David G Whalen

Insider

First SEC filing: Feb. 14, 2017 · Latest: Feb. 14, 2017

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.

Insider at

POOL buying May 8, 2026

Insider transactions

1 buys (P) 0 sells (S) Net: $99,981 + 47 non-open-market transactions below Avg return of open purchases vs now: 0.4% 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

47 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 28, 2026	POOL	L	3	$185.60	$557	8,939 Direct	+0.03%	Acquired	3.0% (price as of 2026-08-21)
May 8, 2026	POOL	P	525	$190.44	$99,981	8,936 Direct	+6.24%	Acquired	0.4% (price as of 2026-08-21)
April 29, 2026	POOL	A	644	—	—	8,411 Direct	+8.29%	Acquired	(price as of 2026-08-21)
March 26, 2026	POOL	L	45	$202.82	$9,127	7,767 Direct	+0.58%	Acquired	-5.8% (price as of 2026-08-21)
Aug. 28, 2025	POOL	L	28	$319.01	$8,932	7,685 Direct	+0.37%	Acquired	-40.1% (price as of 2026-08-21)
May 29, 2025	POOL	L	30	$300.17	$9,005	7,657 Direct	+0.39%	Acquired	-36.3% (price as of 2026-08-21)
April 30, 2025	POOL	A	461	—	—	7,627 Direct	+6.43%	Acquired	(price as of 2026-08-21)
March 26, 2025	POOL	L	25	$326.56	$8,164	7,166 Direct	+0.35%	Acquired	-41.5% (price as of 2026-08-21)
Nov. 27, 2024	POOL	L	21	$379.34	$7,966	7,141 Direct	+0.29%	Acquired	-49.6% (price as of 2026-08-21)
Aug. 29, 2024	POOL	L	23	$352.98	$8,119	7,120 Direct	+0.32%	Acquired	-45.9% (price as of 2026-08-21)
May 30, 2024	POOL	L	23	$354.24	$8,148	7,097 Direct	+0.33%	Acquired	-46.1% (price as of 2026-08-21)
May 1, 2024	POOL	A	348	—	—	7,074 Direct	+5.17%	Acquired	(price as of 2026-08-21)
March 28, 2024	POOL	L	17	$409.97	$6,969	6,726 Direct	+0.25%	Acquired	-53.4% (price as of 2026-08-21)
Nov. 22, 2023	POOL	L	20	$348.20	$6,964	6,709 Direct	+0.30%	Acquired	-45.1% (price as of 2026-08-21)
Aug. 24, 2023	POOL	L	20	$351.30	$7,026	6,689 Direct	+0.30%	Acquired	-45.6% (price as of 2026-08-21)
May 31, 2023	POOL	L	21	$325.91	$6,844	6,669 Direct	+0.32%	Acquired	-41.4% (price as of 2026-08-21)
May 3, 2023	POOL	A	356	—	—	6,648 Direct	+5.66%	Acquired	(price as of 2026-08-21)
March 29, 2023	POOL	L	18	$329.54	$5,932	6,292 Direct	+0.29%	Acquired	-42.0% (price as of 2026-08-21)
Nov. 23, 2022	POOL	L	18	$323.93	$5,831	6,274 Direct	+0.29%	Acquired	-41.0% (price as of 2026-08-21)
Aug. 25, 2022	POOL	L	16	$364.38	$5,830	6,256 Direct	+0.26%	Acquired	-47.6% (price as of 2026-08-21)
May 27, 2022	POOL	L	15	$401.51	$6,023	6,240 Direct	+0.24%	Acquired	-52.4% (price as of 2026-08-21)
May 3, 2022	POOL	A	308	—	—	6,225 Direct	+5.21%	Acquired	(price as of 2026-08-21)
March 24, 2022	POOL	L	10	$465.52	$4,655	5,917 Direct	+0.17%	Acquired	-58.9% (price as of 2026-08-21)
Nov. 24, 2021	POOL	L	8	$558.62	$4,469	5,907 Direct	+0.14%	Acquired	-65.8% (price as of 2026-08-21)
Aug. 26, 2021	POOL	L	9	$480.34	$4,323	5,899 Direct	+0.15%	Acquired	-60.2% (price as of 2026-08-21)
May 28, 2021	POOL	L	10	$431.96	$4,320	5,890 Direct	+0.17%	Acquired	-55.8% (price as of 2026-08-21)
May 4, 2021	POOL	A	278	—	—	5,880 Direct	+4.96%	Acquired	(price as of 2026-08-21)
March 25, 2021	POOL	L	9	$337.84	$3,041	5,602 Direct	+0.16%	Acquired	-43.4% (price as of 2026-08-21)
Nov. 25, 2020	POOL	L	9	$332.79	$2,995	5,593 Direct	+0.16%	Acquired	-42.6% (price as of 2026-08-21)
Aug. 28, 2020	POOL	L	9	$336.91	$3,032	5,575 Direct	+0.16%	Acquired	-43.3% (price as of 2026-08-21)
June 1, 2020	POOL	L	9	$267.41	$2,407	5,575 Direct	+0.16%	Acquired	-28.5% (price as of 2026-08-21)
April 29, 2020	POOL	A	551	—	—	5,566 Direct	+10.99%	Acquired	(price as of 2026-08-21)
March 27, 2020	POOL	L	13	$182.86	$2,377	5,015 Direct	+0.26%	Acquired	4.5% (price as of 2026-08-21)
Nov. 29, 2019	POOL	L	11	$208.97	$2,299	5,002 Direct	+0.22%	Acquired	-8.5% (price as of 2026-08-21)
Aug. 30, 2019	POOL	L	12	$199.12	$2,389	4,991 Direct	+0.24%	Acquired	-4.0% (price as of 2026-08-21)
June 3, 2019	POOL	L	13	$180.58	$2,348	4,979 Direct	+0.26%	Acquired	5.8% (price as of 2026-08-21)
June 3, 2019	POOL	L	13	$189.58	$2,465	4,979 Direct	+0.26%	Acquired	0.8% (price as of 2026-08-21)
May 1, 2019	POOL	A	661	—	—	4,966 Direct	+15.35%	Acquired	(price as of 2026-08-21)
March 29, 2019	POOL	L	9	$165.88	$1,493	4,305 Direct	+0.21%	Acquired	15.2% (price as of 2026-08-21)
Nov. 30, 2018	POOL	L	10	$161.51	$1,615	4,296 Direct	+0.23%	Acquired	18.3% (price as of 2026-08-21)
Aug. 29, 2018	POOL	L	10	$161.03	$1,610	4,286 Direct	+0.23%	Acquired	18.7% (price as of 2026-08-21)
June 4, 2018	POOL	L	11	$144.05	$1,585	4,276 Direct	+0.26%	Acquired	32.7% (price as of 2026-08-21)
May 2, 2018	POOL	A	866	—	—	4,265 Direct	+25.48%	Acquired	(price as of 2026-08-21)
April 2, 2018	POOL	L	6	$147.28	$884	3,399 Direct	+0.18%	Acquired	29.8% (price as of 2026-08-21)
Nov. 29, 2017	POOL	L	7	$122.66	$859	3,393 Direct	+0.21%	Acquired	55.8% (price as of 2026-08-21)
Aug. 24, 2017	POOL	L	8	$104.02	$832	3,386 Direct	+0.24%	Acquired	83.7% (price as of 2026-08-21)
June 1, 2017	POOL	P	3	$119.40	$358	3,378 Direct	+0.09%	Acquired	60.1% (price as of 2026-08-21)
May 2, 2017	POOL	A	989	—	—	3,375 Direct	+41.45%	Acquired	(price as of 2026-08-21)
March 30, 2017	POOL	P	3	$119.60	$359	2,386 Direct	+0.13%	Acquired	59.8% (price as of 2026-08-21)
May 4, 2016	POOL	A	1,371	—	—	2,371 Direct	+137.10%	Acquired	(price as of 2026-08-21)
Dec. 18, 2015	POOL	P	1,000	$79.80	$79,800	1,000 Direct	—	Acquired	139.5% (price as of 2026-08-21)

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.