Christiane Ohlgart reports an option exercise and tax withholding on shares

By AlphaYouPublished Nov 3, 2026Form 4

Stocks in this disclosure

Reported activity

Ohlgart Christiane

Reporting filer

Christiane Ohlgart reports an option exercise and tax withholding on shares, not an open-market purchase or sale, in Fortinet, Inc.. Form 4 filed Nov 3, 2026 lists 7 entries.

Disclosed: Nov 3, 2026

Reported details

7 entries

All validated entries in this disclosure
Security	Owner	Date	Code	Action	Quantity	Price	Following holdings	Reporting delay	Filed terms and references
Common Stock	Ohlgart Christiane	2026-11-01	M	Exercise or conversion	685	0	11,030	2 days	Filed terms security Title: Common Stock transaction Date: 2026-11-01 transaction Form Type: 4 transaction Code: M equity Swap Involved: 0 id: F1 transaction Shares: 685 transaction Price Per Share: 0 transaction Acquired Disposed Code: A shares Owned Following Transaction: 11030 direct Or Indirect Ownership: D nature Of Ownership:
Common Stock	Ohlgart Christiane	2026-11-01	M	Exercise or conversion	650	0	11,680	2 days	Filed terms security Title: Common Stock transaction Date: 2026-11-01 transaction Form Type: 4 transaction Code: M equity Swap Involved: 0 id: F1 transaction Shares: 650 transaction Price Per Share: 0 transaction Acquired Disposed Code: A shares Owned Following Transaction: 11680 direct Or Indirect Ownership: D nature Of Ownership:
Common Stock	Ohlgart Christiane	2026-11-01	M	Exercise or conversion	301	0	11,981	2 days	Filed terms security Title: Common Stock transaction Date: 2026-11-01 transaction Form Type: 4 transaction Code: M equity Swap Involved: 0 id: F1 transaction Shares: 301 transaction Price Per Share: 0 transaction Acquired Disposed Code: A shares Owned Following Transaction: 11981 direct Or Indirect Ownership: D nature Of Ownership:
Common Stock	Ohlgart Christiane	2026-11-01	F	Tax/exercise withholding	777	136.08	11,204	2 days	Filed terms security Title: Common Stock transaction Date: 2026-11-01 transaction Form Type: 4 transaction Code: F equity Swap Involved: 0 id: F2 transaction Shares: 777 transaction Price Per Share: 136.08 transaction Acquired Disposed Code: D shares Owned Following Transaction: 11204 direct Or Indirect Ownership: D nature Of Ownership:
Restricted Stock Units (derivative)	Ohlgart Christiane	2026-11-01	M	Exercise or conversion	685	0	4,109	2 days	Filed terms security Title: Restricted Stock Units conversion Or Exercise Price: 0 id: F3 transaction Date: 2026-11-01 transaction Form Type: 4 transaction Code: M equity Swap Involved: 0 id: F1 transaction Shares: 685 transaction Price Per Share: 0 transaction Acquired Disposed Code: D id: F4 id: F5 underlying Security Title: Common Stock underlying Security Shares: 685 shares Owned Following Transaction: 4109 direct Or Indirect Ownership: D nature Of Ownership:
Restricted Stock Units (derivative)	Ohlgart Christiane	2026-11-01	M	Exercise or conversion	650	0	5,851	2 days	Filed terms security Title: Restricted Stock Units conversion Or Exercise Price: 0 id: F3 transaction Date: 2026-11-01 transaction Form Type: 4 transaction Code: M equity Swap Involved: 0 id: F1 transaction Shares: 650 transaction Price Per Share: 0 transaction Acquired Disposed Code: D id: F6 id: F5 underlying Security Title: Common Stock underlying Security Shares: 650 shares Owned Following Transaction: 5851 direct Or Indirect Ownership: D nature Of Ownership:
Restricted Stock Units (derivative)	Ohlgart Christiane	2026-11-01	M	Exercise or conversion	301	0	3,007	2 days	Filed terms security Title: Restricted Stock Units conversion Or Exercise Price: 0 id: F3 transaction Date: 2026-11-01 transaction Form Type: 4 transaction Code: M equity Swap Involved: 0 id: F1 transaction Shares: 301 transaction Price Per Share: 0 transaction Acquired Disposed Code: D id: F7 id: F5 underlying Security Title: Common Stock underlying Security Shares: 301 shares Owned Following Transaction: 3007 direct Or Indirect Ownership: D nature Of Ownership:

Common Stock

Owner: Ohlgart Christiane
Date: 2026-11-01
Code: M
Action: Exercise or conversion
Quantity: 685
Price: 0
Following holdings: 11,030
Reporting delay: 2 days
Filed terms and references: Filed terms
security Title: Common Stock
transaction Date: 2026-11-01
transaction Form Type: 4
transaction Code: M
equity Swap Involved: 0
id: F1
transaction Shares: 685
transaction Price Per Share: 0
transaction Acquired Disposed Code: A
shares Owned Following Transaction: 11030
direct Or Indirect Ownership: D
nature Of Ownership:

Common Stock

Owner: Ohlgart Christiane
Date: 2026-11-01
Code: M
Action: Exercise or conversion
Quantity: 650
Price: 0
Following holdings: 11,680
Reporting delay: 2 days
Filed terms and references: Filed terms
security Title: Common Stock
transaction Date: 2026-11-01
transaction Form Type: 4
transaction Code: M
equity Swap Involved: 0
id: F1
transaction Shares: 650
transaction Price Per Share: 0
transaction Acquired Disposed Code: A
shares Owned Following Transaction: 11680
direct Or Indirect Ownership: D
nature Of Ownership:

Common Stock

Owner: Ohlgart Christiane
Date: 2026-11-01
Code: M
Action: Exercise or conversion
Quantity: 301
Price: 0
Following holdings: 11,981
Reporting delay: 2 days
Filed terms and references: Filed terms
security Title: Common Stock
transaction Date: 2026-11-01
transaction Form Type: 4
transaction Code: M
equity Swap Involved: 0
id: F1
transaction Shares: 301
transaction Price Per Share: 0
transaction Acquired Disposed Code: A
shares Owned Following Transaction: 11981
direct Or Indirect Ownership: D
nature Of Ownership:

Common Stock

Owner: Ohlgart Christiane
Date: 2026-11-01
Code: F
Action: Tax/exercise withholding
Quantity: 777
Price: 136.08
Following holdings: 11,204
Reporting delay: 2 days
Filed terms and references: Filed terms
security Title: Common Stock
transaction Date: 2026-11-01
transaction Form Type: 4
transaction Code: F
equity Swap Involved: 0
id: F2
transaction Shares: 777
transaction Price Per Share: 136.08
transaction Acquired Disposed Code: D
shares Owned Following Transaction: 11204
direct Or Indirect Ownership: D
nature Of Ownership:

Restricted Stock Units (derivative)

Owner: Ohlgart Christiane
Date: 2026-11-01
Code: M
Action: Exercise or conversion
Quantity: 685
Price: 0
Following holdings: 4,109
Reporting delay: 2 days
Filed terms and references: Filed terms
security Title: Restricted Stock Units
conversion Or Exercise Price: 0
id: F3
transaction Date: 2026-11-01
transaction Form Type: 4
transaction Code: M
equity Swap Involved: 0
id: F1
transaction Shares: 685
transaction Price Per Share: 0
transaction Acquired Disposed Code: D
id: F4
id: F5
underlying Security Title: Common Stock
underlying Security Shares: 685
shares Owned Following Transaction: 4109
direct Or Indirect Ownership: D
nature Of Ownership:

Restricted Stock Units (derivative)

Owner: Ohlgart Christiane
Date: 2026-11-01
Code: M
Action: Exercise or conversion
Quantity: 650
Price: 0
Following holdings: 5,851
Reporting delay: 2 days
Filed terms and references: Filed terms
security Title: Restricted Stock Units
conversion Or Exercise Price: 0
id: F3
transaction Date: 2026-11-01
transaction Form Type: 4
transaction Code: M
equity Swap Involved: 0
id: F1
transaction Shares: 650
transaction Price Per Share: 0
transaction Acquired Disposed Code: D
id: F6
id: F5
underlying Security Title: Common Stock
underlying Security Shares: 650
shares Owned Following Transaction: 5851
direct Or Indirect Ownership: D
nature Of Ownership:

Restricted Stock Units (derivative)

Owner: Ohlgart Christiane
Date: 2026-11-01
Code: M
Action: Exercise or conversion
Quantity: 301
Price: 0
Following holdings: 3,007
Reporting delay: 2 days
Filed terms and references: Filed terms
security Title: Restricted Stock Units
conversion Or Exercise Price: 0
id: F3
transaction Date: 2026-11-01
transaction Form Type: 4
transaction Code: M
equity Swap Involved: 0
id: F1
transaction Shares: 301
transaction Price Per Share: 0
transaction Acquired Disposed Code: D
id: F7
id: F5
underlying Security Title: Common Stock
underlying Security Shares: 301
shares Owned Following Transaction: 3007
direct Or Indirect Ownership: D
nature Of Ownership:

Purchases, sales, grants and option exercises are different transactions. The reported code identifies the action; it does not establish a motive.

Filing context

Quantities and prices are shown in the units filed. No trade value is inferred from their product.
Ohlgart Christiane: Chief Financial Officer.
F1: Vesting of restricted stock units ("RSUs") previously granted to the Reporting Person.
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.
F3: Each RSU represents a contingent right to receive one share of the Issuer's common stock.
F4: 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.
F5: RSUs and PSUs do not expire; they either vest or are canceled prior to the vesting date.
F6: 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.
F7: 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.

Original sources

SEC ownership filing

Prepared automatically from public filing data. Report a correction.

Security

Owner

Date

Code

Action

Quantity

Price

Following holdings

Reporting delay

Filed terms and references

Common Stock

Ohlgart Christiane

2026-11-01

Exercise or conversion

685

11,030

2 days

Filed terms

security Title: Common Stock
transaction Date: 2026-11-01
transaction Form Type: 4
transaction Code: M
equity Swap Involved: 0
id: F1
transaction Shares: 685
transaction Price Per Share: 0
transaction Acquired Disposed Code: A
shares Owned Following Transaction: 11030
direct Or Indirect Ownership: D
nature Of Ownership:

Common Stock

Ohlgart Christiane

2026-11-01

Exercise or conversion

650

11,680

2 days

Filed terms

security Title: Common Stock
transaction Date: 2026-11-01
transaction Form Type: 4
transaction Code: M
equity Swap Involved: 0
id: F1
transaction Shares: 650
transaction Price Per Share: 0
transaction Acquired Disposed Code: A
shares Owned Following Transaction: 11680
direct Or Indirect Ownership: D
nature Of Ownership:

Common Stock

Ohlgart Christiane

2026-11-01

Exercise or conversion

301

11,981

2 days

Filed terms

security Title: Common Stock
transaction Date: 2026-11-01
transaction Form Type: 4
transaction Code: M
equity Swap Involved: 0
id: F1
transaction Shares: 301
transaction Price Per Share: 0
transaction Acquired Disposed Code: A
shares Owned Following Transaction: 11981
direct Or Indirect Ownership: D
nature Of Ownership:

Common Stock

Ohlgart Christiane

2026-11-01

Tax/exercise withholding

777

136.08

11,204

2 days

Filed terms

security Title: Common Stock
transaction Date: 2026-11-01
transaction Form Type: 4
transaction Code: F
equity Swap Involved: 0
id: F2
transaction Shares: 777
transaction Price Per Share: 136.08
transaction Acquired Disposed Code: D
shares Owned Following Transaction: 11204
direct Or Indirect Ownership: D
nature Of Ownership:

Restricted Stock Units (derivative)

Ohlgart Christiane

2026-11-01

Exercise or conversion

685

4,109

2 days

Filed terms

security Title: Restricted Stock Units
conversion Or Exercise Price: 0
id: F3
transaction Date: 2026-11-01
transaction Form Type: 4
transaction Code: M
equity Swap Involved: 0
id: F1
transaction Shares: 685
transaction Price Per Share: 0
transaction Acquired Disposed Code: D
id: F4
id: F5
underlying Security Title: Common Stock
underlying Security Shares: 685
shares Owned Following Transaction: 4109
direct Or Indirect Ownership: D
nature Of Ownership:

Restricted Stock Units (derivative)

Ohlgart Christiane

2026-11-01

Exercise or conversion

650

5,851

2 days

Filed terms

security Title: Restricted Stock Units
conversion Or Exercise Price: 0
id: F3
transaction Date: 2026-11-01
transaction Form Type: 4
transaction Code: M
equity Swap Involved: 0
id: F1
transaction Shares: 650
transaction Price Per Share: 0
transaction Acquired Disposed Code: D
id: F6
id: F5
underlying Security Title: Common Stock
underlying Security Shares: 650
shares Owned Following Transaction: 5851
direct Or Indirect Ownership: D
nature Of Ownership:

Restricted Stock Units (derivative)

Ohlgart Christiane

2026-11-01

Exercise or conversion

301

3,007

2 days

Filed terms

security Title: Restricted Stock Units
conversion Or Exercise Price: 0
id: F3
transaction Date: 2026-11-01
transaction Form Type: 4
transaction Code: M
equity Swap Involved: 0
id: F1
transaction Shares: 301
transaction Price Per Share: 0
transaction Acquired Disposed Code: D
id: F7
id: F5
underlying Security Title: Common Stock
underlying Security Shares: 301
shares Owned Following Transaction: 3007
direct Or Indirect Ownership: D
nature Of Ownership:

Filing context

Quantities and prices are shown in the units filed. No trade value is inferred from their product.

Ohlgart Christiane: Chief Financial Officer.

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

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.

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

F4: 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.

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

F6: 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.

F7: 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.