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SEC Form 4 research

F5 NETWORKS, INC. insider transactions

Inspect F5 NETWORKS, INC.'s public SEC insider acquisitions and sales, reporting owners and source receipts.

As of 2026-10-15T08:02:39.132Z

Issuer CIK
0001048695
Reporting owners
64
Officers and directors
44
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What is a Form 4?

Animation: what a Form 4 is, shown with one real example. Sonic Automotive (SAH) reporting owner Paul P. Rusnak bought 13,701 shares at $59.78 on Wednesday, October 7, 2026, transaction code P, an open-market purchase (S is a sale and A is an award from the company). A timeline marks the SEC's two-business-day filing deadline, which ends Friday, October 9. The SEC accepted the Form 4 at 4:33:21 PM ET on October 9, and NexusTrade treats it as public one minute later, at 4:34:21 PM ET. A lamp for NexusTrade's InsiderTrades indicator stays off from the trade date until that moment, then counts one purchase worth 13,701 × $59.78 = $819,045.78.
In this example the shares were bought on Oct 7, 2026, and NexusTrade's InsiderTrades indicator can count the purchase starting at 4:34:21 PM ET on Oct 9, one minute after the SEC accepted the Form 4.

A Form 4 is the SEC filing a company insider, such as an officer, director or 10% owner, uses to report a trade in the company's stock, generally within two business days. The animation follows one real filing as an example: Paul P. Rusnak's purchase of Sonic Automotive (SAH) shares on October 7, 2026.

The same reading applies to every row on this page. The trade date is when the shares changed hands. The available date is when NexusTrade treats the filing as public, and a NexusTrade InsiderTrades indicator counts a purchase (code P) or sale (code S) only from that moment. Code A awards are not counted as purchases.

Read one actual disclosure before using it

Show the table · 1 row, 7 columns

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2026-09-152026-09-14MONTOYA MICHAEL FS80$414.18Not reported

First displayed source row from Recent insider disclosures. The full bounded history and coverage notes remain below.

The displayed observation date is 2026-09-14 and its public availability date is 2026-09-15. Subtracting those calendar dates gives 1 day of disclosure lag. Historical public research can use the record from the availability date, rather than backdating knowledge to the observation date. The calendar-day difference does not assert an intraday publication time.

This row is code S: a sale. A purchase-following rule excludes this sale even if the reported dollar amount is large.

Open the linked original receipts to verify the row, then inspect a second record before drawing a pattern. This public filing observation supplies source evidence, not a completed copy-trading return.

SEC accession 0001869466-26-000012 ↗SEC accession 0001869466-26-000012 ↗SEC accession 0001869466-26-000012 ↗

Recent insider disclosures

Inspect all 30 displayed rows: Recent insider disclosures

This table includes purchases, sales and awards in the public filing record. Awards and open-market purchases are distinct transaction codes. For historical research, use the public availability date to determine when the transaction was knowable.

Read code P as a purchase, S as a sale and A as an award. An award is an acquisition, but it is not an open-market purchase. Open the filing receipt to check the transaction details.

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2026-09-152026-09-14MONTOYA MICHAEL FS80$414.18Not reported
2026-09-152026-09-14MONTOYA MICHAEL FS440$413.31Not reported
2026-09-152026-09-14MONTOYA MICHAEL FS920$412.38Not reported
2026-09-152026-09-14MONTOYA MICHAEL FS1,173$411.5Not reported
2026-09-152026-09-14MONTOYA MICHAEL FS277$410.37Not reported
2026-09-152026-09-14MONTOYA MICHAEL FS240$408.96Not reported
2026-09-152026-09-14MONTOYA MICHAEL FS1,296$406.24Not reported
2026-09-152026-09-14Maddison John AnthonyS204$406.24Not reported
2026-09-032026-09-01OKEKE ANGELIQUE MA3,002$0Not reported
2026-08-072026-08-05FOUNTAIN THOMAS DEANS1,208$414.63Not reported
2026-08-072026-08-05Locoh-Donou FrancoisS40$416.83Not reported
2026-08-072026-08-05Locoh-Donou FrancoisS200$415.97Not reported
2026-08-072026-08-05Locoh-Donou FrancoisS284$415.03Not reported
2026-08-072026-08-05Locoh-Donou FrancoisS320$414.1Not reported
2026-08-072026-08-05Locoh-Donou FrancoisS996$412.9Not reported
2026-08-072026-08-05Locoh-Donou FrancoisS642$411.82Not reported
2026-08-072026-08-05Locoh-Donou FrancoisS1,100$410.94Not reported
2026-08-072026-08-05Locoh-Donou FrancoisS200$409.68Not reported
2026-08-052026-08-03Peterman Catherine AA8,618$0Not reported
2026-08-052026-08-03OKEKE ANGELIQUE MS515$404.49Not reported
2026-08-052026-08-03Maddison John AnthonyS1,000$405.85Not reported
2026-08-052026-08-03Werner Edward CooperS599$405.92Not reported
2026-08-052026-08-03ANAND KUNALS392$404.63Not reported
2026-08-052026-08-03WHALEN CHAD MICHAELS703$404.86Not reported
2026-08-042026-07-30MEHTA NIKHIL RAMESHS198$391.72Not reported
2026-08-042026-07-30MEHTA NIKHIL RAMESHS458$390.93Not reported
2026-08-042026-07-30MEHTA NIKHIL RAMESHS992$390.07Not reported
2026-08-042026-07-30MEHTA NIKHIL RAMESHS692$388.68Not reported
2026-08-042026-07-30MEHTA NIKHIL RAMESHS717$388.1Not reported
2026-08-042026-07-30MEHTA NIKHIL RAMESHS943$387.07Not reported

Most recent 90-day source activity, up to 50 rows. No rows means no matching recent records, not no historical activity.

Officers and directors in the directory

Inspect all 46 displayed rows: Officers and directors in the directory

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DiLullo John D000134634542
MYERS MARIE000165632634
Buse Elizabeth000142842519
Pelzer Francis J.000149212593
BERGERON SANDRA E.000127994922
WHALEN CHAD MICHAEL000174664094
MCMILLAN STEPHEN000171972341
SPRAGUE KARA LYNN00017207639
HIGGINSON ALAN000118603042
Lin Geng000178059916
Yamamoto Mika000177143340
Chadwick Jonathan0001375800228
Budnik Marianne00015292945
Kearny Ryan C.000168458128
AMES A GARY000121441410
ANAND KUNAL00020168573
Anderson Mark0001417100119
BEVIER DEBORAH L000118409920
CHRISTIANSON JEFFREY A000110503355
Dreyer Michael L00015602978
EAMES EDWARD JULIAN000113208982
Feringa Thomas David000155121737
FOUNTAIN THOMAS DEAN000172833080
Gibson Benjamin00016810073
GRINSTEIN KEITH00010148011
GUELICH KARL00012019408
HULL M THOMAS00011385441
Locoh-Donou Francois0001526624244
Lynch Christopher P.00014129735
Maddison John Anthony00020460544
Matte Dan000129265657
MCADAM JOHN000118603198
MEHTA NIKHIL RAMESH00017647276
MONTOYA MICHAEL F00018694667
OKEKE ANGELIQUE M00020606503
PANCOTTINE JEFF00012019391
Reinland Andrew0001342165121
REITER JOANN00011860342
Rivelo Manuel Felix000143131542
ROBERTSON ANGUS JAMES BRUCE00017758871
Rodriguez John Edward000134216647
Rogers Scot Frazier0001588334101
SCHRAMM LYRA AMBER00020154564
TRIEBES KARL D000120047489
Werner Edward Cooper000204264710
WHITE ANA MARIA000172888044
DiLullo John D ↗MYERS MARIE ↗Buse Elizabeth ↗Pelzer Francis J. ↗BERGERON SANDRA E. ↗WHALEN CHAD MICHAEL ↗MCMILLAN STEPHEN ↗SPRAGUE KARA LYNN ↗HIGGINSON ALAN ↗Lin Geng ↗Yamamoto Mika ↗Chadwick Jonathan ↗Budnik Marianne ↗Kearny Ryan C. ↗AMES A GARY ↗ANAND KUNAL ↗Anderson Mark ↗BEVIER DEBORAH L ↗CHRISTIANSON JEFFREY A ↗Dreyer Michael L ↗EAMES EDWARD JULIAN ↗Feringa Thomas David ↗FOUNTAIN THOMAS DEAN ↗Gibson Benjamin ↗GRINSTEIN KEITH ↗GUELICH KARL ↗HULL M THOMAS ↗Locoh-Donou Francois ↗Lynch Christopher P. ↗Maddison John Anthony ↗Matte Dan ↗MCADAM JOHN ↗MEHTA NIKHIL RAMESH ↗MONTOYA MICHAEL F ↗OKEKE ANGELIQUE M ↗PANCOTTINE JEFF ↗Reinland Andrew ↗REITER JOANN ↗Rivelo Manuel Felix ↗ROBERTSON ANGUS JAMES BRUCE ↗Rodriguez John Edward ↗Rogers Scot Frazier ↗SCHRAMM LYRA AMBER ↗TRIEBES KARL D ↗Werner Edward Cooper ↗WHITE ANA MARIA ↗

Which transactions qualify for the company tracker

The company strategy uses verified officers and directors with qualifying acquisitions at this issuer. Other reporting owners may appear in source records without becoming strategy signals.

Strategy eligibility is held while filing coverage is unresolved.

Historical follower simulations are separate from these source transactions. They do not establish live trading results.