Mark D Smith

Insider

First SEC filing: April 15, 2026 · Latest: April 15, 2026

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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

AOS selling July 29, 2025

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 54 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

54 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
April 13, 2026	AOS	A	2,262	$66.32	$150,016	118,504 Direct	+1.95%	Acquired	-7.6% (price as of 2026-08-18)
July 29, 2025	AOS	S	2,400	$71.36	$171,264	116,242 Direct	-2.02%	Disposed	-14.1% (price as of 2026-08-18)
April 8, 2025	AOS	A	2,468	$60.78	$150,005	118,642 Direct	+2.12%	Acquired	0.8% (price as of 2026-08-18)
April 9, 2024	AOS	A	1,626	$86.14	$140,064	116,174 Direct	+1.42%	Acquired	-28.9% (price as of 2026-08-18)
Dec. 22, 2023	AOS	G	252,082	—	—	270,776 Indirect	+1348.46%	Acquired	(price as of 2026-08-18)
Dec. 22, 2023	AOS	G	252,082	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-18)
Dec. 22, 2023	AOS	G	252,082	—	—	252,082 Direct	—	Acquired	(price as of 2026-08-18)
Dec. 22, 2023	AOS	G	3,860	—	—	6,773 Indirect	+132.51%	Acquired	(price as of 2026-08-18)
Dec. 22, 2023	AOS	G	3,860	—	—	114,548 Direct	-3.26%	Disposed	(price as of 2026-08-18)
Dec. 22, 2023	AOS	G	3,860	—	—	118,408 Direct	+3.37%	Acquired	(price as of 2026-08-18)
Nov. 22, 2023	AOS	S	2,700	$76.01	$205,227	114,548 Direct	-2.30%	Disposed	-19.4% (price as of 2026-08-18)
May 1, 2023	AOS	S	1,464	$69.75	$102,114	117,248 Direct	-1.23%	Disposed	-12.1% (price as of 2026-08-18)
April 11, 2023	AOS	A	2,126	$65.86	$140,018	118,712 Direct	+1.82%	Acquired	-7.0% (price as of 2026-08-18)
April 12, 2022	AOS	A	2,160	$64.82	$140,011	116,586 Direct	+1.89%	Acquired	-5.5% (price as of 2026-08-18)
July 12, 2021	AOS	A	142	$70.86	$10,062	114,426 Direct	+0.12%	Acquired	-13.5% (price as of 2026-08-18)
April 13, 2021	AOS	A	1,922	$67.67	$130,062	114,284 Direct	+1.71%	Acquired	-9.4% (price as of 2026-08-18)
Feb. 12, 2021	AOS	G	43,541	—	—	3,676 Indirect	-92.21%	Disposed	(price as of 2026-08-18)
Feb. 12, 2021	AOS	G	43,541	—	—	47,217 Indirect	+1184.47%	Acquired	(price as of 2026-08-18)
Feb. 12, 2021	AOS	G	43,541	—	—	12,311 Indirect	-77.96%	Disposed	(price as of 2026-08-18)
Feb. 12, 2021	AOS	G	191,000	—	—	55,852 Indirect	-77.37%	Disposed	(price as of 2026-08-18)
Feb. 12, 2021	AOS	G	316	—	—	8,956 Indirect	-3.41%	Disposed	(price as of 2026-08-18)
Feb. 12, 2021	AOS	G	316	—	—	9,272 Indirect	+3.53%	Acquired	(price as of 2026-08-18)
Feb. 12, 2021	AOS	G	316	—	—	2,104 Indirect	-13.06%	Disposed	(price as of 2026-08-18)
Jan. 5, 2021	AOS	G	12,525	—	—	246,852 Indirect	+5.35%	Acquired	(price as of 2026-08-18)
Jan. 5, 2021	AOS	G	2,420	—	—	2,420 Indirect	—	Acquired	(price as of 2026-08-18)
Aug. 6, 2020	AOS	S	29,500	$48.61	$1,433,995	0 Indirect	-100.00%	Disposed	26.1% (price as of 2026-08-18)
April 15, 2020	AOS	A	3,249	$40.02	$130,025	112,362 Direct	-2.81%	Disposed	53.1% (price as of 2026-08-18)
Nov. 8, 2019	AOS	S	4,820	$51.94	$250,351	109,113 Direct	-4.23%	Disposed	18.0% (price as of 2026-08-18)
July 8, 2019	AOS	A	55	$45.88	$2,523	113,933 Direct	+0.05%	Acquired	33.6% (price as of 2026-08-18)
April 9, 2019	AOS	A	2,299	$54.38	$125,020	113,878 Direct	+2.06%	Acquired	12.7% (price as of 2026-08-18)
April 9, 2018	AOS	A	1,970	$63.48	$125,056	111,579 Direct	+1.80%	Acquired	-3.5% (price as of 2026-08-18)
March 5, 2018	AOS	S	2,600	$62.73	$163,098	109,609 Direct	-2.32%	Disposed	-2.3% (price as of 2026-08-18)
Feb. 6, 2018	AOS	G	490	—	—	234,327 Indirect	-0.21%	Disposed	(price as of 2026-08-18)
April 13, 2017	AOS	A	2,509	$49.83	$125,023	112,209 Direct	+2.29%	Acquired	23.0% (price as of 2026-08-18)
July 28, 2016	AOS	S	1,146	$93.76	$107,449	54,850 Direct	+2.13%	Acquired	30.7% (price as of 2026-08-18)
July 11, 2016	AOS	A	56	$90.26	$5,055	55,996 Direct	+0.10%	Acquired	35.8% (price as of 2026-08-18)
June 6, 2016	AOS	G	340	—	—	117,688 Indirect	+0.29%	Acquired	(price as of 2026-08-18)
April 11, 2016	AOS	A	1,561	$76.90	$120,041	55,940 Direct	+2.87%	Acquired	59.4% (price as of 2026-08-18)
July 14, 2015	AOS	A	148	$67.69	$10,018	54,379 Direct	+0.27%	Acquired	81.1% (price as of 2026-08-18)
April 14, 2015	AOS	A	1,689	$65.14	$110,021	54,231 Direct	+3.21%	Acquired	88.2% (price as of 2026-08-18)
Feb. 26, 2015	AOS	G	444	—	—	118,208 Indirect	-0.37%	Disposed	(price as of 2026-08-18)
Feb. 26, 2015	AOS	G	209	—	—	118,472 Indirect	+0.18%	Acquired	(price as of 2026-08-18)
April 7, 2014	AOS	A	2,432	$45.24	$110,024	52,542 Direct	+4.85%	Acquired	170.9% (price as of 2026-08-18)
Feb. 4, 2014	AOS	G	290	—	—	118,263 Indirect	+0.25%	Acquired	(price as of 2026-08-18)
Feb. 4, 2014	AOS	G	615	—	—	117,973 Indirect	-0.52%	Disposed	(price as of 2026-08-18)
April 15, 2013	AOS	A	1,375	$68.38	$94,022	25,055 Direct	+5.81%	Acquired	258.5% (price as of 2026-08-18)
Dec. 6, 2012	AOS	S	820	$62.67	$51,389	7,376 Indirect	-10.00%	Disposed	291.1% (price as of 2026-08-18)
Nov. 30, 2012	AOS	G	16,145	—	—	59,294 Indirect	+37.42%	Acquired	(price as of 2026-08-18)
Aug. 8, 2012	AOS	A	62	$48.76	$3,023	23,680 Direct	+0.26%	Acquired	402.7% (price as of 2026-08-18)
April 16, 2012	AOS	A	2,035	$44.24	$90,028	23,618 Direct	+9.43%	Acquired	454.1% (price as of 2026-08-18)
April 11, 2011	AOS	A	2,130	$42.27	$90,035	21,583 Direct	+10.95%	Acquired	479.9% (price as of 2026-08-18)
April 12, 2010	AOS	A	1,651	$54.52	$90,013	12,969 Direct	+14.59%	Acquired	574.4% (price as of 2026-08-18)
Jan. 15, 2010	AOS	G	583	—	—	661 Indirect	+747.44%	Acquired	(price as of 2026-08-18)
April 14, 2009	AOS	A	3,253	$27.68	$90,043	11,318 Direct	+40.33%	Acquired	1228.4% (price as of 2026-08-18)
July 14, 2008	AOS	A	680	$33.12	$22,522	8,065 Direct	+9.21%	Acquired	1010.2% (price as of 2026-08-18)
April 14, 2008	AOS	A	1,926	$31.16	$60,014	7,385 Direct	+35.28%	Acquired	1080.0% (price as of 2026-08-18)
April 2, 2007	AOS	A	1,576	$38.08	$60,014	5,459 Direct	+40.59%	Acquired	865.6% (price as of 2026-08-18)
July 20, 2006	AOS	A	665	$45.14	$30,018	3,883 Direct	+20.67%	Acquired	714.6% (price as of 2026-08-18)
April 3, 2006	AOS	A	373	$53.64	$20,008	3,218 Direct	+13.11%	Acquired	585.5% (price as of 2026-08-18)
April 1, 2005	AOS	A	695	$28.81	$20,023	2,845 Direct	+32.33%	Acquired	1176.3% (price as of 2026-08-18)
July 19, 2004	AOS	A	175	$28.58	$5,002	2,150 Direct	+8.86%	Acquired	1186.5% (price as of 2026-08-18)
April 1, 2004	AOS	A	516	$29.08	$15,005	1,975 Direct	+35.37%	Acquired	1164.4% (price as of 2026-08-18)

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
Dec. 22, 2023	AOS	Class A Common Stock	Common Stock (252,082)	$0.00	—	252,082	Acquired
Dec. 22, 2023	AOS	Class A Common Stock	Common Stock (252,082)	$0.00	—	252,082	Disposed
Dec. 22, 2023	AOS	Class A Common Stock	Common Stock (252,082)	$0.00	—	252,082	Acquired
Feb. 12, 2021	AOS	Class A Common Stock	Common Stock (43,541)	—	—	43,541	Disposed
Feb. 12, 2021	AOS	Class A Common Stock	Common Stock (43,541)	—	—	43,541	Acquired
Feb. 12, 2021	AOS	Class A Common Stock	Common Stock (43,541)	—	—	43,541	Disposed
Feb. 12, 2021	AOS	Class A Common Stock	Common Stock (191,000)	—	—	191,000	Disposed
Jan. 5, 2021	AOS	Class A Common Stock	Common Stock (12,525)	—	—	12,525	Acquired
Feb. 6, 2018	AOS	Class A Common Stock	Common Stock (490)	—	—	490	Disposed
June 6, 2016	AOS	Class A Common Stock	Common Stock (340)	—	—	340	Acquired
Feb. 26, 2015	AOS	Class A Common Stock	Common Stock (444)	—	—	444	Disposed
Feb. 26, 2015	AOS	Class A Common Stock	Common Stock (209)	—	—	209	Acquired
Feb. 4, 2014	AOS	Class A Common Stock	Common Stock (290)	—	—	290	Acquired
Feb. 4, 2014	AOS	Class A Common Stock	Common Stock (615)	—	—	615	Disposed
Nov. 30, 2012	AOS	Class A Common Stock	Common Stock (16,145)	—	—	16,145	Acquired

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