FOUNTAIN THOMAS DEAN

Officer · FFIV

As of 2026-09-27, FOUNTAIN THOMAS DEAN has 86 Form 4 transactions on record across 1 company — 41 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Pattern in the record: open-market sales filed in August in multiple years since 2024 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $3.6MIndirect: $0$3.6Mas of 2026-09-27
  • Direct $3.6M
  • Indirect $0
FFIVdirect8,060 sh$3.6M

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

FFIV · 86 trades
2026-08-05: Sale, 1,208 sh ($501K)2026-08-01: Withheld for tax, 1,492 sh ($601K)2026-08-01: Option exercise, 2,700 sh ($0)2026-08-01: Option exercise, 708 sh ($0)2026-08-01: Option exercise, 1,042 sh ($0)2026-08-01: Option exercise, 950 sh ($0)2026-05-05: Sale, 1,328 sh ($439K)2026-05-01: Withheld for tax, 1,373 sh ($444K)2026-05-01: Option exercise, 1,042 sh ($0)2026-05-01: Option exercise, 708 sh ($0)2026-05-01: Option exercise, 951 sh ($0)2026-05-01: Option exercise, 2,701 sh ($0)2026-02-10: Sale, 1,297 sh ($361K)2026-02-01: Withheld for tax, 1,402 sh ($386K)2026-02-01: Option exercise, 1,042 sh ($0)2026-02-01: Option exercise, 950 sh ($0)2026-02-01: Option exercise, 2,699 sh ($0)2026-02-01: Option exercise, 707 sh ($0)2026-01-26: Sale, 3,343 sh ($875K)2026-01-20: Sale, 1,110 sh ($292K)2026-01-12: Sale, 1,110 sh ($294K)2026-01-05: Sale, 1,110 sh ($293K)2025-12-29: Sale, 1,100 sh ($289K)2025-12-22: Sale, 1,110 sh ($286K)2025-12-15: Sale, 1,110 sh ($294K)2025-12-08: Sale, 1,110 sh ($276K)2025-12-01: Sale, 1,110 sh ($263K)2025-11-24: Sale, 1,110 sh ($261K)2025-11-18: Sale, 1,110 sh ($252K)2025-11-03: Sale, 3,265 sh ($814K)2025-11-03: Sale, 2,161 sh ($543K)2025-11-03: Sale, 1,683 sh ($418K)2025-11-03: Sale, 1,095 sh ($274K)2025-11-03: Sale, 114 sh ($29K)2025-11-03: Award / grant, 8,493 sh ($0)2025-11-01: Withheld for tax, 11,787 sh ($3.0M)2025-11-01: Option exercise, 3,003 sh ($0)2025-11-01: Option exercise, 1,043 sh ($0)2025-11-01: Option exercise, 1,009 sh ($0)2025-11-01: Option exercise, 951 sh ($0)2025-10-31: Award / grant, 18,896 sh ($0)2025-08-04: Sale, 1,347 sh ($417K)2025-08-01: Withheld for tax, 1,615 sh ($506K)2025-08-01: Option exercise, 1,042 sh ($0)2025-08-01: Option exercise, 950 sh ($0)2025-08-01: Option exercise, 3,001 sh ($0)2025-08-01: Option exercise, 1,009 sh ($0)2025-05-02: Sale, 1,347 sh ($362K)2025-05-01: Withheld for tax, 1,523 sh ($403K)2025-05-01: Option exercise, 951 sh ($0)2025-05-01: Option exercise, 1,009 sh ($0)2025-05-01: Option exercise, 1,042 sh ($0)2025-05-01: Option exercise, 3,002 sh ($0)2025-02-03: Sale, 1,314 sh ($386K)2025-02-01: Withheld for tax, 1,545 sh ($459K)2025-02-01: Option exercise, 3,001 sh ($0)2025-02-01: Option exercise, 1,042 sh ($0)2025-02-01: Option exercise, 950 sh ($0)2025-02-01: Option exercise, 1,009 sh ($0)2024-11-04: Sale, 2,477 sh ($576K)2024-11-04: Sale, 715 sh ($165K)2024-11-04: Sale, 540 sh ($124K)2024-11-04: Sale, 200 sh ($47K)2024-11-01: Withheld for tax, 8,534 sh ($2.0M)2024-11-01: Award / grant, 11,406 sh ($0)2024-11-01: Option exercise, 1,043 sh ($0)2024-11-01: Option exercise, 678 sh ($0)2024-11-01: Option exercise, 2,730 sh ($0)2024-11-01: Option exercise, 1,009 sh ($0)2024-10-31: Award / grant, 14,122 sh ($0)2024-08-02: Sale, 851 sh ($164K)2024-08-01: Option exercise, 1,009 sh ($0)2024-08-01: Option exercise, 678 sh ($0)2024-08-01: Option exercise, 1,042 sh ($0)2024-08-01: Option exercise, 1,009 sh ($0)2024-08-01: Option exercise, 678 sh ($0)2024-08-01: Withheld for tax, 1,382 sh ($0)2024-08-01: Option exercise, 1,042 sh ($0)2024-05-02: Sale, 851 sh ($143K)2024-05-01: Option exercise, 1,009 sh ($0)2024-05-01: Option exercise, 1,042 sh ($0)2024-05-01: Option exercise, 1,009 sh ($0)2024-05-01: Option exercise, 678 sh ($0)2024-05-01: Withheld for tax, 1,382 sh ($0)2024-05-01: Option exercise, 1,042 sh ($0)2024-05-01: Option exercise, 678 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-08-05FFIVSale1,208 @ $414.63$501K−13.0% of holding8,060Form 4
2026-05-05FFIVSale1,328 @ $330.58$439K−14.1% of holding8,060Form 4
2026-02-10FFIVSale1,297 @ $278.32$361K−13.9% of holding8,060Form 4
2026-01-26FFIVSale3,343 @ $261.87$875K−29.3% of holding8,060Form 4
2026-01-20FFIVSale1,110 @ $262.73$292K−8.9% of holding11,403Form 4
2026-01-12FFIVSale1,110 @ $265.00$294K−8.1% of holding12,513Form 4
2026-01-05FFIVSale1,110 @ $263.79$293K−7.5% of holding13,623Form 4
2025-12-29FFIVSale1,100 @ $262.86$289K−6.9% of holding14,733Form 4
2025-12-22FFIVSale1,110 @ $257.90$286K−6.6% of holding15,833Form 4
2025-12-15FFIVSale1,110 @ $264.76$294K−6.1% of holding16,943Form 4
2025-12-08FFIVSale1,110 @ $248.66$276K−5.8% of holding18,053Form 4
2025-12-01FFIVSale1,110 @ $236.99$263K−5.5% of holding19,163Form 4
2025-11-24FFIVSale1,110 @ $234.91$261K−5.2% of holding20,273Form 4
2025-11-18FFIVSale1,110 @ $227.44$252K−4.9% of holding21,383Form 4
2025-11-03FFIVSale3,265 @ $249.38$814K−11.2% of holding25,863Form 4
2025-11-03FFIVSale2,161 @ $251.05$543K−8.7% of holding22,607Form 4
2025-11-03FFIVSale1,683 @ $248.44$418K−5.5% of holding29,128Form 4
2025-11-03FFIVSale1,095 @ $250.18$274K−4.2% of holding24,768Form 4
2025-11-03FFIVSale114 @ $252.98$29K−0.5% of holding22,493Form 4
2025-08-04FFIVSale1,347 @ $309.73$417K−6.1% of holding20,699Form 4
2025-05-02FFIVSale1,347 @ $269.03$362K−6.1% of holding20,660Form 4
2025-02-03FFIVSale1,314 @ $293.40$386K−6.0% of holding20,528Form 4
2024-11-04FFIVSale2,477 @ $232.41$576K−10.7% of holding20,586Form 4
2024-11-04FFIVSale715 @ $231.30$165K−3.0% of holding23,063Form 4
2024-11-04FFIVSale540 @ $229.98$124K−2.2% of holding23,778Form 4
2024-11-04FFIVSale200 @ $232.99$47K−1.0% of holding20,386Form 4
2024-08-02FFIVSale851 @ $192.71$164K−5.1% of holding16,000Form 4
2024-05-02FFIVSale851 @ $167.53$143K−5.2% of holding15,504Form 4
58 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-01FFIVWithheld for tax1,4929,268Form 4
2026-08-01FFIVOption exercise2,70010,760Form 4
2026-08-01FFIVOption exercise7086,370Form 4
2026-08-01FFIVOption exercise1,0421,043Form 4
2026-08-01FFIVOption exercise9504,753Form 4
2026-05-01FFIVWithheld for tax1,3739,388Form 4
2026-05-01FFIVOption exercise1,0422,085Form 4
2026-05-01FFIVOption exercise7087,078Form 4
2026-05-01FFIVOption exercise9515,703Form 4
2026-05-01FFIVOption exercise2,70110,761Form 4
2026-02-01FFIVWithheld for tax1,4029,357Form 4
2026-02-01FFIVOption exercise1,0423,127Form 4
2026-02-01FFIVOption exercise9506,654Form 4
2026-02-01FFIVOption exercise2,69910,759Form 4
2026-02-01FFIVOption exercise7077,786Form 4
2025-11-03FFIVAward / grant8,4938,493Form 4
2025-11-01FFIVWithheld for tax11,78730,811Form 4
2025-11-01FFIVOption exercise3,00342,598Form 4
2025-11-01FFIVOption exercise1,0434,169Form 4
2025-11-01FFIVOption exercise1,0090Form 4
2025-11-01FFIVOption exercise9517,604Form 4
2025-10-31FFIVAward / grant18,89639,595Form 4
2025-08-01FFIVWithheld for tax1,61522,046Form 4
2025-08-01FFIVOption exercise1,0425,212Form 4
2025-08-01FFIVOption exercise9508,555Form 4
2025-08-01FFIVOption exercise3,00123,661Form 4
2025-08-01FFIVOption exercise1,0091,009Form 4
2025-05-01FFIVWithheld for tax1,52322,007Form 4
2025-05-01FFIVOption exercise9519,505Form 4
2025-05-01FFIVOption exercise1,0092,018Form 4
2025-05-01FFIVOption exercise1,0426,254Form 4
2025-05-01FFIVOption exercise3,00223,530Form 4
2025-02-01FFIVWithheld for tax1,54521,842Form 4
2025-02-01FFIVOption exercise3,00123,387Form 4
2025-02-01FFIVOption exercise1,0427,296Form 4
2025-02-01FFIVOption exercise95010,456Form 4
2025-02-01FFIVOption exercise1,0093,027Form 4
2024-11-01FFIVWithheld for tax8,53424,318Form 4
2024-11-01FFIVAward / grant11,40611,406Form 4
2024-11-01FFIVOption exercise1,0438,338Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

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