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FTNT

Fortinet

XNAS · COMPUTER PERIPHERAL EQUIPMENT, NEC

14 articles20 insider tx20 holders0 supply chain10 selling intent filings1 new insider

Research articles

Includes notes from domestic 8-K and foreign private issuer 6-K disclosures.

SELLING INTENT

2 Fortinet Insiders Filed Intent to Sell 7,833 Shares (~$0.7M)

Fortinet (FTNT) had 2 Form 144 pre-sale notices filed on 2026-05-04. Form 144 filings signal an insider's intent to sell securities under SEC Rule 144 — they do not confirm a completed transaction. At least one filing…

5/13/2026

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Recent insider activity

Insider net $ (monthly)open-market Form 4 only - grants, exercises, tax withholding excluded$100.0M$50.0M$0-$50.0M-$100.0M2024-10 -$3.8M2024-11 -$16.7M2024-12 -$4.4M2025-01 -$4.3M2025-02 -$9.5M2025-03 -$52.3M2025-04 $02025-05 -$17.2M2025-06 -$87K2025-07 $02025-08 -$62.6M2025-09 $02025-10 $02025-11 -$14.0M2025-12 $02026-01 $02026-02 -$42.3M2026-03 $02026-04 $02026-05 -$19.7M2026-06 -$24.0M2026-07 $02026-08 -$26.8M2026-09 -$9.4MInstitutional shares (majority-gated quarters)500.0M250.0M02025-Q4 201.3M sh2026-Q1 133.6M sh2026-Q2 140.0M shOct 24Dec 24Feb 25Apr 25Jun 25Aug 25Oct 25Dec 25Feb 26Apr 26Jun 26Aug 26Q4 2025Q1 2026Q2 2026~ derived from SEC-reported shares x price. Hatched: excluded (implausible price) or unpriced.

open-market Form 4 only - grants, exercises, tax withholding excluded

0 buyers - 5 unique sellers · 8 accumulating - 4 trimming - 1 unchanged

Date Insider Title Type Shares Price Value
September 30, 2026 Sim Judith — OPTION_EXERCISE -459 — —
September 30, 2026 Sim Judith — OPTION_EXERCISE 459 — —
September 30, 2026 Hsieh Ming — OPTION_EXERCISE -459 — —
September 30, 2026 Hsieh Ming — OPTION_EXERCISE 459 — —
September 30, 2026 Napolitano Janet — OPTION_EXERCISE -459 — —
September 30, 2026 Napolitano Janet — OPTION_EXERCISE 459 — —
September 30, 2026 Kan Derek T. — OPTION_EXERCISE -459 — —
September 30, 2026 Kan Derek T. — OPTION_EXERCISE 459 — —
September 30, 2026 Hu Jean X. — OPTION_EXERCISE -459 — —
September 30, 2026 Stavridis James G. — OPTION_EXERCISE 459 — —
September 30, 2026 Stavridis James G. — OPTION_EXERCISE -459 — —
September 30, 2026 Goldman Kenneth A — OPTION_EXERCISE 459 — —
September 30, 2026 Goldman Kenneth A — OPTION_EXERCISE -459 — —
September 30, 2026 Hu Jean X. — OPTION_EXERCISE 459 — —
September 24, 2026 Ohlgart Christiane Chief Financial Officer SELL -48 $180 ~$9K
September 15, 2026 Whittle John CHIEF OPERATING OFFICER OPTION_EXERCISE 2,835 $62 ~$0.2M
September 15, 2026 Whittle John CHIEF OPERATING OFFICER SELL -2,835 $169 ~$0.5M
September 15, 2026 Whittle John CHIEF OPERATING OFFICER OPTION_EXERCISE -2,835 — —
September 14, 2026 Whittle John CHIEF OPERATING OFFICER OPTION_EXERCISE 53,865 $62 ~$3.3M
September 14, 2026 Whittle John CHIEF OPERATING OFFICER SELL -52,707 $165 ~$8.7M

Insider Selling Intent (Form 144)

Date Filer Relationship Est. shares Filing
September 24, 2026 Margrit Christiane Ohlgart — 48 SEC
September 14, 2026 John Whittle — 56,700 SEC
August 4, 2026 Margrit Christiane Ohlgart — 387 SEC
August 3, 2026 Michael Xie — 3,121 SEC
August 3, 2026 Ken Qing Xie — 161,482 SEC
June 3, 2026 Michael Xie — 3,907 SEC
June 2, 2026 Ken Qing Xie — 160,632 SEC
May 21, 2026 John Whittle — 146,015 SEC
May 20, 2026 Margrit Christiane Ohlgart — 238 SEC
May 14, 2026 Margrit Christiane Ohlgart — 756 SEC

New Insiders (Form 3)

Date Insider Title Relationship Shares Filing
June 18, 2026 — — — — SEC

Institutional holdings

Institution Shares Value ($) Change % Filing date
BlackRock 62,242,221 ~$9.6B 0.4% August 7, 2026
Vanguard Group 73,745,561 ~$5.9B — January 29, 2026
BlackRock 61,968,733 ~$5.1B 1.2% May 13, 2026
BlackRock 61,215,505 ~$4.9B — February 12, 2026
State Street 29,630,652 ~$4.6B 2.4% August 7, 2026
BlackRock 55,236,829 ~$3.3B — August 13, 2024
State Street 28,929,635 ~$2.4B -0.7% May 15, 2026
State Street 29,140,849 ~$2.3B — February 13, 2026
Goldman Sachs 8,803,102 ~$1.4B -10.1% August 14, 2026
AQR Capital 8,673,742 ~$1.3B 11.6% August 14, 2026
Morgan Stanley 8,561,672 ~$1.3B -3.2% August 13, 2026
Goldman Sachs 9,796,063 ~$800.5M 16.9% May 15, 2026
JP Morgan Chase 5,025,187 ~$781.0M 4.8% August 12, 2026
DE Shaw 4,849,811 ~$745.0M 65.7% August 14, 2026
Morgan Stanley 8,844,318 ~$722.8M 6.4% May 15, 2026
Citadel Advisors 4,430,764 ~$680.7M 46.0% August 14, 2026
Goldman Sachs 8,376,482 ~$665.2M — March 25, 2026
Morgan Stanley 8,312,273 ~$660.1M — May 27, 2026
AQR Capital 7,771,945 ~$627.9M 89.1% May 15, 2026
Fidelity (FMR) 3,087,344 ~$474.3M -8.9% August 13, 2026
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