Christopher J Oconnell

Insider

First SEC filing: Sept. 9, 2015 · Latest: Sept. 9, 2015

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.
Initial holdings The stakes this person held when they first started reporting.

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 36 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

36 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 31, 2020	WAT	M	30,000	—	—	47,826 Direct	-38.55%	Disposed	(price as of 2026-08-19)
July 31, 2020	WAT	S	30,000	$213.30	$6,399,000	27,595 Direct	-52.09%	Disposed	94.6% (price as of 2026-08-19)
July 31, 2020	WAT	M	30,000	$123.55	$3,706,500	57,595 Direct	+108.72%	Acquired	235.9% (price as of 2026-08-19)
March 2, 2020	WAT	F	5,268	—	—	27,595 Direct	-16.03%	Disposed	(price as of 2026-08-19)
March 2, 2020	WAT	A	13,547	—	—	32,863 Direct	+70.13%	Acquired	(price as of 2026-08-19)
Feb. 12, 2020	WAT	A	44,730	—	—	44,730 Direct	—	Acquired	(price as of 2026-08-19)
Dec. 10, 2018	WAT	A	62,621	—	—	62,621 Direct	—	Acquired	(price as of 2026-08-19)
Sept. 8, 2018	WAT	F	2,999	—	—	19,316 Direct	-13.44%	Disposed	(price as of 2026-08-19)
Dec. 5, 2017	WAT	A	73,557	—	—	73,557 Direct	—	Acquired	(price as of 2026-08-19)
Dec. 5, 2017	WAT	A	73,557	—	—	73,557 Direct	—	Acquired	(price as of 2026-08-19)
Sept. 8, 2017	WAT	F	3,174	—	—	22,315 Direct	-12.45%	Disposed	(price as of 2026-08-19)
Dec. 9, 2016	WAT	A	93,935	—	—	93,935 Direct	—	Acquired	(price as of 2026-08-19)
Sept. 8, 2016	WAT	F	2,510	—	—	25,489 Direct	-8.96%	Disposed	(price as of 2026-08-19)
Dec. 9, 2015	WAT	A	135,597	—	—	135,597 Direct	—	Acquired	(price as of 2026-08-19)
Sept. 8, 2015	WAT	A	77,826	—	—	77,826 Direct	—	Acquired	(price as of 2026-08-19)
Sept. 8, 2015	WAT	A	20,234	—	—	27,999 Direct	+260.58%	Acquired	(price as of 2026-08-19)
Feb. 19, 2015	MDT	M	14,390	$36.24	$521,494	107,664 Direct	+15.43%	Acquired	158.8% (price as of 2026-08-19)
Feb. 19, 2015	MDT	M	15,401	$48.70	$750,029	123,065 Direct	+14.30%	Acquired	92.6% (price as of 2026-08-19)
Feb. 19, 2015	MDT	S	29,791	$78.17	$2,328,762	93,274 Direct	-24.21%	Disposed	20.0% (price as of 2026-08-19)
Feb. 19, 2015	MDT	M	14,390	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Feb. 19, 2015	MDT	M	15,401	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Feb. 18, 2015	MDT	M	18,723	$36.24	$678,522	113,844 Direct	+19.68%	Acquired	158.8% (price as of 2026-08-19)
Feb. 18, 2015	MDT	S	20,570	$78.28	$1,610,220	93,274 Direct	-18.07%	Disposed	19.8% (price as of 2026-08-19)
Feb. 18, 2015	MDT	M	18,723	—	—	14,390 Direct	-56.54%	Disposed	(price as of 2026-08-19)
Jan. 26, 2015	MDT	A	56,852	—	—	56,852 Direct	—	Acquired	(price as of 2026-08-19)
Jan. 26, 2015	MDT	A	1,594	—	—	1,594 Direct	—	Acquired	(price as of 2026-08-19)
Jan. 26, 2015	MDT	A	1,808	—	—	1,808 Direct	—	Acquired	(price as of 2026-08-19)
Jan. 26, 2015	MDT	A	60,250	—	—	60,250 Direct	—	Acquired	(price as of 2026-08-19)
Jan. 26, 2015	MDT	A	2,404	—	—	2,404 Direct	—	Acquired	(price as of 2026-08-19)
Jan. 26, 2015	MDT	A	75,548	—	—	75,548 Direct	—	Acquired	(price as of 2026-08-19)
Jan. 26, 2015	MDT	A	84,060	—	—	84,060 Direct	—	Acquired	(price as of 2026-08-19)
Jan. 26, 2015	MDT	A	70,984	—	—	70,984 Direct	—	Acquired	(price as of 2026-08-19)
Jan. 26, 2015	MDT	A	27,686	—	—	27,686 Direct	—	Acquired	(price as of 2026-08-19)
Jan. 26, 2015	MDT	A	33,408	—	—	33,408 Direct	—	Acquired	(price as of 2026-08-19)
Jan. 26, 2015	MDT	A	33,113	—	—	33,113 Direct	—	Acquired	(price as of 2026-08-19)
Jan. 26, 2015	MDT	A	17,794	—	—	17,794 Direct	—	Acquired	(price as of 2026-08-19)
Jan. 26, 2015	MDT	A	15,401	—	—	15,401 Direct	—	Acquired	(price as of 2026-08-19)
Jan. 26, 2015	MDT	A	2,654	—	—	2,654 Indirect	—	Acquired	(price as of 2026-08-19)
Jan. 26, 2015	MDT	A	98,706	—	—	98,706 Direct	—	Acquired	(price as of 2026-08-19)

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
July 31, 2020	WAT	Stock Option (Right to Buy)	Common Stock (30,000)	$123.55	Sept. 8, 2025	30,000	Disposed
Feb. 12, 2020	WAT	Stock Option (Right to Buy)	Common Stock (44,730)	$224.37	Feb. 12, 2030	44,730	Acquired
Dec. 10, 2018	WAT	Stock Option (Right to Buy)	Common Stock (62,621)	$189.54	Dec. 10, 2028	62,621	Acquired
Dec. 5, 2017	WAT	Stock Option (Right to Buy)	Common Stock (73,557)	—	Dec. 5, 2027	73,557	Acquired
Dec. 5, 2017	WAT	Stock Option (Right to Buy)	Common Stock (73,557)	$194.25	Dec. 5, 2027	73,557	Acquired
Dec. 9, 2016	WAT	Stock Option (Right to Buy)	Common Stock (93,935)	$139.51	Dec. 9, 2026	93,935	Acquired
Dec. 9, 2015	WAT	Stock Option (Right to Buy)	Common Stock (135,597)	$128.93	Dec. 9, 2025	135,597	Acquired
Sept. 8, 2015	WAT	Stock Option (Right to Buy)	Common Stock (77,826)	$123.55	Sept. 8, 2025	77,826	Acquired
Feb. 19, 2015	MDT	Employee Stock Option (right to buy)	Ordinary Shares (14,390)	$36.24	Oct. 27, 2018	14,390	Disposed
Feb. 19, 2015	MDT	Employee Stock Option (right to buy)	Ordinary Shares (15,401)	$48.70	Oct. 30, 2016	15,401	Disposed
Feb. 18, 2015	MDT	Employee Stock Option (right to buy)	Ordinary Shares (18,723)	$36.24	Oct. 27, 2018	18,723	Disposed
Jan. 26, 2015	MDT	Employee Stock Option (right to buy)	Ordinary Shares (56,852)	$62.76	July 28, 2024	56,852	Acquired
Jan. 26, 2015	MDT	Employee Stock Option (right to buy)	Ordinary Shares (1,594)	$62.76	July 28, 2024	1,594	Acquired
Jan. 26, 2015	MDT	Employee Stock Option (right to buy)	Ordinary Shares (1,808)	$55.32	July 29, 2023	1,808	Acquired
Jan. 26, 2015	MDT	Employee Stock Option (right to buy)	Ordinary Shares (60,250)	$55.32	July 29, 2023	60,250	Acquired
Jan. 26, 2015	MDT	Employee Stock Option (right to buy)	Ordinary Shares (2,404)	$41.60	Oct. 29, 2022	2,404	Acquired
Jan. 26, 2015	MDT	Employee Stock Option (right to buy)	Ordinary Shares (75,548)	$38.81	July 30, 2022	75,548	Acquired
Jan. 26, 2015	MDT	Employee Stock Option (right to buy)	Ordinary Shares (84,060)	$34.88	Aug. 1, 2021	84,060	Acquired
Jan. 26, 2015	MDT	Employee Stock Option (right to buy)	Ordinary Shares (70,984)	$37.53	Aug. 2, 2020	70,984	Acquired
Jan. 26, 2015	MDT	Employee Stock Option (right to buy)	Ordinary Shares (27,686)	$36.12	Nov. 2, 2019	27,686	Acquired
Jan. 26, 2015	MDT	Employee Stock Option (right to buy)	Ordinary Shares (33,408)	$35.92	Aug. 3, 2019	33,408	Acquired
Jan. 26, 2015	MDT	Employee Stock Option (right to buy)	Ordinary Shares (33,113)	$36.24	Oct. 27, 2018	33,113	Acquired
Jan. 26, 2015	MDT	Employee Stock Option (right to buy)	Ordinary Shares (17,794)	$47.77	Oct. 29, 2017	17,794	Acquired
Jan. 26, 2015	MDT	Employee Stock Option (right to buy)	Ordinary Shares (15,401)	$48.70	Oct. 30, 2016	15,401	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
Sept. 9, 2015	WAT	Common Stock	7,765	Direct