CPK

SEC source: 0001608024-26-000006 · wk-form4_1779831644.xml · nonDerivative · entry 3

Householder Jeffry M · CIK 0001608024 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,001

SEC source: 0001608024-26-000006 · wk-form4_1779831644.xml · nonDerivative · entry 2

Householder Jeffry M · CIK 0001608024 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,004

SEC source: 0001608024-26-000006 · wk-form4_1779831644.xml · nonDerivative · entry 1

Householder Jeffry M · CIK 0001608024 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,325

F1 · balance_after: Includes 3 shares for the reporting person that were acquired since last filing through reinvestment of dividends under Chesapeake Utilities Corporation's Dividend Reinvestment and Direct Stock Purchase Plan.

F2 · balance_after: Includes 52,408 deferred stock units of which 278 were acquired by the reporting person since the last filing through reinvestment of dividends pursuant to a dividend reinvestment plan. Deferred stock units will be settled on a one-for-one basis in common stock.

SEC source: 0001777062-26-000006 · wk-form4_1779395698.xml · nonDerivative · entry 1

Webber Kevin J · CIK 0001777062 · Sr VP & Chief Dev Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,652

F1 · balance_after: Includes 9,439 deferred stock units of which 50 were acquired by the reporting person since the last filing through reinvestment of dividends pursuant to a dividend reinvestment plan. Deferred stock units will be settled on a one-for-one basis in common stock.

SEC source: 0001620385-26-000003 · wk-form4_1778271989.xml · nonDerivative · entry 1

Petrone Sheree M. · CIK 0001620385 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,450

F1 · shares: Shares issued for director compensation under the Company's Stock Incentive and Compensation Plan.

F2 · balance_after: Includes 36 shares for the reporting person that were acquired since last filing through reinvestment of dividends under Chesapeake Utilities Corporation's Dividend Reinvestment and Direct Stock Purchase Plan.

SEC source: 0001799322-26-000003 · wk-form4_1778271916.xml · nonDerivative · entry 1

Jaber Lila A · CIK 0001799322 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,046

F1 · shares: Shares issued for director compensation under the Company's Stock Incentive and Compensation Plan.

F2 · balance_after: Includes 59 shares for the reporting person that were acquired since last filing through reinvestment of dividends under Chesapeake Utilities Corporation's Dividend Reinvestment and Direct Stock Purchase Plan.

SEC source: 0001931720-26-000003 · wk-form4_1778271828.xml · nonDerivative · entry 1

Eden Elisabeth A · CIK 0001931720 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,734

F1 · shares: Shares issued for director compensation under the Company's Stock Incentive and Compensation Plan.

F2 · balance_after: Includes 6 shares for the reporting person that were acquired since last filing through reinvestment of dividends under Chesapeake Utilities Corporation's Dividend Reinvestment and Direct Stock Purchase Plan.

SEC source: 0001619795-26-000003 · wk-form4_1778271784.xml · nonDerivative · entry 1

Forsythe Ronald G Jr · CIK 0001619795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,271

F1 · shares: Shares issued for director compensation under the Company's Stock Incentive and Compensation Plan.

F2 · balance_after: Includes 50 shares for the reporting person that were acquired since last filing through reinvestment of dividends under Chesapeake Utilities Corporation's Dividend Reinvestment and Direct Stock Purchase Plan.

SEC source: 0001479663-26-000003 · wk-form4_1778271630.xml · nonDerivative · entry 1

Bisaccia Lisa · CIK 0001479663 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,932

F1 · shares: Shares issued for director compensation under the Company's Stock Incentive and Compensation Plan.

F2 · balance_after: Includes 4,590 deferred stock units of which 1,112 are from the reported award and 38 were acquired by the reporting person since the last filing through reinvestment of dividends pursuant to a dividend reinvestment plan. Deferred stock units will be settled on a one-for-one basis in common stock.

SEC source: 0001105839-26-000002 · wk-form4_1778271722.xml · nonDerivative · entry 1

BRESNAN THOMAS J · CIK 0001105839 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,790

F1 · shares: Shares issued for director compensation under the Company's Stock Incentive and Compensation Plan.

F2 · balance_after: Includes 12,370 deferred stock units of which 134 were acquired by the reporting person since the last filing through reinvestment of dividends pursuant to a dividend reinvestment plan. Deferred stock units will be settled on a one-for-one basis in common stock.

SEC source: 0000019745-26-000036 · wk-form4_1778271482.xml · nonDerivative · entry 1

HUDSON DENNIS S III · CIK 0001078596 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,587

F1 · shares: Shares issued for director compensation under the Company's Stock Incentive and Compensation Plan.

SEC source: 0000019745-26-000034 · wk-form4_1772155968.xml · nonDerivative · entry 1

Cooper Beth W · CIK 0001391790 · Executive VP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 98,590

F1 · shares: A portion of these shares will be withheld to account for the payment of the tax liability associated with the issuance of the shares. Such tax liability has not been determined. The tax liability, when determined, will be reflected on an amendment to this Form 4 or a subsequently filed Form 4.

F2 · balance_after: Includes 28,115 deferred stock units that will be settled on a one-for-one basis in common stock.

SEC source: 0000019745-26-000032 · wk-form4_1772149854.xml · nonDerivative · entry 1

Webber Kevin J · CIK 0001777062 · Sr VP & Chief Dev Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,681

F1 · shares: A portion of these shares will be withheld to account for the payment of the tax liability associated with the issuance of the shares. Such tax liability has not been determined. The tax liability, when determined, will be reflected on an amendment to this Form 4 or a subsequently filed Form 4.

F2 · balance_after: Includes 6,132 deferred stock units of which 34 were acquired for the reporting person since the last filing through reinvestment of dividends pursuant to a dividend reinvestment plan. Deferred stock units will be settled on a one-for-one basis in common stock.

SEC source: 0001441025-26-000003 · wk-form4_1772150100.xml · nonDerivative · entry 1

Galtman Michael D · CIK 0001441025 · Senior VP & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,392

F1 · shares: A portion of these shares will be withheld to account for the payment of the tax liability associated with the issuance of the shares. Such tax liability has not been determined. The tax liability, when determined, will be reflected on an amendment to this Form 4 or a subsequently filed Form 4.

F2 · balance_after: Includes 14 shares that were acquired for the reporting person since last filing through reinvestment of dividends under Chesapeake Utilities Corporation's Dividend Reinvestment and Direct Stock Purchase Plan.

SEC source: 0000019745-26-000030 · wk-form4_1772148898.xml · nonDerivative · entry 1

Moriarty James F · CIK 0001643320 · Executive VP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,148

F1 · shares: A portion of these shares will be withheld to account for the payment of the tax liability associated with the issuance of the shares. Such tax liability has not been determined. The tax liability, when determined, will be reflected on an amendment to this Form 4 or a subsequently filed Form 4.

F2 · balance_after: Includes 117 shares for the reporting person that were acquired since last filing through reinvestment of dividends under Chesapeake Utilities Corporation's Dividend Reinvestment and Direct Stock Purchase Plan.

F3 · balance_after: Includes 12,457 deferred stock units of which 69 were acquired by the reporting person since the last filing through reinvestment of dividends pursuant to a dividend reinvestment plan. Deferred stock units will be settled on a one-for-one basis in common stock.

SEC source: 0001812229-26-000003 · wk-form4_1772149622.xml · nonDerivative · entry 1

Sylvester Jeffery S · CIK 0001812229 · Senior VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,882

F1 · shares: A portion of these shares will be withheld to account for the payment of the tax liability associated with the issuance of the shares. Such tax liability has not been determined. The tax liability, when determined, will be reflected on an amendment to this Form 4 or a subsequently filed Form 4.

F2 · balance_after: Includes 10 shares for the reporting person that were acquired since last filing through reinvestment of dividends under Chesapeake Utilities Corporation's Dividend Reinvestment and Direct Stock Purchase Plan.

F3 · balance_after: Includes 10,130 deferred stock units of which 56 were acquired for the reporting person since the last filing through reinvestment of dividends pursuant to a dividend reinvestment plan. Deferred stock units will be settled on a one-for-one basis in common stock.

SEC source: 0000019745-26-000029 · wk-form4_1772148792.xml · nonDerivative · entry 1

Householder Jeffry M · CIK 0001608024 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,217

F1 · shares: A portion of these shares will be withheld to account for the payment of the tax liability associated with the issuance of the shares. Such tax liability has not been determined. The tax liability, when determined, will be reflected on an amendment to this Form 4 or a subsequently filed Form 4.

F2 · balance_after: Includes 2 shares that were acquired for the reporting person since last filing through reinvestment of dividends under Chesapeake Utilities Corporation's Dividend Reinvestment and Direct Stock Purchase Plan.

F3 · balance_after: Includes 31,504 deferred stock units of which 176 were acquired by the reporting person since the last filing through reinvestment of dividends. Deferred stock units will be settled on a one-for-one basis in common stock.

SEC source: 0001441025-26-000005 · wk-form4a_1778856042.xml · nonDerivative · entry 1

Galtman Michael D · CIK 0001441025 · Senior VP · Chief Transformation Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,419

F1 · shares: As reported on February 26, 2026, 2,866 shares of common stock were earned pursuant to a performance share agreement in place with the reporting individual. Accordingly, 1,893 shares were issued to the reporting individual, 0 deferred stock units were granted and 973 shares of Chesapeake Utilities common stock were utilized to satisfy the tax liability associated with the incentive award (1,893 shares issued to the reporting individual + 0 deferred stock units +973 shares to cover the tax liability = 2,866 total shares comprising the incentive award).

SEC source: 0001777062-26-000004 · wk-form4a_1778855988.xml · nonDerivative · entry 1

Webber Kevin J · CIK 0001777062 · Sr VP & Chief Dev Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,602

F1 · shares: As reported on February 26, 2026, 3,336 shares of common stock were earned pursuant to a performance share agreement in place with the reporting individual. Accordingly, 0 shares were issued to the reporting individual, 3,257 deferred stock units were granted and 79 shares of Chesapeake Utilities common stock were utilized to satisfy the tax liability associated with the incentive award (0 shares issued to the reporting individual + 3,257 deferred stock units + 79 shares to cover the tax liability = 3,336 total shares comprising the incentive award).

F2 · balance_after: Includes 9,389 deferred stock units that will be settled on a one-for-one basis in common stock.

SEC source: 0001812229-26-000005 · wk-form4a_1778855947.xml · nonDerivative · entry 1

Sylvester Jeffery S · CIK 0001812229 · Senior VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,575

F1 · shares: As reported on February 26, 2026, 3,899 shares of common stock were earned pursuant to a performance share agreement in place with the reporting individual. Accordingly, 668 shares were issued to the reporting individual, 2,924 deferred stock units were granted and 307 shares of Chesapeake Utilities common stock were utilized to satisfy the tax liability associated with the incentive award (668 shares issued to the reporting individual + 2,924 deferred stock units + 307 shares to cover the tax liability = 3,899 total shares comprising the incentive award).

F2 · balance_after: Includes 13,054 deferred stock units that will be settled on a one-for-one basis in common stock.

SEC source: 0001643320-26-000003 · wk-form4a_1778855908.xml · nonDerivative · entry 1

Moriarty James F · CIK 0001643320 · Executive VP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,423

F1 · shares: As reported on February 26, 2026, 7,557 shares of common stock were earned pursuant to a performance share agreement in place with the reporting individual. Accordingly, 3,832 shares were issued to the reporting individual, 0 deferred stock units were granted and 3,725 shares of Chesapeake Utilities common stock were utilized to satisfy the tax liability associated with the incentive award (3,832 shares issued to the reporting individual + 0 deferred stock units + 3,725 shares to cover the tax liability = 7,557 total shares comprising the incentive award).

F2 · balance_after: Includes 12,457 deferred stock units that will be settled on a one-for-one basis in common stock.

SEC source: 0001608024-26-000003 · wk-form4a_1778855684.xml · nonDerivative · entry 1

Householder Jeffry M · CIK 0001608024 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,720

F1 · shares: As reported on February 26, 2026, 21,123 shares of common stock were earned pursuant to a performance share agreement in place with the reporting individual. Accordingly, 0 shares were issued to the reporting individual, 20,626 deferred stock units were granted and 497 shares of Chesapeake Utilities common stock were utilized to satisfy the tax liability associated with the incentive award (0 shares issued to the reporting individual + 20,626 deferred stock units + 497 shares to cover the tax liability = 21,123 total shares comprising the incentive award).

F2 · balance_after: Includes 52,130 deferred stock units that will be settled on a one-for-one basis in common stock.

SEC source: 0001391790-26-000004 · wk-form4a_1778855836.xml · nonDerivative · entry 1

Cooper Beth W · CIK 0001391790 · Executive VP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,110

F1 · shares: As reported on February 26, 2026, 7,557 shares of common stock were earned pursuant to a performance share agreement in place with the reporting individual. Accordingly, 4,077 shares were issued to the reporting individual, 0 deferred stock units were granted and 3,480 shares of Chesapeake Utilities common stock were utilized to satisfy the tax liability associated with the incentive award (4,077 shares issued to the reporting individual + 0 deferred stock units + 3,480 shares to cover the tax liability = 7,557 total shares comprising the incentive award).

F2 · balance_after: Includes 28,115 deferred stock units that will be settled on a one-for-one basis in common stock.

SEC source: 0000019745-26-000013 · wk-form4_1767909231.xml · nonDerivative · entry 1

Cooper Beth W · CIK 0001391790 · Executive VP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,033

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 · shares: On January 6th, 2026, the reporting person received a distribution of 792 shares of Chesapeake Utilities Corporation ("CPK") common stock in settlement of an equal number of deferred stock units held pursuant to the CPK Non-Qualified Deferred Compensation Plan. No purchase or sale occurred.

F2 · balance_after: Includes 16 shares for the reporting person that were acquired since last filing through reinvestment of dividends under Chesapeake Utilities Corporation's Dividend Reinvestment and Direct Stock Purchase Plan.

F3 · balance_after: Includes 28,115 deferred stock units of which 303 were acquired for the reporting person since the last filing through reinvestment of dividends pursuant to a dividend reinvestment plan. Deferred stock units will be settled on a one-for-one basis in common stock.

SEC source: 0000019745-26-000011 · wk-form4_1767909136.xml · nonDerivative · entry 1

Forsythe Ronald G Jr · CIK 0001619795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,109

F1 · shares: On January 6th, 2026, the reporting person received a distribution of 853 shares of Chesapeake Utilities Corporation ("CPK") common stock in settlement of an equal number of deferred stock units held pursuant to the CPK Non-Qualified Deferred Compensation Plan. 246 shares were liquidated to satisfy the tax obligation for the reporting person.

F2 · balance_after: Includes 164 shares for the reporting person that were acquired since last filing through reinvestment of dividends under Chesapeake Utilities Corporation's Dividend Reinvestment and Direct Stock Purchase Plan.

SEC source: 0000019745-25-000045 · wk-form4_1767047259.xml · nonDerivative · entry 1

Householder Jeffry M · CIK 0001608024 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,916

F1 · shares: Proceeds of shares sold to be used for purchase of second home.

F2 · balance_after: Includes 31,328 deferred stock units that will be settled on a one-for-one basis in common stock.

SEC source: 0001608024-25-000005 · wk-form4_1766434829.xml · nonDerivative · entry 5

Householder Jeffry M · CIK 0001608024 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,824

F1 · shares: Broker open market total sale of 10,592 shares on behalf of the reporting individual ranged from $126.03 to $128.50 in multiple transactions. Full information regarding the number of shares sold at each separate price will be provided upon request. Proceeds of shares sold to be used for purchase of second home.

F2 · balance_after: Includes 31,328 deferred stock units that will be settled on a one-for-one basis in common stock.

SEC source: 0001608024-25-000005 · wk-form4_1766434829.xml · nonDerivative · entry 4

Householder Jeffry M · CIK 0001608024 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,376

F1 · shares: Broker open market total sale of 10,592 shares on behalf of the reporting individual ranged from $126.03 to $128.50 in multiple transactions. Full information regarding the number of shares sold at each separate price will be provided upon request. Proceeds of shares sold to be used for purchase of second home.

F2 · balance_after: Includes 31,328 deferred stock units that will be settled on a one-for-one basis in common stock.

SEC source: 0001608024-25-000005 · wk-form4_1766434829.xml · nonDerivative · entry 3

Householder Jeffry M · CIK 0001608024 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,876

F1 · shares: Broker open market total sale of 10,592 shares on behalf of the reporting individual ranged from $126.03 to $128.50 in multiple transactions. Full information regarding the number of shares sold at each separate price will be provided upon request. Proceeds of shares sold to be used for purchase of second home.

F2 · balance_after: Includes 31,328 deferred stock units that will be settled on a one-for-one basis in common stock.

SEC source: 0001608024-25-000005 · wk-form4_1766434829.xml · nonDerivative · entry 2

Householder Jeffry M · CIK 0001608024 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,916

F1 · shares: Broker open market total sale of 10,592 shares on behalf of the reporting individual ranged from $126.03 to $128.50 in multiple transactions. Full information regarding the number of shares sold at each separate price will be provided upon request. Proceeds of shares sold to be used for purchase of second home.

F2 · balance_after: Includes 31,328 deferred stock units that will be settled on a one-for-one basis in common stock.

SEC source: 0001608024-25-000005 · wk-form4_1766434829.xml · nonDerivative · entry 1

Householder Jeffry M · CIK 0001608024 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,116

F1 · shares: Broker open market total sale of 10,592 shares on behalf of the reporting individual ranged from $126.03 to $128.50 in multiple transactions. Full information regarding the number of shares sold at each separate price will be provided upon request. Proceeds of shares sold to be used for purchase of second home.

F2 · balance_after: Includes 31,328 deferred stock units that will be settled on a one-for-one basis in common stock.

SEC source: 0001608024-25-000003 · wk-form4_1766100881.xml · nonDerivative · entry 3

Householder Jeffry M · CIK 0001608024 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,416

F1 · shares: Proceeds of shares sold to be used for purchase of second home.

F2 · balance_after: Includes 704 shares that were acquired for the reporting person since last filing through reinvestment of dividends under Chesapeake Utilities Corporation's Dividend Reinvestment and Direct Stock Purchase Plan.

F3 · balance_after: Includes 31,328 deferred stock units of which 483 were acquired by the reporting person since the last filing through reinvestment of dividends. Deferred stock units will be settled on a one-for-one basis in common stock.

SEC source: 0001608024-25-000003 · wk-form4_1766100881.xml · nonDerivative · entry 2

Householder Jeffry M · CIK 0001608024 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,916

F1 · shares: Proceeds of shares sold to be used for purchase of second home.

F2 · balance_after: Includes 704 shares that were acquired for the reporting person since last filing through reinvestment of dividends under Chesapeake Utilities Corporation's Dividend Reinvestment and Direct Stock Purchase Plan.

F3 · balance_after: Includes 31,328 deferred stock units of which 483 were acquired by the reporting person since the last filing through reinvestment of dividends. Deferred stock units will be settled on a one-for-one basis in common stock.

SEC source: 0001608024-25-000003 · wk-form4_1766100881.xml · nonDerivative · entry 1

Householder Jeffry M · CIK 0001608024 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,929

F1 · shares: Proceeds of shares sold to be used for purchase of second home.

F2 · balance_after: Includes 704 shares that were acquired for the reporting person since last filing through reinvestment of dividends under Chesapeake Utilities Corporation's Dividend Reinvestment and Direct Stock Purchase Plan.

F3 · balance_after: Includes 31,328 deferred stock units of which 483 were acquired by the reporting person since the last filing through reinvestment of dividends. Deferred stock units will be settled on a one-for-one basis in common stock.

SEC source: 0001812229-25-000004 · wk-form4_1764010847.xml · nonDerivative · entry 1

Sylvester Jeffery S · CIK 0001812229 · Senior VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,916

F1 · shares: Broker open market sale on behalf of the reporting individual.

F2 · balance_after: Includes 44 shares for the reporting person that were acquired since last filing through reinvestment of dividends under Chesapeake Utilities Corporation's Dividend Reinvestment and Direct Stock Purchase Plan.

F3 · balance_after: Includes 10,073 deferred stock units of which 155 were acquired for the reporting person since the last filing through reinvestment of dividends pursuant to a dividend reinvestment plan. Deferred stock units will be settled on a one-for-one basis in common stock.

SEC source: 0001628280-25-043142 · wk-form4_1759184045.xml · nonDerivative · entry 2

Cooper Beth W · CIK 0001391790 · Executive VP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,713

SEC source: 0001628280-25-043142 · wk-form4_1759184045.xml · nonDerivative · entry 1

Cooper Beth W · CIK 0001391790 · Executive VP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,739

F1 · shares: Broker open market sale of 4,974 shares on behalf of the reporting individual ranged from $131.77 to $132.76 in multiple transactions. Full information regarding the number of shares sold at each separate price will be provided upon request.

F2 · balance_after: Includes 17 shares that were acquired for the reporting person since last filing through reinvestment of dividends under the Chesapeake Utilities Corporation Dividend Reinvestment and Direct Stock Purchase Plan.

F3 · balance_after: Includes 28,604 deferred stock units, of which 300 DSUs were acquired for the reporting person since last filing through reinvestment of dividends pursuant to a dividend reinvestment plan. Deferred stock units will be settled on a one-for-one basis in common stock.

SEC source: 0000019745-25-000027 · primary_doc.xml · nonDerivative · entry 1

Forsythe Ronald G Jr · CIK 0001619795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,191

F1 · balance_after: The reporting person participates in the Chesapeake Utilities Corporation (CPK) Non-Qualified Deferred Compensation Plan (NQDC Plan) where Deferred Stock Units (DSUs) are automatically distributed on a one-for-one basis, less shares not distributed to cover tax liabilities, into shares of CPK common stock based on a distribution date previously determined at the time of election. On June 6, 2025, the reporting person received a distribution of 344 shares of CPK common stock in settlement of an equal number of DSUs held pursuant to the NQDC Plan. Of these shares, 138 shares were sold to satisfy the tax obligations.

F2 · balance_after: Includes 840 deferred stock units that will be settled on a one-for-one basis in common stock.

SEC source: 0000730708-25-000117 · wk-form4_1746824230.xml · nonDerivative · entry 1

HUDSON DENNIS S III · CIK 0001078596 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,475

F1 · kind: Shares issued under Chesapeake's Director Stock Compensation Plan

SEC source: 0000019745-25-000026 · primary_doc.xml · nonDerivative · entry 1

Petrone Sheree M. · CIK 0001620385 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,268

F1 · balance_after: Includes 25 shares for the reporting person that were acquired since last filing through reinvestment of dividends under Chesapeake Utilities Corporation's Dividend Reinvestment and Direct Stock Purchase Plan.

SEC source: 0000019745-25-000025 · primary_doc.xml · nonDerivative · entry 1

Jaber Lila A · CIK 0001799322 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,817

F1 · balance_after: Includes 46 shares for the reporting person that were acquired since last filing through reinvestment of dividends under Chesapeake Utilities Corporation's Dividend Reinvestment and Direct Stock Purchase Plan.

SEC source: 0000019745-25-000024 · primary_doc.xml · nonDerivative · entry 1

Gary Stephanie N · CIK 0001942456 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,268

F1 · balance_after: Includes 25 shares for the reporting person that were acquired since last filing through reinvestment of dividends under Chesapeake Utilities Corporation's Dividend Reinvestment and Direct Stock Purchase Plan.

SEC source: 0000019745-25-000023 · primary_doc.xml · nonDerivative · entry 1

Forsythe Ronald G Jr · CIK 0001619795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,329

F1 · balance_after: Includes 83 shares for the reporting person that were acquired since last filing through reinvestment of dividends under Chesapeake Utilities Corporation's Dividend Reinvestment and Direct Stock Purchase Plan.

F2 · balance_after: Includes 1,322 deferred stock units of which 14 were acquired by the reporting person since the last filing through reinvestment of dividends pursuant to a dividend reinvestment plan. Deferred stock units will be settled on a one-for-one basis in common stock.

SEC source: 0000019745-25-000022 · primary_doc.xml · nonDerivative · entry 1

BRESNAN THOMAS J · CIK 0001105839 · Director · Independent Lead Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,416

F1 · balance_after: Includes 12,108 deferred stock units of which 124 were acquired by the reporting person since the last filing through reinvestment of dividends pursuant to a dividend reinvestment plan. Deferred stock units will be settled on a one-for-one basis in common stock.

SEC source: 0000019745-25-000021 · primary_doc.xml · nonDerivative · entry 1

Bisaccia Lisa · CIK 0001479663 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,746

F1 · balance_after: Includes 3,404 deferred stock units of which 895 are from the reported award and 26 were acquired by the reporting person since the last filing through reinvestment of dividends pursuant to a dividend reinvestment plan. Deferred stock units will be settled on a one-for-one basis in common stock.

SEC source: 0000019745-25-000020 · primary_doc.xml · nonDerivative · entry 1

Galtman Michael D · CIK 0001441025 · Senior VP & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,949

F1 · balance_after: A portion of these shares will be withheld to account for the payment of the tax liability associated with the issuance of the shares. Such tax liability has not been determined. The tax liability, when determined, will be reflected on an amendment to this Form 4 or a subsequently filed Form 4.

F2 · balance_after: Includes 7 shares that were acquired for the reporting person since last filing through reinvestment of dividends under Chesapeake Utilities Corporation's Dividend Reinvestment and Direct Stock Purchase Plan.

SEC source: 0000019745-25-000019 · primary_doc.xml · nonDerivative · entry 1

Webber Kevin J · CIK 0001777062 · Senior VP & Chief Dev. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,262

F1 · balance_after: A portion of these shares will be withheld to account for the payment of the tax liability associated with the issuance of the shares. Such tax liability has not been determined. The tax liability, when determined, will be reflected on an amendment to this Form 4 or a subsequently filed Form 4.

F2 · balance_after: Includes 4,137 deferred stock units of which 21 were acquired by the reporting person since the last filing through reinvestment of dividends. Deferred stock units will be settled on a one-for-one basis in common stock.

SEC source: 0000019745-25-000016 · primary_doc.xml · nonDerivative · entry 1

Householder Jeffry M · CIK 0001608024 · Director · President & CEO · Chair of the Board

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,033

F1 · balance_after: A portion of these shares will be withheld to account for the payment of the tax liability associated with the issuance of the shares. Such tax liability has not been determined. The tax liability, when determined, will be reflected on an amendment to this Form 4 or a subsequently filed Form 4.

F2 · balance_after: Includes 231 shares that were acquired for the reporting person since last filing through reinvestment of dividends under Chesapeake Utilities Corporation's Dividend Reinvestment and Direct Stock Purchase Plan.

F3 · balance_after: Includes 22,529 deferred stock units of which 119 were acquired by the reporting person since the last filing through reinvestment of dividends. Deferred stock units will be settled on a one-for-one basis in common stock.

SEC source: 0000019745-25-000018 · primary_doc.xml · nonDerivative · entry 1

Sylvester Jeffery S · CIK 0001812229 · Senior VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,820

F1 · balance_after: A portion of these shares will be withheld to account for the payment of the tax liability associated with the issuance of the shares. Such tax liability has not been determined. The tax liability, when determined, will be reflected on an amendment to this Form 4 or a subsequently filed Form 4.

F2 · balance_after: Includes 3 shares that were acquired for the reporting person since last filing through reinvestment of dividends under Chesapeake Utilities Corporation's Dividend Reinvestment and Direct Stock Purchase Plan.

F3 · balance_after: Includes 8,334 deferred stock units of which 44 were acquired by the reporting person since the last filing through reinvestment of dividends. Deferred stock units will be settled on a one-for-one basis in common stock.

SEC source: 0000019745-25-000017 · primary_doc.xml · nonDerivative · entry 1

Moriarty James F · CIK 0001643320 · Exec VP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,524

F1 · balance_after: A portion of these shares will be withheld to account for the payment of the tax liability associated with the issuance of the shares. Such tax liability has not been determined. The tax liability, when determined, will be reflected on an amendment to this Form 4 or a subsequently filed Form 4.

F2 · balance_after: Includes 96 shares that were acquired for the reporting person since last filing through reinvestment of dividends under Chesapeake Utilities Corporation's Dividend Reinvestment and Direct Stock Purchase Plan.

F3 · balance_after: Includes 12,197 deferred stock units of which 65 were acquired by the reporting person since the last filing through reinvestment of dividends. Deferred stock units will be settled on a one-for-one basis in common stock.