through 2027, with potential to earn a number of shares of common stock between 0% and 200% of the number of target PSUs awarded. This PSU award will cliff vest, if at all, on the third anniversary of the grant date based on the performance period ending December 31, 2027.

F3 · derivative.expiration_date: The number of PSUs that will vest and the number of shares of Issuer's common stock that will be awarded, if any, is contingent on the Issuer's cumulative Adjusted EBITDA as compared to target Adjusted EBITDA and the Issuer's cumulative Adjusted Free Cash Flow as compared to target Adjusted Free Cash Flow achieved over the three year period from 2025 through 2027, with potential to earn a number of shares of common stock between 0% and 200% of the number of target PSUs awarded. This PSU award will cliff vest, if at all, on the third anniversary of the grant date based on the performance period ending December 31, 2027.

SEC source: 0000034067-25-000042 · wk-form4_1740694932.xml · nonDerivative · entry 1

SHEPSTON MICHELLE H · CIK 0001683699 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,615

F1 · shares: This stock award is subject to the lapse of time-based restrictions. The restrictions will lapse with respect to one-third of the shares in equal amounts on each of the first, second and third anniversaries of the grant date.

SEC source: 0000034067-25-000040 · wk-form4_1740694722.xml · derivative · entry 2

Walter Eric V. · CIK 0001967156 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,852

Underlying: Common Stock · 38,852 shares

Expires not disclosed

F2 · derivative.exercise_price: Each Performance Share Unit ("PSU") represents the contingent right to receive one share of the Issuer's common stock based on certain vesting conditions.

F3 · derivative.exercise_date: The number of PSUs that will vest and the number of shares of Issuer's common stock that will be awarded, if any, is contingent on the Issuer's cumulative Adjusted EBITDA as compared to target Adjusted EBITDA and the Issuer's cumulative Adjusted Free Cash Flow as compared to target Adjusted Free Cash Flow achieved over the three year period from 2025 through 2027, with potential to earn a number of shares of common stock between 0% and 200% of the number of target PSUs awarded. This PSU award will cliff vest, if at all, on the third anniversary of the grant date based on the performance period ending December 31, 2027.

F3 · derivative.expiration_date: The number of PSUs that will vest and the number of shares of Issuer's common stock that will be awarded, if any, is contingent on the Issuer's cumulative Adjusted EBITDA as compared to target Adjusted EBITDA and the Issuer's cumulative Adjusted Free Cash Flow as compared to target Adjusted Free Cash Flow achieved over the three year period from 2025 through 2027, with potential to earn a number of shares of common stock between 0% and 200% of the number of target PSUs awarded. This PSU award will cliff vest, if at all, on the third anniversary of the grant date based on the performance period ending December 31, 2027.

SEC source: 0000034067-25-000040 · wk-form4_1740694722.xml · nonDerivative · entry 1

Walter Eric V. · CIK 0001967156 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 116,746

F1 · shares: This stock award is subject to the lapse of time-based restrictions. The restrictions will lapse with respect to one-third of the shares in equal amounts on each of the first, second and third anniversaries of the grant date.

SEC source: 0000034067-25-000038 · wk-form4_1740694596.xml · nonDerivative · entry 1

ROSE CLIFTON PETER · CIK 0001690355 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,408

SEC source: 0000034067-25-000034 · wk-form4_1740694381.xml · nonDerivative · entry 1

Kelly Michael Aaron · CIK 0001769668 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,073

SEC source: 0000034067-25-000036 · wk-form4_1740694441.xml · nonDerivative · entry 1

SANANIKONE OUMA · CIK 0001570375 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,256

SEC source: 0000034067-25-000032 · wk-form4_1740694138.xml · nonDerivative · entry 1

Dreessen Ruth · CIK 0001506219 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,766

SEC source: 0000034067-25-000030 · wk-form4_1740694008.xml · nonDerivative · entry 1

Bates Simon · CIK 0001654218 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,772

SEC source: 0000034067-25-000081 · wk-form4a_1743628734.xml · derivative · entry 3

Schladen James · CIK 0001902955 · President of Arcadia

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,346

Underlying: Common Stock · 81,346 shares

Expires not disclosed

F2 · derivative.exercise_price: Each Performance Share Unit ("PSU") represents the contingent right to receive one share of the Issuer's common stock based on certain vesting conditions.

F3 · derivative.exercise_date: The number of PSUs that will vest and the number of shares of Issuer's common stock that will be awarded, if any, is contingent on the Issuer's cumulative Adjusted EBITDA for the Arcadia Products segment as compared to cumulative target Adjusted EBITDA achieved over the two year period from 2025 through 2026, with potential to earn a number of shares of common stock between 0% and 200% of the number of target PSUs awarded. This PSU award will cliff vest, if at all, on February 3, 2027, based on the performance period ending December 31, 2026.

F3 · derivative.expiration_date: The number of PSUs that will vest and the number of shares of Issuer's common stock that will be awarded, if any, is contingent on the Issuer's cumulative Adjusted EBITDA for the Arcadia Products segment as compared to cumulative target Adjusted EBITDA achieved over the two year period from 2025 through 2026, with potential to earn a number of shares of common stock between 0% and 200% of the number of target PSUs awarded. This PSU award will cliff vest, if at all, on February 3, 2027, based on the performance period ending December 31, 2026.

SEC source: 0000034067-25-000081 · wk-form4a_1743628734.xml · nonDerivative · entry 1

Schladen James · CIK 0001902955 · President of Arcadia

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,366

F1 · shares: The award is subject to time-based vesting restrictions. The restrictions will lapse in equal parts on February 3, 2026 and February 3, 2027.

SEC source: 0000034067-25-000015 · wk-form4_1739221434.xml · nonDerivative · entry 1

Seger Brett A. · CIK 0001967191 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,902

F1 · shares: Represents withholding of shares to satisfy tax obligations upon the vesting of the underlying award.

SEC source: 0000034067-25-000005 · wk-form4_1738011921.xml · nonDerivative · entry 1

Walter Eric V. · CIK 0001967156 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,894

F1 · shares: Represents withholding of shares to satisfy tax obligations upon the vesting of the underlying award.

SEC source: 0001104659-24-119634 · tm2428599-2_4seq1.xml · nonDerivative · entry 1

Walter Eric V. · CIK 0001967156 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,882

F1 · shares: Represents shares of restricted stock that will vest on May 18, 2026.