Wei Ding

CIK 1566652 · View on SEC EDGAR ↗

Insider

First SEC filing: Feb. 18, 2020 · Latest: Feb. 18, 2020

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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
Feb. 20, 2018 AOS S 11,773 $65.29 $768,659 5,853 Direct -66.79% Disposed -4.4% (price as of 2026-08-19)
Feb. 27, 2017 AOS S 21,404 $51.10 $1,093,744 3,039 Direct -87.57% Disposed 22.2% (price as of 2026-08-19)
Dec. 12, 2016 AOS S 576 $65.80 $37,901 4,649 Direct -11.02% Disposed -5.1% (price as of 2026-08-19)
May 2, 2016 AOS S 4,649 $78.19 $363,505 0 Direct -100.00% Disposed 59.7% (price as of 2026-08-19)
May 2, 2016 AOS S 3,533 $78.13 $276,033 4,649 Direct -43.18% Disposed 59.8% (price as of 2026-08-19)
Dec. 11, 2015 AOS S 1,375 $77.58 $106,672 3,625 Direct -27.50% Disposed 61.0% (price as of 2026-08-19)
March 5, 2015 AOS S 1,569 $63.32 $99,349 0 Direct -100.00% Disposed 97.2% (price as of 2026-08-19)
March 5, 2015 AOS S 6,667 $63.30 $422,021 1,569 Direct -80.95% Disposed 97.3% (price as of 2026-08-19)
Feb. 18, 2015 AOS S 605 $62.17 $37,613 1,569 Direct -27.83% Disposed 100.9% (price as of 2026-08-19)
March 3, 2014 AOS S 2,533 $49.07 $124,294 574 Direct -81.53% Disposed 154.5% (price as of 2026-08-19)
Feb. 10, 2014 AOS S 426 $46.72 $19,903 574 Direct -42.60% Disposed 167.3% (price as of 2026-08-19)
Oct. 24, 2013 AOS S 1,102 $50.24 $55,364 0 Direct -100.00% Disposed 148.5% (price as of 2026-08-19)
Oct. 24, 2013 AOS S 4,567 $50.24 $229,446 1,102 Direct -80.56% Disposed 148.5% (price as of 2026-08-19)
Feb. 11, 2013 AOS S 260 $69.60 $18,096 551 Direct -32.06% Disposed 258.8% (price as of 2026-08-19)
Feb. 11, 2013 AOS S 260 $69.60 $18,096 340 Direct -43.33% Disposed 258.8% (price as of 2026-08-19)

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. 13, 2020 AOS Restricted Stock Units Common Stock (2,895) $43.96 — 2,895 Disposed
Feb. 11, 2019 AOS Employee Stock Options (Right to Buy) Common Stock (15,390) $49.42 Feb. 11, 2029 15,390 Acquired
Feb. 11, 2019 AOS Restricted Stock Units Common Stock (3,370) $49.42 — 3,370 Acquired
Feb. 8, 2019 AOS Restricted Stock Units Common Stock (4,580) $48.72 — 4,580 Disposed
Feb. 20, 2018 AOS Employee Stock Options (Right to Buy) Common Stock (6,143) $31.67 Feb. 8, 2026 6,143 Disposed
Feb. 20, 2018 AOS Employee Stock Options (Right to Buy) Common Stock (5,630) $30.76 Feb. 9, 2025 5,630 Disposed
Feb. 12, 2018 AOS Employee Stock Options (Right to Buy) Common Stock (10,660) $61.76 Feb. 12, 2028 10,660 Acquired
Feb. 12, 2018 AOS Restricted Stock Units Common Stock (2,565) $61.76 — 2,565 Acquired
Feb. 9, 2018 AOS Restricted Stock Units Common Stock (4,710) $60.11 — 4,710 Disposed
Feb. 27, 2017 AOS Employee Stock Options (Right to Buy) Common Stock (6,144) $31.67 Feb. 8, 2026 6,144 Disposed
Feb. 27, 2017 AOS Employee Stock Options (Right to Buy) Common Stock (11,260) $30.76 Feb. 9, 2025 11,260 Disposed
Feb. 27, 2017 AOS Employee Stock Options (Right to Buy) Common Stock (4,000) $23.24 Feb. 10, 2024 4,000 Disposed
Feb. 13, 2017 AOS Restricted Stock Units Common Stock (2,895) $50.16 — 2,895 Acquired
Feb. 13, 2017 AOS Employee Stock Options (Right to Buy) Common Stock (11,135) $50.16 Feb. 13, 2027 11,135 Acquired
Feb. 10, 2017 AOS Restricted Stock Units Common Stock (4,300) $49.86 — 4,300 Disposed
May 2, 2016 AOS Employee Stock Options (Right to Buy) Common Stock (2,000) $46.47 Feb. 10, 2024 2,000 Disposed
May 2, 2016 AOS Employee Stock Options (Right to Buy) Common Stock (1,533) $34.92 Feb. 11, 2023 1,533 Disposed
Feb. 11, 2016 AOS Restricted Stock Units Common Stock (1,600) $63.34 — 1,600 Disposed
Feb. 8, 2016 AOS Restricted Stock Units Common Stock (2,290) $63.34 — 2,290 Acquired
Feb. 8, 2016 AOS Employee Stock Options (Right to Buy) Common Stock (9,215) $63.34 Feb. 8, 2026 9,215 Acquired
March 5, 2015 AOS Employee Stock Options (Right to Buy) Common Stock (2,000) $46.47 Feb. 10, 2024 2,000 Disposed
March 5, 2015 AOS Employee Stock Options (Right to Buy) Common Stock (3,067) $34.92 Feb. 11, 2023 3,067 Disposed
March 5, 2015 AOS Employee Stock Options (Right to Buy) Common Stock (1,600) $22.98 Feb. 13, 2022 1,600 Disposed
Feb. 13, 2015 AOS Restricted Stock Units Common Stock (1,600) $62.78 — 1,600 Acquired
Feb. 10, 2015 AOS Restricted Stock Units Common Stock (5,000) $77.88 — 5,000 Disposed
Feb. 9, 2015 AOS Restricted Stock Units Common Stock (2,355) $61.53 — 2,355 Acquired
Feb. 9, 2015 AOS Employee Stock Options (Right to Buy) Common Stock (8,445) $61.53 Feb. 9, 2025 8,445 Acquired
March 3, 2014 AOS Employee Stock Options (Right to Buy) Common Stock (1,600) $22.98 Feb. 13, 2022 1,600 Disposed
Feb. 10, 2014 AOS Restricted Stock Units Common Stock (2,150) $46.47 — 2,150 Acquired
Feb. 10, 2014 AOS Employee Stock Options (Right to Buy) Common Stock (6,000) $46.47 Feb. 10, 2024 6,000 Acquired
Feb. 7, 2014 AOS Restricted Stock Units Common Stock (1,000) $46.34 — 1,000 Acquired
Oct. 24, 2013 AOS Employee Stock Options (Right to Buy) Common Stock (1,600) $22.98 Feb. 13, 2022 1,600 Disposed
Oct. 24, 2013 AOS Employee Stock Options (Right to Buy) Common Stock (1,867) $21.56 Feb. 7, 2021 1,867 Disposed
Oct. 24, 2013 AOS Employee Stock Options (Right to Buy) Common Stock (1,100) $13.96 Feb. 8, 2020 1,100 Disposed
March 3, 2013 AOS Employee Stock Options (Right to Buy) Common Stock (933) $21.56 Feb. 7, 2021 933 Disposed
Feb. 11, 2013 AOS Restricted Stock Units Common Stock (800) $69.84 — 800 Acquired
Feb. 11, 2013 AOS Employee Stock Options (Right to Buy) Common Stock (2,300) $69.84 Feb. 11, 2023 2,300 Acquired
Feb. 8, 2013 AOS Restricted Stock Units Common Stock (600) — — 600 Acquired

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

Initial ownership (Form 3) 4 holdings

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

Date Ticker Security Shares Ownership
March 25, 2013 AOS Common Stock 211 Direct
Jan. 17, 2013 AOS Restricted Stock Units→ Common Stock (4,400) 4,400 Direct
Jan. 10, 2013 AOS Restricted Stock Units→ Common Stock (1,900) 1,900 Direct
Jan. 10, 2013 AOS Employee Stock Options (Right to Buy)→ Common Stock (4,350) 4,350 Direct