Aaron J Nahmad

Insider

First SEC filing: July 15, 2010 · Latest: Jan. 16, 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.
Initial holdings The stakes this person held when they first started reporting.
Compensation Executive pay disclosed in company proxy statements.

Insider at

WSO selling Dec. 14, 2010

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
March 11, 2026	WSO	J	25	$336.95	$8,424	526 Indirect	+4.99%	Acquired	-6.8% (price as of 2026-08-20)
Jan. 7, 2026	WSO	A	13,955	$338.85	$4,728,652	305,993 Direct	+4.78%	Acquired	-7.4% (price as of 2026-08-20)
March 13, 2025	WSO	J	18	$473.89	$8,530	501 Indirect	+3.73%	Acquired	-33.8% (price as of 2026-08-20)
Feb. 11, 2025	WSO	A	569	$473.85	$269,621	292,038 Direct	+0.20%	Acquired	-33.7% (price as of 2026-08-20)
Jan. 7, 2025	WSO	A	10,639	$469.95	$4,999,798	10,639 Direct	—	Acquired	-33.2% (price as of 2026-08-20)
Jan. 7, 2025	WSO	A	8,698	$469.95	$4,087,625	280,830 Direct	+3.20%	Acquired	-33.2% (price as of 2026-08-20)
Jan. 9, 2024	WSO	A	12,118	$412.60	$4,999,887	12,118 Direct	—	Acquired	-23.9% (price as of 2026-08-20)
Jan. 9, 2024	WSO	A	17,764	$422.20	$7,499,961	260,014 Direct	+7.33%	Acquired	-25.6% (price as of 2026-08-20)
March 13, 2023	WSO	J	30	$249.40	$7,482	464 Indirect	+6.91%	Acquired	25.9% (price as of 2026-08-20)
Feb. 7, 2023	WSO	A	632	$316.32	$199,914	64,237 Direct	+0.99%	Acquired	-0.8% (price as of 2026-08-20)
Feb. 7, 2023	WSO	A	29,701	$252.51	$7,499,800	242,250 Direct	+13.97%	Acquired	24.3% (price as of 2026-08-20)
Jan. 10, 2023	WSO	A	9,229	$270.88	$2,499,952	212,549 Direct	+4.54%	Acquired	15.9% (price as of 2026-08-20)
March 14, 2022	WSO	J	23	$312.88	$7,196	434 Indirect	+5.60%	Acquired	0.3% (price as of 2026-08-20)
Jan. 11, 2022	WSO	A	7,224	$314.00	$2,268,336	7,224 Direct	—	Acquired	0.0% (price as of 2026-08-20)
Jan. 11, 2022	WSO	A	24,444	$306.82	$7,499,908	196,096 Direct	+14.24%	Acquired	2.3% (price as of 2026-08-20)
March 10, 2021	WSO	J	25	$226.55	$5,664	411 Indirect	+6.48%	Acquired	38.6% (price as of 2026-08-20)
Feb. 9, 2021	WSO	A	5,303	$233.05	$1,235,864	171,652 Direct	+3.19%	Acquired	34.7% (price as of 2026-08-20)
Jan. 12, 2021	WSO	A	2,844	$233.05	$662,794	2,844 Direct	—	Acquired	34.7% (price as of 2026-08-20)
Jan. 12, 2021	WSO	A	26,878	$233.05	$6,263,918	163,505 Direct	+19.67%	Acquired	34.7% (price as of 2026-08-20)
March 9, 2020	WSO	J	31	$180.15	$5,585	386 Indirect	+8.73%	Acquired	74.3% (price as of 2026-08-20)
Feb. 11, 2020	WSO	A	108	$181.50	$19,602	136,627 Direct	+0.08%	Acquired	73.0% (price as of 2026-08-20)
Jan. 7, 2020	WSO	A	2,138	$181.50	$388,047	2,138 Direct	—	Acquired	73.0% (price as of 2026-08-20)
Jan. 7, 2020	WSO	A	18,640	$181.50	$3,383,160	134,381 Direct	+16.10%	Acquired	73.0% (price as of 2026-08-20)
April 4, 2019	WSO	A	354	$142.86	$50,572	115,741 Direct	+0.31%	Acquired	119.8% (price as of 2026-08-20)
March 12, 2019	WSO	J	39	$139.14	$5,426	355 Indirect	+12.34%	Acquired	125.6% (price as of 2026-08-20)
Feb. 12, 2019	WSO	A	14,706	$135.25	$1,988,986	115,387 Direct	+14.61%	Acquired	132.1% (price as of 2026-08-20)
Jan. 7, 2019	WSO	A	8,591	$141.66	$1,217,001	100,681 Direct	+9.33%	Acquired	121.6% (price as of 2026-08-20)
March 8, 2018	WSO	J	23	$170.04	$3,911	316 Indirect	+7.85%	Acquired	84.6% (price as of 2026-08-20)
Feb. 6, 2018	WSO	A	6,775	$169.00	$1,144,975	92,090 Direct	+7.94%	Acquired	85.8% (price as of 2026-08-20)
Jan. 8, 2018	WSO	A	7,004	$169.00	$1,183,676	85,315 Direct	+8.94%	Acquired	85.8% (price as of 2026-08-20)
March 2, 2017	WSO	A	4,935	$148.75	$734,081	78,311 Direct	+6.73%	Acquired	111.1% (price as of 2026-08-20)
March 2, 2017	WSO	J	26	$148.12	$3,851	293 Indirect	+9.74%	Acquired	111.9% (price as of 2026-08-20)
Jan. 6, 2017	WSO	A	20,839	$148.75	$3,099,801	73,376 Direct	+39.67%	Acquired	111.1% (price as of 2026-08-20)
March 8, 2016	WSO	J	33	$117.13	$3,865	267 Indirect	+14.10%	Acquired	168.0% (price as of 2026-08-20)
March 1, 2016	WSO	A	1,837	$126.16	$231,756	52,537 Direct	+3.62%	Acquired	148.8% (price as of 2026-08-20)
Sept. 25, 2015	WSO	A	10,000	$125.00	$1,250,000	50,700 Direct	+24.57%	Acquired	151.2% (price as of 2026-08-20)
May 20, 2015	WSO	M	12,000	$56.70	$680,400	63,605 Direct	+23.25%	Acquired	453.7% (price as of 2026-08-20)
May 20, 2015	WSO	M	12,000	$56.70	$680,400	0 Direct	-100.00%	Disposed	453.7% (price as of 2026-08-20)
March 4, 2015	WSO	J	33	$107.00	$3,531	240 Indirect	+15.94%	Acquired	193.4% (price as of 2026-08-20)
Aug. 9, 2014	WSO	J	10,000	$91.40	$914,000	40,700 Direct	+32.57%	Acquired	243.5% (price as of 2026-08-20)
March 6, 2014	WSO	J	31	$96.06	$2,978	207 Indirect	+17.61%	Acquired	226.8% (price as of 2026-08-20)
July 29, 2013	WSO	J	15,000	$93.22	$1,398,300	30,700 Direct	+95.54%	Acquired	236.8% (price as of 2026-08-20)
March 14, 2013	WSO	J	32	$74.90	$2,397	176 Indirect	+22.22%	Acquired	319.1% (price as of 2026-08-20)
Sept. 10, 2012	WSO	M	5,000	$47.47	$237,350	0 Direct	-100.00%	Disposed	561.3% (price as of 2026-08-20)
Sept. 10, 2012	WSO	F	3,592	$77.00	$276,584	1,408 Direct	-71.84%	Disposed	307.7% (price as of 2026-08-20)
Sept. 10, 2012	WSO	M	5,000	$47.47	$237,350	0 Direct	—	Acquired	561.3% (price as of 2026-08-20)
July 1, 2012	WSO	J	2,500	$70.50	$176,250	15,700 Direct	+18.94%	Acquired	345.3% (price as of 2026-08-20)
March 14, 2012	WSO	J	31	$65.66	$2,035	144 Indirect	+27.43%	Acquired	378.1% (price as of 2026-08-20)
Oct. 7, 2011	WSO	J	30,889	$56.95	$1,759,129	51,605 Direct	+149.11%	Acquired	451.3% (price as of 2026-08-20)
Sept. 26, 2011	WSO	G	5,000	$54.38	$271,900	20,716 Direct	+31.81%	Acquired	477.3% (price as of 2026-08-20)
April 15, 2011	WSO	A	5,000	$69.70	$348,500	13,200 Direct	+60.98%	Acquired	350.4% (price as of 2026-08-20)
April 1, 2011	WSO	J	16	—	—	15,716 Direct	+0.10%	Acquired	(price as of 2026-08-20)
March 11, 2011	WSO	J	17	$63.08	$1,072	113 Indirect	+17.71%	Acquired	397.7% (price as of 2026-08-20)
Jan. 18, 2011	WSO	J	15,655	—	—	15,700 Direct	+34788.89%	Acquired	(price as of 2026-08-20)
Jan. 7, 2011	WSO	A	8,200	$61.10	$501,020	8,200 Direct	—	Acquired	413.8% (price as of 2026-08-20)
Dec. 14, 2010	WSO	M	5,000	$59.73	$298,650	0 Direct	-100.00%	Disposed	425.6% (price as of 2026-08-20)
Dec. 14, 2010	WSO	S	100	$64.20	$6,420	0 Direct	-100.00%	Disposed	389.0% (price as of 2026-08-20)
Dec. 14, 2010	WSO	S	100	$64.13	$6,413	0 Direct	-100.00%	Disposed	389.5% (price as of 2026-08-20)
Dec. 14, 2010	WSO	S	200	$64.16	$12,832	0 Direct	-100.00%	Disposed	389.3% (price as of 2026-08-20)
Dec. 14, 2010	WSO	S	100	$64.05	$6,405	0 Direct	-100.00%	Disposed	390.1% (price as of 2026-08-20)
Dec. 14, 2010	WSO	S	100	$64.27	$6,427	0 Direct	-100.00%	Disposed	388.5% (price as of 2026-08-20)
Dec. 14, 2010	WSO	S	100	$64.30	$6,430	0 Direct	-100.00%	Disposed	388.2% (price as of 2026-08-20)
Dec. 14, 2010	WSO	S	200	$64.23	$12,846	0 Direct	-100.00%	Disposed	388.8% (price as of 2026-08-20)
Dec. 14, 2010	WSO	S	600	$64.24	$38,544	0 Direct	-100.00%	Disposed	388.7% (price as of 2026-08-20)
Dec. 14, 2010	WSO	S	300	$64.14	$19,242	0 Direct	-100.00%	Disposed	389.5% (price as of 2026-08-20)
Dec. 14, 2010	WSO	S	200	$64.08	$12,816	0 Direct	-100.00%	Disposed	389.9% (price as of 2026-08-20)
Dec. 14, 2010	WSO	S	100	$64.10	$6,410	0 Direct	-100.00%	Disposed	389.8% (price as of 2026-08-20)
Dec. 14, 2010	WSO	S	400	$64.18	$25,672	0 Direct	-100.00%	Disposed	389.2% (price as of 2026-08-20)
Dec. 14, 2010	WSO	S	200	$64.11	$12,822	0 Direct	-100.00%	Disposed	389.7% (price as of 2026-08-20)
Dec. 14, 2010	WSO	S	200	$64.19	$12,838	0 Direct	-100.00%	Disposed	389.1% (price as of 2026-08-20)
Dec. 14, 2010	WSO	S	300	$64.22	$19,266	0 Direct	-100.00%	Disposed	388.9% (price as of 2026-08-20)
Dec. 14, 2010	WSO	S	100	$64.17	$6,417	0 Direct	-100.00%	Disposed	389.2% (price as of 2026-08-20)
Dec. 14, 2010	WSO	S	500	$64.15	$32,075	0 Direct	-100.00%	Disposed	389.4% (price as of 2026-08-20)
Dec. 14, 2010	WSO	S	400	$64.12	$25,648	0 Direct	-100.00%	Disposed	389.6% (price as of 2026-08-20)
Dec. 14, 2010	WSO	S	200	$64.09	$12,818	0 Direct	-100.00%	Disposed	389.8% (price as of 2026-08-20)
Dec. 14, 2010	WSO	S	100	$64.06	$6,406	0 Direct	-100.00%	Disposed	390.1% (price as of 2026-08-20)
Dec. 14, 2010	WSO	S	100	$64.29	$6,429	0 Direct	-100.00%	Disposed	388.3% (price as of 2026-08-20)
Dec. 14, 2010	WSO	S	200	$64.21	$12,842	0 Direct	-100.00%	Disposed	388.9% (price as of 2026-08-20)
Dec. 14, 2010	WSO	S	200	$64.26	$12,852	0 Direct	-100.00%	Disposed	388.5% (price as of 2026-08-20)
Dec. 14, 2010	WSO	M	5,000	$59.73	$298,650	0 Direct	—	Acquired	425.6% (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. 7, 2026	WSO	Class B Common stock	Class B Common stock (13,955)	—	—	13,955	Acquired
Feb. 11, 2025	WSO	Class B Common stock	Class B Common stock (569)	—	—	569	Acquired
Jan. 7, 2025	WSO	Class B Common stock	Class B Common stock (10,639)	—	—	10,639	Acquired
Jan. 7, 2025	WSO	Class B Common stock	Class B Common stock (8,698)	—	—	8,698	Acquired
Jan. 9, 2024	WSO	Class B Common stock	Class B Common stock (12,118)	—	—	12,118	Acquired
Jan. 9, 2024	WSO	Class B Common stock	Class B Common stock (17,764)	—	—	17,764	Acquired
Feb. 7, 2023	WSO	Class B Common stock	Class B Common stock (632)	—	—	632	Acquired
Feb. 7, 2023	WSO	Class B Common stock	Class B Common stock (29,701)	—	—	29,701	Acquired
Jan. 10, 2023	WSO	Class B Common stock	Class B Common stock (9,229)	—	—	9,229	Acquired
Jan. 11, 2022	WSO	Class B Common stock	Class B Common stock (7,224)	—	—	7,224	Acquired
Jan. 11, 2022	WSO	Class B Common stock	Class B Common stock (24,444)	—	—	24,444	Acquired
Feb. 9, 2021	WSO	Class B Common stock	Class B Common stock (5,303)	—	—	5,303	Acquired
Jan. 12, 2021	WSO	Class B Common stock	Class B Common stock (2,844)	—	—	2,844	Acquired
Jan. 12, 2021	WSO	Class B Common stock	Class B Common stock (26,878)	—	—	26,878	Acquired
Feb. 11, 2020	WSO	Class B Common stock	Class B Common stock (108)	—	—	108	Acquired
Jan. 7, 2020	WSO	Class B Common stock	Class B Common stock (2,138)	—	—	2,138	Acquired
Jan. 7, 2020	WSO	Class B Common stock	Class B Common stock (18,640)	—	—	18,640	Acquired
April 4, 2019	WSO	Class B Common stock	Class B Common stock (354)	—	—	354	Acquired
Feb. 12, 2019	WSO	Class B Common stock	Class B Common stock (14,706)	—	—	14,706	Acquired
Jan. 7, 2019	WSO	Class B Common stock	Class B Common stock (8,591)	—	—	8,591	Acquired
Feb. 6, 2018	WSO	Class B Common stock	Class B Common stock (6,775)	—	—	6,775	Acquired
Jan. 8, 2018	WSO	Class B Common stock	Class B Common stock (7,004)	—	—	7,004	Acquired
March 2, 2017	WSO	Class B Common Stock	Class B Common Stock (4,935)	—	—	4,935	Acquired
Jan. 6, 2017	WSO	Class B Common Stock	Class B Common Stock (20,839)	—	—	20,839	Acquired
March 1, 2016	WSO	Class B Common Stock	Class B Common Stock (1,837)	—	—	1,837	Acquired
Sept. 25, 2015	WSO	Class B Common Stock	Class B Common Stock (10,000)	—	—	10,000	Acquired
May 20, 2015	WSO	Class B Common Stock	Class B Common Stock (12,000)	—	—	12,000	Acquired
May 20, 2015	WSO	Stock Option (right to buy)	Class B Common Stock (12,000)	$56.70	July 6, 2015	12,000	Disposed
Aug. 9, 2014	WSO	Class B Common Stock	Class B Common Stock (10,000)	—	—	10,000	Acquired
July 29, 2013	WSO	Class B Common Stock	Common Stock (15,000)	—	—	15,000	Acquired
Sept. 10, 2012	WSO	Stock Option (right to buy)	Common Stock (5,000)	$47.47	Sept. 17, 2012	5,000	Disposed
Dec. 14, 2010	WSO	Stock Option (right to buy)	Common Stock (5,000)	$59.73	Dec. 19, 2010	5,000	Disposed

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

Initial ownership (Form 3) 5 holdings

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

Date	Ticker	Security	Shares	Ownership
July 15, 2010	WSO	Class B Common Stock	45	Direct
July 15, 2010	WSO	Common Stock	96	Indirect
July 15, 2010	WSO	Stock Option (right to buy)→ Common Stock (5,000)	5,000	Direct
July 15, 2010	WSO	Stock Option (right to buy)→ Common Stock (5,000)	5,000	Direct
July 15, 2010	WSO	Stock Option (right to buy)→ Class B Common Stock (12,000)	12,000	Direct

Compensation (DEF 14A)

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

WSO

President

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2025	—	—	—	—	—	—	—	—
2024	—	—	—	—	—	—	—	—
2023	—	—	—	—	—	—	—	—

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