CVSA

SEC source: 0000730464-26-000057 · form4.xml · nonDerivative · entry 2

Beard, Stephen W. · CIK 0001508595 · Chairman & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 469,158

F1 · security: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2025 in accordance with Covista's Insider Sales and Ownership Policy Addendum.

F2 · kind: Shares sold represent a portion of holdings in excess of Covista's Stock Ownership and Holding Requirements and were executed in pre-scheduled increments under the trading plan.

F3 · shares: No discretionary trades by the reporting person are permitted under Covista policy; all sales must occur pursuant to a pre-established Rule 10b5-1 trading plan absent a hardship exception.

F5 · price: This transaction was executed in multiple trades at prices ranging from $130.01 to $131.37. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0000730464-26-000057 · form4.xml · nonDerivative · entry 1

Beard, Stephen W. · CIK 0001508595 · Chairman & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 473,825

F1 · security: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2025 in accordance with Covista's Insider Sales and Ownership Policy Addendum.

F2 · kind: Shares sold represent a portion of holdings in excess of Covista's Stock Ownership and Holding Requirements and were executed in pre-scheduled increments under the trading plan.

F3 · shares: No discretionary trades by the reporting person are permitted under Covista policy; all sales must occur pursuant to a pre-established Rule 10b5-1 trading plan absent a hardship exception.

F4 · price: This transaction was executed in multiple trades at prices ranging from $130.005 to $131.042. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0000730464-26-000053 · form4.xml · nonDerivative · entry 1

MALAFRONTE MICHAEL W · CIK 0001209162 · Director · Lead Independent Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 110,705

F1 · shares: This reported transaction was a gift from Mr. Malafronte to a 501(c)(3) educational charitable institution.

SEC source: 0000730464-26-000052 · form4.xml · nonDerivative · entry 1

Gangadharan Manjunath · CIK 0001805055 · VP, Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 5,083

F1 · security: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 15, 2025 in accordance with Covista's Insider Sales and Ownership Policy Addendum.

F2 · kind: Shares sold represent a portion of holdings in excess of Covista's Stock Ownership and Holding Requirements and were executed in pre-scheduled increments under the trading plan.

F3 · shares: No discretionary trades by the reporting person are permitted under Covista policy; all sales must occur pursuant to a pre-established Rule 10b5-1 trading plan absent a hardship exception.

SEC source: 0000730464-26-000051 · form4.xml · nonDerivative · entry 5

Betz Michael · CIK 0001928817 · Pres. Walden University & CDO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,172

F3 · shares: Represents the satisfaction of tax withholding obligations upon the vesting of the performance shares awarded.

SEC source: 0000730464-26-000051 · form4.xml · nonDerivative · entry 4

Betz Michael · CIK 0001928817 · Pres. Walden University & CDO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,483

F2 · shares: Common stock issued in payout of performance share units awarded on November 8, 2023.

SEC source: 0000730464-26-000051 · form4.xml · nonDerivative · entry 3

Betz Michael · CIK 0001928817 · Pres. Walden University & CDO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,359

F3 · shares: Represents the satisfaction of tax withholding obligations upon the vesting of the performance shares awarded.

SEC source: 0000730464-26-000051 · form4.xml · nonDerivative · entry 2

Betz Michael · CIK 0001928817 · Pres. Walden University & CDO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,661

F2 · shares: Common stock issued in payout of performance share units awarded on November 8, 2023.

SEC source: 0000730464-26-000051 · form4.xml · nonDerivative · entry 1

Betz Michael · CIK 0001928817 · Pres. Walden University & CDO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,341

F1 · shares: Represents the satisfaction of tax withholding obligations upon the vesting of previously awarded restricted stock units.

SEC source: 0000730464-26-000048 · form4.xml · nonDerivative · entry 5

Phelan Robert J. · CIK 0001802419 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,571

F3 · shares: Represents the satisfaction of tax withholding obligations upon the vesting of the performance shares awarded.

SEC source: 0000730464-26-000048 · form4.xml · nonDerivative · entry 4

Phelan Robert J. · CIK 0001802419 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,037

F2 · shares: Common stock issued in payout of performance share units awarded on November 8, 2023.

SEC source: 0000730464-26-000048 · form4.xml · nonDerivative · entry 3

Phelan Robert J. · CIK 0001802419 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,957

F3 · shares: Represents the satisfaction of tax withholding obligations upon the vesting of the performance shares awarded.

SEC source: 0000730464-26-000048 · form4.xml · nonDerivative · entry 2

Phelan Robert J. · CIK 0001802419 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,083

F2 · shares: Common stock issued in payout of performance share units awarded on November 8, 2023.

SEC source: 0000730464-26-000048 · form4.xml · nonDerivative · entry 1

Phelan Robert J. · CIK 0001802419 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,027

F1 · shares: Represents the satisfaction of tax withholding obligations upon the vesting of previously awarded restricted stock units.

SEC source: 0000730464-26-000047 · form4.xml · nonDerivative · entry 5

Gangadharan Manjunath · CIK 0001805055 · VP, Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,885

F3 · shares: Represents the satisfaction of tax withholding obligations upon the vesting of the performance shares awarded.

SEC source: 0000730464-26-000047 · form4.xml · nonDerivative · entry 4

Gangadharan Manjunath · CIK 0001805055 · VP, Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,325

F3 · shares: Represents the satisfaction of tax withholding obligations upon the vesting of the performance shares awarded.

SEC source: 0000730464-26-000047 · form4.xml · nonDerivative · entry 3

Gangadharan Manjunath · CIK 0001805055 · VP, Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,825

F3 · shares: Represents the satisfaction of tax withholding obligations upon the vesting of the performance shares awarded.

SEC source: 0000730464-26-000047 · form4.xml · nonDerivative · entry 2

Gangadharan Manjunath · CIK 0001805055 · VP, Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,133

F2 · shares: Common stock issued in payout of performance share units awarded on November 8, 2023.

SEC source: 0000730464-26-000047 · form4.xml · nonDerivative · entry 1

Gangadharan Manjunath · CIK 0001805055 · VP, Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,083

F1 · shares: Represents the satisfaction of tax withholding obligations upon the vesting of previously awarded restricted stock units.

SEC source: 0000730464-26-000045 · form4.xml · nonDerivative · entry 5

BECK DOUGLAS G. · CIK 0001646763 · SVP, GC, Corp. Sec & ISS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,394

F3 · shares: Represents the satisfaction of tax withholding obligations upon the vesting of the performance shares awarded.

SEC source: 0000730464-26-000045 · form4.xml · nonDerivative · entry 4

BECK DOUGLAS G. · CIK 0001646763 · SVP, GC, Corp. Sec & ISS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,140

F2 · shares: Common stock issued in payout of performance share units awarded on November 8, 2023.

SEC source: 0000730464-26-000045 · form4.xml · nonDerivative · entry 3

BECK DOUGLAS G. · CIK 0001646763 · SVP, GC, Corp. Sec & ISS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,080

F3 · shares: Represents the satisfaction of tax withholding obligations upon the vesting of the performance shares awarded.

SEC source: 0000730464-26-000045 · form4.xml · nonDerivative · entry 2

BECK DOUGLAS G. · CIK 0001646763 · SVP, GC, Corp. Sec & ISS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,002

F2 · shares: Common stock issued in payout of performance share units awarded on November 8, 2023.

SEC source: 0000730464-26-000045 · form4.xml · nonDerivative · entry 1

BECK DOUGLAS G. · CIK 0001646763 · SVP, GC, Corp. Sec & ISS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,760

F1 · shares: Represents the satisfaction of tax withholding obligations upon the vesting of previously awarded restricted stock units.

SEC source: 0000730464-26-000044 · form4.xml · nonDerivative · entry 5

Beard, Stephen W. · CIK 0001508595 · Chairman & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 477,464

F3 · shares: Represents the satisfaction of tax withholding obligations upon the vesting of the performance shares awarded.

SEC source: 0000730464-26-000044 · form4.xml · nonDerivative · entry 4

Beard, Stephen W. · CIK 0001508595 · Chairman & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 511,097

F2 · shares: Common stock issued in payout of performance share units awarded on November 8, 2023.

SEC source: 0000730464-26-000044 · form4.xml · nonDerivative · entry 3

Beard, Stephen W. · CIK 0001508595 · Chairman & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 435,177

F3 · shares: Represents the satisfaction of tax withholding obligations upon the vesting of the performance shares awarded.

SEC source: 0000730464-26-000044 · form4.xml · nonDerivative · entry 2

Beard, Stephen W. · CIK 0001508595 · Chairman & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 458,720

F2 · shares: Common stock issued in payout of performance share units awarded on November 8, 2023.

SEC source: 0000730464-26-000044 · form4.xml · nonDerivative · entry 1

Beard, Stephen W. · CIK 0001508595 · Chairman & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 405,576

F1 · shares: Represents the satisfaction of tax withholding obligations upon the vesting of previously awarded restricted stock units.

SEC source: 0000730464-26-000040 · form4.xml · nonDerivative · entry 1

Beard, Stephen W. · CIK 0001508595 · Chairman & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 415,197

F1 · security: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2025 in accordance with Covista's Insider Sales and Ownership Policy Addendum.

F2 · kind: Shares sold represent a portion of holdings in excess of Covista's Stock Ownership and Holding Requirements and were executed in pre-scheduled increments under the trading plan.

F3 · shares: No discretionary trades by the reporting person are permitted under Covista policy; all sales must occur pursuant to a pre-established Rule 10b5-1 trading plan absent a hardship exception.

F4 · price: This transaction was executed in multiple trades at prices ranging from $130.005 to $131.343. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0000730464-26-000039 · form4.xml · nonDerivative · entry 1

Phelan Robert J. · CIK 0001802419 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 48,306

F1 · security: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 12, 2025 in accordance with Covista's Insider Sales and Ownership Policy Addendum.

F2 · kind: Shares sold represent a portion of holdings in excess of Covista's Stock Ownership and Holding Requirements and were executed in pre-scheduled increments under the trading plan.

F3 · shares: No discretionary trades by the reporting person are permitted under Covista policy; all sales must occur pursuant to a pre-established Rule 10b5-1 trading plan absent a hardship exception.

F4 · price: This transaction was executed in multiple trades at prices ranging from $135.00 to $136.34. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0000730464-26-000038 · form4.xml · nonDerivative · entry 1

BECK DOUGLAS G. · CIK 0001646763 · SVP, GC, Corp. Sec & ISS

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 28,544

F1 · security: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 11, 2025 in accordance with Covista's Insider Sales and Ownership Policy Addendum.

F2 · kind: Shares sold represent a portion of holdings in excess of Covista's Stock Ownership and Holding Requirements and were executed in pre-scheduled increments under the trading plan.

F3 · shares: No discretionary trades by the reporting person are permitted under Covista policy; all sales must occur pursuant to a pre-established Rule 10b5-1 trading plan absent a hardship exception.

F4 · price: This transaction was executed in multiple trades at prices ranging from $135.00 to $136.785. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0000730464-26-000033 · form4.xml · nonDerivative · entry 1

Manning Amelia · CIK 0002130619 · President, Chamberlain Univ.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,317

F1 · shares: Consists of restricted stock units which convert into a share of common stock on a one-for-one basis. The restricted stock units vest in two equal installments beginning on July 15, 2027.

SEC source: 0000730464-26-000032 · form4.xml · nonDerivative · entry 1

Beard, Stephen W. · CIK 0001508595 · Chairman & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 418,742

F1 · security: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2025 in accordance with Covista's Insider Sales and Ownership Policy Addendum.

F2 · kind: Shares sold represent a portion of holdings in excess of Covista's Stock Ownership and Holding Requirements and were executed in pre-scheduled increments under the trading plan.

F3 · shares: No discretionary trades by the reporting person are permitted under Covista policy; all sales must occur pursuant to a pre-established Rule 10b5-1 trading plan absent a hardship exception.

F4 · price: This transaction was executed in multiple trades at prices ranging from $130.6625 to $134.02. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0000730464-26-000031 · form4.xml · nonDerivative · entry 2

Phelan Robert J. · CIK 0001802419 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 50,492

F1 · security: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 12, 2025 in accordance with Covista's Insider Sales and Ownership Policy Addendum.

F2 · kind: Shares sold represent a portion of holdings in excess of Covista's Stock Ownership and Holding Requirements and were executed in pre-scheduled increments under the trading plan.

F3 · shares: No discretionary trades by the reporting person are permitted under Covista policy; all sales must occur pursuant to a pre-established Rule 10b5-1 trading plan absent a hardship exception.

F5 · price: This transaction was executed in multiple trades at prices ranging from $135.00 to $135.71. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0000730464-26-000030 · form4.xml · nonDerivative · entry 2

BECK DOUGLAS G. · CIK 0001646763 · SVP, GC, Corp. Sec & ISS

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 33,070

F1 · security: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 11, 2025 in accordance with Covista's Insider Sales and Ownership Policy Addendum.

F2 · kind: Shares sold represent a portion of holdings in excess of Covista's Stock Ownership and Holding Requirements and were executed in pre-scheduled increments under the trading plan.

F3 · shares: No discretionary trades by the reporting person are permitted under Covista policy; all sales must occur pursuant to a pre-established Rule 10b5-1 trading plan absent a hardship exception.

F5 · price: This transaction was executed in multiple trades at prices ranging from $135.00 to $135.56. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0000730464-26-000031 · form4.xml · nonDerivative · entry 1

Phelan Robert J. · CIK 0001802419 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 52,906

F1 · security: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 12, 2025 in accordance with Covista's Insider Sales and Ownership Policy Addendum.

F2 · kind: Shares sold represent a portion of holdings in excess of Covista's Stock Ownership and Holding Requirements and were executed in pre-scheduled increments under the trading plan.

F3 · shares: No discretionary trades by the reporting person are permitted under Covista policy; all sales must occur pursuant to a pre-established Rule 10b5-1 trading plan absent a hardship exception.

F4 · price: This transaction was executed in multiple trades at prices ranging from $135.00 to $135.59. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0000730464-26-000030 · form4.xml · nonDerivative · entry 1

BECK DOUGLAS G. · CIK 0001646763 · SVP, GC, Corp. Sec & ISS

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 35,509

F1 · security: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 11, 2025 in accordance with Covista's Insider Sales and Ownership Policy Addendum.

F2 · kind: Shares sold represent a portion of holdings in excess of Covista's Stock Ownership and Holding Requirements and were executed in pre-scheduled increments under the trading plan.

F3 · shares: No discretionary trades by the reporting person are permitted under Covista policy; all sales must occur pursuant to a pre-established Rule 10b5-1 trading plan absent a hardship exception.

F4 · price: This transaction was executed in multiple trades at prices ranging from $135.00 to $135.63. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0000730464-26-000029 · form4.xml · nonDerivative · entry 2

Beard, Stephen W. · CIK 0001508595 · Chairman & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 424,033

F1 · security: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2025 in accordance with Covista's Insider Sales and Ownership Policy Addendum.

F2 · shares: Shares sold represent a portion of holdings in excess of Covista's Stock Ownership and Holding Requirements and were executed in pre-scheduled increments under the trading plan.

F3 · shares: No discretionary trades by the reporting person are permitted under Covista policy; all sales must occur pursuant to a pre-established Rule 10b5-1 trading plan absent a hardship exception.

F5 · price: This transaction was executed in multiple trades at prices ranging from $130.26 to $131.465. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0000730464-26-000029 · form4.xml · nonDerivative · entry 1

Beard, Stephen W. · CIK 0001508595 · Chairman & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 426,562

F1 · security: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2025 in accordance with Covista's Insider Sales and Ownership Policy Addendum.

F2 · shares: Shares sold represent a portion of holdings in excess of Covista's Stock Ownership and Holding Requirements and were executed in pre-scheduled increments under the trading plan.

F3 · shares: No discretionary trades by the reporting person are permitted under Covista policy; all sales must occur pursuant to a pre-established Rule 10b5-1 trading plan absent a hardship exception.

F4 · price: This transaction was executed in multiple trades at prices ranging from $130.02 to $130.39. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0000730464-26-000027 · form4.xml · nonDerivative · entry 1

Gangadharan Manjunath · CIK 0001805055 · VP, Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,271

F1 · shares: Represents the satisfaction of tax withholding obligations upon the vesting of previously awarded restricted stock units.

SEC source: 0000730464-26-000025 · form4.xml · nonDerivative · entry 1

Phelan Robert J. · CIK 0001802419 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 55,806

F1 · security: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 12, 2025 in accordance with Covista's Insider Sales and Ownership Policy Addendum.

F2 · security: Shares sold represent a portion of holdings in excess of Covista's Stock Ownership and Holding Requirements and were executed in pre-scheduled increments under the trading plan.

F3 · security: No discretionary trades by the reporting person are permitted under Covista policy; all sales must occur pursuant to a pre-established Rule 10b5-1 trading plan absent a hardship exception.

F4 · price: This transaction was executed in multiple trades at prices ranging from $125.00 to $128.09. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0000730464-26-000024 · form4.xml · nonDerivative · entry 1

BECK DOUGLAS G. · CIK 0001646763 · SVP, GC, Corp. Sec & ISS

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 38,159

F1 · security: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 11, 2025 in accordance with Covista's Insider Sales and Ownership Policy Addendum.

F2 · security: Shares sold represent a portion of holdings in excess of Covista's Stock Ownership and Holding Requirements and were executed in pre-scheduled increments under the trading plan.

F3 · security: No discretionary trades by the reporting person are permitted under Covista policy; all sales must occur pursuant to a pre-established Rule 10b5-1 trading plan absent a hardship exception.

F4 · price: This transaction was executed in multiple trades at prices ranging from $125.00 to $128.20. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0000730464-26-000023 · form4.xml · nonDerivative · entry 1

Cox Karen Sue · CIK 0001752237 · President, Chamberlain Univ.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,596

F1 · security: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 15, 2025 in accordance with Covista's Insider Sales and Ownership Policy Addendum.

F2 · security: Shares sold represent a portion of holdings in excess of Covista's Stock Ownership and Holding Requirements and were executed in pre-scheduled increments under the trading plan.

F3 · security: No discretionary trades by the reporting person are permitted under Covista policy; all sales must occur pursuant to a pre-established Rule 10b5-1 trading plan absent a hardship exception.

F4 · price: This transaction was executed in multiple trades at prices ranging from $124.00 to $125.00. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0000730464-26-000022 · form4.xml · nonDerivative · entry 1

Beard, Stephen W. · CIK 0001508595 · Chairman & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 429,324

F1 · security: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2025 in accordance with Covista's Insider Sales and Ownership Policy Addendum.

F2 · security: Shares sold represent a portion of holdings in excess of Covista's Stock Ownership and Holding Requirements and were executed in pre-scheduled increments under the trading plan.

F3 · security: No discretionary trades by the reporting person are permitted under Covista policy; all sales must occur pursuant to a pre-established Rule 10b5-1 trading plan absent a hardship exception.

F4 · price: This transaction was executed in multiple trades at prices ranging from $130.00 to $132.67. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0000730464-26-000016 · form4.xml · nonDerivative · entry 1

Liles Scott · CIK 0002016253 · President, Medical and Vet

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,103

F1 · shares: Represents the satisfaction of tax withholding obligations upon the vesting of previously awarded restricted stock units.

SEC source: 0000730464-26-000012 · form4.xml · nonDerivative · entry 3

MALAFRONTE MICHAEL W · CIK 0001209162 · Director · Lead Independent Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Michael W Malafronte 2016 Gift Trust

Disclosed balance after: 25,395

F2 · shares: The reported securities are held by an irrevocable trust of which the reporting person serves as a trustee.

F3 · price: This transaction was executed in multiple trades at prices ranging from $100.58 to $101.00. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0000730464-26-000012 · form4.xml · nonDerivative · entry 2

MALAFRONTE MICHAEL W · CIK 0001209162 · Director · Lead Independent Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Michael W Malafronte 2016 Gift Trust

Disclosed balance after: 16,505

F2 · shares: The reported securities are held by an irrevocable trust of which the reporting person serves as a trustee.

F1 · price: This transaction was executed in multiple trades at prices ranging from $99.51 to $102.73. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0000730464-26-000012 · form4.xml · nonDerivative · entry 1

MALAFRONTE MICHAEL W · CIK 0001209162 · Director · Lead Independent Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 113,205

F1 · price: This transaction was executed in multiple trades at prices ranging from $99.51 to $102.73. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0000730464-26-000011 · form4.xml · nonDerivative · entry 1

MALAFRONTE MICHAEL W · CIK 0001209162 · Director · Lead Independent Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Michael W Malafronte 2016 Gift Trust

Disclosed balance after: 1,200

F1 · shares: The reported securities are held by an irrevocable trust of which the reporting person serves as a trustee.

F2 · price: This transaction was executed in multiple trades at prices ranging from $97.87 to $98.00. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.