Christiane Ohlgart - 01 Aug 2026 Form 4 Insider Report for Fortinet, Inc. (FTNT)

Reporting relationship: Chief Financial Officer
Issuer ticker: FTNT
Reported as of: 01 Aug 2026
Net transaction value: -$63,696
SEC form: 4
Accepted by SEC: 04 Aug 2026, 17:12:36 UTC
Prior SEC filing: 20 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Robert Turner, by power of attorney

Key filing fact

Christiane Ohlgart filed Form 4 for Fortinet, Inc. (FTNT) on 04 Aug 2026.

Key facts

This page summarizes Christiane Ohlgart's Form 4 filing for Fortinet, Inc. (FTNT).
8 reported transactions and 3 derivative rows are listed below.
Accepted by SEC: 04 Aug 2026, 17:12.

Change

Previous filing in this sequence was filed on 20 May 2026.
Current net transaction value: -$63,696.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002016813 Primary reporting owner

Ohlgart Christiane

Relationship: Chief Financial Officer
Address: C/O FORTINET, INC., 909 KIFER ROAD, SUNNYVALE
Signature: /s/ Robert Turner, by power of attorney
Signature date: 04 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

FTNT transaction

Common Stock

Options Exercise

Transaction value
Shares: +684
Change %: +7.8%
Price: $0.000000^*
Shares after: 9,509
Date: 01 Aug 2026
Ownership: Direct
Footnotes: F1

FTNT transaction

Common Stock

Options Exercise

Transaction value
Shares: +650
Change %: +6.8%
Price: $0.000000^*
Shares after: 10,159
Date: 01 Aug 2026
Ownership: Direct
Footnotes: F1

FTNT transaction

Common Stock

Options Exercise

Transaction value
Shares: +300
Change %: +2.7%
Price: $0.000000^*
Shares after: 11,361
Date: 01 Aug 2026
Ownership: Direct
Footnotes: F1

FTNT transaction

Common Stock

Tax liability

Transaction value
Shares: -581
Change %: -5.1%
Price: $161.95^*
Shares after: 10,780
Date: 01 Aug 2026
Ownership: Direct
Footnotes: F2

FTNT transaction

Common Stock

Sale

Transaction value: $63,696
Shares: -387
Change %: -3.6%
Price: $164.59
Shares after: 10,393
Date: 04 Aug 2026
Ownership: Direct
Footnotes: F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

FTNT transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -684
Change %: -12%
Price: $0.000000^*
Shares after: 4,794
Date: 01 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 684
Exercise price: $0.000000
Footnotes: F1, F4, F5, F6

FTNT transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -650
Change %: -9.1%
Price: $0.000000^*
Shares after: 6,501
Date: 01 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 650
Exercise price: $0.000000
Footnotes: F1, F4, F6, F7

FTNT transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -300
Change %: -8.3%
Price: $0.000000^*
Shares after: 3,308
Date: 01 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 300
Exercise price: $0.000000
Footnotes: F1, F4, F6, F8

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 8 footnotes

Footnote F1

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

Footnote F2

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.

Footnote F3

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

Footnote F4

Each RSU represents a contingent right to receive one share of the Issuer's common stock.

Footnote F5

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.

Footnote F6

RSUs and PSUs do not expire; they either vest or are canceled prior to the vesting date.

Footnote F7

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.

Footnote F8

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.