Sarah A O'Dowd

Insider

First SEC filing: Dec. 23, 2019 · Latest: Dec. 23, 2019

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.
Compensation Executive pay disclosed in company proxy statements.

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 57 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

57 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Jan. 2, 2026	PTGX	A	3,762	—	—	3,762 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 2, 2026	PTGX	A	2,695	—	—	7,825 Direct	+52.53%	Acquired	(price as of 2026-08-20)
Jan. 2, 2025	PTGX	A	6,584	—	—	6,584 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 2, 2025	PTGX	A	5,130	—	—	5,130 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 2, 2024	PTGX	A	25,700	—	—	25,700 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 16, 2023	PTGX	A	30,000	—	—	30,000 Direct	—	Acquired	(price as of 2026-08-20)
May 26, 2022	PTGX	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
May 24, 2022	ICHR	A	5,635	—	—	19,650 Direct	+40.21%	Acquired	(price as of 2026-08-20)
May 27, 2021	PTGX	A	18,000	—	—	18,000 Direct	—	Acquired	(price as of 2026-08-20)
May 11, 2021	ICHR	A	2,526	—	—	14,015 Direct	+21.99%	Acquired	(price as of 2026-08-20)
Aug. 17, 2020	PTGX	A	30,000	—	—	30,000 Direct	—	Acquired	(price as of 2026-08-20)
May 12, 2020	ICHR	A	4,596	—	—	11,489 Direct	+66.68%	Acquired	(price as of 2026-08-20)
May 12, 2020	ICHR	A	6,893	—	—	6,893 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 19, 2019	LRCX	S	3,831	$287.80	$1,102,562	32,084 Direct	-10.67%	Disposed	968.2% (price as of 2026-08-20)
Sept. 11, 2019	LRCX	M	22,140	$42.61	$943,385	0 Direct	-100.00%	Disposed	7115.2% (price as of 2026-08-20)
Sept. 11, 2019	LRCX	S	22,140	$233.77	$5,175,668	35,867 Direct	-38.17%	Disposed	1215.1% (price as of 2026-08-20)
Sept. 11, 2019	LRCX	M	22,140	$42.61	$943,385	58,007 Direct	+61.73%	Acquired	7115.2% (price as of 2026-08-20)
Sept. 6, 2019	LRCX	G	3,646	—	—	35,867 Direct	-9.23%	Disposed	(price as of 2026-08-20)
Sept. 6, 2019	LRCX	S	5,000	$229.08	$1,145,400	39,513 Direct	-11.23%	Disposed	1242.1% (price as of 2026-08-20)
March 1, 2019	LRCX	A	5,948	$176.75	$1,051,309	5,948 Direct	—	Acquired	1639.4% (price as of 2026-08-20)
March 1, 2019	LRCX	A	3,717	—	—	3,717 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2019	LRCX	A	2,230	—	—	44,397 Direct	+5.29%	Acquired	(price as of 2026-08-20)
March 1, 2019	LRCX	F	486	$176.75	$85,900	42,167 Direct	-1.14%	Disposed	1639.4% (price as of 2026-08-20)
March 1, 2019	LRCX	F	799	$176.75	$141,223	42,653 Direct	-1.84%	Disposed	1639.4% (price as of 2026-08-20)
March 1, 2019	LRCX	F	1,004	$176.75	$177,457	43,452 Direct	-2.26%	Disposed	1639.4% (price as of 2026-08-20)
March 1, 2019	LRCX	F	4,733	$176.75	$836,558	44,456 Direct	-9.62%	Disposed	1639.4% (price as of 2026-08-20)
Feb. 11, 2019	LRCX	M	10,127	—	—	0 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 11, 2019	LRCX	M	11,233	—	—	49,189 Direct	+29.59%	Acquired	(price as of 2026-08-20)
March 22, 2018	LRCX	S	10,000	$224.28	$2,242,800	37,832 Direct	-20.91%	Disposed	1270.8% (price as of 2026-08-20)
March 8, 2018	LRCX	S	1,835	$212.64	$390,194	47,832 Direct	-3.69%	Disposed	1345.8% (price as of 2026-08-20)
March 1, 2018	LRCX	A	2,944	$190.07	$559,566	2,944 Direct	—	Acquired	1517.5% (price as of 2026-08-20)
March 1, 2018	LRCX	A	3,684	—	—	3,684 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2018	LRCX	A	2,947	—	—	49,667 Direct	+6.31%	Acquired	(price as of 2026-08-20)
March 1, 2018	LRCX	F	798	$190.07	$151,676	46,720 Direct	-1.68%	Disposed	1517.5% (price as of 2026-08-20)
March 1, 2018	LRCX	F	1,003	$190.07	$190,640	47,518 Direct	-2.07%	Disposed	1517.5% (price as of 2026-08-20)
Feb. 9, 2018	LRCX	M	8,064	—	—	0 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 9, 2018	LRCX	F	1,066	$165.87	$176,817	48,521 Direct	-2.15%	Disposed	1753.5% (price as of 2026-08-20)
Feb. 9, 2018	LRCX	F	5,114	$165.87	$848,259	49,587 Direct	-9.35%	Disposed	1753.5% (price as of 2026-08-20)
Feb. 9, 2018	LRCX	M	12,096	$165.87	$2,006,364	54,701 Direct	+28.39%	Acquired	1753.5% (price as of 2026-08-20)
June 22, 2017	LRCX	S	10,000	$150.92	$1,509,200	42,517 Direct	-19.04%	Disposed	1937.1% (price as of 2026-08-20)
March 7, 2017	LRCX	S	2,481	$118.61	$294,271	52,341 Direct	-4.53%	Disposed	2492.0% (price as of 2026-08-20)
March 6, 2017	LRCX	S	3,978	$117.07	$465,704	54,822 Direct	-6.77%	Disposed	2526.1% (price as of 2026-08-20)
March 1, 2017	LRCX	A	4,832	—	—	55,256 Direct	+9.58%	Acquired	(price as of 2026-08-20)
March 1, 2017	LRCX	A	6,044	—	—	24,235 Direct	+33.23%	Acquired	(price as of 2026-08-20)
March 1, 2017	LRCX	A	4,835	—	—	58,800 Direct	+8.96%	Acquired	(price as of 2026-08-20)
March 1, 2017	LRCX	F	1,056	$119.67	$126,372	53,965 Direct	-1.92%	Disposed	2469.1% (price as of 2026-08-20)
Feb. 24, 2017	LRCX	F	9,363	$114.90	$1,075,809	55,021 Direct	-14.54%	Disposed	2575.7% (price as of 2026-08-20)
Feb. 17, 2017	LRCX	M	12,557	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 17, 2017	LRCX	M	18,835	$114.90	$2,164,142	64,384 Direct	+41.35%	Acquired	2575.7% (price as of 2026-08-20)
Feb. 17, 2017	LRCX	F	1,258	$114.90	$144,544	45,549 Direct	-2.69%	Disposed	2575.7% (price as of 2026-08-20)
Feb. 10, 2017	LRCX	F	841	$115.99	$97,548	46,807 Direct	-1.77%	Disposed	2550.6% (price as of 2026-08-20)
Dec. 2, 2016	LRCX	G	3,347	—	—	47,648 Direct	-6.56%	Disposed	(price as of 2026-08-20)
April 1, 2015	LRCX	S 10b5-1	5,000	$70.59	$352,950	43,318 Direct	-10.35%	Disposed	4255.3% (price as of 2026-08-20)
Feb. 18, 2015	LRCX	F	1,258	$81.92	$103,055	48,318 Direct	-2.54%	Disposed	3652.9% (price as of 2026-08-20)
Feb. 18, 2015	LRCX	F	1,258	$81.92	$103,055	48,318 Direct	+2.67%	Acquired	3652.9% (price as of 2026-08-20)
Feb. 11, 2015	LRCX	A	8,064	—	—	26,899 Direct	+42.81%	Acquired	(price as of 2026-08-20)
Feb. 11, 2015	LRCX	A	4,836	—	—	38,274 Direct	+14.46%	Acquired	(price as of 2026-08-20)
Feb. 11, 2015	LRCX	A	6,451	—	—	49,576 Direct	+14.96%	Acquired	(price as of 2026-08-20)
Feb. 10, 2015	LRCX	S 10b5-1	5,000	$79.51	$397,550	43,125 Direct	-10.39%	Disposed	3766.7% (price as of 2026-08-20)
Feb. 6, 2015	LRCX	F	2,817	$78.14	$220,120	48,125 Direct	-5.53%	Disposed	3834.5% (price as of 2026-08-20)
Feb. 18, 2014	LRCX	A	6,278	—	—	18,835 Direct	+50.00%	Acquired	(price as of 2026-08-20)
Feb. 18, 2014	LRCX	A	12,557	—	—	12,557 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 18, 2014	LRCX	A	3,765	—	—	33,438 Direct	+12.69%	Acquired	(price as of 2026-08-20)
Feb. 18, 2014	LRCX	A	7,533	—	—	29,673 Direct	+34.02%	Acquired	(price as of 2026-08-20)
Feb. 18, 2014	LRCX	A	5,023	—	—	50,409 Direct	+11.07%	Acquired	(price as of 2026-08-20)
Feb. 18, 2014	LRCX	A	10,046	—	—	45,386 Direct	+28.43%	Acquired	(price as of 2026-08-20)
Feb. 7, 2014	LRCX	F	5,481	$51.85	$284,190	35,340 Direct	-13.43%	Disposed	5829.4% (price as of 2026-08-20)
Oct. 21, 2013	LRCX	S 10b5-1	6,000	$54.36	$326,160	40,821 Direct	-12.81%	Disposed	5555.6% (price as of 2026-08-20)
Sept. 24, 2013	LRCX	S 10b5-1	5,000	$51.52	$257,600	46,821 Direct	-9.65%	Disposed	5867.4% (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
Jan. 2, 2026	PTGX	Stock Option (right to buy)	Common Stock (3,762)	$87.18	Jan. 2, 2036	3,762	Acquired
Jan. 2, 2025	PTGX	Stock Option (right to buy)	Common Stock (6,584)	$38.98	Jan. 2, 2035	6,584	Acquired
Jan. 2, 2024	PTGX	Stock Option (right to buy)	Common Stock (25,700)	$23.42	Jan. 2, 2034	25,700	Acquired
Jan. 16, 2023	PTGX	Stock Option (right to buy)	Common Stock (30,000)	$12.17	Jan. 15, 2033	30,000	Acquired
May 26, 2022	PTGX	Stock Option (right to buy)	Common Stock (20,000)	$8.31	May 26, 2032	20,000	Acquired
May 27, 2021	PTGX	Stock Option (right to buy)	Common Stock (18,000)	$35.23	May 26, 2031	18,000	Acquired
Aug. 17, 2020	PTGX	Stock Option (right to buy)	Common Stock (30,000)	$16.50	Aug. 16, 2030	30,000	Acquired
Sept. 11, 2019	LRCX	Employee Stock Option (Right to Buy)	Common Stock (22,140)	$42.61	Feb. 8, 2020	22,140	Disposed
March 1, 2019	LRCX	Employee Stock Option (Right to Buy)	Common Stock (5,948)	$176.75	March 1, 2026	5,948	Acquired
March 1, 2019	LRCX	Market-based Performance Restricted Stock Unit	Common Stock (3,717)	$0.00	—	3,717	Acquired
Feb. 11, 2019	LRCX	Market-based Performance Restricted Stock Unit	Common Stock (10,127)	$0.00	—	10,127	Acquired
March 1, 2018	LRCX	Employee Stock Option (Right to Buy)	Common Stock (2,944)	$190.07	March 1, 2025	2,944	Acquired
March 1, 2018	LRCX	Market-based Performance Restricted Stock Unit	Common Stock (3,684)	$0.00	—	3,684	Acquired
Feb. 9, 2018	LRCX	Market-based Performance Restricted Stock Unit	Common Stock (8,064)	$0.00	—	8,064	Acquired
March 1, 2017	LRCX	Employee Stock Option (Right to Buy)	Common Stock (4,832)	$119.67	March 1, 2024	4,832	Acquired
March 1, 2017	LRCX	Market-based Performance Restricted Stock Unit	Common Stock (6,044)	$0.00	—	6,044	Acquired
Feb. 17, 2017	LRCX	Market-based Performance Restricted Stock Unit	Common Stock (12,557)	$0.00	—	12,557	Disposed
Feb. 11, 2015	LRCX	Market-based Performance Restricted Stock Unit	Common Stock (8,064)	$0.00	—	8,064	Acquired
Feb. 11, 2015	LRCX	Employee Stock Option (Right to Buy)	Common Stock (4,836)	$80.60	Feb. 11, 2022	4,836	Acquired
Feb. 18, 2014	LRCX	Market-based Performance Restricted Stock Unit	Common Stock (6,278)	$0.00	—	6,278	Acquired
Feb. 18, 2014	LRCX	Market-based Performance Restricted Stock Unit	Common Stock (12,557)	$0.00	—	12,557	Acquired
Feb. 18, 2014	LRCX	Employee Stock Option (Right to Buy)	Common Stock (3,765)	$51.76	Feb. 18, 2021	3,765	Acquired
Feb. 18, 2014	LRCX	Employee Stock Option (Right to Buy)	Common Stock (7,533)	$51.76	Feb. 18, 2021	7,533	Acquired

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

Initial ownership (Form 3) 2 holdings

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

Date	Ticker	Security	Shares	Ownership
May 14, 2020	ICHR	Ordinary Shares, par value $0.0001	0	Direct
Oct. 8, 2008	LRCX	Common Stock	1,500	Direct

Compensation (DEF 14A)

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

LRCX

ChiefLegal Officer, and Secretary

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2017	$453,277	—	—	—	$597,578	—	$8,082	$2,443,906
2016	$434,488	—	—	—	$542,959	—	$7,259	$2,398,514
2015	$418,077	—	—	—	$956,427	—	$7,551	$2,643,822

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