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Nasdaq · USD

FIVN

Five9, Inc.

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Tapewire entity
4346
SEC CIK
0001288847
Parsed reports
718

Last 12 months

Inside the activity.

1 purchase rows · 56 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202511
Dec 2025012
Jan 202600
Feb 202600
Mar 202609
Apr 202600
May 202602
Jun 2026014
Jul 202600
Aug 202601
Sep 2026017
Oct 202600

Latest available

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
September 17, 2026 Filed Sep 21, 2026 20:18 UTC
Dignan AndyPresident
SaleCommon Stock 6,986 $35.00 $244,510.00
Disclosure

SEC source: 0002000932-26-000018 · wk-form4_1790021887.xml · nonDerivative · entry 1

Dignan Andy · CIK 0002000932 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 237,614

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 2, 2025.

Read SEC document
September 15, 2026 Filed Sep 16, 2026 20:09 UTC
Mansharamani LeenaSVP, Chief Accounting Officer
GiftCommon Stock 630 $0.00 $0.00
Disclosure

SEC source: 0001846877-26-000014 · wk-form4_1789589364.xml · nonDerivative · entry 1

Mansharamani Leena · CIK 0001846877 · SVP, Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,787

F1 · shares: The Reporting Person transferred these securities in bona fide gifts to two separate trusts.

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September 08, 2026 Filed Sep 9, 2026 20:17 UTC
Lee Bryan MChief Financial Officer
SaleCommon Stock 1,310 $32.60 $42,706.00
Disclosure

SEC source: 0002063775-26-000013 · wk-form4_1788985047.xml · nonDerivative · entry 4

Lee Bryan M · CIK 0002063775 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 289,333

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 3, 2025.

Read SEC document
September 08, 2026 Filed Sep 9, 2026 20:15 UTC
Meriweather Tiffany N.Chief Admin. & Legal Officer
SaleCommon Stock 5,114 $31.55 $161,346.70
Disclosure

SEC source: 0001886762-26-000014 · wk-form4_1788984942.xml · nonDerivative · entry 3

Meriweather Tiffany N. · CIK 0001886762 · Chief Admin. & Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 253,249

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 May 21, 2026.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.12 to $31.97, 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.

Read SEC document
September 08, 2026 Filed Sep 9, 2026 20:14 UTC
Dignan AndyPresident
SaleCommon Stock 2,746 $31.57 $86,691.22
Disclosure

SEC source: 0002000932-26-000015 · wk-form4_1788984839.xml · nonDerivative · entry 4

Dignan Andy · CIK 0002000932 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 244,600

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 2, 2025.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.12 to $32.01, 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.

Read SEC document
September 08, 2026 Filed Sep 8, 2026 23:06 UTC
Mansharamani LeenaSVP, Chief Accounting Officer
SaleCommon Stock 1,253 $31.53 $39,507.09
Disclosure

SEC source: 0001846877-26-000012 · wk-form4_1788908804.xml · nonDerivative · entry 5

Mansharamani Leena · CIK 0001846877 · SVP, Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 52,417

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 June 4, 2026.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.17 to $31.92, 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.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 20:17 UTC
Lee Bryan MChief Financial Officer
SaleCommon Stock 4,995 $33.45 $167,082.75
Disclosure

SEC source: 0002063775-26-000013 · wk-form4_1788985047.xml · nonDerivative · entry 3

Lee Bryan M · CIK 0002063775 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 290,643

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.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 20:17 UTC
Lee Bryan MChief Financial Officer
SaleCommon Stock 7,813 $33.52 $261,891.76
Disclosure

SEC source: 0002063775-26-000013 · wk-form4_1788985047.xml · nonDerivative · entry 2

Lee Bryan M · CIK 0002063775 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 295,638

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 3, 2025.

F2 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.36 to $33.75, 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.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 20:17 UTC
Lee Bryan MChief Financial Officer
SaleCommon Stock 6,500 $33.05 $214,825.00
Disclosure

SEC source: 0002063775-26-000013 · wk-form4_1788985047.xml · nonDerivative · entry 1

Lee Bryan M · CIK 0002063775 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 303,451

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 3, 2025.

F2 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32.35 to $33.35, 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.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 20:15 UTC
Meriweather Tiffany N.Chief Admin. & Legal Officer
SaleCommon Stock 7,809 $33.51 $261,679.59
Disclosure

SEC source: 0001886762-26-000014 · wk-form4_1788984942.xml · nonDerivative · entry 2

Meriweather Tiffany N. · CIK 0001886762 · Chief Admin. & Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 258,363

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 May 21, 2026.

F2 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.36 to $33.77, 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.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 20:15 UTC
Meriweather Tiffany N.Chief Admin. & Legal Officer
SaleCommon Stock 5,600 $33.02 $184,912.00
Disclosure

SEC source: 0001886762-26-000014 · wk-form4_1788984942.xml · nonDerivative · entry 1

Meriweather Tiffany N. · CIK 0001886762 · Chief Admin. & Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 266,172

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 May 21, 2026.

F2 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32.35 to $33.35, 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.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 20:14 UTC
Dignan AndyPresident
SaleCommon Stock 3,295 $33.45 $110,217.75
Disclosure

SEC source: 0002000932-26-000015 · wk-form4_1788984839.xml · nonDerivative · entry 3

Dignan Andy · CIK 0002000932 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 247,346

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.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 20:14 UTC
Dignan AndyPresident
SaleCommon Stock 4,379 $33.51 $146,740.29
Disclosure

SEC source: 0002000932-26-000015 · wk-form4_1788984839.xml · nonDerivative · entry 2

Dignan Andy · CIK 0002000932 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 250,641

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 2, 2025.

F2 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.36 to $33.75, 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.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 20:14 UTC
Dignan AndyPresident
SaleCommon Stock 2,900 $33.00 $95,700.00
Disclosure

SEC source: 0002000932-26-000015 · wk-form4_1788984839.xml · nonDerivative · entry 1

Dignan Andy · CIK 0002000932 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 255,020

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 2, 2025.

F2 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32.35 to $33.34, 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.

Read SEC document
September 04, 2026 Filed Sep 8, 2026 23:06 UTC
Mansharamani LeenaSVP, Chief Accounting Officer
SaleCommon Stock 201 $33.71 $6,775.71
Disclosure

SEC source: 0001846877-26-000012 · wk-form4_1788908804.xml · nonDerivative · entry 4

Mansharamani Leena · CIK 0001846877 · SVP, Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 53,670

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 June 4, 2026.

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

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.69 to $33.75, 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.

Read SEC document
September 04, 2026 Filed Sep 8, 2026 23:06 UTC
Mansharamani LeenaSVP, Chief Accounting Officer
SaleCommon Stock 2,505 $33.32 $83,466.60
Disclosure

SEC source: 0001846877-26-000012 · wk-form4_1788908804.xml · nonDerivative · entry 3

Mansharamani Leena · CIK 0001846877 · SVP, Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 53,871

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 June 4, 2026.

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

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32.65 to $33.65, 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.

Read SEC document
September 03, 2026 Filed Sep 8, 2026 23:06 UTC
Mansharamani LeenaSVP, Chief Accounting Officer
SaleCommon Stock 100 $35.05 $3,505.00
Disclosure

SEC source: 0001846877-26-000012 · wk-form4_1788908804.xml · nonDerivative · entry 2

Mansharamani Leena · CIK 0001846877 · SVP, Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 56,376

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 June 4, 2026.

Read SEC document
September 03, 2026 Filed Sep 8, 2026 23:06 UTC
Mansharamani LeenaSVP, Chief Accounting Officer
SaleCommon Stock 2,558 $34.19 $87,458.02
Disclosure

SEC source: 0001846877-26-000012 · wk-form4_1788908804.xml · nonDerivative · entry 1

Mansharamani Leena · CIK 0001846877 · SVP, Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 56,476

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 June 4, 2026.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.98 to $34.57, 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.

F3 · balance_after: Includes 1,336 shares acquired under the Five9, Inc. Employee Stock Purchase Plan on May 15, 2026.

Read SEC document
August 28, 2026 Filed Sep 1, 2026 21:59 UTC
Dignan AndyPresident
SaleCommon Stock 17,767 $35.03 $622,378.01
Disclosure

SEC source: 0002000932-26-000010 · wk-form4_1788299954.xml · nonDerivative · entry 1

Dignan Andy · CIK 0002000932 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 257,920

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 2, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.00 to $35.16, 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.

Read SEC document
July 13, 2026 Filed Jul 15, 2026 20:10 UTC
Hornish RobertChief Sales Officer
GrantCommon Stock 121,444 $0.00 $0.00
Disclosure

SEC source: 0002144579-26-000004 · wk-form4_1784146242.xml · nonDerivative · entry 1

Hornish Robert · CIK 0002144579 · Chief Sales Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 121,444

Read SEC document
July 13, 2026 Filed Jul 15, 2026 20:10 UTC
Vijayaragavan NiranjanChief Technology Officer
GrantCommon Stock 207,734 $0.00 $0.00
Disclosure

SEC source: 0002143890-26-000004 · wk-form4_1784146220.xml · nonDerivative · entry 1

Vijayaragavan Niranjan · CIK 0002143890 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 207,734

Read SEC document
June 05, 2026 Filed Jun 8, 2026 21:25 UTC
Lee Bryan MChief Financial Officer
SaleCommon Stock 1,511 $24.25 $36,641.75
Disclosure

SEC source: 0002063775-26-000008 · wk-form4_1780953905.xml · nonDerivative · entry 5

Lee Bryan M · CIK 0002063775 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 309,951

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 3, 2025.

Read SEC document
June 05, 2026 Filed Jun 8, 2026 21:23 UTC
Dignan AndyPresident
SaleCommon Stock 3,073 $24.25 $74,520.25
Disclosure

SEC source: 0002000932-26-000008 · wk-form4_1780953808.xml · nonDerivative · entry 5

Dignan Andy · CIK 0002000932 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 275,687

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 2, 2025.

Read SEC document
June 04, 2026 Filed Jun 8, 2026 21:25 UTC
Lee Bryan MChief Financial Officer
SaleCommon Stock 4,313 $24.81 $107,005.53
Disclosure

SEC source: 0002063775-26-000008 · wk-form4_1780953905.xml · nonDerivative · entry 4

Lee Bryan M · CIK 0002063775 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 311,462

F6 · 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.

F7 · 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.

Read SEC document
June 04, 2026 Filed Jun 8, 2026 21:25 UTC
Lee Bryan MChief Financial Officer
SaleCommon Stock 1,406 $25.69 $36,120.14
Disclosure

SEC source: 0002063775-26-000008 · wk-form4_1780953905.xml · nonDerivative · entry 3

Lee Bryan M · CIK 0002063775 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 315,775

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 3, 2025.

F2 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.64 to $25.83, 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.

Read SEC document
June 04, 2026 Filed Jun 8, 2026 21:25 UTC
Lee Bryan MChief Financial Officer
SaleCommon Stock 6,107 $25.13 $153,468.91
Disclosure

SEC source: 0002063775-26-000008 · wk-form4_1780953905.xml · nonDerivative · entry 2

Lee Bryan M · CIK 0002063775 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 317,181

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 3, 2025.

F2 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.62 to $25.62, 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.

Read SEC document
June 04, 2026 Filed Jun 8, 2026 21:25 UTC
Lee Bryan MChief Financial Officer
SaleCommon Stock 4,794 $24.16 $115,823.04
Disclosure

SEC source: 0002063775-26-000008 · wk-form4_1780953905.xml · nonDerivative · entry 1

Lee Bryan M · CIK 0002063775 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 323,288

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 3, 2025.

F2 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.60 to $24.60, 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.

Read SEC document
June 04, 2026 Filed Jun 8, 2026 21:32 UTC
Meriweather Tiffany N.Chief Admin. & Legal Officer
SaleCommon Stock 9,526 $24.81 $236,340.06
Disclosure

SEC source: 0001886762-26-000011 · wk-form4_1780954364.xml · nonDerivative · entry 1

Meriweather Tiffany N. · CIK 0001886762 · Chief Admin. & Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 271,772

F1 · shares: The sale reported on this form represents a Five9, Inc. mandated sale by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units, and it does not represent a discretionary trade by the Reporting Person.

F2 · price: The price reported in Column 4 is a weighted average price applied to the transaction by the broker for sales to cover taxes upon vesting of restricted stock units for all employees of Five9, Inc., including the Reporting Person, 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.

Read SEC document
June 04, 2026 Filed Jun 8, 2026 21:30 UTC
Kozanian PanosEVP, Product Engineering
SaleCommon Stock 5,869 $24.81 $145,609.89
Disclosure

SEC source: 0001940974-26-000009 · wk-form4_1780954211.xml · nonDerivative · entry 1

Kozanian Panos · CIK 0001940974 · EVP, Product Engineering

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 161,671

F1 · shares: The sale reported on this form represents a Five9, Inc. mandated sale by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units, and it does not represent a discretionary trade by the Reporting Person.

F2 · price: The price reported in Column 4 is a weighted average price applied to the transaction by the broker for sales to cover taxes upon vesting of restricted stock units for all employees of Five9, Inc., including the Reporting Person, 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.

Read SEC document
June 04, 2026 Filed Jun 8, 2026 21:27 UTC
Mansharamani LeenaSVP, Chief Accounting Officer
SaleCommon Stock 2,556 $24.81 $63,414.36
Disclosure

SEC source: 0001846877-26-000010 · wk-form4_1780954029.xml · nonDerivative · entry 1

Mansharamani Leena · CIK 0001846877 · SVP, Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,698

F1 · shares: The sale reported on this form represents a Five9, Inc. mandated sale by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units, and it does not represent a discretionary trade by the Reporting Person.

F2 · price: The price reported in Column 4 is a weighted average price applied to the transaction by the broker for sales to cover taxes upon vesting of restricted stock units for all employees of Five9, Inc., including the Reporting Person, 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.

Read SEC document
June 04, 2026 Filed Jun 8, 2026 21:27 UTC
Tuckness Matthew E.Chief Revenue Officer
SaleCommon Stock 8,645 $24.81 $214,482.45
Disclosure

SEC source: 0002080340-26-000010 · wk-form4_1780954071.xml · nonDerivative · entry 1

Tuckness Matthew E. · CIK 0002080340 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 281,492

F1 · shares: The sale reported on this form represents a Five9, Inc. mandated sale by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units, and it does not represent a discretionary trade by the Reporting Person.

F2 · price: The price reported in Column 4 is a weighted average price applied to the transaction by the broker for sales to cover taxes upon vesting of restricted stock units for all employees of Five9, Inc., including the Reporting Person, 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.

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June 04, 2026 Filed Jun 8, 2026 21:23 UTC
Dignan AndyPresident
SaleCommon Stock 2,558 $24.81 $63,463.98
Disclosure

SEC source: 0002000932-26-000008 · wk-form4_1780953808.xml · nonDerivative · entry 4

Dignan Andy · CIK 0002000932 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 278,760

F6 · 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.

F7 · 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.

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June 04, 2026 Filed Jun 8, 2026 21:23 UTC
Dignan AndyPresident
SaleCommon Stock 545 $25.68 $13,995.60
Disclosure

SEC source: 0002000932-26-000008 · wk-form4_1780953808.xml · nonDerivative · entry 3

Dignan Andy · CIK 0002000932 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 281,318

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 2, 2025.

F2 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.65 to $25.83, 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.

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June 04, 2026 Filed Jun 8, 2026 21:23 UTC
Dignan AndyPresident
SaleCommon Stock 2,700 $25.07 $67,689.00
Disclosure

SEC source: 0002000932-26-000008 · wk-form4_1780953808.xml · nonDerivative · entry 2

Dignan Andy · CIK 0002000932 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 281,863

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 2, 2025.

F2 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.63 to $25.62, 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.

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June 04, 2026 Filed Jun 8, 2026 21:23 UTC
Dignan AndyPresident
SaleCommon Stock 2,400 $24.15 $57,960.00
Disclosure

SEC source: 0002000932-26-000008 · wk-form4_1780953808.xml · nonDerivative · entry 1

Dignan Andy · CIK 0002000932 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 284,563

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 2, 2025.

F2 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.58 to $24.55, 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.

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May 20, 2026 Filed May 22, 2026 21:55 UTC
Gupta SagarDirector
GrantCommon Stock 8,972 $0.00 $0.00
Disclosure

SEC source: 0001288847-26-000098 · wk-form4_1779486901.xml · nonDerivative · entry 1

Gupta Sagar · CIK 0001916410 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,349

F1 · shares: On May 20, 2026, Five9, Inc. (the "Issuer") granted a total of 8,972 restricted stock units ("RSUs") of the Issuer to Sagar Gupta, a member of the Issuer's board of directors (the "Board") in respect of his service on the Board. Mr. Gupta holds these RSUs for the benefit of certain investment funds (the "Anson Funds") for which Anson Advisors Inc. and AnsonFunds Management LP serve as co-investment advisors. Each RSU represents a contingent right to receive one share of Common Stock. The RSUs will vest on the one-year anniversary of the grant date, or immediately prior to the Company's next annual meeting of the Company's stockholders at which directors are regularly elected.

F2 · shares: Because Mr. Gupta serves on the Board as a representative of the Anson Funds, Mr. Gupta does not have a right to any economic interest in securities of the Issuer granted to him by the Issuer in respect of his Board position. The Anson Funds are entitled to receive all of the economic interest in securities granted to Mr. Gupta by the Issuer in respect of Mr. Gupta's Board position. Mr. Gupta disclaims beneficial ownership of the Issuer's securities to which this report relates and at no time has Mr. Gupta had any economic interest in such securities except any indirect economic interest through Anson Funds, entities in which he does not have a controlling interest and over which he does not have investment control.

F3 · ownership.direct: As discussed in footnotes 1 and 2, represents securities in which the Anson Funds have all of the economic interest.

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May 20, 2026 Filed May 22, 2026 21:47 UTC GrantCommon Stock 8,972 $0.00 $0.00
Disclosure

SEC source: 0001063663-26-000006 · wk-form4_1779486431.xml · nonDerivative · entry 1

MARINER JONATHAN D · CIK 0001063663 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,147

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May 20, 2026 Filed May 22, 2026 21:46 UTC
Iskow JulieDirector
GrantCommon Stock 8,972 $0.00 $0.00
Disclosure

SEC source: 0001776078-26-000012 · wk-form4_1779486367.xml · nonDerivative · entry 1

Iskow Julie · CIK 0001776078 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,117

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May 20, 2026 Filed May 22, 2026 21:52 UTC GrantCommon Stock 8,972 $0.00 $0.00
Disclosure

SEC source: 0001288847-26-000096 · wk-form4_1779486750.xml · nonDerivative · entry 1

Walker Maria C · CIK 0001826519 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,411

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May 20, 2026 Filed May 22, 2026 21:42 UTC GrantCommon Stock 8,972 $0.00 $0.00
Disclosure

SEC source: 0001324293-26-000002 · wk-form4_1779486150.xml · nonDerivative · entry 1

Burdiek Michael J · CIK 0001324293 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,832

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May 20, 2026 Filed May 22, 2026 21:01 UTC GrantCommon Stock 8,972 $0.00 $0.00
Disclosure

SEC source: 0001288847-26-000087 · wk-form4_1779483691.xml · nonDerivative · entry 1

Barsamian Sue · CIK 0001742302 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,907

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May 14, 2026 Filed May 15, 2026 21:29 UTC
Meriweather Tiffany N.Chief Admin. & Legal Officer
SaleCommon Stock 21,320 $20.98 $447,293.60
Disclosure

SEC source: 0001886762-26-000007 · wk-form4_1778880578.xml · nonDerivative · entry 2

Meriweather Tiffany N. · CIK 0001886762 · Chief Admin. & Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 281,298

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.97 to $21.10, 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.

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May 13, 2026 Filed May 15, 2026 21:29 UTC
Meriweather Tiffany N.Chief Admin. & Legal Officer
SaleCommon Stock 8,497 $21.22 $180,306.34
Disclosure

SEC source: 0001886762-26-000007 · wk-form4_1778880578.xml · nonDerivative · entry 1

Meriweather Tiffany N. · CIK 0001886762 · Chief Admin. & Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 302,618

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.20 to $21.22, 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.

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March 05, 2026 Filed Mar 6, 2026 21:02 UTC
Lee Bryan MChief Financial Officer
SaleCommon Stock 1,756 $17.92 $31,467.52
Disclosure

SEC source: 0002063775-26-000004 · wk-form4_1772830966.xml · nonDerivative · entry 2

Lee Bryan M · CIK 0002063775 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 328,082

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 3, 2025.

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March 05, 2026 Filed Mar 6, 2026 21:11 UTC
Dignan AndyPresident
SaleCommon Stock 3,369 $17.92 $60,372.48
Disclosure

SEC source: 0002000932-26-000004 · wk-form4_1772831467.xml · nonDerivative · entry 2

Dignan Andy · CIK 0002000932 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 286,963

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 3, 2025.

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March 04, 2026 Filed Mar 6, 2026 21:02 UTC
Lee Bryan MChief Financial Officer
SaleCommon Stock 9,855 $17.70 $174,433.50
Disclosure

SEC source: 0002063775-26-000004 · wk-form4_1772830966.xml · nonDerivative · entry 1

Lee Bryan M · CIK 0002063775 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 329,838

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 3, 2025.

F2 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.43 to $17.99, 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.

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March 04, 2026 Filed Mar 6, 2026 21:05 UTC
Meriweather Tiffany N.Chief Admin. & Legal Officer
SaleCommon Stock 5,942 $17.87 $106,183.54
Disclosure

SEC source: 0001886762-26-000006 · wk-form4_1772831098.xml · nonDerivative · entry 1

Meriweather Tiffany N. · CIK 0001886762 · Chief Admin. & Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 311,115

F1 · shares: The sale reported on this form represents a Five9, Inc. mandated sale by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units, and it does not represent a discretionary trade by the Reporting Person

F2 · price: The price reported in Column 4 is a weighted average price applied to the transaction by the broker for sales to cover taxes upon vesting of restricted stock units for all employees of Five9, Inc., including the Reporting Person, 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.

Read SEC document
March 04, 2026 Filed Mar 6, 2026 21:11 UTC
Dignan AndyPresident
SaleCommon Stock 4,924 $17.69 $87,105.56
Disclosure

SEC source: 0002000932-26-000004 · wk-form4_1772831467.xml · nonDerivative · entry 1

Dignan Andy · CIK 0002000932 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 290,332

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 3, 2025.

F2 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.46 to $17.96, 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.

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March 04, 2026 Filed Mar 6, 2026 21:09 UTC
Kozanian PanosEVP, Product Engineering
SaleCommon Stock 7,002 $17.98 $125,895.96
Disclosure

SEC source: 0001940974-26-000004 · wk-form4_1772831371.xml · nonDerivative · entry 2

Kozanian Panos · CIK 0001940974 · EVP, Product Engineering

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 167,540

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 May 14, 2025.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.92 to $18.07, 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.

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March 04, 2026 Filed Mar 6, 2026 21:09 UTC
Kozanian PanosEVP, Product Engineering
SaleCommon Stock 3,860 $17.78 $68,630.80
Disclosure

SEC source: 0001940974-26-000004 · wk-form4_1772831371.xml · nonDerivative · entry 1

Kozanian Panos · CIK 0001940974 · EVP, Product Engineering

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 174,542

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 May 14, 2025.

F2 · shares: The reported sales were to cover taxes upon the vesting of restricted stock units.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.49 to $17.92, 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.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.