Elizabeth Buse

Insider

First SEC filing: March 18, 2008 · Latest: June 12, 2026

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Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.
Compensation Executive pay disclosed in company proxy statements.

Insider at

Insider transactions

0 buys (P) 4 sells (S) Net: $-399,353 + 82 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

82 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 10, 2026	FFIV	S	40	$401.05	$16,042	4,947 Direct	-0.80%	Disposed	-5.6% (price as of 2026-08-20)
June 10, 2026	FFIV	S	120	$400.58	$48,070	4,987 Direct	-2.35%	Disposed	-5.5% (price as of 2026-08-20)
June 10, 2026	FFIV	S	626	$399.29	$249,956	5,107 Direct	-10.92%	Disposed	-5.2% (price as of 2026-08-20)
June 10, 2026	FFIV	S	214	$398.53	$85,285	5,733 Direct	-3.60%	Disposed	-5.0% (price as of 2026-08-20)
April 23, 2026	USB	A	3,355	—	—	3,355 Direct	—	Acquired	(price as of 2026-08-20)
June 11, 2025	FFIV	S	1,500	$293.53	$440,295	5,013 Direct	-23.03%	Disposed	29.0% (price as of 2026-08-20)
April 17, 2025	USB	A	4,843	—	—	4,843 Direct	—	Acquired	(price as of 2026-08-20)
March 13, 2025	FFIV	A	934	—	—	934 Direct	—	Acquired	(price as of 2026-08-20)
March 12, 2025	FFIV	M	1,309	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 12, 2025	FFIV	M	1,309	—	—	6,513 Direct	+25.15%	Acquired	(price as of 2026-08-20)
April 18, 2024	USB	A	4,691	—	—	4,691 Direct	—	Acquired	(price as of 2026-08-20)
March 14, 2024	FFIV	A	1,309	—	—	1,309 Direct	—	Acquired	(price as of 2026-08-20)
March 13, 2024	FFIV	M	1,770	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 13, 2024	FFIV	M	1,770	—	—	5,204 Direct	+51.54%	Acquired	(price as of 2026-08-20)
April 20, 2023	USB	A	5,035	—	—	5,035 Direct	—	Acquired	(price as of 2026-08-20)
March 9, 2023	FFIV	A	1,770	—	—	1,770 Direct	—	Acquired	(price as of 2026-08-20)
March 8, 2023	FFIV	M	1,272	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 8, 2023	FFIV	M	1,272	—	—	3,434 Direct	+58.83%	Acquired	(price as of 2026-08-20)
April 21, 2022	USB	A	3,040	—	—	3,040 Direct	—	Acquired	(price as of 2026-08-20)
March 10, 2022	FFIV	A	1,272	—	—	1,272 Direct	—	Acquired	(price as of 2026-08-20)
March 9, 2022	FFIV	M	1,282	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 9, 2022	FFIV	M	1,282	—	—	2,162 Direct	+145.68%	Acquired	(price as of 2026-08-20)
April 22, 2021	USB	A	2,849	—	—	2,849 Direct	—	Acquired	(price as of 2026-08-20)
March 11, 2021	FFIV	A	1,282	—	—	1,282 Direct	—	Acquired	(price as of 2026-08-20)
March 10, 2021	FFIV	M	880	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 10, 2021	FFIV	M	880	—	—	880 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 2, 2020	FFIV	A	880	—	—	880 Direct	—	Acquired	(price as of 2026-08-20)
April 24, 2020	USB	A	3,196	$33.37	$106,651	3,196 Direct	—	Acquired	87.4% (price as of 2026-08-20)
April 18, 2019	USB	A	3,124	$51.21	$159,980	3,124 Direct	—	Acquired	22.1% (price as of 2026-08-20)
July 19, 2018	USB	A	2,921	$51.36	$150,023	2,921 Direct	—	Acquired	21.8% (price as of 2026-08-20)
Feb. 18, 2014	V	S	6,159	$225.89	$1,391,257	29,266 Direct	-17.39%	Disposed	550.8% (price as of 2026-08-20)
Feb. 14, 2014	V	M	13,016	—	—	13,017 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Feb. 14, 2014	V	M	13,016	—	—	35,425 Direct	+58.08%	Acquired	(price as of 2026-08-20)
Dec. 2, 2013	V	S	4,405	$205.92	$907,078	22,409 Direct	-16.43%	Disposed	613.9% (price as of 2026-08-20)
Nov. 30, 2013	V	M	8,505	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 30, 2013	V	M	8,505	—	—	26,814 Direct	+46.45%	Acquired	(price as of 2026-08-20)
Nov. 20, 2013	V	S	7,648	$199.37	$1,524,782	18,309 Direct	-29.46%	Disposed	637.3% (price as of 2026-08-20)
Nov. 19, 2013	V	A	9,106	—	—	9,106 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 19, 2013	V	M	13,731	—	—	27,464 Direct	-33.33%	Disposed	(price as of 2026-08-20)
Nov. 19, 2013	V	M	943	—	—	1,889 Direct	-33.30%	Disposed	(price as of 2026-08-20)
Nov. 19, 2013	V	A	2,003	—	—	25,957 Direct	+8.36%	Acquired	(price as of 2026-08-20)
Nov. 19, 2013	V	M	13,731	—	—	23,954 Direct	+134.31%	Acquired	(price as of 2026-08-20)
Nov. 19, 2013	V	M	943	—	—	10,223 Direct	+10.16%	Acquired	(price as of 2026-08-20)
Nov. 8, 2013	V	S	1,353	$197.55	$267,285	9,280 Direct	-12.72%	Disposed	644.1% (price as of 2026-08-20)
Nov. 5, 2013	V	M	1,124	—	—	1,125 Direct	-49.98%	Disposed	(price as of 2026-08-20)
Nov. 5, 2013	V	M	1,463	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 5, 2013	V	M	1,124	—	—	10,633 Direct	+11.82%	Acquired	(price as of 2026-08-20)
Nov. 5, 2013	V	M	1,463	—	—	9,509 Direct	+18.18%	Acquired	(price as of 2026-08-20)
Aug. 26, 2013	V	S 10b5-1	17,562	$177.03	$3,109,001	8,046 Direct	-68.58%	Disposed	730.4% (price as of 2026-08-20)
Dec. 4, 2012	V	S	5,427	$148.16	$804,064	25,608 Direct	-17.49%	Disposed	892.2% (price as of 2026-08-20)
Nov. 30, 2012	V	M	8,504	—	—	8,505 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Nov. 30, 2012	V	M	3,021	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 30, 2012	V	M	8,504	—	—	31,035 Direct	+37.74%	Acquired	(price as of 2026-08-20)
Nov. 30, 2012	V	M	3,021	—	—	22,531 Direct	+15.48%	Acquired	(price as of 2026-08-20)
Nov. 28, 2012	V	A	8,237	—	—	17,009 Direct	+93.90%	Acquired	(price as of 2026-08-20)
Nov. 19, 2012	V	A	41,195	—	—	41,195 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 19, 2012	V	A	2,832	—	—	2,832 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 19, 2012	V	A	10,640	—	—	10,640 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 6, 2012	V	S	1,686	$143.70	$242,278	19,510 Direct	-7.95%	Disposed	923.0% (price as of 2026-08-20)
Nov. 5, 2012	V	M	1,124	—	—	2,249 Direct	-33.32%	Disposed	(price as of 2026-08-20)
Nov. 5, 2012	V	M	1,462	—	—	1,463 Direct	-49.98%	Disposed	(price as of 2026-08-20)
Nov. 5, 2012	V	M	1,124	—	—	21,196 Direct	+5.60%	Acquired	(price as of 2026-08-20)
Nov. 5, 2012	V	M	1,462	—	—	20,072 Direct	+7.86%	Acquired	(price as of 2026-08-20)
Sept. 6, 2012	V	M 10b5-1	14,401	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Sept. 6, 2012	V	S 10b5-1	14,401	$128.55	$1,851,249	18,610 Direct	-43.62%	Disposed	1043.5% (price as of 2026-08-20)
Sept. 6, 2012	V	M 10b5-1	14,401	—	—	33,011 Direct	+77.38%	Acquired	(price as of 2026-08-20)
Aug. 6, 2012	V	M 10b5-1	14,400	—	—	14,401 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Aug. 6, 2012	V	S 10b5-1	14,400	$130.80	$1,883,520	18,610 Direct	-43.62%	Disposed	1023.9% (price as of 2026-08-20)
Aug. 6, 2012	V	M 10b5-1	14,400	—	—	33,010 Direct	+77.38%	Acquired	(price as of 2026-08-20)
July 3, 2012	V	M 10b5-1	14,400	—	—	28,801 Direct	-33.33%	Disposed	(price as of 2026-08-20)
July 3, 2012	V	S 10b5-1	14,400	$126.39	$1,820,016	18,610 Direct	-43.62%	Disposed	1063.1% (price as of 2026-08-20)
July 3, 2012	V	M 10b5-1	14,400	—	—	33,010 Direct	+77.38%	Acquired	(price as of 2026-08-20)
Feb. 14, 2012	V	A	26,033	—	—	26,033 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 1, 2012	V	M 10b5-1	20,000	—	—	43,201 Direct	-31.65%	Disposed	(price as of 2026-08-20)
Feb. 1, 2012	V	S 10b5-1	20,000	$102.03	$2,040,600	18,610 Direct	-51.80%	Disposed	1340.8% (price as of 2026-08-20)
Feb. 1, 2012	V	M 10b5-1	20,000	—	—	38,610 Direct	+107.47%	Acquired	(price as of 2026-08-20)
Dec. 2, 2011	V	S	1,363	$97.09	$132,334	18,610 Direct	-6.82%	Disposed	1414.1% (price as of 2026-08-20)
Nov. 30, 2011	V	M	3,019	—	—	3,021 Direct	-49.98%	Disposed	(price as of 2026-08-20)
Nov. 30, 2011	V	M	3,019	—	—	19,973 Direct	+17.81%	Acquired	(price as of 2026-08-20)
Nov. 23, 2011	V	A	6,040	—	—	6,040 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 7, 2011	V	F	4,193	$92.40	$387,433	16,954 Direct	-19.83%	Disposed	1490.9% (price as of 2026-08-20)
Nov. 5, 2011	V	A	10,582	—	—	10,582 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 5, 2011	V	A	3,373	—	—	3,373 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 5, 2011	V	M	4,982	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 5, 2011	V	M	1,461	—	—	2,925 Direct	-33.31%	Disposed	(price as of 2026-08-20)
Nov. 5, 2011	V	M	4,982	—	—	21,147 Direct	+30.82%	Acquired	(price as of 2026-08-20)
Nov. 5, 2011	V	M	1,461	—	—	16,165 Direct	+9.94%	Acquired	(price as of 2026-08-20)
Nov. 8, 2010	V	F	2,711	$78.94	$214,006	14,704 Direct	-15.57%	Disposed	1762.2% (price as of 2026-08-20)
Nov. 5, 2010	V	A	4,386	—	—	4,386 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 5, 2010	V	A	8,772	—	—	8,772 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 5, 2010	V	A	14,327	$79.80	$1,143,295	14,327 Direct	—	Acquired	1742.1% (price as of 2026-08-20)
Nov. 5, 2010	V	M	4,980	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 5, 2010	V	M	4,980	—	—	17,415 Direct	+40.05%	Acquired	(price as of 2026-08-20)
Feb. 12, 2010	V	M	31,599	$44.00	$1,390,356	0 Direct	-100.00%	Disposed	3240.9% (price as of 2026-08-20)
Feb. 12, 2010	V	S	31,599	$84.25	$2,662,216	12,435 Direct	-71.76%	Disposed	1644.8% (price as of 2026-08-20)
Feb. 12, 2010	V	M	31,599	$44.00	$1,390,356	44,034 Direct	+254.11%	Acquired	3240.9% (price as of 2026-08-20)
Nov. 5, 2009	V	A	16,955	—	—	16,955 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 5, 2009	V	A	9,962	—	—	9,962 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 5, 2009	V	A	3,141	—	—	16,935 Direct	+22.77%	Acquired	(price as of 2026-08-20)
Nov. 5, 2009	V	F	775	$79.59	$61,682	13,794 Direct	-5.32%	Disposed	1747.0% (price as of 2026-08-20)

Showing latest 100 of 106 transactions

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
April 23, 2026	USB	Restricted Stock Units	Common Stock, $0.01 par value (3,355)	—	—	3,355	Acquired
April 17, 2025	USB	Restricted Stock Units	Common Stock, $0.01 par value (4,843)	—	—	4,843	Acquired
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
April 18, 2024	USB	Restricted Stock Units	Common Stock, $0.01 par value (4,691)	—	—	4,691	Acquired
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
April 20, 2023	USB	Restricted Stock Units	Common Stock, $0.01 par value (5,035)	—	—	5,035	Acquired
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
April 21, 2022	USB	Restricted Stock Units	Common Stock, $0.01 par value (3,040)	—	—	3,040	Acquired
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
April 22, 2021	USB	Restricted Stock Units	Common Stock, $0.01 par value (2,849)	—	—	2,849	Acquired
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 (880)	$0.00	—	880	Disposed
Nov. 2, 2020	FFIV	Restricted Stock Unit [F1]	Common Stock (880)	$0.00	—	880	Acquired
April 24, 2020	USB	Restricted Stock Units	Common Stock, $0.01 par value (3,196)	—	—	3,196	Acquired
April 18, 2019	USB	Restricted Stock Units	Common Stock, $0.01 par value (3,124)	—	—	3,124	Acquired
July 19, 2018	USB	Restricted Stock Units	Common Stock, $0.01 par value (2,921)	—	—	2,921	Acquired
Feb. 14, 2014	V	Restricted Stock Units	Common Stock (13,016)	—	Feb. 14, 2022	13,016	Disposed
Nov. 30, 2013	V	Performance Share Award	Common Stock (8,505)	—	—	8,505	Disposed
Nov. 19, 2013	V	Employee Stock Option (Right to Buy)	Common Stock (9,106)	$197.39	Nov. 19, 2023	9,106	Acquired
Nov. 19, 2013	V	Restricted Stock Units	Common Stock (13,731)	—	Nov. 19, 2022	13,731	Disposed
Nov. 19, 2013	V	Restricted Stock Units	Common Stock (943)	—	Nov. 19, 2022	943	Disposed
Nov. 5, 2013	V	Restricted Stock Units	Common Stock (1,124)	—	Nov. 5, 2021	1,124	Disposed
Nov. 5, 2013	V	Restricted Stock Units	Common Stock (1,463)	—	Nov. 5, 2020	1,463	Disposed
Nov. 30, 2012	V	Performance Share Award	Common Stock (8,504)	—	—	8,504	Disposed
Nov. 30, 2012	V	Performance Share Award	Common Stock (3,021)	—	—	3,021	Disposed
Nov. 28, 2012	V	Performance Share Award	Common Stock (8,237)	—	—	8,237	Acquired
Nov. 19, 2012	V	Restricted Stock Units	Common Stock (41,195)	—	Nov. 19, 2022	41,195	Acquired
Nov. 19, 2012	V	Restricted Stock Units	Common Stock (2,832)	—	Nov. 19, 2022	2,832	Acquired
Nov. 19, 2012	V	Employee Stock Option (Right to Buy)	Common Stock (10,640)	$145.65	Nov. 19, 2022	10,640	Acquired
Nov. 5, 2012	V	Restricted Stock Units	Common Stock (1,124)	$0.00	Nov. 5, 2021	1,124	Disposed
Nov. 5, 2012	V	Restricted Stock Units	Common Stock (1,462)	$0.00	Nov. 5, 2020	1,462	Disposed
Sept. 6, 2012	V	Employee Stock Option (Right to Buy)	Common Stock (14,401)	$44.00	March 18, 2018	14,401	Disposed
Aug. 6, 2012	V	Employee Stock Option (Right to Buy)	Common Stock (14,400)	$44.00	March 18, 2018	14,400	Disposed
July 3, 2012	V	Employee Stock Option (Right to Buy)	Common Stock (14,400)	$44.00	March 18, 2018	14,400	Disposed
Feb. 14, 2012	V	Restricted Stock Units	Common Stock (26,033)	$0.00	Feb. 14, 2022	26,033	Acquired
Feb. 1, 2012	V	Employee Stock Option (Right to Buy)	Common Stock (20,000)	$44.00	March 18, 2018	20,000	Disposed
Nov. 30, 2011	V	Performance Share Award	Common Stock (3,019)	$0.00	—	3,019	Disposed
Nov. 23, 2011	V	Performance Share Award	Common Stock (6,040)	$0.00	—	6,040	Acquired
Nov. 5, 2011	V	Employee Stock Option (Right to Buy)	Common Stock (10,582)	$92.64	Nov. 5, 2021	10,582	Acquired
Nov. 5, 2011	V	Restricted Stock Units	Common Stock (3,373)	$0.00	Nov. 5, 2021	3,373	Acquired
Nov. 5, 2011	V	Performance Share Award	Common Stock (4,982)	$0.00	—	4,982	Disposed
Nov. 5, 2011	V	Restricted Stock Units	Common Stock (1,461)	$0.00	Nov. 5, 2020	1,461	Disposed
Nov. 5, 2010	V	Restricted Stock Units	Common Stock (4,386)	$0.00	Nov. 5, 2020	4,386	Acquired
Nov. 5, 2010	V	Performance Shares Award	Common Stock (8,772)	$0.00	Nov. 5, 2020	8,772	Acquired
Nov. 5, 2010	V	Employee Stock Options	Employee Stock Options (14,327)	$79.80	Nov. 5, 2020	14,327	Acquired
Nov. 5, 2010	V	Performance Shares Award	Common Stock (4,980)	$0.00	—	4,980	Disposed
Feb. 12, 2010	V	Employee Stock Options	Employee Stock Options (31,599)	$44.00	March 18, 2018	31,599	Disposed
Nov. 5, 2009	V	Employee Stock Options	Common Stock (16,955)	$79.59	Nov. 5, 2019	16,955	Acquired
Nov. 5, 2009	V	Performance Shares Award	Common Stock (9,962)	$0.00	—	9,962	Acquired
Nov. 5, 2008	V	Employee Stock Options	Common Stock (23,906)	$56.47	Nov. 5, 2018	23,906	Acquired
March 18, 2008	V	Employee Stock Option (right to buy)	Common Stock (94,800)	$44.00	—	94,800	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
March 18, 2008	V	No securities are beneficially owned	0	Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

V

President – APCEMEA

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2012	$525,020	—	—	—	$931,560	$624,084	$646,256	$6,571,966

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.