Sherry Buck

Insider

First SEC filing: May 26, 2026 · Latest: May 26, 2026

On this page

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.

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 28 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

28 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 21, 2026	LII	A	343	—	—	2,306 Direct	+17.47%	Acquired	(price as of 2026-08-20)
May 22, 2025	LII	A	270	—	—	1,963 Direct	+15.95%	Acquired	(price as of 2026-08-20)
Nov. 27, 2024	LII	S	500	$660.74	$330,370	1,693 Direct	-22.80%	Disposed	-37.3% (price as of 2026-08-20)
Aug. 23, 2024	LII	S	500	$583.47	$291,735	2,193 Direct	-18.57%	Disposed	-29.0% (price as of 2026-08-20)
May 16, 2024	LII	A	305	—	—	2,693 Direct	+12.77%	Acquired	(price as of 2026-08-20)
May 1, 2023	LII	P	350	$285.02	$99,757	2,388 Direct	+17.17%	Acquired	45.3% (price as of 2026-08-20)
Dec. 9, 2022	LII	A	567	$259.56	$147,171	2,038 Direct	+38.55%	Acquired	59.6% (price as of 2026-08-20)
Dec. 10, 2021	LII	A	431	$328.65	$141,648	1,471 Direct	+41.44%	Acquired	26.0% (price as of 2026-08-20)
Jan. 15, 2021	LII	A	18	$273.97	$4,931	1,040 Direct	+1.76%	Acquired	51.2% (price as of 2026-08-20)
Jan. 15, 2021	LII	A	9	$272.61	$2,453	1,022 Direct	+0.89%	Acquired	51.9% (price as of 2026-08-20)
Dec. 11, 2020	LII	A	441	—	—	1,013 Direct	+77.10%	Acquired	(price as of 2026-08-20)
Oct. 30, 2020	WAT	M	17,499	—	—	11,666 Direct	-60.00%	Disposed	(price as of 2026-08-20)
Oct. 30, 2020	WAT	S	17,499	$221.62	$3,878,128	3,720 Direct	-82.47%	Disposed	87.2% (price as of 2026-08-20)
Oct. 30, 2020	WAT	M	17,499	$141.74	$2,480,308	21,219 Direct	+470.40%	Acquired	192.6% (price as of 2026-08-20)
Oct. 15, 2020	LII	A	9	$272.61	$2,453	572 Direct	+1.60%	Acquired	51.9% (price as of 2026-08-20)
Oct. 15, 2020	LII	A	7	$232.99	$1,631	563 Direct	+1.26%	Acquired	77.7% (price as of 2026-08-20)
July 15, 2020	LII	A	14	$232.99	$3,262	556 Direct	+2.58%	Acquired	77.7% (price as of 2026-08-20)
April 15, 2020	LII	A	27	$181.79	$4,908	542 Direct	+5.24%	Acquired	127.8% (price as of 2026-08-20)
March 2, 2020	WAT	F	959	—	—	3,720 Direct	-20.50%	Disposed	(price as of 2026-08-20)
March 2, 2020	WAT	A	3,267	—	—	4,679 Direct	+231.37%	Acquired	(price as of 2026-08-20)
Feb. 12, 2020	WAT	A	13,419	—	—	13,419 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 21, 2020	WAT	F	226	—	—	1,412 Direct	-13.80%	Disposed	(price as of 2026-08-20)
Jan. 15, 2020	LII	A	20	$243.97	$4,879	515 Direct	+4.04%	Acquired	69.7% (price as of 2026-08-20)
Dec. 13, 2019	LII	A	475	—	—	495 Direct	+2375.00%	Acquired	(price as of 2026-08-20)
Oct. 15, 2019	LII	A	20	$242.97	$4,859	20 Direct	—	Acquired	70.4% (price as of 2026-08-20)
Jan. 22, 2019	WAT	F	229	—	—	1,638 Direct	-12.27%	Disposed	(price as of 2026-08-20)
Dec. 10, 2018	WAT	A	18,217	—	—	18,217 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 19, 2018	WAT	F	249	—	—	1,867 Direct	-11.77%	Disposed	(price as of 2026-08-20)
Dec. 5, 2017	WAT	A	20,061	—	—	20,061 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 5, 2017	WAT	A	20,061	—	—	20,061 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 19, 2017	WAT	A	29,165	—	—	29,165 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 19, 2017	WAT	A	2,116	—	—	2,116 Direct	—	Acquired	(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
Oct. 30, 2020	WAT	Stock Option (Right to Buy)	Common Stock (17,499)	$141.74	Jan. 19, 2027	17,499	Disposed
Feb. 12, 2020	WAT	Stock Option (Right to Buy)	Common Stock (13,419)	$224.37	Feb. 12, 2030	13,419	Acquired
Dec. 10, 2018	WAT	Stock Option (Right to Buy)	Common Stock (18,217)	$189.54	Dec. 10, 2028	18,217	Acquired
Dec. 5, 2017	WAT	Stock Option (Right to Buy)	Common Stock (20,061)	—	Dec. 5, 2027	20,061	Acquired
Dec. 5, 2017	WAT	Stock Option (Right to Buy)	Common Stock (20,061)	$194.25	Dec. 5, 2027	20,061	Acquired
Jan. 19, 2017	WAT	Stock Option (Right to Buy)	Common Stock (29,165)	$141.74	Jan. 19, 2027	29,165	Acquired

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