Insider at

04

Insider transactions

05
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
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
May 10, 2021 AOS S 2,300 $72.55 $166,865 1,209 Direct -65.55% Disposed -21.6% (price as of 2026-10-06)
Nov. 17, 2020 AOS S 14,000 $56.39 $789,460 2,871 Direct -82.98% Disposed 0.9% (price as of 2026-10-06)
March 9, 2017 AOS S 7,406 $49.40 $365,856 1,642 Direct -81.85% Disposed 15.2% (price as of 2026-10-06)
Nov. 30, 2015 AOS S 3,334 $80.69 $269,020 848 Direct -79.72% Disposed 41.0% (price as of 2026-10-06)
Dec. 3, 2014 AOS S 4,933 $54.80 $270,328 848 Direct -85.33% Disposed 107.7% (price as of 2026-10-06)
Dec. 6, 2013 AOS S 3,300 $53.09 $175,197 848 Direct -79.56% Disposed 114.4% (price as of 2026-10-06)
Feb. 16, 2012 AOS S 300 $46.19 $13,857 424 Direct -41.44% Disposed 392.7% (price as of 2026-10-06)
Feb. 16, 2012 AOS S 100 $46.18 $4,618 724 Direct -12.14% Disposed 392.9% (price as of 2026-10-06)
Feb. 16, 2012 AOS S 300 $46.18 $13,854 824 Direct -26.69% Disposed 392.9% (price as of 2026-10-06)
Feb. 16, 2012 AOS S 600 $46.17 $27,702 1,124 Direct -34.80% Disposed 393.0% (price as of 2026-10-06)
Feb. 16, 2012 AOS S 100 $46.16 $4,616 1,724 Direct -5.48% Disposed 393.1% (price as of 2026-10-06)
Feb. 16, 2012 AOS S 1,200 $46.16 $55,392 1,824 Direct -39.68% Disposed 393.1% (price as of 2026-10-06)
Feb. 16, 2012 AOS S 400 $46.15 $18,460 3,024 Direct -11.68% Disposed 393.2% (price as of 2026-10-06)
Feb. 16, 2012 AOS S 600 $46.15 $27,690 3,424 Direct -14.91% Disposed 393.2% (price as of 2026-10-06)
Feb. 16, 2012 AOS S 100 $46.14 $4,614 4,024 Direct -2.42% Disposed 393.3% (price as of 2026-10-06)
Feb. 16, 2012 AOS S 100 $46.14 $4,614 4,124 Direct -2.37% Disposed 393.3% (price as of 2026-10-06)
Feb. 16, 2012 AOS S 400 $46.13 $18,452 4,224 Direct -8.65% Disposed 393.4% (price as of 2026-10-06)
Feb. 16, 2012 AOS S 100 $46.12 $4,612 4,624 Direct -2.12% Disposed 393.5% (price as of 2026-10-06)
Feb. 16, 2012 AOS S 100 $46.11 $4,611 4,724 Direct -2.07% Disposed 393.6% (price as of 2026-10-06)
Feb. 16, 2012 AOS S 100 $46.10 $4,610 4,824 Direct -2.03% Disposed 393.7% (price as of 2026-10-06)
Dec. 2, 2011 AOS S 1,106 $38.81 $42,924 0 Indirect -100.00% Disposed 486.4% (price as of 2026-10-06)

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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/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

07

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

DateTickerSecuritySharesOwnership
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