Patricia K Ackerman

Insider

First SEC filing: Feb. 15, 2022 · Latest: Feb. 15, 2022

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

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 67 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

67 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 2, 2026	MGEE	A	1,039	—	—	1,039 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 31, 2025	MGEE	M	918	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Dec. 31, 2025	MGEE	D	184	—	—	734 Direct	-20.04%	Disposed	(price as of 2026-08-20)
Dec. 31, 2025	MGEE	M	918	—	—	918 Direct	—	Acquired	(price as of 2026-08-20)
March 3, 2025	MGEE	A	918	—	—	918 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2024	MGEE	A	1,061	—	—	1,061 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 11, 2022	AOS	M	935	—	—	21,547 Direct	-4.16%	Disposed	(price as of 2026-08-20)
Feb. 11, 2022	AOS	F	300	$71.72	$21,516	1,802 Direct	-14.27%	Disposed	-11.4% (price as of 2026-08-20)
Feb. 11, 2022	AOS	M	935	$71.72	$67,058	2,102 Direct	+80.12%	Acquired	-11.4% (price as of 2026-08-20)
Feb. 7, 2022	AOS	A	840	—	—	22,482 Direct	+3.88%	Acquired	(price as of 2026-08-20)
Feb. 7, 2022	AOS	A	3,545	—	—	27,620 Direct	+14.72%	Acquired	(price as of 2026-08-20)
May 12, 2021	AOS	G	42	—	—	1,167 Direct	-3.47%	Disposed	(price as of 2026-08-20)
May 10, 2021	AOS	S	2,300	$72.55	$166,865	1,209 Direct	-65.55%	Disposed	-12.4% (price as of 2026-08-20)
Feb. 12, 2021	AOS	M	930	—	—	21,369 Direct	-4.17%	Disposed	(price as of 2026-08-20)
Feb. 12, 2021	AOS	F	292	$60.65	$17,710	3,509 Direct	-7.68%	Disposed	4.8% (price as of 2026-08-20)
Feb. 12, 2021	AOS	A	930	$60.65	$56,404	3,801 Direct	+32.39%	Acquired	4.8% (price as of 2026-08-20)
Feb. 8, 2021	AOS	A	975	—	—	22,299 Direct	+4.57%	Acquired	(price as of 2026-08-20)
Feb. 8, 2021	AOS	A	4,240	—	—	24,075 Direct	+21.38%	Acquired	(price as of 2026-08-20)
Nov. 17, 2020	AOS	M	7,300	—	—	19,835 Direct	-26.90%	Disposed	(price as of 2026-08-20)
Nov. 17, 2020	AOS	M	6,700	—	—	27,135 Direct	-19.80%	Disposed	(price as of 2026-08-20)
Nov. 17, 2020	AOS	S	14,000	$56.39	$789,460	2,871 Direct	-82.98%	Disposed	12.7% (price as of 2026-08-20)
Nov. 17, 2020	AOS	M	7,300	$31.67	$231,191	16,871 Direct	+76.27%	Acquired	100.6% (price as of 2026-08-20)
Nov. 17, 2020	AOS	M	6,700	$30.76	$206,092	9,571 Direct	+233.37%	Acquired	106.6% (price as of 2026-08-20)
Nov. 10, 2020	AOS	G	60	—	—	2,871 Direct	-2.05%	Disposed	(price as of 2026-08-20)
Feb. 13, 2020	AOS	M	1,145	—	—	20,951 Direct	-5.18%	Disposed	(price as of 2026-08-20)
Feb. 13, 2020	AOS	F	562	$43.96	$24,706	2,931 Direct	-16.09%	Disposed	44.5% (price as of 2026-08-20)
Feb. 13, 2020	AOS	A	1,145	$43.96	$50,334	3,493 Direct	+48.76%	Acquired	44.5% (price as of 2026-08-20)
Feb. 10, 2020	AOS	A	1,400	—	—	22,096 Direct	+6.76%	Acquired	(price as of 2026-08-20)
Feb. 10, 2020	AOS	A	7,290	—	—	33,835 Direct	+27.46%	Acquired	(price as of 2026-08-20)
Nov. 8, 2019	AOS	G	60	—	—	2,348 Direct	-2.49%	Disposed	(price as of 2026-08-20)
Feb. 11, 2019	AOS	A	4,265	—	—	265,545 Direct	+1.63%	Acquired	(price as of 2026-08-20)
Feb. 11, 2019	AOS	A	935	—	—	20,366 Direct	+4.81%	Acquired	(price as of 2026-08-20)
Feb. 8, 2019	AOS	M	1,820	—	—	19,191 Direct	-8.66%	Disposed	(price as of 2026-08-20)
Feb. 8, 2019	AOS	F	952	$48.72	$46,381	2,408 Direct	-28.33%	Disposed	30.4% (price as of 2026-08-20)
Feb. 8, 2019	AOS	A	1,820	$48.72	$88,670	3,360 Direct	+118.18%	Acquired	30.4% (price as of 2026-08-20)
Nov. 13, 2018	AOS	G	56	—	—	1,540 Direct	-3.51%	Disposed	(price as of 2026-08-20)
Feb. 12, 2018	AOS	A	3,870	—	—	22,280 Direct	+21.02%	Acquired	(price as of 2026-08-20)
Feb. 12, 2018	AOS	A	930	—	—	21,011 Direct	+4.63%	Acquired	(price as of 2026-08-20)
Sept. 8, 2017	AOS	G	46	—	—	1,596 Direct	-2.80%	Disposed	(price as of 2026-08-20)
March 9, 2017	AOS	M	5,140	—	—	18,410 Direct	-21.83%	Disposed	(price as of 2026-08-20)
March 9, 2017	AOS	M	2,266	—	—	23,550 Direct	-8.78%	Disposed	(price as of 2026-08-20)
March 9, 2017	AOS	S	7,406	$49.40	$365,856	1,642 Direct	-81.85%	Disposed	28.6% (price as of 2026-08-20)
March 9, 2017	AOS	M	5,140	$23.24	$119,454	9,048 Direct	+131.53%	Acquired	173.4% (price as of 2026-08-20)
March 9, 2017	AOS	M	2,266	$17.46	$39,564	3,908 Direct	+138.00%	Acquired	263.9% (price as of 2026-08-20)
Feb. 13, 2017	AOS	A	1,145	—	—	19,934 Direct	+6.09%	Acquired	(price as of 2026-08-20)
Feb. 13, 2017	AOS	A	4,410	—	—	25,816 Direct	+20.60%	Acquired	(price as of 2026-08-20)
Feb. 8, 2016	AOS	A	910	—	—	9,317 Direct	+10.82%	Acquired	(price as of 2026-08-20)
Feb. 8, 2016	AOS	A	3,650	—	—	10,703 Direct	+51.75%	Acquired	(price as of 2026-08-20)
Nov. 30, 2015	AOS	M	2,267	—	—	7,053 Direct	-24.32%	Disposed	(price as of 2026-08-20)
Nov. 30, 2015	AOS	M	1,067	—	—	9,320 Direct	-10.27%	Disposed	(price as of 2026-08-20)
Nov. 30, 2015	AOS	S	3,334	$80.69	$269,020	848 Direct	-79.72%	Disposed	57.5% (price as of 2026-08-20)
Nov. 30, 2015	AOS	M	2,267	$34.92	$79,164	4,182 Direct	+118.38%	Acquired	263.9% (price as of 2026-08-20)
Nov. 30, 2015	AOS	M	1,067	$22.98	$24,520	1,915 Direct	+125.83%	Acquired	453.0% (price as of 2026-08-20)
Feb. 9, 2015	AOS	A	935	—	—	8,352 Direct	+12.61%	Acquired	(price as of 2026-08-20)
Feb. 9, 2015	AOS	A	3,350	—	—	10,387 Direct	+47.61%	Acquired	(price as of 2026-08-20)
Dec. 3, 2014	AOS	M	2,133	—	—	7,037 Direct	-23.26%	Disposed	(price as of 2026-08-20)
Dec. 3, 2014	AOS	M	2,800	—	—	9,170 Direct	-23.39%	Disposed	(price as of 2026-08-20)
Dec. 3, 2014	AOS	S	4,933	$54.80	$270,328	848 Direct	-85.33%	Disposed	131.9% (price as of 2026-08-20)
Dec. 3, 2014	AOS	M	2,133	$22.98	$49,016	5,781 Direct	+58.47%	Acquired	453.0% (price as of 2026-08-20)
Dec. 3, 2014	AOS	M	2,800	$21.56	$60,368	3,648 Direct	+330.19%	Acquired	489.4% (price as of 2026-08-20)
Feb. 10, 2014	AOS	A	915	—	—	7,367 Direct	+14.18%	Acquired	(price as of 2026-08-20)
Feb. 10, 2014	AOS	A	2,570	—	—	11,970 Direct	+27.34%	Acquired	(price as of 2026-08-20)
Dec. 6, 2013	AOS	M	3,300	—	—	9,400 Direct	-25.98%	Disposed	(price as of 2026-08-20)
Dec. 6, 2013	AOS	S	3,300	$53.09	$175,197	848 Direct	-79.56%	Disposed	139.4% (price as of 2026-08-20)
Dec. 6, 2013	AOS	M	3,300	$13.96	$46,068	4,148 Direct	+389.15%	Acquired	810.3% (price as of 2026-08-20)
Feb. 11, 2013	AOS	A	600	—	—	3,210 Direct	+22.99%	Acquired	(price as of 2026-08-20)
Feb. 11, 2013	AOS	A	1,700	—	—	6,350 Direct	+36.56%	Acquired	(price as of 2026-08-20)
Feb. 16, 2012	AOS	M	3,300	—	—	4,650 Direct	-41.51%	Disposed	(price as of 2026-08-20)
Feb. 16, 2012	AOS	M	1,200	—	—	7,950 Direct	-13.11%	Disposed	(price as of 2026-08-20)
Feb. 16, 2012	AOS	S	300	$46.19	$13,857	424 Direct	-41.44%	Disposed	450.2% (price as of 2026-08-20)
Feb. 16, 2012	AOS	S	100	$46.18	$4,618	724 Direct	-12.14%	Disposed	450.4% (price as of 2026-08-20)
Feb. 16, 2012	AOS	S	300	$46.18	$13,854	824 Direct	-26.69%	Disposed	450.4% (price as of 2026-08-20)
Feb. 16, 2012	AOS	S	600	$46.17	$27,702	1,124 Direct	-34.80%	Disposed	450.5% (price as of 2026-08-20)
Feb. 16, 2012	AOS	S	100	$46.16	$4,616	1,724 Direct	-5.48%	Disposed	450.6% (price as of 2026-08-20)
Feb. 16, 2012	AOS	S	1,200	$46.16	$55,392	1,824 Direct	-39.68%	Disposed	450.6% (price as of 2026-08-20)
Feb. 16, 2012	AOS	S	400	$46.15	$18,460	3,024 Direct	-11.68%	Disposed	450.7% (price as of 2026-08-20)
Feb. 16, 2012	AOS	S	600	$46.15	$27,690	3,424 Direct	-14.91%	Disposed	450.7% (price as of 2026-08-20)
Feb. 16, 2012	AOS	S	100	$46.14	$4,614	4,024 Direct	-2.42%	Disposed	450.8% (price as of 2026-08-20)
Feb. 16, 2012	AOS	S	100	$46.14	$4,614	4,124 Direct	-2.37%	Disposed	450.8% (price as of 2026-08-20)
Feb. 16, 2012	AOS	S	400	$46.13	$18,452	4,224 Direct	-8.65%	Disposed	451.0% (price as of 2026-08-20)
Feb. 16, 2012	AOS	S	100	$46.12	$4,612	4,624 Direct	-2.12%	Disposed	451.1% (price as of 2026-08-20)
Feb. 16, 2012	AOS	S	100	$46.11	$4,611	4,724 Direct	-2.07%	Disposed	451.2% (price as of 2026-08-20)
Feb. 16, 2012	AOS	S	100	$46.10	$4,610	4,824 Direct	-2.03%	Disposed	451.3% (price as of 2026-08-20)
Feb. 16, 2012	AOS	M	3,300	$19.00	$62,700	4,924 Direct	+203.20%	Acquired	1237.7% (price as of 2026-08-20)
Feb. 16, 2012	AOS	M	1,200	$23.76	$28,512	1,624 Direct	+283.02%	Acquired	969.7% (price as of 2026-08-20)
Feb. 13, 2012	AOS	A	600	—	—	2,600 Direct	+30.00%	Acquired	(price as of 2026-08-20)
Feb. 13, 2012	AOS	A	1,600	—	—	9,150 Direct	+21.19%	Acquired	(price as of 2026-08-20)
Dec. 2, 2011	AOS	S	1,106	$38.81	$42,924	0 Indirect	-100.00%	Disposed	554.9% (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
March 2, 2026	MGEE	Restricted Stock Units	common stock (1,039)	—	—	1,039	Acquired
Dec. 31, 2025	MGEE	Restricted Stock Units	common stock (918)	—	—	918	Disposed
March 3, 2025	MGEE	Restricted Stock Units	Common Stock (918)	—	—	918	Acquired
March 1, 2024	MGEE	Restricted Stock Units	common stock (1,061)	—	—	1,061	Acquired
Feb. 11, 2022	AOS	Restricted Stock Units	Common Stock (935)	$71.72	—	935	Disposed
Feb. 7, 2022	AOS	Restricted Stock Units	Common Stock (840)	$74.26	—	840	Acquired
Feb. 7, 2022	AOS	Employee Stock Options (Right to Buy)	Common Stock (3,545)	$74.26	Feb. 7, 2032	3,545	Acquired
Feb. 12, 2021	AOS	Common Stock	Common Stock (930)	$60.65	—	930	Disposed
Feb. 8, 2021	AOS	Restricted Stock Units	Common Stock (975)	$60.82	—	975	Acquired
Feb. 8, 2021	AOS	Employee Stock Options (Right to Buy)	Common Stock (4,240)	$60.82	Feb. 8, 2031	4,240	Acquired
Nov. 17, 2020	AOS	Employee Stock Options (Right to Buy)	Common Stock (7,300)	$31.67	Feb. 8, 2026	7,300	Disposed
Nov. 17, 2020	AOS	Employee Stock Options (Right to Buy)	Common Stock (6,700)	$30.76	Feb. 9, 2025	6,700	Disposed
Feb. 13, 2020	AOS	Common Stock	Common Stock (1,145)	$43.96	—	1,145	Disposed
Feb. 10, 2020	AOS	Restricted Stock Units	Common Stock (1,400)	$42.39	—	1,400	Acquired
Feb. 10, 2020	AOS	Employee Stock Options (Right to Buy)	Common Stock (7,290)	$42.39	Feb. 10, 2030	7,290	Acquired
Feb. 11, 2019	AOS	Employee Stock Options (Right to Buy)	Common Stock (4,265)	$49.42	Feb. 11, 2029	4,265	Acquired
Feb. 11, 2019	AOS	Restricted Stock Units	Common Stock (935)	$49.42	—	935	Acquired
Feb. 8, 2019	AOS	Common Stock	Common Stock (1,820)	$48.72	—	1,820	Disposed
Feb. 12, 2018	AOS	Employee Stock Options (Right to Buy)	Common Stock (3,870)	$61.76	Feb. 12, 2028	3,870	Acquired
Feb. 12, 2018	AOS	Restricted Stock Units	Common Stock (930)	$61.76	—	930	Acquired
March 9, 2017	AOS	Employee Stock Options (Right to Buy)	Common Stock (5,140)	$23.24	Feb. 10, 2024	5,140	Disposed
March 9, 2017	AOS	Employee Stock Options (Right to Buy)	Common Stock (2,266)	$17.46	Feb. 11, 2023	2,266	Disposed
Feb. 13, 2017	AOS	Restricted Stock Units	Common Stock (1,145)	$50.16	—	1,145	Acquired
Feb. 13, 2017	AOS	Employee Stock Options (Right to Buy)	Common Stock (4,410)	$50.16	Feb. 13, 2027	4,410	Acquired
Feb. 8, 2016	AOS	Restricted Stock Units	Common Stock (910)	$63.34	—	910	Acquired
Feb. 8, 2016	AOS	Employee Stock Options (Right to Buy)	Common Stock (3,650)	$63.34	Feb. 8, 2026	3,650	Acquired
Nov. 30, 2015	AOS	Employee Stock Options (Right to Buy	Common Stock (2,267)	$34.92	Feb. 11, 2023	2,267	Disposed
Nov. 30, 2015	AOS	Employee Stock Options (Right to Buy)	Common Stock (1,067)	$22.98	Feb. 13, 2022	1,067	Disposed
Feb. 9, 2015	AOS	Restricted Stock Units	Common Stock (935)	$61.53	—	935	Acquired
Feb. 9, 2015	AOS	Employee Stock Options (Right to Buy)	Common Stock (3,350)	$61.53	Feb. 9, 2025	3,350	Acquired
Dec. 3, 2014	AOS	Employee Stock Options (Right to Buy	Common Stock (2,133)	$22.98	Feb. 13, 2022	2,133	Disposed
Dec. 3, 2014	AOS	Employee Stock Options (Right to Buy)	Common Stock (2,800)	$21.56	Feb. 7, 2021	2,800	Disposed
Feb. 10, 2014	AOS	Restricted Stock Units	Common Stock (915)	$46.47	—	915	Acquired
Feb. 10, 2014	AOS	Employee Stock Options (Right to Buy)	Common Stock (2,570)	$46.47	Feb. 10, 2024	2,570	Acquired
Dec. 6, 2013	AOS	Employee Stock Options (Right to Buy)	Common Stock (3,300)	$13.96	Feb. 8, 2020	3,300	Disposed
Feb. 11, 2013	AOS	Restricted Stock Units	Common Stock (600)	$69.84	—	600	Acquired
Feb. 11, 2013	AOS	Employee Stock Options (Right to Buy)	Common Stock (1,700)	$69.84	Feb. 13, 2022	1,700	Acquired
Feb. 16, 2012	AOS	Employee Stock Options (Right to Buy)	Common Stock (3,300)	$19.00	Feb. 9, 2019	3,300	Disposed
Feb. 16, 2012	AOS	Employee Stock Options (Right to Buy)	Common Stock (1,200)	$23.76	Feb. 11, 2018	1,200	Disposed
Feb. 13, 2012	AOS	Restricted Stock Units	Common Stock (600)	$45.97	—	600	Acquired
Feb. 13, 2012	AOS	Employee Stock Options (Right to Buy)	Common Stock (1,600)	$45.97	Feb. 13, 2022	1,600	Acquired

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
March 1, 2024	MGEE	Common Stock	0	Direct
Oct. 14, 2011	AOS	Common Stock	424	Direct
Oct. 14, 2011	AOS	Common Stock	—	Indirect
Oct. 14, 2011	AOS	Employee Stock Options (Right to Buy)→ Common Stock (7,550)	7,550	Direct
Oct. 14, 2011	AOS	Restricted Stock Units→ Commn Stock (2,000)	2,000	Direct