Key facts
- This page summarizes Ken Xie's Form 4 filing for Fortinet, Inc. (FTNT).
- 15 reported transactions and 4 derivative rows are listed below.
- Accepted by SEC: 04 Aug 2026, 17:13.
Ken Xie - 01 Aug 2026 Form 4 Insider Report for Fortinet, Inc. (FTNT)
- Reporting relationship
- PRESIDENT & CEO, Director
- Issuer ticker
- FTNT
- Reported as of
- 01 Aug 2026
- Net transaction value
- -$26,266,878
- SEC form
- 4
- Accepted by SEC
- 04 Aug 2026, 17:13:59 UTC
- Prior SEC filing
- 03 Jun 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Robert Turner, by power of attorney
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Ken Xie filed Form 4 for Fortinet, Inc. (FTNT) on 04 Aug 2026.
Change
- Previous filing in this sequence was filed on 03 Jun 2026.
- Current net transaction value: -$26,266,878.
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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001475587
Primary reporting owner
Xie Ken
- Relationship
- PRESIDENT & CEO, Director
- 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
- +6,260
- Change %
- +0.01%
- Price
- $0.000000*
- Shares after
- 52,978,632
- Date
- 01 Aug 2026
- Ownership
- Direct
- Footnotes
- F1
FTNT
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +4,558
- Change %
- +0.01%
- Price
- $0.000000*
- Shares after
- 52,983,190
- Date
- 01 Aug 2026
- Ownership
- Direct
- Footnotes
- F1
FTNT
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +2,275
- Change %
- +0%
- Price
- $0.000000*
- Shares after
- 52,985,465
- Date
- 01 Aug 2026
- Ownership
- Direct
- Footnotes
- F1
FTNT
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -6,611
- Change %
- -0.01%
- Price
- $161.95*
- Shares after
- 52,978,854
- Date
- 01 Aug 2026
- Ownership
- Direct
- Footnotes
- F2
FTNT
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +155,000
- Change %
- +0.29%
- Price
- $22.90*
- Shares after
- 53,133,854
- Date
- 03 Aug 2026
- Ownership
- Direct
FTNT
transaction
Common Stock
Sale
- Transaction value
- $2,947,973
- Shares
- -18,409
- Change %
- -0.03%
- Price
- $160.14
- Shares after
- 53,115,445
- Date
- 03 Aug 2026
- Ownership
- Direct
- Footnotes
- F3, F4
FTNT
transaction
Common Stock
Sale
- Transaction value
- $3,159,689
- Shares
- -19,647
- Change %
- -0.04%
- Price
- $160.82
- Shares after
- 53,095,798
- Date
- 03 Aug 2026
- Ownership
- Direct
- Footnotes
- F3, F5
FTNT
transaction
Common Stock
Sale
- Transaction value
- $1,189,378
- Shares
- -7,350
- Change %
- -0.01%
- Price
- $161.82
- Shares after
- 53,088,448
- Date
- 03 Aug 2026
- Ownership
- Direct
- Footnotes
- F3, F6
FTNT
transaction
Common Stock
Sale
- Transaction value
- $11,084,853
- Shares
- -67,971
- Change %
- -0.13%
- Price
- $163.08
- Shares after
- 53,020,477
- Date
- 03 Aug 2026
- Ownership
- Direct
- Footnotes
- F3, F7
FTNT
transaction
Common Stock
Sale
- Transaction value
- $7,858,337
- Shares
- -47,943
- Change %
- -0.09%
- Price
- $163.91
- Shares after
- 52,972,534
- Date
- 03 Aug 2026
- Ownership
- Direct
- Footnotes
- F3, F8
FTNT
transaction
Common Stock
Sale
- Transaction value
- $26,647
- Shares
- -162
- Change %
- -0%
- Price
- $164.49
- Shares after
- 52,972,372
- Date
- 03 Aug 2026
- Ownership
- Direct
- Footnotes
- F3
FTNT
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 4,848,774
- Date
- 01 Aug 2026
- Ownership
- By Spouse
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
- -6,260
- Change %
- -33%
- Price
- $0.000000*
- Shares after
- 12,520
- Date
- 01 Aug 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 6,260
- Exercise price
- $0.000000
- Footnotes
- F1, F9, F10, F11
FTNT
transaction
Derivative
Restricted Stock Units
Options Exercise
- Transaction value
- Shares
- -4,558
- Change %
- -14%
- Price
- $0.000000*
- Shares after
- 27,346
- Date
- 01 Aug 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 4,558
- Exercise price
- $0.000000
- Footnotes
- F1, F9, F11, F12
FTNT
transaction
Derivative
Restricted Stock Units
Options Exercise
- Transaction value
- Shares
- -2,275
- Change %
- -9.1%
- Price
- $0.000000*
- Shares after
- 22,754
- Date
- 01 Aug 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 2,275
- Exercise price
- $0.000000
- Footnotes
- F1, F9, F11, F13
FTNT
transaction
Derivative
Nonqualified Stock Option (right to buy)
Options Exercise
- Transaction value
- Shares
- -155,000
- Change %
- -34%
- Price
- $0.000000*
- Shares after
- 306,470
- Date
- 03 Aug 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 155,000
- Exercise price
- $22.90
- Footnotes
- F14
* 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 14 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 3, 2026.
Footnote F4
Represents the weighted average sale price. The lowest price at which shares were sold was $159.45 and the highest price at which shares were sold was $160.44. 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 ranges set forth in footnotes (4), (5), (6), (7) and (8) to this Form 4.
Footnote F5
Represents the weighted average sale price. The lowest price at which shares were sold was $160.45 and the highest price at which shares were sold was $161.44.
Footnote F6
Represents the weighted average sale price. The lowest price at which shares were sold was $161.45 and the highest price at which shares were sold was $162.43.
Footnote F7
Represents the weighted average sale price. The lowest price at which shares were sold was $162.49 and the highest price at which shares were sold was $163.48.
Footnote F8
Represents the weighted average sale price. The lowest price at which shares were sold was $163.49 and the highest price at which shares were sold was $164.48.
Footnote F9
Each RSU represents a contingent right to receive one share of the Issuer's common stock upon settlement.
Footnote F10
25% of the RSUs vested on February 1, 2024, 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 F11
RSUs do not expire; they either vest or are canceled prior to the vesting date.
Footnote F12
25% of the RSUs vested on February 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 F13
25% of the RSUs vested 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 vesting.
Footnote F14
The options are fully vested.