EXP

SEC source: 0001193125-26-239290 · ownership.xml · nonDerivative · entry 1

Newby Matt · CIK 0001921787 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,867

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: 0001193125-26-239283 · ownership.xml · derivative · entry 6

Kesler Dale Craig · CIK 0001470946 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,644.9832

Underlying: Common Stock · 824 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 22, 2025, the reporting person was granted 2,458 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, 2027; and on March 31, 2028.

F5 · derivative.expiration_date: On May 22, 2025, the reporting person was granted 2,458 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, 2027; and on March 31, 2028.

SEC source: 0001193125-26-239283 · ownership.xml · nonDerivative · entry 2

Kesler Dale Craig · CIK 0001470946 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,578

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: 0001193125-26-239283 · ownership.xml · nonDerivative · entry 1

Kesler Dale Craig · CIK 0001470946 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,903

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: 0001193125-26-239274 · ownership.xml · derivative · entry 5

Haack Michael · CIK 0001626900 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,051.056

Underlying: Common Stock · 3,527 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 22, 2025, the reporting person was granted 10,531 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, 2027; and on March 31, 2028.

F5 · derivative.expiration_date: On May 22, 2025, the reporting person was granted 10,531 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, 2027; and on March 31, 2028.

SEC source: 0001193125-26-239274 · ownership.xml · nonDerivative · entry 2

Haack Michael · CIK 0001626900 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,955

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: 0001193125-26-239274 · ownership.xml · nonDerivative · entry 1

Haack Michael · CIK 0001626900 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,343

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: 0001193125-26-239267 · ownership.xml · derivative · entry 4

Haddock Alex · CIK 0002030822 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 704.7097

Underlying: Common Stock · 354 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 22, 2025, the reporting person was granted 1,054 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, 2027; and on March 31, 2028.

F4 · derivative.expiration_date: On May 22, 2025, the reporting person was granted 1,054 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, 2027; and on March 31, 2028.

SEC source: 0001193125-26-239267 · ownership.xml · nonDerivative · entry 2

Haddock Alex · CIK 0002030822 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,837

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: 0001193125-26-239267 · ownership.xml · nonDerivative · entry 1

Haddock Alex · CIK 0002030822 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,977

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: 0001193125-26-239258 · ownership.xml · derivative · entry 4

Devlin William R · CIK 0001342983 · SVP, Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 527.53

Underlying: Common Stock · 266 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.

F3 · derivative.exercise_date: On May 22, 2025, the reporting person was granted 790 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, 2027; and on March 31, 2028.

F3 · derivative.expiration_date: On May 22, 2025, the reporting person was granted 790 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, 2027; and on March 31, 2028.

SEC source: 0001193125-26-239258 · ownership.xml · nonDerivative · entry 2

Devlin William R · CIK 0001342983 · SVP, Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,505

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: 0001193125-26-239258 · ownership.xml · nonDerivative · entry 1

Devlin William R · CIK 0001342983 · SVP, Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,610

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: 0001193125-26-239252 · ownership.xml · derivative · entry 4

Cribbs Eric · CIK 0001941583 · President (American Gypsum)

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,174.8463

Underlying: Common Stock · 589 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 22, 2025, the reporting person was granted 1,756 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, 2027; and on March 31, 2028.

F4 · derivative.expiration_date: On May 22, 2025, the reporting person was granted 1,756 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, 2027; and on March 31, 2028.

SEC source: 0001193125-26-239252 · ownership.xml · nonDerivative · entry 2

Cribbs Eric · CIK 0001941583 · President (American Gypsum)

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,113

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: 0001193125-26-239252 · ownership.xml · nonDerivative · entry 1

Cribbs Eric · CIK 0001941583 · President (American Gypsum)

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,345

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: 0001193125-26-239300 · ownership.xml · derivative · entry 3

Thompson Tony · CIK 0001942267 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,256

Underlying: Common Stock · 1,256 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, 2028; and on March 31, 2029.

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, 2028; and on March 31, 2029.

SEC source: 0001193125-26-239290 · ownership.xml · derivative · entry 4

Newby Matt · CIK 0001921787 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,119

Underlying: Common Stock · 3,119 shares

Expires 2036-05-21

F4 · derivative.exercise_date: This award will vest ratably on the first anniversary of the date of award; on March 31, 2028; and on March 31, 2029.

SEC source: 0001193125-26-239290 · ownership.xml · derivative · entry 3

Newby Matt · CIK 0001921787 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,193

Underlying: Common Stock · 1,193 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, 2028; and on March 31, 2029.

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, 2028; and on March 31, 2029.

SEC source: 0001193125-26-239283 · ownership.xml · derivative · entry 5

Kesler Dale Craig · CIK 0001470946 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,596

Underlying: Common Stock · 4,596 shares

Expires 2036-05-21

F4 · derivative.exercise_date: This award will vest ratably on the first anniversary of the date of award; on March 31, 2028; and on March 31, 2029.

SEC source: 0001193125-26-239283 · ownership.xml · derivative · entry 4

Kesler Dale Craig · CIK 0001470946 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,758

Underlying: Common Stock · 1,758 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, 2028; and on March 31, 2029.

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, 2028; and on March 31, 2029.

SEC source: 0001193125-26-239274 · ownership.xml · derivative · entry 4

Haack Michael · CIK 0001626900 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,697

Underlying: Common Stock · 19,697 shares

Expires 2036-05-21

F4 · derivative.exercise_date: This award will vest ratably on the first anniversary of the date of award; on March 31, 2028; and on March 31, 2029.

SEC source: 0001193125-26-239274 · ownership.xml · derivative · entry 3

Haack Michael · CIK 0001626900 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,533

Underlying: Common Stock · 7,533 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, 2028; and on March 31, 2029.

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, 2028; and on March 31, 2029.

SEC source: 0001193125-26-239267 · ownership.xml · derivative · entry 3

Haddock Alex · CIK 0002030822 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,130

Underlying: Common Stock · 1,130 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, 2028; and on March 31, 2029.

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, 2028; and on March 31, 2029.

SEC source: 0001193125-26-239252 · ownership.xml · derivative · entry 3

Cribbs Eric · CIK 0001941583 · President (American Gypsum)

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,009

Underlying: Common Stock · 2,009 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, 2028; and on March 31, 2029.

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, 2028; and on March 31, 2029.

SEC source: 0001193125-26-232675 · ownership.xml · nonDerivative · entry 1

Thompson Tony · CIK 0001942267 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,002

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: 319 shares were withheld by the issuer to satisfy income tax withholding requirements related to the lapsing of restrictions on 810 shares of restricted stock awarded to the reporting person on May 23, 2023 (Form 4 filed on 5/13/2026). 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 319 shares to reflect this tax withholding.

SEC source: 0001193125-26-232671 · ownership.xml · nonDerivative · entry 1

Newby Matt · CIK 0001921787 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,308

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: 532 shares were withheld by the issuer to satisfy income tax withholding requirements related to the lapsing of restrictions on 1,350 shares of restricted stock awarded to the reporting person on May 23, 2023 (Form 4 filed on 5/13/2026). 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 532 shares to reflect this tax withholding.

SEC source: 0001193125-26-232664 · ownership.xml · nonDerivative · entry 1

Kesler Dale Craig · CIK 0001470946 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,079

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: 921 shares were withheld by the issuer to satisfy income tax withholding requirements related to the lapsing of restrictions on 2,339 shares of restricted stock awarded to the reporting person on May 23, 2023 (Form 4 filed on 5/13/2026). 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 921 shares to reflect this tax withholding.

SEC source: 0001193125-26-232661 · ownership.xml · nonDerivative · entry 1

Haddock Alex · CIK 0002030822 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,623

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: 284 shares were withheld by the issuer to satisfy income tax withholding requirements related to the lapsing of restrictions on 720 shares of restricted stock awarded to the reporting person on May 23, 2023 (Form 4 filed on 5/13/2026). 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 284 shares to reflect this tax withholding.

SEC source: 0001193125-26-232659 · ownership.xml · nonDerivative · entry 1

Haack Michael · CIK 0001626900 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 85,816

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: 3,399 shares were withheld by the issuer to satisfy income tax withholding requirements related to the lapsing of restrictions on 8,636 shares of restricted stock awarded to the reporting person on May 23, 2023 (Form 4 filed on 5/13/2026). 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 3,399 shares to reflect this tax withholding.

SEC source: 0001193125-26-232654 · ownership.xml · nonDerivative · entry 1

Devlin William R · CIK 0001342983 · SVP, Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,344

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: 319 shares were withheld by the issuer to satisfy income tax withholding requirements related to the lapsing of restrictions on 810 shares of restricted stock awarded to the reporting person on May 23, 2023 (Form 4 filed on 5/13/2026). 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 319 shares to reflect this tax withholding.

SEC source: 0001193125-26-232648 · ownership.xml · nonDerivative · entry 1

Cribbs Eric · CIK 0001941583 · President (American Gypsum)

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,756

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: 355 shares were withheld by the issuer to satisfy income tax withholding requirements related to the lapsing of restrictions on 900 shares of restricted stock awarded to the reporting person on May 23, 2023 (Form 4 filed on 5/13/2026). 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 355 shares to reflect this tax withholding.

SEC source: 0001193125-26-221682 · ownership.xml · nonDerivative · entry 1

Thompson Tony · CIK 0001942267 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,321

F1 · price: On May 23, 2023, the reporting person was granted 810 shares of restricted stock, subject to the achievement by the Company of performance vesting criteria based on the Company's average three-year return on equity measured at the end of fiscal 2026. On May 11, 2026 the performance vesting criteria was determined to have been met such that 810 shares of restricted stock became earned and reportable on such date. The restrictions on the earned shares will lapse on May 18, 2026.

SEC source: 0001193125-26-221668 · ownership.xml · nonDerivative · entry 1

Newby Matt · CIK 0001921787 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,840

F1 · price: On May 23, 2023, the reporting person was granted 1,350 shares of restricted stock, subject to the achievement by the Company of performance vesting criteria based on the Company's average three-year return on equity measured at the end of fiscal 2026. On May 11, 2026 the performance vesting criteria was determined to have been met such that 1,350 shares of restricted stock became earned and reportable on such date. The restrictions on the earned shares will lapse on May 18, 2026.

SEC source: 0001193125-26-221654 · ownership.xml · nonDerivative · entry 1

Kesler Dale Craig · CIK 0001470946 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,000

F1 · price: On May 23, 2023, the reporting person was granted 2,339 shares of restricted stock, subject to the achievement by the Company of performance vesting criteria based on the Company's average three-year return on equity measured at the end of fiscal 2026. On May 11, 2026 the performance vesting criteria was determined to have been met such that 2,339 shares of restricted stock became earned and reportable on such date. The restrictions on the earned shares will lapse on May 18, 2026.

SEC source: 0001193125-26-221646 · ownership.xml · nonDerivative · entry 1

Haddock Alex · CIK 0002030822 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,907

F1 · price: On May 23, 2023, the reporting person was granted 720 shares of restricted stock, subject to the achievement by the Company of performance vesting criteria based on the Company's average three-year return on equity measured at the end of fiscal 2026. On May 11, 2026 the performance vesting criteria was determined to have been met such that 720 shares of restricted stock became earned and reportable on such date. The restrictions on the earned shares will lapse on May 18, 2026.

SEC source: 0001193125-26-221637 · ownership.xml · nonDerivative · entry 1

Haack Michael · CIK 0001626900 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,215

F1 · price: On May 23, 2023, the reporting person was granted 8,636 shares of restricted stock, subject to the achievement by the Company of performance vesting criteria based on the Company's average three-year return on equity measured at the end of fiscal 2026. On May 11, 2026 the performance vesting criteria was determined to have been met such that 8,636 shares of restricted stock became earned and reportable on such date. The restrictions on the earned shares will lapse on May 18, 2026.

SEC source: 0001193125-26-221631 · ownership.xml · nonDerivative · entry 1

Devlin William R · CIK 0001342983 · SVP, Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,663

F1 · price: On May 23, 2023, the reporting person was granted 810 shares of restricted stock, subject to the achievement by the Company of performance vesting criteria based on the Company's average three-year return on equity measured at the end of fiscal 2026. On May 11, 2026 the performance vesting criteria was determined to have been met such that 810 shares of restricted stock became earned and reportable on such date. The restrictions on the earned shares will lapse on May 18, 2026.

SEC source: 0001193125-26-221627 · ownership.xml · nonDerivative · entry 1

Cribbs Eric · CIK 0001941583 · President (American Gypsum)

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,111

F1 · price: On May 23, 2023, the reporting person was granted 900 shares of restricted stock, subject to the achievement by the Company of performance vesting criteria based on the Company's average three-year return on equity measured at the end of fiscal 2026. On May 11, 2026 the performance vesting criteria was determined to have been met such that 900 shares of restricted stock became earned and reportable on such date. The restrictions on the earned shares will lapse on May 18, 2026.

SEC source: 0001193125-26-157081 · ownership.xml · derivative · entry 2

Thompson Tony · CIK 0001942267 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,058.7097

Underlying: Common Stock · 1.3098 shares

Expires not disclosed

F2 · 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 27, 2025.

F2 · 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 27, 2025.

F2 · 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 27, 2025.

SEC source: 0001193125-26-157081 · ownership.xml · derivative · entry 1

Thompson Tony · CIK 0001942267 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 317.2533

Underlying: Common Stock · 0.3925 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: 0001193125-26-157076 · ownership.xml · derivative · entry 1

NICOLAIS MICHAEL R · CIK 0001140596 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,995.6939

Underlying: Common Stock · 5.033 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: 0001193125-26-157071 · ownership.xml · derivative · entry 2

Newby Matt · CIK 0001921787 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,675.4533

Underlying: Common Stock · 2.0728 shares

Expires not disclosed

F2 · 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 27, 2025.

F2 · 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 27, 2025.

F2 · 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 27, 2025.

SEC source: 0001193125-26-157071 · ownership.xml · derivative · entry 1

Newby Matt · CIK 0001921787 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 597.8053

Underlying: Common Stock · 0.7396 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: 0001193125-26-157064 · ownership.xml · derivative · entry 2

Kesler Dale Craig · CIK 0001470946 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,468.9832

Underlying: Common Stock · 3.0545 shares

Expires not disclosed

F2 · 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 27, 2025.

F2 · 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 27, 2025.

F2 · 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 27, 2025.

SEC source: 0001193125-26-157064 · ownership.xml · derivative · entry 1

Kesler Dale Craig · CIK 0001470946 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 951.7519

Underlying: Common Stock · 1.1774 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: 0001193125-26-157055 · ownership.xml · derivative · entry 2

Haddock Alex · CIK 0002030822 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,058.7097

Underlying: Common Stock · 1.3098 shares

Expires not disclosed

F2 · 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 27, 2025.

F2 · 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 27, 2025.

F2 · 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 27, 2025.

SEC source: 0001193125-26-157055 · ownership.xml · derivative · entry 1

Haddock Alex · CIK 0002030822 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 317.2533

Underlying: Common Stock · 0.3925 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: 0001193125-26-157048 · ownership.xml · derivative · entry 2

Haack Michael · CIK 0001626900 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,578.056

Underlying: Common Stock · 13.0865 shares

Expires not disclosed

F2 · 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 27, 2025.

F2 · 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 27, 2025.

F2 · 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 27, 2025.

SEC source: 0001193125-26-157048 · ownership.xml · derivative · entry 1

Haack Michael · CIK 0001626900 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,985.4943

Underlying: Common Stock · 4.9306 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.