EXP

SEC source: 0000950170-25-077973 · ownership.xml · nonDerivative · entry 1

Devlin William R · CIK 0001342983 · SVP, Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,276

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: In accordance with the issuer's 2023 Equity Incentive Plan, this price represents the closing price per share of Common Stock on the previous trading day.

SEC source: 0000950170-25-077971 · ownership.xml · derivative · entry 5

Newby Matt · CIK 0001921787 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,193.2168

Underlying: Common Stock · 598 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 represents a contingent right to receive one share of EXP common stock.

F5 · derivative.exercise_date: On May 24, 2024, the reporting person was granted 1,784 restricted stock units. The restricted stock units (and any accrued dividend equivalent RSUs) vest ratably in three installments on the first anniverary of the date of award; on March 31, 2026; and on March 31, 2027.

F5 · derivative.expiration_date: On May 24, 2024, the reporting person was granted 1,784 restricted stock units. The restricted stock units (and any accrued dividend equivalent RSUs) vest ratably in three installments on the first anniverary of the date of award; on March 31, 2026; and on March 31, 2027.

SEC source: 0000950170-25-077971 · ownership.xml · nonDerivative · entry 2

Newby Matt · CIK 0001921787 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,036

F1 · price: In accordance with the issuer's 2023 Equity Incentive Plan, this price represents the closing price per share of Common Stock on the previous trading day.

SEC source: 0000950170-25-077971 · ownership.xml · nonDerivative · entry 1

Newby Matt · CIK 0001921787 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,272

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: In accordance with the issuer's 2023 Equity Incentive Plan, this price represents the closing price per share of Common Stock on the previous trading day.

SEC source: 0000950170-25-077960 · ownership.xml · derivative · entry 4

Thompson Tony · CIK 0001942267 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 631.8228

Underlying: Common Stock · 317 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 represents a contingent right to receive one share of EXP common stock.

F4 · derivative.exercise_date: On May 24, 2024, the reporting person was granted 945 restricted stock units. The restricted stock units (and any accrued dividend equivalent RSUs) vest ratably in three installments on the first anniverary of the date of award; on March 31, 2026; and on March 31, 2027.

F4 · derivative.expiration_date: On May 24, 2024, the reporting person was granted 945 restricted stock units. The restricted stock units (and any accrued dividend equivalent RSUs) vest ratably in three installments on the first anniverary of the date of award; on March 31, 2026; and on March 31, 2027.

SEC source: 0000950170-25-077960 · ownership.xml · nonDerivative · entry 2

Thompson Tony · CIK 0001942267 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,811

F1 · price: In accordance with the issuer's 2023 Equity Incentive Plan, this price represents the closing price per share of Common Stock on the previous trading day.

SEC source: 0000950170-25-077960 · ownership.xml · nonDerivative · entry 1

Thompson Tony · CIK 0001942267 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,936

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: In accordance with the issuer's 2023 Equity Incentive Plan, this price represents the closing price per share of Common Stock on the previous trading day.

SEC source: 0000950170-25-077962 · ownership.xml · derivative · entry 5

Haack Michael · CIK 0001626900 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,935.965

Underlying: Common Stock · 3,969 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 represents a contingent right to receive one share of EXP common stock.

F5 · derivative.exercise_date: On May 24, 2024, the reporting person was granted 11,857 restricted stock units. The restricted stock units (and any accrued dividend equivalent RSUs) vest ratably in three installments on the first anniverary of the date of award; on March 31, 2026; and on March 31, 2027.

F5 · derivative.expiration_date: On May 24, 2024, the reporting person was granted 11,857 restricted stock units. The restricted stock units (and any accrued dividend equivalent RSUs) vest ratably in three installments on the first anniverary of the date of award; on March 31, 2026; and on March 31, 2027.

SEC source: 0000950170-25-077962 · ownership.xml · nonDerivative · entry 2

Haack Michael · CIK 0001626900 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 82,946

F1 · price: In accordance with the issuer's 2023 Equity Incentive Plan, this price represents the closing price per share of Common Stock on the previous trading day.

SEC source: 0000950170-25-077962 · ownership.xml · nonDerivative · entry 1

Haack Michael · CIK 0001626900 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,508

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: In accordance with the issuer's 2023 Equity Incentive Plan, this price represents the closing price per share of Common Stock on the previous trading day.

SEC source: 0000950170-25-076985 · ownership.xml · nonDerivative · entry 1

Rush David E · CIK 0001760672 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,000

F1 · price: This price represents the weighted average purchase price for multiple transactions reported on this line. The prices of the transactions reported on this line range from $213.36 to $213.79. Upon request by the SEC staff, the issuer or a security holder of the issuer, the reporting person will undertake to provide full information regarding the number of shares and prices at which transactions were effected.

SEC source: 0000950170-25-077985 · ownership.xml · derivative · entry 3

Haddock Alex · CIK 0002030822 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,054

Underlying: Common Stock · 1,054 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EXP common stock.

F3 · derivative.exercise_date: The restricted stock units (and any accrued dividend equivalent RSUs) vest ratably in three installments on the first anniversary of the date of award; on March 31, 2027; and on March 31, 2028.

F3 · derivative.expiration_date: The restricted stock units (and any accrued dividend equivalent RSUs) vest ratably in three installments on the first anniversary of the date of award; on March 31, 2027; and on March 31, 2028.

SEC source: 0000950170-25-077982 · ownership.xml · derivative · entry 3

Cribbs Eric · CIK 0001941583 · President (American Gypsum)

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,756

Underlying: Common Stock · 1,756 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EXP common stock.

F3 · derivative.exercise_date: The restricted stock units (and any accrued dividend equivalent RSUs) vest ratably in three installments on the first anniversary of the date of award; on March 31, 2027; and on March 31, 2028.

F3 · derivative.expiration_date: The restricted stock units (and any accrued dividend equivalent RSUs) vest ratably in three installments on the first anniversary of the date of award; on March 31, 2027; and on March 31, 2028.

SEC source: 0000950170-25-077979 · ownership.xml · derivative · entry 5

Kesler Dale Craig · CIK 0001470946 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,925

Underlying: Common Stock · 1,925 shares

Expires 2035-05-22

F4 · derivative.exercise_date: This award will vest ratably on the first anniversary of the date of award; on March 31, 2027; and on March 31, 2028.

SEC source: 0000950170-25-077979 · ownership.xml · derivative · entry 4

Kesler Dale Craig · CIK 0001470946 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,458

Underlying: Common Stock · 2,458 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EXP common stock.

F3 · derivative.exercise_date: The restricted stock units (and any accrued dividend equivalent RSUs) vest ratably in three installments on the first anniversary of the date of award; on March 31, 2027; and on March 31, 2028.

F3 · derivative.expiration_date: The restricted stock units (and any accrued dividend equivalent RSUs) vest ratably in three installments on the first anniversary of the date of award; on March 31, 2027; and on March 31, 2028.

SEC source: 0000950170-25-077973 · ownership.xml · derivative · entry 5

Devlin William R · CIK 0001342983 · SVP, Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 619

Underlying: Common Stock · 619 shares

Expires 2035-05-22

F4 · derivative.exercise_date: This award will vest ratably on the first anniversary of the date of award; on March 31, 2027; and on March 31, 2028.

SEC source: 0000950170-25-077973 · ownership.xml · derivative · entry 4

Devlin William R · CIK 0001342983 · SVP, Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 790

Underlying: Common Stock · 790 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EXP common stock.

F3 · derivative.exercise_date: The restricted stock units (and any accrued dividend equivalent RSUs) vest ratably in three installments on the first anniversary of the date of award; on March 31, 2027; and on March 31, 2028.

F3 · derivative.expiration_date: The restricted stock units (and any accrued dividend equivalent RSUs) vest ratably in three installments on the first anniversary of the date of award; on March 31, 2027; and on March 31, 2028.

SEC source: 0000950170-25-077971 · ownership.xml · derivative · entry 4

Newby Matt · CIK 0001921787 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,306

Underlying: Common Stock · 1,306 shares

Expires 2035-05-22

F4 · derivative.exercise_date: This award will vest ratably on the first anniversary of the date of award; on March 31, 2027; and on March 31, 2028.

SEC source: 0000950170-25-077971 · ownership.xml · derivative · entry 3

Newby Matt · CIK 0001921787 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,668

Underlying: Common Stock · 1,668 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EXP common stock.

F3 · derivative.exercise_date: The restricted stock units (and any accrued dividend equivalent RSUs) vest ratably in three installments on the first anniversary of the date of award; on March 31, 2027; and on March 31, 2028.

F3 · derivative.expiration_date: The restricted stock units (and any accrued dividend equivalent RSUs) vest ratably in three installments on the first anniversary of the date of award; on March 31, 2027; and on March 31, 2028.

SEC source: 0000950170-25-077960 · ownership.xml · derivative · entry 3

Thompson Tony · CIK 0001942267 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,054

Underlying: Common Stock · 1,054 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EXP common stock.

F3 · derivative.exercise_date: The restricted stock units (and any accrued dividend equivalent RSUs) vest ratably in three installments on the first anniversary of the date of award; on March 31, 2027; and on March 31, 2028.

F3 · derivative.expiration_date: The restricted stock units (and any accrued dividend equivalent RSUs) vest ratably in three installments on the first anniversary of the date of award; on March 31, 2027; and on March 31, 2028.

SEC source: 0000950170-25-077962 · ownership.xml · derivative · entry 4

Haack Michael · CIK 0001626900 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,247

Underlying: Common Stock · 8,247 shares

Expires 2035-05-22

F4 · derivative.exercise_date: This award will vest ratably on the first anniversary of the date of award; on March 31, 2027; and on March 31, 2028.

SEC source: 0000950170-25-077962 · ownership.xml · derivative · entry 3

Haack Michael · CIK 0001626900 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,531

Underlying: Common Stock · 10,531 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of EXP common stock.

F3 · derivative.exercise_date: The restricted stock units (and any accrued dividend equivalent RSUs) vest ratably in three installments on the first anniversary of the date of award; on March 31, 2027; and on March 31, 2028.

F3 · derivative.expiration_date: The restricted stock units (and any accrued dividend equivalent RSUs) vest ratably in three installments on the first anniversary of the date of award; on March 31, 2027; and on March 31, 2028.

SEC source: 0000950170-25-074435 · ownership.xml · nonDerivative · entry 2

Kesler Dale Craig · CIK 0001470946 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,670

F1 · price: In accordance with the issuer's 2023 Equity Incentive Plan, this price represents the closing price per share of Common Stock on the previous trading day.

F3 · balance_after: 4,591 shares were withheld by the issuer to satisfy income tax withholding requirements related to the lapsing of restrictions on 11,667 shares of restricted stock awarded to the reporting person on May 18, 2010 (Form 4 filed on 4/25/2011). Because the reporting person's restricted stock holdings have been included in the direct ownership of Common Stock disclosed by the reporting person, the reporting person's direct ownership of Common Stock has been reduced by 4,591 shares to reflect this tax withholding.

SEC source: 0000950170-25-074426 · ownership.xml · nonDerivative · entry 2

Devlin William R · CIK 0001342983 · SVP, Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,959

F1 · price: In accordance with the issuer's 2023 Equity Incentive Plan, this price represents the closing price per share of Common Stock on the previous trading day.

F3 · balance_after: 1,968 shares were withheld by the issuer to satisfy income tax withholding requirements related to the lapsing of restrictions on 5,000 shares of restricted stock awarded to the reporting person on May 18, 2010 (Form 4 filed on 4/25/2011). Because the reporting person's restricted stock holdings have been included in the direct ownership of Common Stock disclosed by the reporting person, the reporting person's direct ownership of Common Stock has been reduced by 1,968 shares to reflect this tax withholding.

SEC source: 0000950170-25-074435 · ownership.xml · nonDerivative · entry 1

Kesler Dale Craig · CIK 0001470946 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,261

F1 · price: In accordance with the issuer's 2023 Equity Incentive Plan, this price represents the closing price per share of Common Stock on the previous trading day.

F2 · balance_after: 461 shares were withheld by the issuer to satisfy income tax withholding requirements related to the lapsing of restrictions on 1,170 shares of restricted stock awarded to the reporting person on May 23, 2023 (Form 4 filed on 5/7/2024). Because the reporting person's restricted stock holdings have been included in the direct ownership of Common Stock disclosed by the reporting person, the reporting person's direct ownership of Common Stock has been reduced by 461 shares to reflect this tax withholding.

SEC source: 0000950170-25-074426 · ownership.xml · nonDerivative · entry 1

Devlin William R · CIK 0001342983 · SVP, Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,927

F1 · price: In accordance with the issuer's 2023 Equity Incentive Plan, this price represents the closing price per share of Common Stock on the previous trading day.

F2 · balance_after: 160 shares were withheld by the issuer to satisfy income tax withholding requirements related to the lapsing of restrictions on 405 shares of restricted stock awarded to the reporting person on May 23, 2023 (Form 4 filed on 5/7/2024). Because the reporting person's restricted stock holdings have been included in the direct ownership of Common Stock disclosed by the reporting person, the reporting person's direct ownership of Common Stock has been reduced by 160 shares to reflect this tax withholding.

SEC source: 0000950170-25-074421 · ownership.xml · nonDerivative · entry 1

Cribbs Eric · CIK 0001941583 · President (American Gypsum)

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,259

F1 · price: In accordance with the issuer's 2023 Equity Incentive Plan, this price represents the closing price per share of Common Stock on the previous trading day.

F2 · balance_after: 178 shares were withheld by the issuer to satisfy income tax withholding requirements related to the lapsing of restrictions on 450 shares of restricted stock awarded to the reporting person on May 23, 2023 (Form 4 filed on 5/12/2025). Because the reporting person's restricted stock holdings have been included in the direct ownership of Common Stock disclosed by the reporting person, the reporting person's direct ownership of Common Stock has been reduced by 178 shares to reflect this tax withholding.

SEC source: 0000950170-25-074413 · ownership.xml · nonDerivative · entry 1

Newby Matt · CIK 0001921787 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,674

F1 · price: In accordance with the issuer's 2023 Equity Incentive Plan, this price represents the closing price per share of Common Stock on the previous trading day.

F2 · balance_after: 266 shares were withheld by the issuer to satisfy income tax withholding requirements related to the lapsing of restrictions on 675 shares of restricted stock awarded to the reporting person on May 23, 2023 (Form 4 filed on 5/12/2025). Because the reporting person's restricted stock holdings have been included in the direct ownership of Common Stock disclosed by the reporting person, the reporting person's direct ownership of Common Stock has been reduced by 266 shares to reflect this tax withholding.

SEC source: 0000950170-25-074417 · ownership.xml · nonDerivative · entry 1

Thompson Tony · CIK 0001942267 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,619

F1 · price: In accordance with the issuer's 2023 Equity Incentive Plan, this price represents the closing price per share of Common Stock on the previous trading day.

F2 · balance_after: 160 shares were withheld by the issuer to satisfy income tax withholding requirements related to the lapsing of restrictions on 405 shares of restricted stock awarded to the reporting person on May 23, 2023 (Form 4 filed on 5/12/2025). Because the reporting person's restricted stock holdings have been included in the direct ownership of Common Stock disclosed by the reporting person, the reporting person's direct ownership of Common Stock has been reduced by 160 shares to reflect this tax withholding.

SEC source: 0000950170-25-074411 · ownership.xml · nonDerivative · entry 1

Haddock Alex · CIK 0002030822 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,186

F1 · price: In accordance with the issuer's 2023 Equity Incentive Plan, this price represents the closing price per share of Common Stock on the previous trading day.

F2 · balance_after: 128 shares were withheld by the issuer to satisfy income tax withholding requirements related to the lapsing of restrictions on 360 shares of restricted stock awarded to the reporting person on May 23, 2023 (Form 4 filed on 5/12/2025). Because the reporting person's restricted stock holdings have been included in the direct ownership of Common Stock disclosed by the reporting person, the reporting person's direct ownership of Common Stock has been reduced by 128 shares to reflect this tax withholding.

SEC source: 0000950170-25-074391 · ownership.xml · nonDerivative · entry 1

Haack Michael · CIK 0001626900 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,539

F1 · price: In accordance with the issuer's 2023 Equity Incentive Plan, this price represents the closing price per share of Common Stock on the previous trading day.

F2 · balance_after: 1,700 shares were withheld by the issuer to satisfy income tax withholding requirements related to the lapsing of restrictions on 4,318 shares of restricted stock awarded to the reporting person on May 23, 2023 (Form 4 filed on 5/12/2025). Because the reporting person's restricted stock holdings have been included in the direct ownership of Common Stock disclosed by the reporting person, the reporting person's direct ownership of Common Stock has been reduced by 1,700 shares to reflect this tax withholding.

SEC source: 0000950170-25-069414 · ownership.xml · nonDerivative · entry 1

Haddock Alex · CIK 0002030822 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,314

F1 · price: On May 23, 2023, the reporting person was granted 360 shares of restricted stock, subject to the achievement by the Company of performance vesting criteria based on the Company's average two-year return on equity measured at the end of fiscal 2025. On May 8, 2025 the performance vesting criteria was determined to have been met such that 360 shares of restricted stock became earned and reportable on such date. The restrictions on the earned shares will lapse on May 15, 2025.

SEC source: 0000950170-25-069409 · ownership.xml · nonDerivative · entry 1

Thompson Tony · CIK 0001942267 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,779

F1 · price: On May 23, 2023, the reporting person was granted 405 shares of restricted stock, subject to the achievement by the Company of performance vesting criteria based on the Company's average two-year return on equity measured at the end of fiscal 2025. On May 8, 2025 the performance vesting criteria was determined to have been met such that 405 shares of restricted stock became earned and reportable on such date. The restrictions on the earned shares will lapse on May 15, 2025.

SEC source: 0000950170-25-069402 · ownership.xml · nonDerivative · entry 1

Newby Matt · CIK 0001921787 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,940

F1 · price: On May 23, 2023, the reporting person was granted 675 shares of restricted stock, subject to the achievement by the Company of performance vesting criteria based on the Company's average two-year return on equity measured at the end of fiscal 2025. On May 8, 2025 the performance vesting criteria was determined to have been met such that 675 shares of restricted stock became earned and reportable on such date. The restrictions on the earned shares will lapse on May 15, 2025.

SEC source: 0000950170-25-069379 · ownership.xml · nonDerivative · entry 1

Haack Michael · CIK 0001626900 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 82,239

F1 · price: On May 23, 2023, the reporting person was granted 4,318 shares of restricted stock, subject to the achievement by the Company of performance vesting criteria based on the Company's average two-year return on equity measured at the end of fiscal 2025. On May 8, 2025 the performance vesting criteria was determined to have been met such that 4,318 shares of restricted stock became earned and reportable on such date. The restrictions on the earned shares will lapse on May 15, 2025.

SEC source: 0000950170-25-069390 · ownership.xml · nonDerivative · entry 1

Kesler Dale Craig · CIK 0001470946 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,722

F1 · price: On May 23, 2023, the reporting person was granted 1,170 shares of restricted stock, subject to the achievement by the Company of performance vesting criteria based on the Company's average two-year return on equity measured at the end of fiscal 2025. On May 8, 2025 the performance vesting criteria was determined to have been met such that 1,170 shares of restricted stock became earned and reportable on such date. The restrictions on the earned shares will lapse on May 15, 2025.

SEC source: 0000950170-25-069364 · ownership.xml · nonDerivative · entry 1

Devlin William R · CIK 0001342983 · SVP, Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,087

F1 · price: On May 23, 2023, the reporting person was granted 405 shares of restricted stock, subject to the achievement by the Company of performance vesting criteria based on the Company's average two-year return on equity measured at the end of fiscal 2025. On May 8, 2025 the performance vesting criteria was determined to have been met such that 405 shares of restricted stock became earned and reportable on such date. The restrictions on the earned shares will lapse on May 15, 2025.

SEC source: 0000950170-25-069371 · ownership.xml · nonDerivative · entry 1

Cribbs Eric · CIK 0001941583 · President (American Gypsum)

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,437

F1 · price: On May 23, 2023, the reporting person was granted 450 shares of restricted stock, subject to the achievement by the Company of performance vesting criteria based on the Company's average two-year return on equity measured at the end of fiscal 2025. On May 8, 2025 the performance vesting criteria was determined to have been met such that 450 shares of restricted stock became earned and reportable on such date. The restrictions on the earned shares will lapse on May 15, 2025.

SEC source: 0000950170-25-054827 · ownership.xml · derivative · entry 1

Cribbs Eric · CIK 0001941583 · President (American Gypsum)

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,369.5178

Underlying: Common Stock · 1.507 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents dividend equivalent Restricted Stock Units (DEUs) accrued in connection with a cash dividend paid by Issuer on its Common Stock. The underlying RSU award to which the DEUs relate was disclosed in a Form 4 filed on May 29, 2024.

F1 · derivative.exercise_date: Represents dividend equivalent Restricted Stock Units (DEUs) accrued in connection with a cash dividend paid by Issuer on its Common Stock. The underlying RSU award to which the DEUs relate was disclosed in a Form 4 filed on May 29, 2024.

F1 · derivative.expiration_date: Represents dividend equivalent Restricted Stock Units (DEUs) accrued in connection with a cash dividend paid by Issuer on its Common Stock. The underlying RSU award to which the DEUs relate was disclosed in a Form 4 filed on May 29, 2024.

SEC source: 0000950170-25-054833 · ownership.xml · derivative · entry 1

NICOLAIS MICHAEL R · CIK 0001140596 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,977.8373

Underlying: Common Stock · 4.4498 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents dividend equivalent Restricted Stock Units (DEUs) accrued in connection with a cash dividend paid by Issuer on its Common Stock. The underlying RSU awards to which the DEUs relate were disclosed in Form 4s filed on July 28, 2004; August 9, 2005; and July 31, 2006.

F1 · derivative.exercise_date: Represents dividend equivalent Restricted Stock Units (DEUs) accrued in connection with a cash dividend paid by Issuer on its Common Stock. The underlying RSU awards to which the DEUs relate were disclosed in Form 4s filed on July 28, 2004; August 9, 2005; and July 31, 2006.

F1 · derivative.expiration_date: Represents dividend equivalent Restricted Stock Units (DEUs) accrued in connection with a cash dividend paid by Issuer on its Common Stock. The underlying RSU awards to which the DEUs relate were disclosed in Form 4s filed on July 28, 2004; August 9, 2005; and July 31, 2006.

SEC source: 0000950170-25-054818 · ownership.xml · derivative · entry 1

Devlin William R · CIK 0001342983 · SVP, Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 948.8228

Underlying: Common Stock · 1.044 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents dividend equivalent Restricted Stock Units (DEUs) accrued in connection with a cash dividend paid by Issuer on its Common Stock. The underlying RSU award to which the DEUs relate was disclosed in a Form 4 filed on May 29, 2024.

F1 · derivative.exercise_date: Represents dividend equivalent Restricted Stock Units (DEUs) accrued in connection with a cash dividend paid by Issuer on its Common Stock. The underlying RSU award to which the DEUs relate was disclosed in a Form 4 filed on May 29, 2024.

F1 · derivative.expiration_date: Represents dividend equivalent Restricted Stock Units (DEUs) accrued in connection with a cash dividend paid by Issuer on its Common Stock. The underlying RSU award to which the DEUs relate was disclosed in a Form 4 filed on May 29, 2024.

SEC source: 0000950170-25-054815 · ownership.xml · derivative · entry 1

Haack Michael · CIK 0001626900 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,904.965

Underlying: Common Stock · 13.0997 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents dividend equivalent Restricted Stock Units (DEUs) accrued in connection with a cash dividend paid by Issuer on its Common Stock. The underlying RSU award to which the DEUs relate was disclosed in a Form 4 filed on May 29, 2024.

F1 · derivative.exercise_date: Represents dividend equivalent Restricted Stock Units (DEUs) accrued in connection with a cash dividend paid by Issuer on its Common Stock. The underlying RSU award to which the DEUs relate was disclosed in a Form 4 filed on May 29, 2024.

F1 · derivative.expiration_date: Represents dividend equivalent Restricted Stock Units (DEUs) accrued in connection with a cash dividend paid by Issuer on its Common Stock. The underlying RSU award to which the DEUs relate was disclosed in a Form 4 filed on May 29, 2024.

SEC source: 0000950170-25-054812 · ownership.xml · derivative · entry 1

Haddock Alex · CIK 0002030822 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 948.8228

Underlying: Common Stock · 1.044 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents dividend equivalent Restricted Stock Units (DEUs) accrued in connection with a cash dividend paid by Issuer on its Common Stock. The underlying RSU award to which the DEUs relate was disclosed in a Form 3 filed on August 7, 2024.

F1 · derivative.exercise_date: Represents dividend equivalent Restricted Stock Units (DEUs) accrued in connection with a cash dividend paid by Issuer on its Common Stock. The underlying RSU award to which the DEUs relate was disclosed in a Form 3 filed on August 7, 2024.

F1 · derivative.expiration_date: Represents dividend equivalent Restricted Stock Units (DEUs) accrued in connection with a cash dividend paid by Issuer on its Common Stock. The underlying RSU award to which the DEUs relate was disclosed in a Form 3 filed on August 7, 2024.

SEC source: 0000950170-25-054808 · ownership.xml · derivative · entry 1

Thompson Tony · CIK 0001942267 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 948.8228

Underlying: Common Stock · 1.044 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents dividend equivalent Restricted Stock Units (DEUs) accrued in connection with a cash dividend paid by Issuer on its Common Stock. The underlying RSU award to which the DEUs relate was disclosed in a Form 4 filed on May 29, 2024.

F1 · derivative.exercise_date: Represents dividend equivalent Restricted Stock Units (DEUs) accrued in connection with a cash dividend paid by Issuer on its Common Stock. The underlying RSU award to which the DEUs relate was disclosed in a Form 4 filed on May 29, 2024.

F1 · derivative.expiration_date: Represents dividend equivalent Restricted Stock Units (DEUs) accrued in connection with a cash dividend paid by Issuer on its Common Stock. The underlying RSU award to which the DEUs relate was disclosed in a Form 4 filed on May 29, 2024.

SEC source: 0000950170-25-054810 · ownership.xml · derivative · entry 1

Kesler Dale Craig · CIK 0001470946 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,844.4603

Underlying: Common Stock · 3.1299 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents dividend equivalent Restricted Stock Units (DEUs) accrued in connection with a cash dividend paid by Issuer on its Common Stock. The underlying RSU award to which the DEUs relate was disclosed in a Form 4 filed on May 29, 2024.

F1 · derivative.exercise_date: Represents dividend equivalent Restricted Stock Units (DEUs) accrued in connection with a cash dividend paid by Issuer on its Common Stock. The underlying RSU award to which the DEUs relate was disclosed in a Form 4 filed on May 29, 2024.

F1 · derivative.expiration_date: Represents dividend equivalent Restricted Stock Units (DEUs) accrued in connection with a cash dividend paid by Issuer on its Common Stock. The underlying RSU award to which the DEUs relate was disclosed in a Form 4 filed on May 29, 2024.

SEC source: 0000950170-25-054805 · ownership.xml · derivative · entry 1

Newby Matt · CIK 0001921787 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,791.2168

Underlying: Common Stock · 1.971 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents dividend equivalent Restricted Stock Units (DEUs) accrued in connection with a cash dividend paid by Issuer on its Common Stock. The underlying RSU award to which the DEUs relate was disclosed in a Form 4 filed on May 29, 2024.

F1 · derivative.exercise_date: Represents dividend equivalent Restricted Stock Units (DEUs) accrued in connection with a cash dividend paid by Issuer on its Common Stock. The underlying RSU award to which the DEUs relate was disclosed in a Form 4 filed on May 29, 2024.

F1 · derivative.expiration_date: Represents dividend equivalent Restricted Stock Units (DEUs) accrued in connection with a cash dividend paid by Issuer on its Common Stock. The underlying RSU award to which the DEUs relate was disclosed in a Form 4 filed on May 29, 2024.

SEC source: 0000950170-25-049502 · ownership.xml · nonDerivative · entry 1

Haack Michael · CIK 0001626900 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,921

F1 · price: In accordance with the issuer's 2023 Equity Incentive Plan, this price represents the closing price per share of Common Stock on the previous trading day.

F2 · balance_after: 7,890 shares were withheld by the issuer to satisfy income tax withholding requirements related to the lapsing of restrictions on (a) 4,798 shares of restricted stock awarded to the reporting person on 5/23/23 (Form 4 filed 5/25/23); (b) 7,353 shares of restricted stock awarded to the reporting person on 5/19/22 (Form 4s filed 5/23/22 and 5/10/23); and (c) 7,899 shares of restricted stock awarded to the reporting person on 5/19/21 (Form 4s filed 5/21/21 and 5/10/22). Because the reporting person's restricted holdings have been included in the direct ownership of Common Stock disclosed by the reporting person, the reporting person's direct ownership of Common Stock has been reduced by 7,890 shares to reflect this tax withholding.

SEC source: 0000950170-25-049497 · ownership.xml · nonDerivative · entry 1

Kesler Dale Craig · CIK 0001470946 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,552

F1 · price: In accordance with the issuer's 2023 Equity Incentive Plan, this price represents the closing price per share of Common Stock on the previous trading day.

F2 · balance_after: 1,936 shares were withheld by the issuer to satisfy income tax withholding requirements related to the lapsing of restrictions on (a) 1,300 shares of restricted stock awarded to the reporting person on 5/23/23 (Form 4 filed 5/25/23); (b) 1,634 shares of restricted stock awarded to the reporting person on 5/19/22 (Form 4s filed 5/23/22 and 5/10/23); and (c) 1,974 shares of restricted stock awarded to the reporting person on 5/19/21 (Form 4s filed 5/21/21 and 5/10/22). Because the reporting person's restricted holdings have been included in the direct ownership of Common Stock disclosed by the reporting person, the reporting person's direct ownership of Common Stock has been reduced by 1,936 shares to reflect this tax withholding.

SEC source: 0000950170-25-049485 · ownership.xml · nonDerivative · entry 1

Cribbs Eric · CIK 0001941583 · President (American Gypsum)

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,987

F1 · price: In accordance with the issuer's 2023 Equity Incentive Plan, this price represents the closing price per share of Common Stock on the previous trading day.

F2 · balance_after: 950 shares were withheld by the issuer to satisfy income tax withholding requirements related to the lapsing of restrictions on (a) 500 shares of restricted stock awarded to the reporting person on 5/23/23 (Form 4 filed 5/25/23); (b) 981 shares of restricted stock awarded to the reporting person on 5/19/22 (Form 3 filed 8/15/22 and Form 4 filed 5/10/23); and (c) 888 shares of restricted stock awarded to the reporting person on 5/19/21 (Form 3 filed 8/15/22). Because the reporting person's restricted holdings have been included in the direct ownership of Common Stock disclosed by the reporting person, the reporting person's direct ownership of Common Stock has been reduced by 950 shares to reflect this tax withholding.

SEC source: 0000950170-25-049469 · ownership.xml · nonDerivative · entry 1

Thompson Tony · CIK 0001942267 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,374

F1 · price: In accordance with the issuer's 2023 Equity Incentive Plan, this price represents the closing price per share of Common Stock on the previous trading day.

F2 · balance_after: 838 shares were withheld by the issuer to satisfy income tax withholding requirements related to the lapsing of restrictions on (a) 450 shares of restricted stock awarded to the reporting person on 5/23/23 (Form 4 filed 5/25/23); (b) 735 shares of restricted stock awarded to the reporting person on 5/19/22 (Form 3 filed 8/15/22 and Form 4 filed 5/10/23); and (c) 888 shares of restricted stock awarded to the reporting person on 5/19/21 (Form 3 filed 8/15/22). Because the reporting person's restricted holdings have been included in the direct ownership of Common Stock disclosed by the reporting person, the reporting person's direct ownership of Common Stock has been reduced by 838 shares to reflect this tax withholding.