Kingsley Lawrence D

SEC source: 0001628280-26-063985 · wk-form4_1790799395.xml · nonDerivative · entry 1

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,858

F1 · shares: These shares were issued in connection with the Reporting Person's election to receive his or her quarterly retainer for director services in the form of vested shares rather than cash.

SEC source: 0000874716-26-000127 · wk-form4_1788987605.xml · derivative · entry 3

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,203 shares

Expires 2026-11-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · price: Not applicable.

F2 · derivative.exercise_date: Grant of option to buy shares of IDEXX Laboratories, Inc. common stock that vested in one installment on May 3, 2017.

SEC source: 0000874716-26-000127 · wk-form4_1788987605.xml · nonDerivative · entry 2

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,568

F1 · price: Represents the weighted average price of the shares sold ranging from a low of $531.88 to a high of $532.14 per share. The undersigned undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares purchased at each separate price.

SEC source: 0000874716-26-000127 · wk-form4_1788987605.xml · nonDerivative · entry 1

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,771

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001628280-26-046239 · wk-form4_1782851089.xml · nonDerivative · entry 1

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,525

F1 · shares: These shares were issued in connection with the Reporting Person's election to receive his or her quarterly retainer for director services in the form of vested shares rather than cash.

SEC source: 0001628280-26-035097 · wk-form4_1778789306.xml · nonDerivative · entry 1

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,430

F1 · shares: Represents restricted stock units that will vest on the earlier to occur of (i) first anniversary of the grant date or (ii) date of the annual stockholder meeting following the grant date, subject to the non-employee director's continued service on the Board through such vesting date.

SEC source: 0000874716-26-000104 · wk-form4_1778792440.xml · derivative · entry 4

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75

Underlying: Common Stock · 75 shares

Expires not disclosed

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock. These restricted stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2027 annual meeting of shareholders, whichever event is earlier.

F2 · shares: Additional grant as Lead Director.

F3 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock. These restricted stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2027 annual meeting of shareholders, whichever event is earlier.

F3 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock. These restricted stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2027 annual meeting of shareholders, whichever event is earlier.

SEC source: 0000874716-26-000104 · wk-form4_1778792440.xml · derivative · entry 3

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 234

Underlying: Common Stock · 234 shares

Expires not disclosed

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock. These restricted stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2027 annual meeting of shareholders, whichever event is earlier.

F3 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock. These restricted stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2027 annual meeting of shareholders, whichever event is earlier.

F3 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock. These restricted stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2027 annual meeting of shareholders, whichever event is earlier.

SEC source: 0000874716-26-000104 · wk-form4_1778792440.xml · derivative · entry 2

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 168

Underlying: Common Stock · 168 shares

Expires 2036-05-11

F2 · shares: Additional grant as Lead Director.

F1 · derivative.exercise_date: Grant of option to buy shares of Issuer common stock that vest in one installment on the one year anniversary of the date of grant or on the date of the 2027 annual meeting of shareholders, whichever event is earlier.

SEC source: 0000874716-26-000104 · wk-form4_1778792440.xml · derivative · entry 1

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 525

Underlying: Common Stock · 525 shares

Expires 2036-05-11

F1 · derivative.exercise_date: Grant of option to buy shares of Issuer common stock that vest in one installment on the one year anniversary of the date of grant or on the date of the 2027 annual meeting of shareholders, whichever event is earlier.

SEC source: 0000874716-26-000085 · wk-form4_1778533840.xml · derivative · entry 4

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 82 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock that vested in one installment on May 7, 2026.

F2 · price: Not applicable.

F1 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock that vested in one installment on May 7, 2026.

F1 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock that vested in one installment on May 7, 2026.

SEC source: 0000874716-26-000085 · wk-form4_1778533840.xml · derivative · entry 3

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 257 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock that vested in one installment on May 7, 2026.

F2 · price: Not applicable.

F1 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock that vested in one installment on May 7, 2026.

F1 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock that vested in one installment on May 7, 2026.

SEC source: 0000874716-26-000085 · wk-form4_1778533840.xml · nonDerivative · entry 2

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,568

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000874716-26-000085 · wk-form4_1778533840.xml · nonDerivative · entry 1

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,486

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001628280-26-029422 · wk-form4_1777669757.xml · nonDerivative · entry 1

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,268.46

F1 · balance_after: The reported transaction involved the crediting of 2,641 deferred stock units granted under the Amended and Restated Polaris Inc. 2024 Omnibus Incentive Plan, each of which may be settled in one share of common stock pursuant to the Company's Deferred Compensation Plan for Directors. The total reported in column 5 includes the 2,641 newly acquired deferred stock units, and 1,250.35 deferred stock units acquired pursuant to the dividend reinvestment feature of the DC Plan.

SEC source: 0001628280-26-023160 · wk-form4_1775160831.xml · nonDerivative · entry 1

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,047

F1 · shares: These shares were issued in connection with the Reporting Person's election to receive his or her quarterly retainer for director services in the form of vested shares rather than cash.

SEC source: 0001628280-26-000405 · wk-form4_1767647061.xml · nonDerivative · entry 1

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,943

F1 · shares: These shares were issued in connection with the Reporting Person's election to receive his or her quarterly retainer for director services in the form of vested shares rather than cash.

SEC source: 0001628280-25-056753 · wk-form4_1765573552.xml · nonDerivative · entry 1

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lawrence D. Kingsley Revocable Trust

Disclosed balance after: 3,509,075

SEC source: 0001628280-25-053976 · wk-form4_1764104741.xml · nonDerivative · entry 1

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lawrence D. Kingsley Revocable Trust

Disclosed balance after: 3,859,075

F1 · shares: On November 24, 2025, the Reporting Person made a gift of 40,925 shares of Class A Common Stock to a donor advised fund. The Reporting Person received no consideration for the gift.

SEC source: 0001628280-25-053585 · wk-form4_1763759203.xml · nonDerivative · entry 1

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lawrence D. Kingsley Revocable Trust

Disclosed balance after: 3,900,000

SEC source: 0001301427-25-000006 · wk-form4_1759349863.xml · nonDerivative · entry 1

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,137

F1 · shares: These shares were issued in connection with the Reporting Person's election to receive his or her quarterly retainer for director services in the form of vested shares rather than cash.

SEC source: 0001628280-25-027614 · wk-form4_1748032343.xml · nonDerivative · entry 2

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lawrence D. Kingsley 2015 Family Irrevocable Trust

Disclosed balance after: 0

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.89 to $18.05, inclusive.

F4 · ownership.nature: Reflects shares of Class A Common Stock of the Issuer held by the Lawrence D. Kingsley 2015 Family Irrevocable Trust. Members of the Reporting Person's immediate family are beneficial holders of the Lawrence D. Kingsley 2015 Family Irrevocable Trust, and the Reporting Person may be deemed to exercise voting and investment power over such shares of Class A Common Stock. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001628280-25-027614 · wk-form4_1748032343.xml · nonDerivative · entry 1

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Diane Kingsley Revocable Trust

Disclosed balance after: 0

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.88 to $18.06, inclusive.

F2 · ownership.nature: Reflects shares of Class A Common Stock held by the Diane Kingsley Revocable Trust. Members of the Reporting Person's immediate family are beneficial holders of the Diane Kingsley Revocable Trust, and the Reporting Person may be deemed to exercise voting and investment power over such shares of Class A Common Stock. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001628280-25-026326 · wk-form4a_1747430332.xml · nonDerivative · entry 1

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,287

F1 · shares: Represents restricted stock units that will vest in four equal quarterly installments on September 15, 2025, December 15, 2025, March 15, 2026, and the earlier to occur of (i) first anniversary of the grant date or (ii) date of the annual stockholder meeting following the grant date, subject to the non-employee director's continued service on the Board through each such vesting date.

SEC source: 0001628280-25-026266 · wk-form4_1747426316.xml · nonDerivative · entry 1

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,287

F1 · shares: Represents restricted stock units that will vest in four equal quarterly installments on September 15, 2025, December 15, 2025, March 15, 2026, and the earlier to occur of (i) first anniversary of the grant date or (ii) date of the annual stockholder meeting following the grant date, subject to the non-employee director's continued service on the Board through each such vesting date.

SEC source: 0000874716-25-000080 · wk-form4_1746745269.xml · derivative · entry 8

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 82

Underlying: Common Stock · 82 shares

Expires not disclosed

F4 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. These restricted stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2026 annual meeting of shareholders, whichever event earlier.

F2 · shares: Additional grant made as Independent Non-Executive Board Chair.

F4 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. These restricted stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2026 annual meeting of shareholders, whichever event earlier.

F4 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. These restricted stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2026 annual meeting of shareholders, whichever event earlier.

SEC source: 0000874716-25-000080 · wk-form4_1746745269.xml · derivative · entry 7

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 257

Underlying: Common Stock · 257 shares

Expires not disclosed

F4 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. These restricted stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2026 annual meeting of shareholders, whichever event earlier.

F4 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. These restricted stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2026 annual meeting of shareholders, whichever event earlier.

F4 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. These restricted stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2026 annual meeting of shareholders, whichever event earlier.

SEC source: 0000874716-25-000080 · wk-form4_1746745269.xml · derivative · entry 6

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 192

Underlying: Common Stock · 192 shares

Expires 2035-05-06

F2 · shares: Additional grant made as Independent Non-Executive Board Chair.

F3 · derivative.exercise_date: Grant of option to buy shares of IDEXX Laboratories, Inc. common stock that vest in one installment on the one year anniversary of the date of grant or on the date of the 2026 annual meeting of shareholders, whichever event is earlier.

SEC source: 0000874716-25-000080 · wk-form4_1746745269.xml · derivative · entry 5

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 600

Underlying: Common Stock · 600 shares

Expires 2035-05-06

F3 · derivative.exercise_date: Grant of option to buy shares of IDEXX Laboratories, Inc. common stock that vest in one installment on the one year anniversary of the date of grant or on the date of the 2026 annual meeting of shareholders, whichever event is earlier.

SEC source: 0000874716-25-000080 · wk-form4_1746745269.xml · derivative · entry 4

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 84 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Restricted stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2025 annual meeting of shareholders, whichever event was earlier.

F2 · shares: Additional grant made as Independent Non-Executive Board Chair.

F1 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Restricted stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2025 annual meeting of shareholders, whichever event was earlier.

F1 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Restricted stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2025 annual meeting of shareholders, whichever event was earlier.

SEC source: 0000874716-25-000080 · wk-form4_1746745269.xml · derivative · entry 3

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 262 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Restricted stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2025 annual meeting of shareholders, whichever event was earlier.

F1 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Restricted stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2025 annual meeting of shareholders, whichever event was earlier.

F1 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Restricted stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2025 annual meeting of shareholders, whichever event was earlier.

SEC source: 0000874716-25-000080 · wk-form4_1746745269.xml · nonDerivative · entry 2

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,229

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000874716-25-000080 · wk-form4_1746745269.xml · nonDerivative · entry 1

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,145

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001628280-25-022251 · wk-form4_1746479094.xml · nonDerivative · entry 1

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,377.11

F1 · balance_after: The reported transaction involved the crediting of 4,320 deferred stock units granted under the Polaris Inc. 2024 Omnibus Incentive Plan, each of which may be settled in one share of common stock pursuant to the Company's Deferred Compensation Plan for Directors. The total reported in column 5 includes the 4,320 newly acquired deferred stock units, and 823.32 CSEs and deferred stock units acquired pursuant to the dividend reinvestment feature of the DC Plan.

SEC source: 0001628280-24-047958 · wk-form4_1731621852.xml · derivative · entry 6

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,050,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Sponsor Units represent membership interests in GS Sponsor II, LLC, a Delaware limited liability company ("Sponsor"). The Sponsor Units held by the Reporting Person were subject to both service- and performance-vesting conditions. 1,050,000 Sponsor Units satisfied the performance vesting conditions on November 12, 2024 when the volume weighted average price per share of Class A Common Stock of the Issuer met or exceeded $14.00 for at least 20 trading days in a 30 consecutive trading day period; the service vesting condition was previously satisfied. The Sponsor, of which the Reporting Person is a non-managing member, completed a pro rata distribution of Class A Common Stock to holders of Sponsor Units, including the Reporting Person, on November 13, 2024.

F1 · price: Sponsor Units represent membership interests in GS Sponsor II, LLC, a Delaware limited liability company ("Sponsor"). The Sponsor Units held by the Reporting Person were subject to both service- and performance-vesting conditions. 1,050,000 Sponsor Units satisfied the performance vesting conditions on November 12, 2024 when the volume weighted average price per share of Class A Common Stock of the Issuer met or exceeded $14.00 for at least 20 trading days in a 30 consecutive trading day period; the service vesting condition was previously satisfied. The Sponsor, of which the Reporting Person is a non-managing member, completed a pro rata distribution of Class A Common Stock to holders of Sponsor Units, including the Reporting Person, on November 13, 2024.

F1 · derivative.exercise_date: Sponsor Units represent membership interests in GS Sponsor II, LLC, a Delaware limited liability company ("Sponsor"). The Sponsor Units held by the Reporting Person were subject to both service- and performance-vesting conditions. 1,050,000 Sponsor Units satisfied the performance vesting conditions on November 12, 2024 when the volume weighted average price per share of Class A Common Stock of the Issuer met or exceeded $14.00 for at least 20 trading days in a 30 consecutive trading day period; the service vesting condition was previously satisfied. The Sponsor, of which the Reporting Person is a non-managing member, completed a pro rata distribution of Class A Common Stock to holders of Sponsor Units, including the Reporting Person, on November 13, 2024.

F1 · derivative.expiration_date: Sponsor Units represent membership interests in GS Sponsor II, LLC, a Delaware limited liability company ("Sponsor"). The Sponsor Units held by the Reporting Person were subject to both service- and performance-vesting conditions. 1,050,000 Sponsor Units satisfied the performance vesting conditions on November 12, 2024 when the volume weighted average price per share of Class A Common Stock of the Issuer met or exceeded $14.00 for at least 20 trading days in a 30 consecutive trading day period; the service vesting condition was previously satisfied. The Sponsor, of which the Reporting Person is a non-managing member, completed a pro rata distribution of Class A Common Stock to holders of Sponsor Units, including the Reporting Person, on November 13, 2024.

SEC source: 0001628280-24-047958 · wk-form4_1731621852.xml · nonDerivative · entry 3

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lawrence D. Kingsley Revocable Trust

Disclosed balance after: 4,200,000

F2 · ownership.direct: On November 13, 2024, the Reporting Person transferred 1,050,000 shares of Class A Common Stock of the Issuer to the Lawrence D. Kingsley Revocable Trust for no consideration.

SEC source: 0001628280-24-047958 · wk-form4_1731621852.xml · nonDerivative · entry 2

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,310

F2 · ownership.direct: On November 13, 2024, the Reporting Person transferred 1,050,000 shares of Class A Common Stock of the Issuer to the Lawrence D. Kingsley Revocable Trust for no consideration.

SEC source: 0001628280-24-047958 · wk-form4_1731621852.xml · nonDerivative · entry 1

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,103,310

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: Sponsor Units represent membership interests in GS Sponsor II, LLC, a Delaware limited liability company ("Sponsor"). The Sponsor Units held by the Reporting Person were subject to both service- and performance-vesting conditions. 1,050,000 Sponsor Units satisfied the performance vesting conditions on November 12, 2024 when the volume weighted average price per share of Class A Common Stock of the Issuer met or exceeded $14.00 for at least 20 trading days in a 30 consecutive trading day period; the service vesting condition was previously satisfied. The Sponsor, of which the Reporting Person is a non-managing member, completed a pro rata distribution of Class A Common Stock to holders of Sponsor Units, including the Reporting Person, on November 13, 2024.

SEC source: 0001628280-24-045842 · wk-form4_1730932978.xml · nonDerivative · entry 2

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,310

F2 · ownership.direct: On November 5, 2024, the Reporting Person transferred 3,150,000 shares of Class A Common Stock of the Issuer to the Lawrence D. Kingsley Revocable Trust for no consideration.

SEC source: 0001628280-24-045842 · wk-form4_1730932978.xml · derivative · entry 6

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,050,000

Underlying: Class A Common Stock · 3,150,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Sponsor Units represent membership interests in GS Sponsor II, LLC, a Delaware limited liability company ("Sponsor"). The Sponsor Units held by the Reporting Person are subject to both service- and performance-vesting conditions. 3,150,000 Sponsor Units satisfied the performance vesting conditions on November 4, 2024 when the volume weighted average price per share of Class A Common Stock of the Issuer met or exceeded $12.00 for at least 20 trading days in a 30 consecutive trading day period; the service vesting condition was previously satisfied. The Sponsor, of which the Reporting Person is a non-managing member, completed a pro rata distribution of Class A Common Stock to holders of Sponsor Units, including the Reporting Person, on November 5, 2024.

F5 · price: The remaining Sponsor Units held by the Reporting Person are subject to both service- and performance-vesting conditions. The remaining Sponsor Units service-vested on October 20, 2023. The remaining Sponsor Units will performance-vest when the volume weighted average price per share of Class A Common Stock of the Issuer meets or exceeds $14.00 for at least 20 trading days in a 30 consecutive trading day period, provided that such date occurs on or before October 20, 2026. The Reporting Person is not entitled to distributions in respect of Sponsor Units until all applicable vesting conditions are satisfied.

F5 · derivative.exercise_date: The remaining Sponsor Units held by the Reporting Person are subject to both service- and performance-vesting conditions. The remaining Sponsor Units service-vested on October 20, 2023. The remaining Sponsor Units will performance-vest when the volume weighted average price per share of Class A Common Stock of the Issuer meets or exceeds $14.00 for at least 20 trading days in a 30 consecutive trading day period, provided that such date occurs on or before October 20, 2026. The Reporting Person is not entitled to distributions in respect of Sponsor Units until all applicable vesting conditions are satisfied.

F5 · derivative.expiration_date: The remaining Sponsor Units held by the Reporting Person are subject to both service- and performance-vesting conditions. The remaining Sponsor Units service-vested on October 20, 2023. The remaining Sponsor Units will performance-vest when the volume weighted average price per share of Class A Common Stock of the Issuer meets or exceeds $14.00 for at least 20 trading days in a 30 consecutive trading day period, provided that such date occurs on or before October 20, 2026. The Reporting Person is not entitled to distributions in respect of Sponsor Units until all applicable vesting conditions are satisfied.

SEC source: 0001628280-24-045842 · wk-form4_1730932978.xml · nonDerivative · entry 1

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,203,310

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: Sponsor Units represent membership interests in GS Sponsor II, LLC, a Delaware limited liability company ("Sponsor"). The Sponsor Units held by the Reporting Person are subject to both service- and performance-vesting conditions. 3,150,000 Sponsor Units satisfied the performance vesting conditions on November 4, 2024 when the volume weighted average price per share of Class A Common Stock of the Issuer met or exceeded $12.00 for at least 20 trading days in a 30 consecutive trading day period; the service vesting condition was previously satisfied. The Sponsor, of which the Reporting Person is a non-managing member, completed a pro rata distribution of Class A Common Stock to holders of Sponsor Units, including the Reporting Person, on November 5, 2024.

SEC source: 0001628280-24-030789 · wk-form4_1719950576.xml · nonDerivative · entry 1

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,310

F1 · shares: These shares were issued in connection with the Reporting Person's election to receive his or her quarterly retainer for director services in the form of vested shares rather than cash.

SEC source: 0001628280-24-026615 · wk-form4_1717534035.xml · nonDerivative · entry 1

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,525

F1 · shares: Represents restricted stock units that will vest in four equal quarterly installments on September 15, 2024, December 15, 2024, March 15, 2025, and the earlier to occur of (i) first anniversary of the grant date or (ii) date of the annual stockholder meeting following the grant date, subject to the non-employee director's continued service on the Board through each such vesting date.

SEC source: 0000874716-24-000102 · wk-form4_1715209318.xml · derivative · entry 8

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 82 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.

F4 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. These restricted stock units vested in in one installment on the one year anniversary of the date of grant or on the date of the 2024 annual meeting of shareholders, whichever event was earlier.

F4 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. These restricted stock units vested in in one installment on the one year anniversary of the date of grant or on the date of the 2024 annual meeting of shareholders, whichever event was earlier.

F4 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. These restricted stock units vested in in one installment on the one year anniversary of the date of grant or on the date of the 2024 annual meeting of shareholders, whichever event was earlier.

SEC source: 0000874716-24-000102 · wk-form4_1715209318.xml · derivative · entry 7

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 257 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.

F4 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. These restricted stock units vested in in one installment on the one year anniversary of the date of grant or on the date of the 2024 annual meeting of shareholders, whichever event was earlier.

F4 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. These restricted stock units vested in in one installment on the one year anniversary of the date of grant or on the date of the 2024 annual meeting of shareholders, whichever event was earlier.

F4 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. These restricted stock units vested in in one installment on the one year anniversary of the date of grant or on the date of the 2024 annual meeting of shareholders, whichever event was earlier.

SEC source: 0000874716-24-000102 · wk-form4_1715209318.xml · derivative · entry 6

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84

Underlying: Common Stock · 84 shares

Expires not disclosed

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Restricted stock units vest in in one installment on the one year anniversary of the date of grant or on the date of the 2025 annual meeting of shareholders, whichever event is earlier.

F2 · shares: Additional grant made as Independent Non-Executive Board Chair.

F3 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Restricted stock units vest in in one installment on the one year anniversary of the date of grant or on the date of the 2025 annual meeting of shareholders, whichever event is earlier.

F3 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Restricted stock units vest in in one installment on the one year anniversary of the date of grant or on the date of the 2025 annual meeting of shareholders, whichever event is earlier.

SEC source: 0000874716-24-000102 · wk-form4_1715209318.xml · derivative · entry 5

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 262

Underlying: Common Stock · 262 shares

Expires not disclosed

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Restricted stock units vest in in one installment on the one year anniversary of the date of grant or on the date of the 2025 annual meeting of shareholders, whichever event is earlier.

F3 · derivative.exercise_date: Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Restricted stock units vest in in one installment on the one year anniversary of the date of grant or on the date of the 2025 annual meeting of shareholders, whichever event is earlier.

F3 · derivative.expiration_date: Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Restricted stock units vest in in one installment on the one year anniversary of the date of grant or on the date of the 2025 annual meeting of shareholders, whichever event is earlier.

SEC source: 0000874716-24-000102 · wk-form4_1715209318.xml · derivative · entry 4

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 195

Underlying: Common Stock · 195 shares

Expires 2034-05-05

F2 · shares: Additional grant made as Independent Non-Executive Board Chair.

F1 · derivative.exercise_date: Grant of option to buy shares of IDEXX Laboratories, Inc. common stock that vest in one installment on the one year anniversary of the date of grant or on the date of the 2025 annual meeting of shareholders, whichever event is earlier.

SEC source: 0000874716-24-000102 · wk-form4_1715209318.xml · derivative · entry 3

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 609

Underlying: Common Stock · 609 shares

Expires 2034-05-05

F1 · derivative.exercise_date: Grant of option to buy shares of IDEXX Laboratories, Inc. common stock that vest in one installment on the one year anniversary of the date of grant or on the date of the 2025 annual meeting of shareholders, whichever event is earlier.

SEC source: 0000874716-24-000102 · wk-form4_1715209318.xml · nonDerivative · entry 2

Kingsley Lawrence D · CIK 0001301427 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,883

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.