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Ohlgart Christiane

Disclosed activity across 1 company

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26722
SEC CIK
0002016813

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Reported relationships

Latest disclosed role at each company.

No relationships currently tracked through insider filings.

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

No balances currently tracked through insider filings.

Past disclosures · reporting ended (1)

No longer tracked through insider filings. These historical balances do not imply present ownership or a zero position.

Fortinet, Inc.

Report date September 24, 2026 · Filed September 25, 2026

Section 16 reporting ended · disclosed 2025-06-06. Current position is not established by this disclosure.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect10,345 Reported balance After 2026-09-24 transaction · row 1
1 source row

Row 1 · 2026-09-24 · Sale · Disposed 48 · Balance 10,345

F1: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 10, 2026.

Filing footnotes · ownership attribution and instrument terms

F1: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 10, 2026.

Transaction history

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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 dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
September 24, 2026 Filed Sep 25, 2026 20:18 UTC Fortinet, Inc. FTNT · Entity 2890 SaleCommon Stock 48 $180.00 $8,640.00
Disclosure

SEC source: 0002016813-26-000020 · form4-09252026_080926.xml · nonDerivative · entry 1

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,345

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 10, 2026.

Read SEC document
August 04, 2026 Filed Aug 4, 2026 21:12 UTC Fortinet, Inc. FTNT · Entity 2890 SaleCommon Stock 387 $164.59 $63,696.33
Disclosure

SEC source: 0002016813-26-000018 · form4-08042026_090829.xml · nonDerivative · entry 5

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,393

F3 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 7, 2025.

Read SEC document
August 01, 2026 Filed Aug 4, 2026 21:12 UTC Fortinet, Inc. FTNT · Entity 2890 Exercise / conversionRestricted Stock Units · Derivative 300 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0002016813-26-000018 · form4-08042026_090829.xml · derivative · entry 8

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,308

Underlying: Common Stock · 300 shares

Expires not disclosed

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

F4 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock.

F1 · kind: Vesting of restricted stock units ("RSUs") previously granted to the Reporting Person.

F8 · derivative.exercise_date: 25% of the RSUs vested on May 1, 2026, and the remaining 75% of the RSUs will vest in equal installments on each quarterly anniversary thereafter, until such time as the RSUs are 100% vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date. Shares of the Issuer's common stock will be delivered to the Reporting Person upon settlement.

F6 · derivative.expiration_date: RSUs and PSUs do not expire; they either vest or are canceled prior to the vesting date.

Read SEC document
August 01, 2026 Filed Aug 4, 2026 21:12 UTC Fortinet, Inc. FTNT · Entity 2890 Exercise / conversionRestricted Stock Units · Derivative 650 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0002016813-26-000018 · form4-08042026_090829.xml · derivative · entry 7

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,501

Underlying: Common Stock · 650 shares

Expires not disclosed

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

F4 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock.

F1 · kind: Vesting of restricted stock units ("RSUs") previously granted to the Reporting Person.

F7 · derivative.exercise_date: 25% of the RSUs will vest on February 1, 2026, and the remaining 75% of the RSUs will vest in equal installments on each quarterly anniversary thereafter, until such time as the RSUs are 100% vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date. Shares of the Issuer's common stock will be delivered to the Reporting Person upon settlement.

F6 · derivative.expiration_date: RSUs and PSUs do not expire; they either vest or are canceled prior to the vesting date.

Read SEC document
August 01, 2026 Filed Aug 4, 2026 21:12 UTC Fortinet, Inc. FTNT · Entity 2890 Exercise / conversionRestricted Stock Units · Derivative 684 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0002016813-26-000018 · form4-08042026_090829.xml · derivative · entry 6

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,794

Underlying: Common Stock · 684 shares

Expires not disclosed

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

F4 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock.

F1 · kind: Vesting of restricted stock units ("RSUs") previously granted to the Reporting Person.

F5 · derivative.exercise_date: 25% of the RSUs vested on May 1, 2025, and the remaining 75% of the RSUs will vest in equal installments on each quarterly anniversary thereafter, until such time as the RSUs are 100% vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date. Shares of the Issuer's common stock will be delivered to the Reporting Person upon settlement.

F6 · derivative.expiration_date: RSUs and PSUs do not expire; they either vest or are canceled prior to the vesting date.

Read SEC document
August 01, 2026 Filed Aug 4, 2026 21:12 UTC Fortinet, Inc. FTNT · Entity 2890 Tax withholdingCommon Stock 581 $161.95 $94,092.95
Disclosure

SEC source: 0002016813-26-000018 · form4-08042026_090829.xml · nonDerivative · entry 4

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,780

F2 · kind: Exempt transaction pursuant to Section 16b-3(e) - payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. All of the shares reported as disposed of in this Form 4 were relinquished by the Reporting Person and cancelled by the Issuer in exchange for the Issuer's agreement to pay federal and state tax withholding obligations of the Reporting Person resulting from the vesting of restricted stock units.

Read SEC document
August 01, 2026 Filed Aug 4, 2026 21:12 UTC Fortinet, Inc. FTNT · Entity 2890 Exercise / conversionCommon Stock 300 $0.00 $0.00
Disclosure

SEC source: 0002016813-26-000018 · form4-08042026_090829.xml · nonDerivative · entry 3

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 11,361

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

F1 · kind: Vesting of restricted stock units ("RSUs") previously granted to the Reporting Person.

Read SEC document
August 01, 2026 Filed Aug 4, 2026 21:12 UTC Fortinet, Inc. FTNT · Entity 2890 Exercise / conversionCommon Stock 650 $0.00 $0.00
Disclosure

SEC source: 0002016813-26-000018 · form4-08042026_090829.xml · nonDerivative · entry 2

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,159

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

F1 · kind: Vesting of restricted stock units ("RSUs") previously granted to the Reporting Person.

Read SEC document
August 01, 2026 Filed Aug 4, 2026 21:12 UTC Fortinet, Inc. FTNT · Entity 2890 Exercise / conversionCommon Stock 684 $0.00 $0.00
Disclosure

SEC source: 0002016813-26-000018 · form4-08042026_090829.xml · nonDerivative · entry 1

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,509

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

F1 · kind: Vesting of restricted stock units ("RSUs") previously granted to the Reporting Person.

Read SEC document
May 20, 2026 Filed May 20, 2026 22:19 UTC Fortinet, Inc. FTNT · Entity 2890 SaleCommon Stock 238 $130.00 $30,940.00
Disclosure

SEC source: 0002016813-26-000016 · form4-05202026_100524.xml · nonDerivative · entry 1

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,824

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 7, 2025.

Read SEC document
May 14, 2026 Filed May 15, 2026 21:53 UTC Fortinet, Inc. FTNT · Entity 2890 SaleCommon Stock 756 $120.00 $90,720.00
Disclosure

SEC source: 0002016813-26-000014 · form4-05152026_090550.xml · nonDerivative · entry 1

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,062

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 7, 2025.

Read SEC document
May 11, 2026 Filed May 13, 2026 20:04 UTC Fortinet, Inc. FTNT · Entity 2890 SaleCommon Stock 238 $115.00 $27,370.00
Disclosure

SEC source: 0002016813-26-000012 · form4-05132026_080552.xml · nonDerivative · entry 1

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,818

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 7, 2025.

Read SEC document
May 07, 2026 Filed May 8, 2026 22:35 UTC Fortinet, Inc. FTNT · Entity 2890 SaleCommon Stock 756 $110.00 $83,160.00
Disclosure

SEC source: 0002016813-26-000010 · form4-05082026_100517.xml · nonDerivative · entry 1

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,056

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 7, 2025.

Read SEC document
May 05, 2026 Filed May 5, 2026 21:25 UTC Fortinet, Inc. FTNT · Entity 2890 SaleCommon Stock 596 $89.70 $53,461.20
Disclosure

SEC source: 0002016813-26-000008 · form4-05052026_090519.xml · nonDerivative · entry 6

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,812

F4 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 7, 2025.

Read SEC document
May 01, 2026 Filed May 5, 2026 21:25 UTC Fortinet, Inc. FTNT · Entity 2890 Exercise / conversionRestricted Stock Units · Derivative 1,202 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0002016813-26-000008 · form4-05052026_090519.xml · derivative · entry 10

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,608

Underlying: Common Stock · 1,202 shares

Expires not disclosed

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

F8 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock.

F2 · kind: Vesting of restricted stock units ("RSUs") previously granted to the Reporting Person.

F10 · derivative.exercise_date: 25% of the RSUs vested on May 1, 2026, and the remaining 75% of the RSUs will vest in equal installments on each quarterly anniversary thereafter, until such time as the RSUs are 100% vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date. Shares of the Issuer's common stock will be delivered to the Reporting Person upon settlement.

F7 · derivative.expiration_date: RSUs and PSUs do not expire; they either vest or are canceled prior to the vesting date.

Read SEC document
May 01, 2026 Filed May 5, 2026 21:25 UTC Fortinet, Inc. FTNT · Entity 2890 Exercise / conversionRestricted Stock Units · Derivative 650 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0002016813-26-000008 · form4-05052026_090519.xml · derivative · entry 9

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,151

Underlying: Common Stock · 650 shares

Expires not disclosed

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

F8 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock.

F2 · kind: Vesting of restricted stock units ("RSUs") previously granted to the Reporting Person.

F10 · derivative.exercise_date: 25% of the RSUs vested on May 1, 2026, and the remaining 75% of the RSUs will vest in equal installments on each quarterly anniversary thereafter, until such time as the RSUs are 100% vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date. Shares of the Issuer's common stock will be delivered to the Reporting Person upon settlement.

F7 · derivative.expiration_date: RSUs and PSUs do not expire; they either vest or are canceled prior to the vesting date.

Read SEC document
May 01, 2026 Filed May 5, 2026 21:25 UTC Fortinet, Inc. FTNT · Entity 2890 Exercise / conversionRestricted Stock Units · Derivative 685 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0002016813-26-000008 · form4-05052026_090519.xml · derivative · entry 8

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 5,478

Underlying: Common Stock · 685 shares

Expires not disclosed

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

F8 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock.

F2 · kind: Vesting of restricted stock units ("RSUs") previously granted to the Reporting Person.

F9 · derivative.exercise_date: 25% of the RSUs vested on May 1, 2025, and the remaining 75% of the RSUs will vest in equal installments on each quarterly anniversary thereafter, until such time as the RSUs are 100% vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date. Shares of the Issuer's common stock will be delivered to the Reporting Person upon settlement.

F7 · derivative.expiration_date: RSUs and PSUs do not expire; they either vest or are canceled prior to the vesting date.

Read SEC document
May 01, 2026 Filed May 5, 2026 21:25 UTC Fortinet, Inc. FTNT · Entity 2890 Exercise / conversionPerformance Stock Units · Derivative 2,366 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0002016813-26-000008 · form4-05052026_090519.xml · derivative · entry 7

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,366 shares

Expires not disclosed

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

F5 · derivative.exercise_price: Each PSU represents a contingent right to receive one share of the Issuer's common stock.

F1 · kind: Vesting of performance stock units ("PSUs") previously granted to the Reporting Person.

F6 · derivative.exercise_date: 100% of the PSUs vest and settle on May 1, 2026, subject to the Reporting Person's provision of service to the Issuer on such date. Shares of the Issuer's common stock will be delivered to the Reporting Person upon settlement.

F7 · derivative.expiration_date: RSUs and PSUs do not expire; they either vest or are canceled prior to the vesting date.

Read SEC document
May 01, 2026 Filed May 5, 2026 21:25 UTC Fortinet, Inc. FTNT · Entity 2890 Tax withholdingCommon Stock 1,742 $86.29 $150,317.18
Disclosure

SEC source: 0002016813-26-000008 · form4-05052026_090519.xml · nonDerivative · entry 5

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 11,408

F3 · kind: Exempt transaction pursuant to Section 16b-3(e) - payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. All of the shares reported as disposed of in this Form 4 were relinquished by the Reporting Person and cancelled by the Issuer in exchange for the Issuer's agreement to pay federal and state tax withholding obligations of the Reporting Person resulting from the vesting of restricted stock units.

Read SEC document
May 01, 2026 Filed May 5, 2026 21:25 UTC Fortinet, Inc. FTNT · Entity 2890 Exercise / conversionCommon Stock 1,202 $0.00 $0.00
Disclosure

SEC source: 0002016813-26-000008 · form4-05052026_090519.xml · nonDerivative · entry 4

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 13,150

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 · kind: Vesting of restricted stock units ("RSUs") previously granted to the Reporting Person.

Read SEC document
May 01, 2026 Filed May 5, 2026 21:25 UTC Fortinet, Inc. FTNT · Entity 2890 Exercise / conversionCommon Stock 650 $0.00 $0.00
Disclosure

SEC source: 0002016813-26-000008 · form4-05052026_090519.xml · nonDerivative · entry 3

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 11,948

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 · kind: Vesting of restricted stock units ("RSUs") previously granted to the Reporting Person.

Read SEC document
May 01, 2026 Filed May 5, 2026 21:25 UTC Fortinet, Inc. FTNT · Entity 2890 Exercise / conversionCommon Stock 685 $0.00 $0.00
Disclosure

SEC source: 0002016813-26-000008 · form4-05052026_090519.xml · nonDerivative · entry 2

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 11,298

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 · kind: Vesting of restricted stock units ("RSUs") previously granted to the Reporting Person.

Read SEC document
May 01, 2026 Filed May 5, 2026 21:25 UTC Fortinet, Inc. FTNT · Entity 2890 Exercise / conversionCommon Stock 2,366 $0.00 $0.00
Disclosure

SEC source: 0002016813-26-000008 · form4-05052026_090519.xml · nonDerivative · entry 1

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,613

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

F1 · kind: Vesting of performance stock units ("PSUs") previously granted to the Reporting Person.

Read SEC document
April 17, 2026 Filed Apr 20, 2026 20:26 UTC Fortinet, Inc. FTNT · Entity 2890 GrantPerformance Stock Units · Derivative 2,366 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0002016813-26-000006 · form4-04202026_080430.xml · derivative · entry 1

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,366

Underlying: Common Stock · 2,366 shares

Expires not disclosed

F1 · security: Represents performance stock units ("PSUs") earned as a result of the achievement of performance criteria based on relative shareholder return pursuant to performance-based PSU awards with a performance period that ended on March 31, 2026, as certified by the HR Committee of the Issuer's Board of Directors on April 17, 2026.

F2 · derivative.exercise_price: Each PSU represents a contingent right to receive one share of the Issuer's common stock.

F3 · derivative.exercise_date: 100% of the PSUs vest and settle on May 1, 2026, subject to the Reporting Person's provision of service to the Issuer on such date. Shares of the Issuer's common stock will be delivered to the Reporting Person upon settlement.

F4 · derivative.expiration_date: PSUs do not expire; they either vest or are canceled prior to the vesting date.

Read SEC document
February 20, 2026 Filed Feb 23, 2026 21:20 UTC Fortinet, Inc. FTNT · Entity 2890 GrantRestricted Stock Units · Derivative 12,528 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0002016813-26-000004 · form4-02232026_090239.xml · derivative · entry 1

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,528

Underlying: Common Stock · 12,528 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: 25% of the RSUs will vest on February 1, 2027, and the remaining 75% of the RSUs will vest in equal installments on each quarterly anniversary thereafter, until such time as the RSUs are 100% vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date. Shares of the Issuer's common stock will be delivered to the Reporting Person upon settlement.

F3 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

Read SEC document
February 03, 2026 Filed Feb 4, 2026 01:09 UTC Fortinet, Inc. FTNT · Entity 2890 SaleCommon Stock 507 $80.73 $40,930.11
Disclosure

SEC source: 0002016813-26-000002 · form4-02042026_010238.xml · nonDerivative · entry 4

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,247

F3 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 7, 2025.

Read SEC document
February 01, 2026 Filed Feb 4, 2026 01:09 UTC Fortinet, Inc. FTNT · Entity 2890 Exercise / conversionRestricted Stock Units · Derivative 2,600 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0002016813-26-000002 · form4-02042026_010238.xml · derivative · entry 6

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,801

Underlying: Common Stock · 2,600 shares

Expires not disclosed

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

F4 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock.

F1 · kind: Vesting of restricted stock units ("RSUs") previously granted to the Reporting Person.

F7 · derivative.exercise_date: 25% of the RSUs will vest on May 1, 2026, and the remaining 75% of the RSUs will vest in equal installments on each quarterly anniversary thereafter, until such time as the RSUs are 100% vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date. Shares of the Issuer's common stock will be delivered to the Reporting Person upon settlement.

F6 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

Read SEC document
February 01, 2026 Filed Feb 4, 2026 01:09 UTC Fortinet, Inc. FTNT · Entity 2890 Exercise / conversionRestricted Stock Units · Derivative 685 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0002016813-26-000002 · form4-02042026_010238.xml · derivative · entry 5

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,163

Underlying: Common Stock · 685 shares

Expires not disclosed

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

F4 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock.

F1 · kind: Vesting of restricted stock units ("RSUs") previously granted to the Reporting Person.

F5 · derivative.exercise_date: 25% of the RSUs vested on May 1, 2025, and the remaining 75% of the RSUs will vest in equal installments on each quarterly anniversary thereafter, until such time as the RSUs are 100% vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date. Shares of the Issuer's common stock will be delivered to the Reporting Person upon settlement.

F6 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

Read SEC document
February 01, 2026 Filed Feb 4, 2026 01:09 UTC Fortinet, Inc. FTNT · Entity 2890 Tax withholdingCommon Stock 1,255 $81.26 $101,981.30
Disclosure

SEC source: 0002016813-26-000002 · form4-02042026_010238.xml · nonDerivative · entry 3

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,754

F2 · kind: Exempt transaction pursuant to Section 16b-3(e) - payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. All of the shares reported as disposed of in this Form 4 were relinquished by the Reporting Person and cancelled by the Issuer in exchange for the Issuer's agreement to pay federal and state tax withholding obligations of the Reporting Person resulting from the vesting of restricted stock units.

Read SEC document
February 01, 2026 Filed Feb 4, 2026 01:09 UTC Fortinet, Inc. FTNT · Entity 2890 Exercise / conversionCommon Stock 2,600 $0.00 $0.00
Disclosure

SEC source: 0002016813-26-000002 · form4-02042026_010238.xml · nonDerivative · entry 2

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,009

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

F1 · kind: Vesting of restricted stock units ("RSUs") previously granted to the Reporting Person.

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February 01, 2026 Filed Feb 4, 2026 01:09 UTC Fortinet, Inc. FTNT · Entity 2890 Exercise / conversionCommon Stock 685 $0.00 $0.00
Disclosure

SEC source: 0002016813-26-000002 · form4-02042026_010238.xml · nonDerivative · entry 1

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,409

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

F1 · kind: Vesting of restricted stock units ("RSUs") previously granted to the Reporting Person.

Read SEC document
November 04, 2025 Filed Nov 5, 2025 00:38 UTC Fortinet, Inc. FTNT · Entity 2890 SaleCommon Stock 110 $86.50 $9,515.00
Disclosure

SEC source: 0002016813-25-000003 · form4-11052025_121103.xml · nonDerivative · entry 3

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,724

F3 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 7, 2025.

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November 01, 2025 Filed Nov 5, 2025 00:38 UTC Fortinet, Inc. FTNT · Entity 2890 Exercise / conversionRestricted Stock Units · Derivative 685 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0002016813-25-000003 · form4-11052025_121103.xml · derivative · entry 4

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,848

Underlying: Common Stock · 685 shares

Expires not disclosed

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

F4 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock.

F1 · kind: Vesting of restricted stock units ("RSUs") previously granted to the Reporting Person.

F5 · derivative.exercise_date: 25% of the RSUs will vest on May 1, 2025, and the remaining 75% of the RSUs will vest in equal installments on each quarterly anniversary thereafter, until such time as the RSUs are 100% vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date. Shares of the Issuer's common stock will be delivered to the Reporting Person upon settlement.

F6 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

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November 01, 2025 Filed Nov 5, 2025 00:38 UTC Fortinet, Inc. FTNT · Entity 2890 Tax withholdingCommon Stock 244 $86.43 $21,088.92
Disclosure

SEC source: 0002016813-25-000003 · form4-11052025_121103.xml · nonDerivative · entry 2

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,834

F2 · kind: Exempt transaction pursuant to Section 16b-3(e) - payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. All of the shares reported as disposed of in this Form 4 were relinquished by the Reporting Person and cancelled by the Issuer in exchange for the Issuer's agreement to pay federal and state tax withholding obligations of the Reporting Person resulting from the vesting of restricted stock units.

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November 01, 2025 Filed Nov 5, 2025 00:38 UTC Fortinet, Inc. FTNT · Entity 2890 Exercise / conversionCommon Stock 685 $0.00 $0.00
Disclosure

SEC source: 0002016813-25-000003 · form4-11052025_121103.xml · nonDerivative · entry 1

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,078

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

F1 · kind: Vesting of restricted stock units ("RSUs") previously granted to the Reporting Person.

Read SEC document
August 20, 2025 Filed Aug 21, 2025 21:04 UTC Fortinet, Inc. FTNT · Entity 2890 GrantRestricted Stock Units · Derivative 4,810 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001415889-25-022632 · form4-08212025_090852.xml · derivative · entry 1

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,810

Underlying: Common Stock · 4,810 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: 25% of the RSUs will vest on May 1, 2026, and the remaining 75% of the RSUs will vest in equal installments on each quarterly anniversary thereafter, until such time as the RSUs are 100% vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date. Shares of the Issuer's common stock will be delivered to the Reporting Person upon settlement.

F3 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

Read SEC document
August 05, 2025 Filed Aug 5, 2025 22:21 UTC Fortinet, Inc. FTNT · Entity 2890 SaleCommon Stock 110 $98.45 $10,829.50
Disclosure

SEC source: 0001415889-25-021077 · form4-08052025_100851.xml · nonDerivative · entry 3

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,393

F3 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 7, 2025.

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August 01, 2025 Filed Aug 5, 2025 22:21 UTC Fortinet, Inc. FTNT · Entity 2890 Exercise / conversionRestricted Stock Units · Derivative 684 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001415889-25-021077 · form4-08052025_100851.xml · derivative · entry 4

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,533

Underlying: Common Stock · 684 shares

Expires not disclosed

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

F4 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's common stock.

F1 · kind: Vesting of restricted stock units ("RSUs") previously granted to the Reporting Person.

F5 · derivative.exercise_date: 25% of the RSUs will vest on May 1, 2025, and the remaining 75% of the RSUs will vest in equal installments on each quarterly anniversary thereafter, until such time as the RSUs are 100% vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date. Shares of the Issuer's common stock will be delivered to the Reporting Person upon settlement.

F6 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

Read SEC document
August 01, 2025 Filed Aug 5, 2025 22:21 UTC Fortinet, Inc. FTNT · Entity 2890 Tax withholdingCommon Stock 243 $97.36 $23,658.48
Disclosure

SEC source: 0001415889-25-021077 · form4-08052025_100851.xml · nonDerivative · entry 2

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,503

F2 · kind: Exempt transaction pursuant to Section 16b-3(e) - payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. All of the shares reported as disposed of in this Form 4 were relinquished by the Reporting Person and cancelled by the Issuer in exchange for the Issuer's agreement to pay federal and state tax withholding obligations of the Reporting Person resulting from the vesting of restricted stock units.

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August 01, 2025 Filed Aug 5, 2025 22:21 UTC Fortinet, Inc. FTNT · Entity 2890 Exercise / conversionCommon Stock 684 $0.00 $0.00
Disclosure

SEC source: 0001415889-25-021077 · form4-08052025_100851.xml · nonDerivative · entry 1

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,746

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

F1 · kind: Vesting of restricted stock units ("RSUs") previously granted to the Reporting Person.

Read SEC document
June 06, 2025 Filed Jun 6, 2025 23:58 UTC Fortinet, Inc. FTNT · Entity 2890 SaleCommon Stock 1,164 $104.71 $121,883.49
Disclosure

SEC source: 0001415889-25-016084 · form4-06062025_110619.xml · nonDerivative · entry 1

Ohlgart Christiane · CIK 0002016813 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,062

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person on March 7, 2025.

F2 · price: Represents the weighted average sale price. The lowest price at which shares were sold was $104.37 and the highest price at which shares were sold was $105.18. The Reporting Person undertakes to provide upon request to the staff of the Securities and Exchange Commission, the Issuer or its stockholders, full information regarding the total number of shares sold at each separate price within the range set forth herein.

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May 01, 2025 Filed May 5, 2025 22:10 UTC Fortinet, Inc. FTNT · Entity 2890 Exercise / conversionRestricted Stock Units · Derivative 2,738 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001415889-25-012006 · form4-05052025_100551.xml · derivative · entry 5

Ohlgart Christiane · CIK 0002016813 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,217

Underlying: Common Stock · 2,738 shares

Expires not disclosed

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

F3 · derivative.exercise_price: Each PSU and RSU represents a contingent right to receive one share of the Issuer's common stock.

F1 · kind: Vesting of restricted stock units ("RSUs") or performance stock units ("PSUs") previously granted to the Reporting Person.

F6 · derivative.exercise_date: 25% of the RSUs will vest on May 1, 2025, and the remaining 75% of the RSUs will vest in equal installments on each quarterly anniversary thereafter, until such time as the RSUs are 100% vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date. Shares of the Issuer's common stock will be delivered to the Reporting Person upon settlement.

F5 · derivative.expiration_date: PSUs and RSUs do not expire; they either vest or are canceled prior to the vesting date.

Read SEC document
May 01, 2025 Filed May 5, 2025 22:10 UTC Fortinet, Inc. FTNT · Entity 2890 Exercise / conversionPerformance Stock Units · Derivative 4,382 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001415889-25-012006 · form4-05052025_100551.xml · derivative · entry 4

Ohlgart Christiane · CIK 0002016813 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,382 shares

Expires not disclosed

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

F3 · derivative.exercise_price: Each PSU and RSU represents a contingent right to receive one share of the Issuer's common stock.

F1 · kind: Vesting of restricted stock units ("RSUs") or performance stock units ("PSUs") previously granted to the Reporting Person.

F4 · derivative.exercise_date: 100% of the PSUs vest and settle on May 1, 2025, subject to the Reporting Person's provision of service to the Issuer on such date. Shares of the Issuer's common stock will be delivered to the Reporting Person upon settlement.

F5 · derivative.expiration_date: PSUs and RSUs do not expire; they either vest or are canceled prior to the vesting date.

Read SEC document
May 01, 2025 Filed May 5, 2025 22:10 UTC Fortinet, Inc. FTNT · Entity 2890 Tax withholdingCommon Stock 2,464 $104.21 $256,773.44
Disclosure

SEC source: 0001415889-25-012006 · form4-05052025_100551.xml · nonDerivative · entry 3

Ohlgart Christiane · CIK 0002016813 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,226

F2 · kind: Exempt transaction pursuant to Section 16b-3(e) - payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. All of the shares reported as disposed of in this Form 4 were relinquished by the Reporting Person and cancelled by the Issuer in exchange for the Issuer's agreement to pay federal and state tax withholding obligations of the Reporting Person resulting from the vesting of restricted stock units.

Read SEC document
May 01, 2025 Filed May 5, 2025 22:10 UTC Fortinet, Inc. FTNT · Entity 2890 Exercise / conversionCommon Stock 2,738 $0.00 $0.00
Disclosure

SEC source: 0001415889-25-012006 · form4-05052025_100551.xml · nonDerivative · entry 2

Ohlgart Christiane · CIK 0002016813 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,690

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

F1 · kind: Vesting of restricted stock units ("RSUs") or performance stock units ("PSUs") previously granted to the Reporting Person.

Read SEC document
May 01, 2025 Filed May 5, 2025 22:10 UTC Fortinet, Inc. FTNT · Entity 2890 Exercise / conversionCommon Stock 4,382 $0.00 $0.00
Disclosure

SEC source: 0001415889-25-012006 · form4-05052025_100551.xml · nonDerivative · entry 1

Ohlgart Christiane · CIK 0002016813 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,952

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

F1 · kind: Vesting of restricted stock units ("RSUs") or performance stock units ("PSUs") previously granted to the Reporting Person.

Read SEC document
April 18, 2025 Filed Apr 21, 2025 20:16 UTC Fortinet, Inc. FTNT · Entity 2890 GrantPerformance Stock Units · Derivative 4,382 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001415889-25-011080 · form4-04212025_080410.xml · derivative · entry 1

Ohlgart Christiane · CIK 0002016813 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,382

Underlying: Common Stock · 4,382 shares

Expires not disclosed

F1 · security: Represents performance stock units ("PSUs") earned as a result of the achievement of performance criteria based on relative shareholder return pursuant to performance-based PSU awards with a performance period that ended on March 31, 2024, as certified by the HR Committee of the Issuer's Board of Directors on April 18, 2025.

F2 · derivative.exercise_price: Each PSU represents a contingent right to receive one share of the Issuer's common stock.

F3 · derivative.exercise_date: 100% of the PSUs vest and settle on May 1, 2025, subject to the Reporting Person's provision of service to the Issuer on such date. Shares of the Issuer's common stock will be delivered to the Reporting Person upon settlement.

F4 · derivative.expiration_date: PSUs do not expire; they either vest or are canceled prior to the vesting date.

Read SEC document
February 21, 2025 Filed Feb 25, 2025 21:07 UTC Fortinet, Inc. FTNT · Entity 2890 GrantRestricted Stock Units · Derivative 10,401 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001415889-25-005460 · form4-02252025_090225.xml · derivative · entry 1

Ohlgart Christiane · CIK 0002016813 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,401

Underlying: Common Stock · 10,401 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: 25% of the RSUs will vest on February 1, 2026, and the remaining 75% of the RSUs will vest in equal installments on each quarterly anniversary thereafter, until such time as the RSUs are 100% vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date. Shares of the Issuer's common stock will be delivered to the Reporting Person upon settlement.

F3 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

Read SEC document
May 16, 2024 Filed May 17, 2024 20:27 UTC Fortinet, Inc. FTNT · Entity 2890 GrantRestricted Stock Units · Derivative 10,955 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001415889-24-013513 · form4-05172024_080521.xml · derivative · entry 1

Ohlgart Christiane · CIK 0002016813 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,955

Underlying: Common Stock · 10,955 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: 25% of the RSUs will vest on May 1, 2025, and the remaining 75% of the RSUs will vest in equal installments on each quarterly anniversary thereafter, until such time as the RSUs are 100% vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date. Shares of the Issuer's common stock will be delivered to the Reporting Person upon vesting.

F3 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to the vesting date.

Read SEC document

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