CALX

SEC source: 0001406666-24-000005 · wk-form4_1707779385.xml · derivative · entry 1

SINDELAR CORY · CIK 0001226868 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,500

Underlying: Common Stock · 54,500 shares

Expires 2033-02-09

F1 · derivative.exercise_date: On February 9, 2023, the reporting person was awarded a performance-based nonqualified stock option grant covering 100,000 shares of common stock. On February 8, 2024, the Compensation Committee of Calix, Inc. determined that the performance criteria governing 54.5% of the grant had been achieved, resulting in a nonqualified stock option award of 54,500 shares of common stock for the reporting person. The nonqualified stock option award shall vest: (i) as to 25% of the shares of common stock subject to the stock option award, on February 8, 2024; and (ii) as to the remaining 75% of the shares of common stock subject to the stock option award, quarterly in equal installments over 36 months from February 8, 2024.

SEC source: 0001406666-24-000004 · wk-form4_1707779244.xml · derivative · entry 1

Collins John Matthew · CIK 0001887165 · Chief Commercial Ops Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 109,000

Underlying: Common Stock · 109,000 shares

Expires 2033-02-09

F1 · derivative.exercise_date: On February 9, 2023, the reporting person was awarded a performance-based nonqualified stock option grant covering 200,000 shares of common stock. On February 8, 2024, the Compensation Committee of Calix, Inc. determined that the performance criteria governing 54.5% of the grant had been achieved, resulting in a nonqualified stock option award of 109,000 shares of common stock for the reporting person. The nonqualified stock option award shall vest: (i) as to 25% of the shares of common stock subject to the stock option award, on February 8, 2024; and (ii) as to the remaining 75% of the shares of common stock subject to the stock option award, quarterly in equal installments over 36 months from February 8, 2024.

SEC source: 0001406666-24-000002 · wk-form4_1706565214.xml · derivative · entry 5

Russo Carl · CIK 0001483757 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 120,000 shares

Expires 2024-01-28

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_date: 100% of the shares subject to the option were fully vested and exercisable on January 28, 2018.

SEC source: 0001406666-24-000002 · wk-form4_1706565214.xml · nonDerivative · entry 1

Russo Carl · CIK 0001483757 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,748,381

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: 0001406666-23-000043 · wk-form4_1701209643.xml · derivative · entry 1

Weening Michael · CIK 0001678385 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 120,000

Underlying: Common Stock (right to buy) · 120,000 shares

Expires 2033-11-27

F1 · derivative.exercise_date: 25% of the shares subject to the stock option grant will vest on November 27, 2024, with the remainder vesting quarterly thereafter in substantially equal installments over the next 36 months, subject to the reporting person's continued employment with Calix through the applicable vesting dates.

SEC source: 0001406666-23-000042 · wk-form4_1701209385.xml · derivative · entry 1

SINDELAR CORY · CIK 0001226868 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,000

Underlying: Common Stock (right to buy) · 100,000 shares

Expires 2033-11-27

F1 · derivative.exercise_date: 25% of the shares subject to the stock option grant will vest on November 27, 2024, with the remainder vesting quarterly thereafter in substantially equal installments over the next 36 months, subject to the reporting person's continued employment with Calix through the applicable vesting dates.

SEC source: 0001406666-23-000041 · wk-form4_1698699738.xml · derivative · entry 7

Collins John Matthew · CIK 0001887165 · Chief Commercial Ops Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 165,000

Underlying: Common Stock · 30,000 shares

Expires 2030-01-31

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_date: 175,000 of the shares subject to the option grant were fully vested and exercisable on July 31, 2023.

SEC source: 0001406666-23-000041 · wk-form4_1698699738.xml · derivative · entry 6

Collins John Matthew · CIK 0001887165 · Chief Commercial Ops Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock · 15,000 shares

Expires 2029-02-14

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 · derivative.exercise_date: 45,000 of the shares subject to the option grant were fully vested and exercisable on February 14, 2023.

SEC source: 0001406666-23-000041 · wk-form4_1698699738.xml · derivative · entry 5

Collins John Matthew · CIK 0001887165 · Chief Commercial Ops Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,171

Underlying: Common Stock · 15,000 shares

Expires 2027-08-01

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

F2 · derivative.exercise_date: 80,000 of the shares subject to the option grant were fully vested and exercisable on July 17, 2021.

SEC source: 0001406666-23-000041 · wk-form4_1698699738.xml · nonDerivative · entry 4

Collins John Matthew · CIK 0001887165 · Chief Commercial Ops Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · price: Shares sold between $32.39 and $34.12 per share at a weighted average price of $33.14. The reporting person will provide full information regarding the number of shares sold at each sale price upon request.

SEC source: 0001406666-23-000041 · wk-form4_1698699738.xml · nonDerivative · entry 3

Collins John Matthew · CIK 0001887165 · Chief Commercial Ops Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,000

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: 0001406666-23-000041 · wk-form4_1698699738.xml · nonDerivative · entry 2

Collins John Matthew · CIK 0001887165 · Chief Commercial Ops Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,000

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: 0001406666-23-000041 · wk-form4_1698699738.xml · nonDerivative · entry 1

Collins John Matthew · CIK 0001887165 · Chief Commercial Ops Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,000

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: 0001406666-24-000006 · wk-form4_1707779557.xml · nonDerivative · entry 1

Weening Michael · CIK 0001678385 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,685

F1 · shares: The reporting person is voluntarily reporting the acquisition of shares of the issuer's common stock pursuant to the Calix, Inc. Amended and Restated Employee Stock Purchase Plan ("ESPP") for the ESPP purchase period of February 15, 2022 through August 14, 2023. This transaction is exempt under Rule 16b-3(c).

F2 · price: In accordance with the ESPP, these shares were purchased based on 85% of the closing price of the issuer's common stock on August 14, 2023, the last trading day of the purchase period.

SEC source: 0001406666-23-000037 · wf-form4_169119297724181.xml · nonDerivative · entry 1

LISTWIN DONALD J · CIK 0001211436 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 497,533

F1 · price: Shares sold between $42.72 and $43.54 per share at a weighted average price of $43.15. The reporting person will provide full information regarding the number of shares sold at each sale price upon request.

SEC source: 0001406666-23-000036 · wf-form4_169040218245509.xml · derivative · entry 5

Collins John Matthew · CIK 0001887165 · Chief Commercial Ops Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,000

Underlying: Common Stock · 5,000 shares

Expires 2029-02-14

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 · derivative.exercise_date: 45,000 of the shares subject to the option grant were fully vested and exercisable on February 14, 2023.

SEC source: 0001406666-23-000036 · wf-form4_169040218245509.xml · derivative · entry 4

Collins John Matthew · CIK 0001887165 · Chief Commercial Ops Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,171

Underlying: Common Stock · 5,000 shares

Expires 2027-08-01

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

F2 · derivative.exercise_date: 80,000 of the shares subject to the option grant were fully vested and exercisable on July 17, 2021.

SEC source: 0001406666-23-000036 · wf-form4_169040218245509.xml · nonDerivative · entry 3

Collins John Matthew · CIK 0001887165 · Chief Commercial Ops Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · price: Shares sold between $46.42 and $47.59 per share at a weighted average price of $47.12. The reporting person will provide full information regarding the number of shares sold at each sale price upon request.

SEC source: 0001406666-23-000036 · wf-form4_169040218245509.xml · nonDerivative · entry 2

Collins John Matthew · CIK 0001887165 · Chief Commercial Ops Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,000

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: 0001406666-23-000036 · wf-form4_169040218245509.xml · nonDerivative · entry 1

Collins John Matthew · CIK 0001887165 · Chief Commercial Ops Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,000

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: 0001628280-23-018876 · wf-form4_168444081694963.xml · derivative · entry 3

LISTWIN DONALD J · CIK 0001211436 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,960 shares

Expires 2032-05-12

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

F2 · derivative.exercise_date: 100% of the shares subject to the option were fully vested and exercisable on May 12, 2023.

SEC source: 0001628280-23-018876 · wf-form4_168444081694963.xml · nonDerivative · entry 1

LISTWIN DONALD J · CIK 0001211436 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 597,533

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: 0001628280-23-017917 · wf-form4_168392322510790.xml · derivative · entry 1

Russo Carl · CIK 0001483757 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,160

Underlying: Common Stock · 7,160 shares

Expires 2033-05-11

F1 · derivative.exercise_date: The option vests and becomes exercisable with respect to 100% of the shares of common stock underlying the option on the earlier of (i) the one-year anniversary of the date of grant (May 11, 2023) or (ii) the day immediately preceding the date of the annual meeting of stockholders that occurs in the year following the year of grant.

SEC source: 0001628280-23-017925 · wf-form4_168392339919786.xml · derivative · entry 1

Mukherjee Rajatish · CIK 0001942773 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,160

Underlying: Common Stock · 7,160 shares

Expires 2033-05-11

F1 · derivative.exercise_date: The option vests and becomes exercisable with respect to 100% of the shares of common stock underlying the option on the earlier of (i) the one-year anniversary of the date of grant (May 11, 2023) or (ii) the day immediately preceding the date of the annual meeting of stockholders that occurs in the year following the year of grant.

SEC source: 0001628280-23-017919 · wf-form4_168392329910707.xml · derivative · entry 1

CRUSCO KATHLEEN M · CIK 0001237508 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,160

Underlying: Common Stock · 7,160 shares

Expires 2033-05-11

F1 · derivative.exercise_date: The option vests and becomes exercisable with respect to 100% of the shares of common stock underlying the option on the earlier of (i) the one-year anniversary of the date of grant (May 11, 2023) or (ii) the day immediately preceding the date of the annual meeting of stockholders that occurs in the year following the year of grant.

SEC source: 0001628280-23-017911 · wf-form4_168392303254271.xml · derivative · entry 1

Fields Eleanor · CIK 0001960298 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,160

Underlying: Common Stock · 7,160 shares

Expires 2033-05-11

F1 · derivative.exercise_date: The option vests and becomes exercisable with respect to 100% of the shares of common stock underlying the option on the earlier of (i) the one-year anniversary of the date of grant (May 11, 2023) or (ii) the day immediately preceding the date of the annual meeting of stockholders that occurs in the year following the year of grant.

SEC source: 0001628280-23-017913 · wf-form4_168392313567387.xml · derivative · entry 1

BOWICK CHRISTOPHER J · CIK 0001198471 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,160

Underlying: Common Stock · 7,160 shares

Expires 2033-05-11

F1 · derivative.exercise_date: The option vests and becomes exercisable with respect to 100% of the shares of common stock underlying the option on the earlier of (i) the one-year anniversary of the date of grant (May 11, 2023) or (ii) the day immediately preceding the date of the annual meeting of stockholders that occurs in the year following the year of grant.

SEC source: 0001628280-23-017908 · wf-form4_168392291357907.xml · derivative · entry 1

Peters Kevin Robert · CIK 0001622622 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,160

Underlying: Common Stock · 7,160 shares

Expires 2033-05-11

F1 · derivative.exercise_date: The option vests and becomes exercisable with respect to 100% of the shares of common stock underlying the option on the earlier of (i) the one-year anniversary of the date of grant (May 11, 2023) or (ii) the day immediately preceding the date of the annual meeting of stockholders that occurs in the year following the year of grant.

SEC source: 0001628280-23-017905 · wf-form4_168392284082839.xml · derivative · entry 1

Makagon Kira · CIK 0001586648 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,160

Underlying: Common Stock · 7,160 shares

Expires 2033-05-11

F1 · derivative.exercise_date: The option vests and becomes exercisable with respect to 100% of the shares of common stock underlying the option on the earlier of (i) the one-year anniversary of the date of grant (May 11, 2023) or (ii) the day immediately preceding the date of the annual meeting of stockholders that occurs in the year following the year of grant.

SEC source: 0001628280-23-017900 · wf-form4_168392271329878.xml · derivative · entry 1

LISTWIN DONALD J · CIK 0001211436 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,160

Underlying: Common Stock · 7,160 shares

Expires 2033-05-11

F1 · derivative.exercise_date: The option vests and becomes exercisable with respect to 100% of the shares of common stock underlying the option on the earlier of (i) the one-year anniversary of the date of grant (May 11, 2023) or (ii) the day immediately preceding the date of the annual meeting of stockholders that occurs in the year following the year of grant.

SEC source: 0001628280-23-019128 · wf-form4a_168453131584588.xml · derivative · entry 1

Russo Carl · CIK 0001483757 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,183

Underlying: Common Stock · 8,183 shares

Expires 2033-05-11

F1 · derivative.exercise_date: The option vests and becomes exercisable with respect to 100% of the shares of common stock underlying the option on the earlier of (i) the one-year anniversary of the date of grant (May 11, 2023) or (ii) the day immediately preceding the date of the annual meeting of stockholders that occurs in the year following the year of grant.

SEC source: 0001628280-23-019141 · wf-form4a_168453207116444.xml · derivative · entry 1

BOWICK CHRISTOPHER J · CIK 0001198471 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,183

Underlying: Common Stock · 8,183 shares

Expires 2033-05-11

F1 · derivative.exercise_date: The option vests and becomes exercisable with respect to 100% of the shares of common stock underlying the option on the earlier of (i) the one-year anniversary of the date of grant (May 11, 2023) or (ii) the day immediately preceding the date of the annual meeting of stockholders that occurs in the year following the year of grant.

SEC source: 0001628280-23-019139 · wf-form4a_168453190583123.xml · derivative · entry 1

LISTWIN DONALD J · CIK 0001211436 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,183

Underlying: Common Stock · 8,183 shares

Expires 2033-05-11

F1 · derivative.exercise_date: The option vests and becomes exercisable with respect to 100% of the shares of common stock underlying the option on the earlier of (i) the one-year anniversary of the date of grant (May 11, 2023) or (ii) the day immediately preceding the date of the annual meeting of stockholders that occurs in the year following the year of grant.

SEC source: 0001628280-23-019137 · wf-form4a_168453176938238.xml · derivative · entry 1

Peters Kevin Robert · CIK 0001622622 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,183

Underlying: Common Stock · 8,183 shares

Expires 2033-05-11

F1 · derivative.exercise_date: The option vests and becomes exercisable with respect to 100% of the shares of common stock underlying the option on the earlier of (i) the one-year anniversary of the date of grant (May 11, 2023) or (ii) the day immediately preceding the date of the annual meeting of stockholders that occurs in the year following the year of grant.

SEC source: 0001628280-23-019135 · wf-form4a_168453166637666.xml · derivative · entry 1

Mukherjee Rajatish · CIK 0001942773 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,183

Underlying: Common Stock · 8,183 shares

Expires 2033-05-11

F1 · derivative.exercise_date: The option vests and becomes exercisable with respect to 100% of the shares of common stock underlying the option on the earlier of (i) the one-year anniversary of the date of grant (May 11, 2023) or (ii) the day immediately preceding the date of the annual meeting of stockholders that occurs in the year following the year of grant.

SEC source: 0001628280-23-019130 · wf-form4a_168453145334394.xml · derivative · entry 1

Fields Eleanor · CIK 0001960298 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,183

Underlying: Common Stock · 8,183 shares

Expires 2033-05-11

F1 · derivative.exercise_date: The option vests and becomes exercisable with respect to 100% of the shares of common stock underlying the option on the earlier of (i) the one-year anniversary of the date of grant (May 11, 2023) or (ii) the day immediately preceding the date of the annual meeting of stockholders that occurs in the year following the year of grant.

SEC source: 0001628280-23-019132 · wf-form4a_168453154528916.xml · derivative · entry 1

CRUSCO KATHLEEN M · CIK 0001237508 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,183

Underlying: Common Stock · 8,183 shares

Expires 2033-05-11

F1 · derivative.exercise_date: The option vests and becomes exercisable with respect to 100% of the shares of common stock underlying the option on the earlier of (i) the one-year anniversary of the date of grant (May 11, 2023) or (ii) the day immediately preceding the date of the annual meeting of stockholders that occurs in the year following the year of grant.

SEC source: 0001628280-23-019125 · wf-form4a_168453116655667.xml · derivative · entry 1

Makagon Kira · CIK 0001586648 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,183

Underlying: Common Stock · 8,183 shares

Expires 2033-05-11

F1 · derivative.exercise_date: The option vests and becomes exercisable with respect to 100% of the shares of common stock underlying the option on the earlier of (i) the one-year anniversary of the date of grant (May 11, 2023) or (ii) the day immediately preceding the date of the annual meeting of stockholders that occurs in the year following the year of grant.

SEC source: 0001406666-23-000031 · wf-form4_168314908097983.xml · derivative · entry 3

Collins John Matthew · CIK 0001887165 · Chief Commercial Ops Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,171

Underlying: Common Stock · 5,000 shares

Expires 2027-08-01

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

F2 · derivative.exercise_date: 80,000 of the shares subject to the option grant were fully vested and exercisable on July 17, 2021.

SEC source: 0001406666-23-000031 · wf-form4_168314908097983.xml · nonDerivative · entry 2

Collins John Matthew · CIK 0001887165 · Chief Commercial Ops Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · price: Shares sold between $43.94 and $44.26 per share at a weighted average price of $44.10. The reporting person will provide full information regarding the number of shares sold at each sale price upon request.

SEC source: 0001406666-23-000031 · wf-form4_168314908097983.xml · nonDerivative · entry 1

Collins John Matthew · CIK 0001887165 · Chief Commercial Ops Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,000

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: 0001406666-23-000030 · wf-form4_168246452448360.xml · nonDerivative · entry 1

LISTWIN DONALD J · CIK 0001211436 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 587,573

SEC source: 0001406666-23-000019 · wf-form4_167658504251909.xml · nonDerivative · entry 1

Weening Michael · CIK 0001678385 · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,344

F1 · shares: The reporting person is voluntarily reporting the acquisition of shares of the issuer's common stock pursuant to the Calix, Inc. Amended and Restated Employee Stock Purchase Plan ("ESPP") for the ESPP purchase period of August 15, 2022 through February 14, 2023. This transaction is exempt under Rule 16b-3(c).

F2 · price: In accordance with the ESPP, these shares were purchased based on 85% of the closing price of the issuer's common stock on February 14, 2023, the last trading day of the purchase period.

SEC source: 0001406666-23-000020 · wf-form4_167658523966917.xml · nonDerivative · entry 1

SINDELAR CORY · CIK 0001226868 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,287

F1 · shares: The reporting person is voluntarily reporting the acquisition of shares of the issuer's common stock pursuant to the Calix, Inc. Amended and Restated Employee Stock Purchase Plan ("ESPP") for the ESPP purchase period of August 15, 2022 through February 14, 2023. This transaction is exempt under Rule 16b-3(c).

F2 · price: In accordance with the ESPP, these shares were purchased based on 85% of the closing price of the issuer's common stock on February 14, 2023, the last trading day of the purchase period.

SEC source: 0001406666-23-000014 · wf-form4_167607331581779.xml · derivative · entry 1

Eleniak Shane Todd Marshall · CIK 0001886143 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,000

Underlying: Common Stock · 65,000 shares

Expires 2032-02-10

F1 · derivative.exercise_date: On February 10, 2022, the reporting person was awarded a performance-based nonqualified stock option grant covering 65,000 shares of common stock. On February 9, 2023, the Compensation Committee of Calix, Inc. determined that the performance criteria governing 100% of the grant had been achieved, resulting in a nonqualified stock option award of 65,000 shares of common stock for the reporting person. The nonqualified stock option award shall vest: (i) as to 25% of the shares of common stock subject to the stock option award, on February 10, 2023; and (ii) as to the remaining 75% of the shares of common stock subject to the stock option award, quarterly in equal installments over 36 months from February 10, 2023.

SEC source: 0001406666-23-000017 · wf-form4_167607356732292.xml · derivative · entry 1

Weening Michael · CIK 0001678385 · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,000

Underlying: Common Stock · 100,000 shares

Expires 2032-02-10

F1 · derivative.exercise_date: On February 10, 2022, the reporting person was awarded a performance-based nonqualified stock option grant covering 100,000 shares of common stock. On February 9, 2023, the Compensation Committee of Calix, Inc. determined that the performance criteria governing 100% of the grant had been achieved, resulting in a nonqualified stock option award of 100,000 shares of common stock for the reporting person. The nonqualified stock option award shall vest: (i) as to 25% of the shares of common stock subject to the stock option award, on February 10, 2023; and (ii) as to the remaining 75% of the shares of common stock subject to the stock option award, quarterly in equal installments over 36 months from February 10, 2023.

SEC source: 0001406666-23-000013 · wf-form4_167607323927894.xml · derivative · entry 1

Russo Carl · CIK 0001483757 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,000

Underlying: Common Stock · 100,000 shares

Expires 2032-02-10

F1 · derivative.exercise_date: On February 10, 2022, the reporting person was awarded a performance-based nonqualified stock option grant covering 100,000 shares of common stock. On February 9, 2023, the Compensation Committee of Calix, Inc. determined that the performance criteria governing 100% of the grant had been achieved, resulting in a nonqualified stock option award of 100,000 shares of common stock for the reporting person. The nonqualified stock option award shall vest: (i) as to 25% of the shares of common stock subject to the stock option award, on February 10, 2023; and (ii) as to the remaining 75% of the shares of common stock subject to the stock option award, quarterly in equal installments over 36 months from February 10, 2023.

SEC source: 0001406666-23-000016 · wf-form4_167607349648720.xml · derivative · entry 1

SINDELAR CORY · CIK 0001226868 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,000

Underlying: Common Stock · 80,000 shares

Expires 2032-02-10

F1 · derivative.exercise_date: On February 10, 2022, the reporting person was awarded a performance-based nonqualified stock option grant covering 80,000 shares of common stock. On February 9, 2023, the Compensation Committee of Calix, Inc. determined that the performance criteria governing 100% of the grant had been achieved, resulting in a nonqualified stock option award of 80,000 shares of common stock for the reporting person. The nonqualified stock option award shall vest: (i) as to 25% of the shares of common stock subject to the stock option award, on February 10, 2023; and (ii) as to the remaining 75% of the shares of common stock subject to the stock option award, quarterly in equal installments over 36 months from February 10, 2023.

SEC source: 0001406666-23-000015 · wf-form4_167607338013285.xml · derivative · entry 1

Collins John Matthew · CIK 0001887165 · Chief Commercial Ops Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,000

Underlying: Common Stock · 65,000 shares

Expires 2032-02-10

F1 · derivative.exercise_date: On February 10, 2022, the reporting person was awarded a performance-based nonqualified stock option grant covering 65,000 shares of common stock. On February 9, 2023, the Compensation Committee of Calix, Inc. determined that the performance criteria governing 100% of the grant had been achieved, resulting in a nonqualified stock option award of 65,000 shares of common stock for the reporting person. The nonqualified stock option award shall vest: (i) as to 25% of the shares of common stock subject to the stock option award, on February 10, 2023; and (ii) as to the remaining 75% of the shares of common stock subject to the stock option award, quarterly in equal installments over 36 months from February 10, 2023.

SEC source: 0001406666-23-000012 · wf-form4_167571491295257.xml · derivative · entry 3

Collins John Matthew · CIK 0001887165 · Chief Commercial Ops Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,171

Underlying: Common Stock · 5,000 shares

Expires 2027-08-01

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

F2 · derivative.exercise_date: 80,000 of the shares subject to the option grant were fully vested and exercisable on July 17, 2021.