Wilfridus M Brouwer

Insider

First SEC filing: March 7, 2018 · Latest: March 7, 2018

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

AOS selling March 6, 2018

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 56 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

56 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 6, 2018	AOS	S	30,000	$63.11	$1,893,300	7,630 Direct	-79.72%	Disposed	0.7% (price as of 2026-08-20)
Feb. 12, 2018	AOS	A	6,220	—	—	31,905 Direct	+24.22%	Acquired	(price as of 2026-08-20)
Feb. 12, 2018	AOS	A	1,495	—	—	6,255 Direct	+31.41%	Acquired	(price as of 2026-08-20)
Feb. 9, 2018	AOS	M	3,010	—	—	4,760 Direct	-38.74%	Disposed	(price as of 2026-08-20)
Feb. 9, 2018	AOS	F	1,566	$60.11	$94,132	37,624 Direct	-4.00%	Disposed	5.7% (price as of 2026-08-20)
Feb. 9, 2018	AOS	M	3,010	$60.11	$180,931	39,190 Direct	+8.32%	Acquired	5.7% (price as of 2026-08-20)
Dec. 7, 2017	AOS	M	3,910	—	—	25,685 Direct	-13.21%	Disposed	(price as of 2026-08-20)
Dec. 7, 2017	AOS	M	3,734	—	—	29,595 Direct	-11.20%	Disposed	(price as of 2026-08-20)
Dec. 7, 2017	AOS	S	7,644	$61.59	$470,794	36,164 Direct	-17.45%	Disposed	3.2% (price as of 2026-08-20)
Dec. 7, 2017	AOS	M	3,910	$31.67	$123,830	43,808 Direct	+9.80%	Acquired	100.6% (price as of 2026-08-20)
Dec. 7, 2017	AOS	M	3,734	$23.24	$86,778	39,878 Direct	+10.33%	Acquired	173.4% (price as of 2026-08-20)
Feb. 13, 2017	AOS	A	1,840	—	—	7,770 Direct	+31.03%	Acquired	(price as of 2026-08-20)
Feb. 13, 2017	AOS	A	7,085	—	—	33,329 Direct	+27.00%	Acquired	(price as of 2026-08-20)
Feb. 10, 2017	AOS	M	4,000	—	—	5,930 Direct	-40.28%	Disposed	(price as of 2026-08-20)
Feb. 10, 2017	AOS	F	1,800	$49.86	$89,748	36,164 Direct	-4.74%	Disposed	27.4% (price as of 2026-08-20)
Feb. 10, 2017	AOS	M	4,000	$49.86	$199,440	37,964 Direct	+11.78%	Acquired	27.4% (price as of 2026-08-20)
July 29, 2016	AOS	M	2,467	$34.92	$86,148	19,449 Direct	+14.53%	Acquired	263.9% (price as of 2026-08-20)
July 29, 2016	AOS	M	3,733	$46.47	$173,473	23,182 Direct	+19.19%	Acquired	173.5% (price as of 2026-08-20)
July 29, 2016	AOS	S	6,200	$93.29	$578,398	16,982 Direct	-26.74%	Disposed	36.2% (price as of 2026-08-20)
July 29, 2016	AOS	M	2,467	—	—	16,855 Direct	-12.77%	Disposed	(price as of 2026-08-20)
July 29, 2016	AOS	M	3,733	—	—	13,122 Direct	-22.15%	Disposed	(price as of 2026-08-20)
Feb. 12, 2016	AOS	S	1,303	$65.75	$85,672	16,982 Direct	-7.13%	Disposed	93.3% (price as of 2026-08-20)
Feb. 11, 2016	AOS	M	2,600	—	—	4,965 Direct	-34.37%	Disposed	(price as of 2026-08-20)
Feb. 11, 2016	AOS	M	2,600	$63.34	$164,684	18,285 Direct	+16.58%	Acquired	100.6% (price as of 2026-08-20)
Feb. 8, 2016	AOS	A	1,460	—	—	7,565 Direct	+23.91%	Acquired	(price as of 2026-08-20)
Feb. 8, 2016	AOS	A	5,865	—	—	19,322 Direct	+43.58%	Acquired	(price as of 2026-08-20)
Oct. 27, 2015	AOS	M	4,933	—	—	13,457 Direct	-26.82%	Disposed	(price as of 2026-08-20)
Oct. 27, 2015	AOS	M	11,000	—	—	18,390 Direct	-37.43%	Disposed	(price as of 2026-08-20)
Oct. 27, 2015	AOS	S	15,933	$73.38	$1,169,164	15,685 Direct	-50.39%	Disposed	73.2% (price as of 2026-08-20)
Oct. 27, 2015	AOS	M	4,933	$34.92	$172,260	31,618 Direct	+18.49%	Acquired	263.9% (price as of 2026-08-20)
Oct. 27, 2015	AOS	M	11,000	$22.98	$252,780	26,685 Direct	+70.13%	Acquired	453.0% (price as of 2026-08-20)
Feb. 18, 2015	AOS	S	2,102	$62.21	$130,765	15,685 Direct	-11.82%	Disposed	104.3% (price as of 2026-08-20)
Feb. 13, 2015	AOS	M	4,000	—	—	6,105 Direct	-39.58%	Disposed	(price as of 2026-08-20)
Feb. 13, 2015	AOS	M	4,000	$62.78	$251,120	17,787 Direct	+29.01%	Acquired	102.4% (price as of 2026-08-20)
Feb. 9, 2015	AOS	A	1,505	—	—	10,105 Direct	+17.50%	Acquired	(price as of 2026-08-20)
Feb. 9, 2015	AOS	A	5,390	—	—	29,390 Direct	+22.46%	Acquired	(price as of 2026-08-20)
Sept. 8, 2014	AOS	M	15,000	—	—	34,200 Direct	-30.49%	Disposed	(price as of 2026-08-20)
Sept. 5, 2014	AOS	M	10,200	—	—	24,000 Direct	-29.82%	Disposed	(price as of 2026-08-20)
Sept. 5, 2014	AOS	S	25,200	$49.29	$1,242,108	13,787 Direct	-64.64%	Disposed	157.8% (price as of 2026-08-20)
Sept. 5, 2014	AOS	M	10,200	$21.56	$219,912	38,987 Direct	+35.43%	Acquired	489.4% (price as of 2026-08-20)
Sept. 5, 2014	AOS	M	15,000	$8.20	$123,000	28,787 Direct	+108.80%	Acquired	1449.8% (price as of 2026-08-20)
Feb. 10, 2014	AOS	A	2,000	—	—	8,600 Direct	+30.30%	Acquired	(price as of 2026-08-20)
Feb. 10, 2014	AOS	A	5,600	—	—	49,200 Direct	+12.84%	Acquired	(price as of 2026-08-20)
Feb. 10, 2014	AOS	S	2,073	$46.67	$96,747	13,787 Direct	-13.07%	Disposed	172.3% (price as of 2026-08-20)
Feb. 7, 2014	AOS	M	4,000	—	—	6,600 Direct	-37.74%	Disposed	(price as of 2026-08-20)
Feb. 7, 2014	AOS	M	4,000	$46.34	$185,360	15,860 Direct	+33.73%	Acquired	174.2% (price as of 2026-08-20)
Nov. 11, 2013	AOS	M	6,150	—	—	43,600 Direct	-12.36%	Disposed	(price as of 2026-08-20)
Nov. 11, 2013	AOS	S	6,150	$52.59	$323,428	11,860 Direct	-34.15%	Disposed	141.6% (price as of 2026-08-20)
Nov. 11, 2013	AOS	M	6,150	$13.96	$85,854	18,010 Direct	+51.85%	Acquired	810.3% (price as of 2026-08-20)
Aug. 19, 2013	AOS	M	6,150	$13.96	$85,854	18,010 Direct	+51.85%	Acquired	810.3% (price as of 2026-08-20)
Aug. 19, 2013	AOS	M	15,000	$8.20	$123,000	33,010 Direct	+83.29%	Acquired	1449.8% (price as of 2026-08-20)
Aug. 19, 2013	AOS	S	21,150	$41.82	$884,493	11,860 Direct	-64.07%	Disposed	203.9% (price as of 2026-08-20)
Aug. 19, 2013	AOS	M	6,150	—	—	64,750 Direct	-8.67%	Disposed	(price as of 2026-08-20)
Aug. 19, 2013	AOS	M	15,000	—	—	49,750 Direct	-23.17%	Disposed	(price as of 2026-08-20)
Feb. 11, 2013	AOS	A	1,300	—	—	5,300 Direct	+32.50%	Acquired	(price as of 2026-08-20)
Feb. 11, 2013	AOS	A	3,700	—	—	35,450 Direct	+11.65%	Acquired	(price as of 2026-08-20)
Feb. 11, 2013	AOS	S	1,180	$69.66	$82,199	5,930 Direct	-16.60%	Disposed	264.9% (price as of 2026-08-20)
Feb. 8, 2013	AOS	M	2,250	—	—	4,000 Direct	-36.00%	Disposed	(price as of 2026-08-20)
Feb. 8, 2013	AOS	M	2,250	—	—	7,110 Direct	+46.30%	Acquired	(price as of 2026-08-20)
March 5, 2012	AOS	S	5,490	$45.10	$247,599	4,860 Direct	-53.04%	Disposed	463.5% (price as of 2026-08-20)
March 5, 2012	AOS	M	10,350	$45.10	$466,785	10,350 Direct	—	Acquired	463.5% (price as of 2026-08-20)
March 2, 2012	AOS	M	10,350	—	—	6,250 Direct	-62.35%	Disposed	(price as of 2026-08-20)
Feb. 13, 2012	AOS	A	2,000	—	—	16,600 Direct	+13.70%	Acquired	(price as of 2026-08-20)
Feb. 13, 2012	AOS	A	5,500	—	—	31,750 Direct	+20.95%	Acquired	(price as of 2026-08-20)
Feb. 7, 2011	AOS	A	2,000	—	—	14,600 Direct	+15.87%	Acquired	(price as of 2026-08-20)
Feb. 7, 2011	AOS	A	5,100	—	—	26,250 Direct	+24.11%	Acquired	(price as of 2026-08-20)
Feb. 8, 2010	AOS	A	1,500	—	—	8,400 Direct	+21.74%	Acquired	(price as of 2026-08-20)
Feb. 8, 2010	AOS	A	4,100	—	—	14,100 Direct	+41.00%	Acquired	(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
Feb. 12, 2018	AOS	Employee Stock Options (Right to Buy)	Common Stock (6,220)	$61.76	Feb. 12, 2028	6,220	Acquired
Feb. 12, 2018	AOS	Restricted Stock Units	Common Stock (1,495)	$61.76	—	1,495	Acquired
Feb. 9, 2018	AOS	Restricted Stock Units	Common Stock (3,010)	$60.11	—	3,010	Disposed
Dec. 7, 2017	AOS	Employee Stock Options (Right to Buy)	Common Stock (3,910)	$31.67	Feb. 8, 2026	3,910	Disposed
Dec. 7, 2017	AOS	Employee Stock Options (Right to Buy)	Common Stock (3,734)	$23.24	Feb. 10, 2024	3,734	Disposed
Feb. 13, 2017	AOS	Restricted Stock Units	Common Stock (1,840)	$50.16	—	1,840	Acquired
Feb. 13, 2017	AOS	Employee Stock Options (Right to Buy)	Common Stock (7,085)	$50.16	Feb. 13, 2027	7,085	Acquired
Feb. 10, 2017	AOS	Restricted Stock Units	Common Stock (4,000)	$49.86	—	4,000	Disposed
July 29, 2016	AOS	Employee Stock Options (Right to Buy)	Common Stock (2,467)	$34.92	Feb. 11, 2023	2,467	Disposed
July 29, 2016	AOS	Employee Stock Options (Right to Buy)	Common Stock (3,733)	$46.47	Feb. 10, 2024	3,733	Disposed
Feb. 11, 2016	AOS	Restricted Stock Units	Common Stock (2,600)	$63.34	—	2,600	Disposed
Feb. 8, 2016	AOS	Restricted Stock Units	Common Stock (1,460)	$63.34	—	1,460	Acquired
Feb. 8, 2016	AOS	Employee Stock Options (Right to Buy)	Common Stock (5,865)	$63.34	Feb. 8, 2026	5,865	Acquired
Oct. 27, 2015	AOS	Employee Stock Options (Right to Buy)	Common Stock (4,933)	$34.92	Feb. 11, 2023	4,933	Disposed
Oct. 27, 2015	AOS	Employee Stock Options (Right to Buy)	Common Stock (11,000)	$22.98	Feb. 13, 2022	11,000	Disposed
Feb. 13, 2015	AOS	Restricted Stock Units	Common Stock (4,000)	$62.78	—	4,000	Disposed
Feb. 9, 2015	AOS	Restricted Stock Units	Common Stock (1,505)	$61.53	—	1,505	Acquired
Feb. 9, 2015	AOS	Employee Stock Options (Right to Buy)	Common Stock (5,390)	$61.53	Feb. 9, 2025	5,390	Acquired
Sept. 8, 2014	AOS	Employee Stock Options (Right to Buy)	Common Stock (15,000)	$8.20	March 2, 2019	15,000	Disposed
Sept. 5, 2014	AOS	Employee Stock Options (Right to Buy)	Common Stock (10,200)	$21.56	Feb. 7, 2021	10,200	Disposed
Feb. 10, 2014	AOS	Restricted Stock Units	Common Stock (2,000)	$46.47	—	2,000	Acquired
Feb. 10, 2014	AOS	Employee Stock Options (Right to Buy)	Common Stock (5,600)	$46.47	Feb. 10, 2024	5,600	Acquired
Feb. 7, 2014	AOS	Restricted Stock Units	Common Stock (4,000)	$46.34	—	4,000	Disposed
Nov. 11, 2013	AOS	Employee Stock Options (Right to Buy)	Common Stock (6,150)	$13.96	Feb. 8, 2020	6,150	Disposed
Aug. 19, 2013	AOS	Employee Stock Options (Right to Buy)	Common Stock (6,150)	$13.96	Feb. 8, 2020	6,150	Disposed
Aug. 19, 2013	AOS	Employee Stock Options (Right to Buy)	Common Stock (15,000)	$8.20	March 2, 2019	15,000	Disposed
Feb. 11, 2013	AOS	Restricted Stock Units	Common Stock (1,300)	$69.84	—	1,300	Acquired
Feb. 11, 2013	AOS	Employee Stock Options (Right to Buy)	Common Stock (3,700)	$69.84	Feb. 11, 2023	3,700	Acquired
Feb. 8, 2013	AOS	Restricted Stock Units	Common Stock (2,250)	—	—	2,250	Disposed
March 2, 2012	AOS	Restricted Stock Units	Common Stock (10,350)	—	—	10,350	Disposed
Feb. 13, 2012	AOS	Restricted Stock Units	Common Stock (2,000)	$45.97	—	2,000	Acquired
Feb. 13, 2012	AOS	Employee Stock Options (Right to Buy)	Common Stock (5,500)	$45.97	Feb. 13, 2022	5,500	Acquired
Feb. 7, 2011	AOS	Restricted Stock Units	Common Stock (2,000)	$43.12	—	2,000	Acquired
Feb. 7, 2011	AOS	Employee Stock Options (Right to Buy)	Common Stock (5,100)	$43.12	Feb. 7, 2021	5,100	Acquired
Feb. 8, 2010	AOS	Restricted Stock Units	Common Stock (1,500)	$41.90	—	1,500	Acquired
Feb. 8, 2010	AOS	Employee Stock Options (Right to Buy)	Common Stock (4,100)	$41.90	Feb. 8, 2020	4,100	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
June 1, 2009	AOS	Employee Stock Options (Right to Buy)→ Common Stock (10,000)	10,000	Direct
June 1, 2009	AOS	Restriced Stock Units→ Common Stock (6,900)	6,900	Direct