Michael L Dreyer

CIK 1560297 · View on SEC EDGAR ↗

Insider

First SEC filing: Aug. 30, 2024 · Latest: Aug. 30, 2024

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Insider at

Insider transactions

0 buys (P) 1 sells (S) Net: $-1,676,262 + 60 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

60 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Nov. 14, 2025 COHR S 11,570 $144.88 $1,676,262 12,085 Direct -48.91% Disposed 93.5% (price as of 2026-08-20)
May 27, 2025 FFIV S 1,800 $285.96 $514,728 4,376 Direct -29.15% Disposed 32.4% (price as of 2026-08-20)
June 5, 2024 COHR S 14,239 $66.61 $948,460 18,552 Direct -43.42% Disposed 321.0% (price as of 2026-08-20)
May 30, 2024 FFIV S 2,250 $167.93 $377,842 4,867 Direct -31.61% Disposed 125.5% (price as of 2026-08-20)
May 24, 2023 FFIV S 2,750 $143.19 $393,772 5,347 Direct -33.96% Disposed 164.4% (price as of 2026-08-20)
May 3, 2021 FFIV S 6,000 $187.14 $1,122,840 5,543 Direct -51.98% Disposed 102.3% (price as of 2026-08-20)
Aug. 21, 2018 FFIV S 5,679 $183.03 $1,039,427 5,679 Direct -50.00% Disposed 106.9% (price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date Ticker Security Underlying Exercise price Expiration Shares A/D
March 13, 2025 FFIV Restricted Stock Unit [F1] Common Stock (934) $0.00 — 934 Acquired
March 12, 2025 FFIV Restricted Stock Unit [F1] Common Stock (1,309) $0.00 — 1,309 Disposed
March 14, 2024 FFIV Restricted Stock Unit [F2] Common Stock (1,309) $0.00 — 1,309 Acquired
March 13, 2024 FFIV Restricted Stock Unit [F2] Common Stock (1,770) $0.00 — 1,770 Disposed
March 9, 2023 FFIV Restricted Stock Unit [F2] Common Stock (1,770) $0.00 — 1,770 Acquired
March 8, 2023 FFIV Restricted Stock Unit [F2] Common Stock (1,272) $0.00 — 1,272 Disposed
March 10, 2022 FFIV Restricted Stock Unit [F2] Common Stock (1,272) $0.00 — 1,272 Acquired
March 9, 2022 FFIV Restricted Stock Unit [F2] Common Stock (1,282) $0.00 — 1,282 Disposed
March 11, 2021 FFIV Restricted Stock Unit [F2] Common Stock (1,282) $0.00 — 1,282 Acquired
March 10, 2021 FFIV Restricted Stock Unit [F2] Common Stock (2,543) $0.00 — 2,543 Disposed
March 12, 2020 FFIV Restricted Stock Unit [F2] Common Stock (2,543) $0.00 — 2,543 Acquired
March 11, 2020 FFIV Restricted Stock Unit [F2] Common Stock (1,633) $0.00 — 1,633 Disposed
March 14, 2019 FFIV Restricted Stock Unit [F2] Common Stock (1,633) $0.00 — 1,633 Acquired
March 13, 2019 FFIV Restricted Stock Unit [F2] Common Stock (1,688) $0.00 — 1,688 Disposed
March 15, 2018 FFIV Restricted Stock Unit [F2] Common Stock (1,688) $0.00 — 1,688 Acquired
March 14, 2018 FFIV Restricted Stock Unit [F2] Common Stock (1,740) $0.00 — 1,740 Disposed
March 9, 2017 FFIV Restricted Stock Units [F2] Common Stock (1,740) $0.00 — 1,740 Acquired
March 8, 2017 FFIV Restricted Stock Units [F2] Common Stock (2,540) $0.00 — 2,540 Disposed
Aug. 1, 2016 719739 Restricted Stock Unit Common Stock (3,030) $0.00 Aug. 1, 2023 3,030 Acquired
March 10, 2016 FFIV Restricted Stock Units [F2] Common Stock (2,540) $0.00 — 2,540 Acquired
March 9, 2016 FFIV Restricted Stock Units [F2] Common Stock (2,212) $0.00 — 2,212 Disposed
Nov. 12, 2015 719739 Restricted Stock Unit Common Stock (8,064) $0.00 Nov. 12, 2022 8,064 Acquired
March 12, 2015 FFIV Restricted Stock Units [F2] Common Stock (2,212) $0.00 — 2,212 Acquired
March 11, 2015 FFIV Restricted Stock Units [F2] Common Stock (1,861) $0.00 — 1,861 Disposed
March 13, 2014 FFIV Restricted Stock Units [F2] Common Stock (1,861) $0.00 — 1,861 Acquired
March 12, 2014 FFIV Restricted Stock Units [F2] Common Stock (2,156) $0.00 — 2,156 Disposed
March 13, 2013 FFIV Restricted Stock Units [F2] Common Stock (2,156) $0.00 — 2,156 Acquired
March 12, 2013 FFIV Restricted Stock Units [F2] Common Stock (849) $0.00 — 849 Disposed
Oct. 15, 2012 FFIV Restricted Stock Units [F1] Common Stock (849) $0.00 — 849 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 1 holding

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
Oct. 2, 2019 COHR Common Stock 14,239 Direct