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CIK 0001048695 · Large accelerated filer

Ticker
FFIV
Exchange
Nasdaq
Industry
Computer Communications Equipment
FY end
Sep 30
Incorporated
WA
Entity type
operating
EIN
911714307
Phone
2062725555
Business address
801 5TH AVENUE, SEATTLE, WA, 98104
Former names
F5 NETWORKS, INC., F5 NETWORKS INC
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$10,263,851
in 10 filings, $10.3M under 10b5-1 plans

Net −$10,263,851. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-03-11 Buse Elizabeth Director Option exercise · Restricted Stock Unit −934 0
2026-03-11 HIGGINSON ALAN Director Option exercise +934 7,774
2026-03-11 HIGGINSON ALAN Director Option exercise · Restricted Stock Unit −934 0
2026-03-06 WHALEN CHAD MICHAEL EVP, Worldwide Sales Sale 10b5-1 −688 $277.05 $191K 26,329
2026-03-04 Werner Edward Cooper Chief Financial Officer Sale 10b5-1 −40 $278.21 $11K 6,234
2026-03-04 Werner Edward Cooper Chief Financial Officer Sale 10b5-1 −560 $280.56 $157K 5,674
2026-03-04 Werner Edward Cooper Chief Financial Officer Sale 10b5-1 −80 $282.23 $23K 5,594
2026-03-04 Werner Edward Cooper Chief Financial Officer Sale 10b5-1 −80 $284.74 $23K 5,514
2026-03-04 Werner Edward Cooper Chief Financial Officer Sale 10b5-1 −209 $286.39 $60K 5,305
2026-03-04 Locoh-Donou Francois President, CEO & Director Sale 10b5-1 −120 $278.12 $33K 153,958
2026-03-04 Locoh-Donou Francois President, CEO & Director Sale 10b5-1 −307 $279.73 $86K 153,651
2026-03-04 Locoh-Donou Francois President, CEO & Director Sale 10b5-1 −693 $280.73 $195K 152,958
2026-03-04 Locoh-Donou Francois President, CEO & Director Sale 10b5-1 −280 $281.99 $79K 152,678
2026-03-04 Locoh-Donou Francois President, CEO & Director Sale 10b5-1 −160 $282.71 $45K 152,518
2026-03-04 Locoh-Donou Francois President, CEO & Director Sale 10b5-1 −360 $284.13 $102K 152,158
2026-03-04 Locoh-Donou Francois President, CEO & Director Sale 10b5-1 −720 $285.03 $205K 151,438
2026-03-04 Locoh-Donou Francois President, CEO & Director Sale 10b5-1 −995 $286.20 $285K 150,443
2026-03-04 Locoh-Donou Francois President, CEO & Director Sale 10b5-1 −120 $286.67 $34K 150,323
2026-02-20 Dreyer Michael L Director Sale −3,067 $282.41 $866K 1,309
2026-02-19 HIGGINSON ALAN Director Sale −1,770 $275.25 $487K 6,840

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