FIVN

SEC source: 0001288847-24-000137 · wk-form4_1725659238.xml · nonDerivative · entry 1

Burkland Michael · CIK 0001604097 · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 253,488

F1 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units.

F2 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 12, 2024.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.89 to $30.83, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001288847-24-000136 · wk-form4_1725657119.xml · nonDerivative · entry 1

Dignan Andy · CIK 0002000932 · CHIEF OPERATING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 119,927

F1 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units. The sales reported in this Form 4 were effected in accordance with Five9, Inc.s previously established sell to cover withholding policy, the Corporations Policy.

F2 · price: The price reported in Column 4 is a weighted average price applied to the transaction by the broker under the Corporations Policy for sales to cover taxes upon vesting of restricted stock units for all individuals, including the reporting person subject to the Corporations Policy on the date such sales occurred. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001288847-24-000135 · wk-form4_1725656967.xml · nonDerivative · entry 1

Burkland Daniel P. · CIK 0001604052 · Pres. & Chief Revenue Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 128,926

F1 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units.

F2 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 13, 2024.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.21 to $30.67, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001288847-24-000134 · wk-form4_1725656443.xml · nonDerivative · entry 2

Kozanian Panos · CIK 0001940974 · EVP, Product Engineering

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 76,628

F2 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 13, 2024.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.18 to $30.66, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001288847-24-000134 · wk-form4_1725656443.xml · nonDerivative · entry 1

Kozanian Panos · CIK 0001940974 · EVP, Product Engineering

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 80,258

F1 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units.

F2 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 13, 2024.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.66 to $30.18, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001288847-24-000128 · wk-form4_1724877781.xml · nonDerivative · entry 2

Burkland Daniel P. · CIK 0001604052 · Pres. & Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 132,554

F2 · shares: The reported sales were to cover taxes upon the vesting of performance-based RSUs.

F3 · price: The price reported in Column 4 is a weighted average price applied to the transaction by the broker under the Corporations Policy for sales to cover taxes upon vesting of restricted stock units for all individuals, including the reporting person subject to the Corporations Policy on the date such sales occurred. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001288847-24-000128 · wk-form4_1724877781.xml · nonDerivative · entry 1

Burkland Daniel P. · CIK 0001604052 · Pres. & Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 135,159

F1 · shares: Settlement of non-derivative performance-based RSUs

SEC source: 0001288847-24-000105 · wk-form4_1722893163.xml · nonDerivative · entry 2

Burkland Daniel P. · CIK 0001604052 · Pres. & Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 130,079

F2 · shares: The reported sales were to cover taxes upon the vesting of performance-based RSU's.

F3 · price: The price reported in Column 4 is a weighted average price applied to the transaction by the broker under the Corporations Policy for sales to cover taxes upon vesting of restricted stock units for all individuals, including the reporting person subject to the Corporations Policy on the date such sales occurred. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001288847-24-000105 · wk-form4_1722893163.xml · nonDerivative · entry 1

Burkland Daniel P. · CIK 0001604052 · Pres. & Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 132,716

F1 · shares: Settlement of non-derivative performance-based RSUs

SEC source: 0001288847-24-000096 · wk-form4_1721333888.xml · nonDerivative · entry 1

ZWARENSTEIN BARRY · CIK 0001227348 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 85,121

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 4, 2024.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.00 to $45.05, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001288847-24-000095 · wk-form4_1718396398.xml · nonDerivative · entry 2

Kozanian Panos · CIK 0001940974 · EVP, Product Engineering

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 84,245

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 13, 2024.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.59 to $45.47, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001288847-24-000095 · wk-form4_1718396398.xml · nonDerivative · entry 1

Kozanian Panos · CIK 0001940974 · EVP, Product Engineering

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 90,437

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 13, 2024.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.58 to $44.58, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001288847-24-000094 · wk-form4_1718396338.xml · nonDerivative · entry 2

ZWARENSTEIN BARRY · CIK 0001227348 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 91,328

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 4, 2024.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.00 to $45.14, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001288847-24-000094 · wk-form4_1718396338.xml · nonDerivative · entry 1

ZWARENSTEIN BARRY · CIK 0001227348 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 106,140

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 4, 2024.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.03 to $45.06, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001288847-24-000093 · wk-form4_1718226467.xml · nonDerivative · entry 2

ZWARENSTEIN BARRY · CIK 0001227348 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 107,255

F2 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 4, 2024.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.73 to $43.20, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001288847-24-000093 · wk-form4_1718226467.xml · nonDerivative · entry 1

ZWARENSTEIN BARRY · CIK 0001227348 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 110,573

F1 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units.

F2 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 4, 2024.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.32 to $42.73, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F4 · balance_after: Includes 344 shares acquired under the Five9, Inc. Employee Stock Purchase Plan on May 15, 2024.

SEC source: 0001288847-24-000092 · wk-form4_1717706074.xml · nonDerivative · entry 1

Burkland Daniel P. · CIK 0001604052 · Pres. & Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 127,635

F1 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units. The sales reported in this Form 4 were effected in accordance with Five9, Inc.s previously established sell to cover withholding policy, the Corporations Policy.

F2 · price: The price reported in Column 4 is a weighted average price applied to the transaction by the broker under the Corporations Policy for sales to cover taxes upon vesting of restricted stock units for all individuals, including the reporting person subject to the Corporations Policy on the date such sales occurred. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

F3 · balance_after: Includes 344 shares acquired under the Five9, Inc. Employee Stock Purchase Plan on May 15, 2024.

SEC source: 0001288847-24-000090 · wk-form4_1717705926.xml · nonDerivative · entry 2

Mansharamani Leena · CIK 0001846877 · SVP, Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 38,267

F5 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units. The sales reported in this Form 4 were effected in accordance with Five9, Inc.s previously established sell to cover withholding policy, the Corporations Policy.

F6 · price: The price reported in Column 4 is a weighted average price applied to the transaction by the broker under the Corporations Policy for sales to cover taxes upon vesting of restricted stock units for all individuals, including the reporting person subject to the Corporations Policy on the date such sales occurred. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001288847-24-000090 · wk-form4_1717705926.xml · nonDerivative · entry 1

Mansharamani Leena · CIK 0001846877 · SVP, Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 38,544

F1 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units.

F2 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 13, 2023.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.21 to $46.58, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F4 · balance_after: Includes 344 shares acquired under the Five9, Inc. Employee Stock Purchase Plan on May 15, 2024.

SEC source: 0001288847-24-000091 · wk-form4_1717705987.xml · nonDerivative · entry 1

Burkland Michael · CIK 0001604097 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 266,083

F1 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units. The sales reported in this Form 4 were effected in accordance with Five9, Inc.s previously established sell to cover withholding policy, the Corporations Policy.

F2 · price: The price reported in Column 4 is a weighted average price applied to the transaction by the broker under the Corporations Policy for sales to cover taxes upon vesting of restricted stock units for all individuals, including the reporting person subject to the Corporations Policy on the date such sales occurred. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0001288847-24-000088 · wk-form4_1717705652.xml · nonDerivative · entry 1

Kozanian Panos · CIK 0001940974 · EVP, Product Engineering

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,477

F1 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units. The sales reported in this Form 4 were effected in accordance with Five9, Inc.s previously established sell to cover withholding policy, the Corporations Policy.

F2 · price: The price reported in Column 4 is a weighted average price applied to the transaction by the broker under the Corporations Policy for sales to cover taxes upon vesting of restricted stock units for all individuals, including the reporting person subject to the Corporations Policy on the date such sales occurred. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

F3 · balance_after: Includes 344 shares acquired under the Five9, Inc. Employee Stock Purchase Plan on May 15, 2024.

SEC source: 0001288847-24-000089 · wk-form4_1717705845.xml · nonDerivative · entry 1

Dignan Andy · CIK 0002000932 · CHIEF OPERATING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 124,172

F1 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units. The sales reported in this Form 4 were effected in accordance with Five9, Inc.s previously established sell to cover withholding policy, the Corporations Policy.

F2 · price: The price reported in Column 4 is a weighted average price applied to the transaction by the broker under the Corporations Policy for sales to cover taxes upon vesting of restricted stock units for all individuals, including the reporting person subject to the Corporations Policy on the date such sales occurred. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

F3 · balance_after: Includes 344 shares acquired under the Five9, Inc. Employee Stock Purchase Plan on May 15, 2024.

SEC source: 0001288847-24-000087 · wk-form4_1716413010.xml · nonDerivative · entry 2

Walker Maria C · CIK 0001826519 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,439

SEC source: 0001288847-24-000087 · wk-form4_1716413010.xml · nonDerivative · entry 1

Walker Maria C · CIK 0001826519 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,626

SEC source: 0001288847-24-000076 · wk-form4_1715891712.xml · nonDerivative · entry 1

Iskow Julie · CIK 0001776078 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,305

SEC source: 0001288847-24-000078 · wk-form4_1715891865.xml · nonDerivative · entry 1

Barsamian Sue · CIK 0001742302 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,095

SEC source: 0001288847-24-000079 · wk-form4_1715891928.xml · nonDerivative · entry 1

ACOSTA JACK L · CIK 0001225954 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,556

SEC source: 0001288847-24-000077 · wk-form4_1715891772.xml · nonDerivative · entry 1

Burdiek Michael J · CIK 0001324293 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,020

SEC source: 0001288847-24-000075 · wk-form4_1715891474.xml · nonDerivative · entry 1

Welsh David S. · CIK 0001603743 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,955

SEC source: 0001288847-24-000073 · wk-form4_1715891240.xml · nonDerivative · entry 1

ZOLLARS ROBERT · CIK 0001231089 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,531

SEC source: 0001288847-24-000029 · wk-form4_1709939592.xml · nonDerivative · entry 3

Dignan Andy · CIK 0002000932 · CHIEF OPERATING OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 129,559

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 7, 2023.

SEC source: 0001288847-24-000029 · wk-form4_1709939592.xml · nonDerivative · entry 2

Dignan Andy · CIK 0002000932 · CHIEF OPERATING OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 129,659

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 7, 2023.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $57.57 to $58.52, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001288847-24-000029 · wk-form4_1709939592.xml · nonDerivative · entry 1

Dignan Andy · CIK 0002000932 · CHIEF OPERATING OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 131,760

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 7, 2023.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $56.55 to $57.55, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001288847-24-000025 · wk-form4_1709762793.xml · nonDerivative · entry 3

ZWARENSTEIN BARRY · CIK 0001227348 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 117,202

F4 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units.

SEC source: 0001288847-24-000025 · wk-form4_1709762793.xml · nonDerivative · entry 2

ZWARENSTEIN BARRY · CIK 0001227348 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 121,922

F2 · shares: The reported sales were to cover taxes upon the vesting of performance-based RSUs.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $58.39 to $58.78, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001288847-24-000024 · wk-form4_1709762707.xml · nonDerivative · entry 3

Burkland Daniel P. · CIK 0001604052 · Pres. & Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 134,989

F2 · shares: The reported sales were to cover taxes upon the vesting of performance-based RSUs.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $58.28 to $58.42, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001288847-24-000024 · wk-form4_1709762707.xml · nonDerivative · entry 2

Burkland Daniel P. · CIK 0001604052 · Pres. & Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 141,398

F2 · shares: The reported sales were to cover taxes upon the vesting of performance-based RSUs.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $58.26 to $58.28, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001288847-24-000023 · wk-form4_1709762615.xml · nonDerivative · entry 1

Dignan Andy · CIK 0002000932 · CHIEF OPERATING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 136,899

F1 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $58.85 to $59.17, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001288847-24-000022 · wk-form4_1709762535.xml · nonDerivative · entry 6

Kozanian Panos · CIK 0001940974 · EVP, Product Engineering

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 101,026

F1 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $59.00 to $59.22 inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001288847-24-000022 · wk-form4_1709762535.xml · nonDerivative · entry 5

Kozanian Panos · CIK 0001940974 · EVP, Product Engineering

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 101,897

F7 · shares: The reported sales were to cover taxes upon the vesting of performance-based RSUs.

SEC source: 0001288847-24-000020 · wk-form4_1709762280.xml · nonDerivative · entry 4

Burkland Michael · CIK 0001604097 · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 278,469

F5 · shares: The reported sales were to cover taxes upon the vesting of performance-based RSUs.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $58.37 to $58.54, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001288847-24-000020 · wk-form4_1709762280.xml · nonDerivative · entry 3

Burkland Michael · CIK 0001604097 · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 284,071

F5 · shares: The reported sales were to cover taxes upon the vesting of performance-based RSUs.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $57.37 to $58.36, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001288847-24-000025 · wk-form4_1709762793.xml · nonDerivative · entry 1

ZWARENSTEIN BARRY · CIK 0001227348 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 124,247

F1 · shares: Settlement of non-derivative performance-based RSUs

SEC source: 0001288847-24-000024 · wk-form4_1709762707.xml · nonDerivative · entry 1

Burkland Daniel P. · CIK 0001604052 · Pres. & Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 146,565

F1 · shares: Settlement of non-derivative performance-based RSUs

SEC source: 0001288847-24-000022 · wk-form4_1709762535.xml · nonDerivative · entry 4

Kozanian Panos · CIK 0001940974 · EVP, Product Engineering

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 103,324

F6 · shares: Settlement of non-derivative performance-based RSUs

SEC source: 0001288847-24-000022 · wk-form4_1709762535.xml · nonDerivative · entry 3

Kozanian Panos · CIK 0001940974 · EVP, Product Engineering

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 99,625

F2 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 14, 2022.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $60.40 to $61.11 inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001288847-24-000022 · wk-form4_1709762535.xml · nonDerivative · entry 2

Kozanian Panos · CIK 0001940974 · EVP, Product Engineering

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 105,305

F1 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units.

F2 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 14, 2022.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $60.29 to $60.40, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001288847-24-000022 · wk-form4_1709762535.xml · nonDerivative · entry 1

Kozanian Panos · CIK 0001940974 · EVP, Product Engineering

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 107,319

F1 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units.

F2 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 14, 2022.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $59.27 to $60.26, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001288847-24-000021 · wk-form4_1709762395.xml · nonDerivative · entry 2

Mansharamani Leena · CIK 0001846877 · SVP, Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 39,465

F1 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units.

F2 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 13, 2023.

F4 · balance_after: Includes 6 shares acquired under the Five9, Inc. Employee Stock Purchase Plan on November 15, 2023.

SEC source: 0001288847-24-000021 · wk-form4_1709762395.xml · nonDerivative · entry 1

Mansharamani Leena · CIK 0001846877 · SVP, Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 39,470

F1 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units.

F2 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 13, 2023.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $59.36 to 60.33, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.