FTNT

Fortinet, Inc.

NasdaqTechnologyComputer Peripheral Equipment, NEC

Insider activity for last month from 09/19 to 10/19.

How these metrics are calculated

Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.

Total buying$00 buys
Total selling$8.64k1 sells
Net open-market−$8.64kBuying minus selling
Active insiders8Distinct reporting owners

Insider activity report

Calendar-month buckets within the selected date range

Latest filing: Oct 01, 2026

Open-market transaction mix · 1 transactions in the selected period
0 buys0%·100%1 sells

Code A includes awards, grants and other acquisitions; these are not open-market buys. A rolling period can include partial calendar months.

View exact monthly counts and disclosed values
Monthly activity within the selected period; unknown values remain unknown.
MonthBuysSellsAwards (A)Buy valueSell valueNet P/S value
Sep 2026010$0$8.64k-$8.64k
Oct 2026000$0$0$0

Distinct insiders active

Reporting-owner CIKs by month · peak Sep 2026 (8)
Sep 2026: 8 insidersOct 2026: 0 insiders
Sep 2026Oct 2026
8distinct insiders in selected period
Largest insider activity
By absolute net disclosed value · current transaction page
5 insiders
  • OC
    Ohlgart ChristianeCFO · 0 buys · 1 sells · 0 awards (A)
    -$8.6klast 09/25/2026
  • SG
    Stavridis James G.DIR · 0 buys · 0 sells · 0 awards (A)
    +$0last 10/01/2026
  • GA
    Goldman Kenneth ADIR · 0 buys · 0 sells · 0 awards (A)
    +$0last 10/01/2026
  • HX
    Hu Jean X.DIR · 0 buys · 0 sells · 0 awards (A)
    +$0last 10/01/2026
  • KT
    Kan Derek T.DIR · 0 buys · 0 sells · 0 awards (A)
    +$0last 10/01/2026

FTNT transaction history

Newest filings · 20 transactions per page

Latest insider transactions

Form 4 filings from last month.
Newest company filings
CompanyInsiderActivityDisclosed valueFiled (ET)
FTNTFortinet, Inc.
Stavridis James G.DIRM · exerciseDerivative securitySEC filing ↗$0View disclosure →
FTNTFortinet, Inc.
Stavridis James G.DIRM · exerciseSEC filing ↗$0View disclosure →
FTNTFortinet, Inc.
Goldman Kenneth ADIRM · exerciseDerivative securitySEC filing ↗$0View disclosure →
FTNTFortinet, Inc.
Goldman Kenneth ADIRM · exerciseSEC filing ↗$0View disclosure →
FTNTFortinet, Inc.
Hu Jean X.DIRM · exerciseDerivative securitySEC filing ↗$0View disclosure →
FTNTFortinet, Inc.
Hu Jean X.DIRM · exerciseSEC filing ↗$0View disclosure →
FTNTFortinet, Inc.
Kan Derek T.DIRM · exerciseDerivative securitySEC filing ↗$0View disclosure →
FTNTFortinet, Inc.
Kan Derek T.DIRM · exerciseSEC filing ↗$0View disclosure →
FTNTFortinet, Inc.
Napolitano JanetDIRM · exerciseDerivative securitySEC filing ↗$0View disclosure →
FTNTFortinet, Inc.
Napolitano JanetDIRM · exerciseSEC filing ↗$0View disclosure →
FTNTFortinet, Inc.
Hsieh MingDIRM · exerciseDerivative securitySEC filing ↗$0View disclosure →
FTNTFortinet, Inc.
Hsieh MingDIRM · exerciseSEC filing ↗$0View disclosure →
FTNTFortinet, Inc.
Sim JudithDIRM · exerciseDerivative securitySEC filing ↗$0View disclosure →
FTNTFortinet, Inc.
Sim JudithDIRM · exerciseSEC filing ↗$0View disclosure →
FTNTFortinet, Inc.
Ohlgart ChristianeCFOS · sale10b5-1 detectedSEC filing ↗-$8.64kView disclosure →
Recent filing activity
Most recent 6 transactions on this page · color = transaction code

Filing detail checks

Secondary metrics for the selected period
Largest buy-
Largest sale$8.64k
10b5-1 detected1
Amended rows0

Transaction codes

By Form 4 transaction code in selected period
15transactionstxns
  • M · Option exercise · dominant14 · 93%
  • S · Open-market sells1 · 7%

Activity by reported role

A joint filing can contribute to multiple roles
Director14
Chief financial officer1

Reported Holdings After

Separated by insider, security, and ownership type

Ohlgart ChristianeCommon Stock · Direct
10.3k10.3kSep 24, 2026Sep 24, 2026
10,345Sep 24, 2026
Sim JudithCommon Stock · Direct
130.0k130.0kSep 30, 2026Sep 30, 2026
130,001Sep 30, 2026
Sim JudithRestricted Stock Units · Direct
1.4k1.4kSep 30, 2026Sep 30, 2026
1,377Sep 30, 2026
Hsieh MingCommon Stock · Direct
10.1k10.1kSep 30, 2026Sep 30, 2026
10,056Sep 30, 2026
Hsieh MingRestricted Stock Units · Direct
1.4k1.4kSep 30, 2026Sep 30, 2026
1,377Sep 30, 2026
Napolitano JanetCommon Stock · Direct
4.7k4.7kSep 30, 2026Sep 30, 2026
4,733Sep 30, 2026
Napolitano JanetRestricted Stock Units · Direct
1.4k1.4kSep 30, 2026Sep 30, 2026
1,377Sep 30, 2026
Kan Derek T.Common Stock · Direct
459459Sep 30, 2026Sep 30, 2026
459Sep 30, 2026

These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.

Filing activity heatmap
Current transaction page only · each cell is a filing date · buys green, sells red
2 active days
Sep 19 → Oct 19
LessMore

Fortinet, Inc. Insider Activity FAQ

SEC Form 4 context

Who recently reported transactions at Fortinet, Inc.?

STAVRIDIS JAMES G., GOLDMAN KENNETH A, Hu Jean X., Kan Derek T., Napolitano Janet, Hsieh Ming, Sim Judith, Ohlgart Christiane.

When was the latest reported open-market purchase?

No code-P purchase is available for this period.

When was the latest reported open-market sale?

Ohlgart Christiane reported a sale on Sep 24, 2026 valued at $8.64k. Read the SEC filing.

What is the recent purchase and sale balance?

Net open-market selling in the selected period was $8,640.00. Sales can occur for many non-investment reasons.

Where can I see the original SEC filing?

Every transaction row and latest-activity fact links to its original SEC filing.

What do these Form 4 transaction codes mean?

P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.