Wei Ding
Insider
First SEC filing: Feb. 18, 2020 · Latest: Feb. 18, 2020
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 13, 2020 | AOS | M | 2,895 | · | · | 5,935 Direct | -32.79% | Disposed | (price as of 2026-10-02) |
| Feb. 13, 2020 | AOS | F | 1,140 | $43.96 | $50,114 | 10,528 Direct | -9.77% | Disposed | 29.1% (price as of 2026-10-02) |
| Feb. 13, 2020 | AOS | A | 2,895 | $43.96 | $127,264 | 11,668 Direct | +33.00% | Acquired | 29.1% (price as of 2026-10-02) |
| Feb. 11, 2019 | AOS | A | 15,390 | · | · | 43,328 Direct | +55.09% | Acquired | (price as of 2026-10-02) |
| Feb. 11, 2019 | AOS | A | 3,370 | · | · | 8,830 Direct | +61.72% | Acquired | (price as of 2026-10-02) |
| Feb. 8, 2019 | AOS | M | 4,580 | · | · | 5,460 Direct | -45.62% | Disposed | (price as of 2026-10-02) |
| Feb. 8, 2019 | AOS | F | 1,882 | $48.72 | $91,691 | 8,623 Direct | -17.92% | Disposed | 16.5% (price as of 2026-10-02) |
| Feb. 8, 2019 | AOS | A | 4,580 | $48.72 | $223,138 | 10,433 Direct | +78.25% | Acquired | 16.5% (price as of 2026-10-02) |
| Feb. 20, 2018 | AOS | M | 6,143 | · | · | 27,938 Direct | -18.02% | Disposed | (price as of 2026-10-02) |
| Feb. 20, 2018 | AOS | M | 5,630 | · | · | 34,081 Direct | -14.18% | Disposed | (price as of 2026-10-02) |
| Feb. 20, 2018 | AOS | S | 11,773 | $65.29 | $768,659 | 5,853 Direct | -66.79% | Disposed | -13.1% (price as of 2026-10-02) |
| Feb. 20, 2018 | AOS | M | 6,143 | $31.67 | $194,549 | 17,626 Direct | +53.50% | Acquired | 79.2% (price as of 2026-10-02) |
| Feb. 20, 2018 | AOS | M | 5,630 | $30.76 | $173,179 | 11,483 Direct | +96.19% | Acquired | 84.5% (price as of 2026-10-02) |
| Feb. 12, 2018 | AOS | A | 10,660 | · | · | 39,711 Direct | +36.69% | Acquired | (price as of 2026-10-02) |
| Feb. 12, 2018 | AOS | A | 2,565 | · | · | 10,040 Direct | +34.31% | Acquired | (price as of 2026-10-02) |
| Feb. 9, 2018 | AOS | M | 4,710 | · | · | 7,475 Direct | -38.65% | Disposed | (price as of 2026-10-02) |
| Feb. 9, 2018 | AOS | F | 1,918 | $60.11 | $115,291 | 5,853 Direct | -24.68% | Disposed | -5.6% (price as of 2026-10-02) |
| Feb. 9, 2018 | AOS | M | 4,710 | $60.11 | $283,118 | 7,771 Direct | +153.87% | Acquired | -5.6% (price as of 2026-10-02) |
| Feb. 27, 2017 | AOS | M | 6,144 | · | · | 29,051 Direct | -17.46% | Disposed | (price as of 2026-10-02) |
| Feb. 27, 2017 | AOS | M | 11,260 | · | · | 35,195 Direct | -24.24% | Disposed | (price as of 2026-10-02) |
| Feb. 27, 2017 | AOS | M | 4,000 | · | · | 46,455 Direct | -7.93% | Disposed | (price as of 2026-10-02) |
| Feb. 27, 2017 | AOS | S | 21,404 | $51.10 | $1,093,744 | 3,039 Direct | -87.57% | Disposed | 11.1% (price as of 2026-10-02) |
| Feb. 27, 2017 | AOS | M | 6,144 | $31.67 | $194,580 | 24,443 Direct | +33.58% | Acquired | 79.2% (price as of 2026-10-02) |
| Feb. 27, 2017 | AOS | M | 11,260 | $30.76 | $346,358 | 18,299 Direct | +159.97% | Acquired | 84.5% (price as of 2026-10-02) |
| Feb. 27, 2017 | AOS | M | 4,000 | $23.24 | $92,960 | 7,039 Direct | -36.24% | Disposed | 144.2% (price as of 2026-10-02) |
| Feb. 13, 2017 | AOS | A | 2,895 | · | · | 12,185 Direct | +31.16% | Acquired | (price as of 2026-10-02) |
| Feb. 13, 2017 | AOS | A | 11,135 | · | · | 50,455 Direct | +28.32% | Acquired | (price as of 2026-10-02) |
| Feb. 10, 2017 | AOS | M | 4,300 | · | · | 9,290 Direct | -31.64% | Disposed | (price as of 2026-10-02) |
| Feb. 10, 2017 | AOS | F | 1,261 | $49.86 | $62,873 | 3,039 Direct | -29.33% | Disposed | 13.8% (price as of 2026-10-02) |
| Feb. 10, 2017 | AOS | M | 4,300 | $49.86 | $214,398 | 4,300 Direct | · | Acquired | 13.8% (price as of 2026-10-02) |
| Dec. 12, 2016 | AOS | S | 576 | $65.80 | $37,901 | 4,649 Direct | -11.02% | Disposed | -13.8% (price as of 2026-10-02) |
| Dec. 11, 2016 | AOS | M | 1,600 | $63.34 | $101,344 | 5,225 Direct | +44.14% | Acquired | -10.4% (price as of 2026-10-02) |
| May 2, 2016 | AOS | M | 2,000 | · | · | 19,660 Direct | -9.23% | Disposed | (price as of 2026-10-02) |
| May 2, 2016 | AOS | M | 1,533 | · | · | 21,660 Direct | -6.61% | Disposed | (price as of 2026-10-02) |
| May 2, 2016 | AOS | S | 4,649 | $78.19 | $363,505 | 0 Direct | -100.00% | Disposed | 45.2% (price as of 2026-10-02) |
| May 2, 2016 | AOS | S | 3,533 | $78.13 | $276,033 | 4,649 Direct | -43.18% | Disposed | 45.3% (price as of 2026-10-02) |
| May 2, 2016 | AOS | M | 2,000 | $46.47 | $92,940 | 8,182 Direct | +32.35% | Acquired | 144.2% (price as of 2026-10-02) |
| May 2, 2016 | AOS | M | 1,533 | $34.92 | $53,532 | 6,182 Direct | +32.97% | Acquired | 225.0% (price as of 2026-10-02) |
| Feb. 11, 2016 | AOS | M | 1,600 | · | · | 6,795 Direct | -19.06% | Disposed | (price as of 2026-10-02) |
| Feb. 8, 2016 | AOS | A | 2,290 | · | · | 8,395 Direct | +37.51% | Acquired | (price as of 2026-10-02) |
| Feb. 8, 2016 | AOS | A | 9,215 | · | · | 23,193 Direct | +65.93% | Acquired | (price as of 2026-10-02) |
| Dec. 11, 2015 | AOS | S | 1,375 | $77.58 | $106,672 | 3,625 Direct | -27.50% | Disposed | 46.3% (price as of 2026-10-02) |
| Dec. 10, 2015 | AOS | M | 5,000 | $77.88 | $389,400 | 5,000 Direct | · | Acquired | 45.7% (price as of 2026-10-02) |
| March 5, 2015 | AOS | M | 2,000 | · | · | 13,978 Direct | -12.52% | Disposed | (price as of 2026-10-02) |
| March 5, 2015 | AOS | M | 3,067 | · | · | 15,978 Direct | -16.10% | Disposed | (price as of 2026-10-02) |
| March 5, 2015 | AOS | M | 1,600 | · | · | 19,045 Direct | -7.75% | Disposed | (price as of 2026-10-02) |
| March 5, 2015 | AOS | S | 1,569 | $63.32 | $99,349 | 0 Direct | -100.00% | Disposed | 79.2% (price as of 2026-10-02) |
| March 5, 2015 | AOS | S | 6,667 | $63.30 | $422,021 | 1,569 Direct | -80.95% | Disposed | 79.3% (price as of 2026-10-02) |
| March 5, 2015 | AOS | M | 2,000 | $46.47 | $92,940 | 8,236 Direct | +32.07% | Acquired | 144.2% (price as of 2026-10-02) |
| March 5, 2015 | AOS | M | 3,067 | $34.92 | $107,100 | 6,236 Direct | +96.78% | Acquired | 225.0% (price as of 2026-10-02) |
| March 5, 2015 | AOS | M | 1,600 | $22.98 | $36,768 | 3,169 Direct | +101.98% | Acquired | 393.9% (price as of 2026-10-02) |
| Feb. 18, 2015 | AOS | S | 605 | $62.17 | $37,613 | 1,569 Direct | -27.83% | Disposed | 82.6% (price as of 2026-10-02) |
| Feb. 13, 2015 | AOS | M | 1,600 | · | · | 11,105 Direct | +16.83% | Acquired | (price as of 2026-10-02) |
| Feb. 13, 2015 | AOS | M | 1,600 | $62.78 | $100,448 | 2,174 Direct | +278.75% | Acquired | 80.8% (price as of 2026-10-02) |
| Feb. 10, 2015 | AOS | M | 5,000 | · | · | 6,105 Direct | -45.02% | Disposed | (price as of 2026-10-02) |
| Feb. 9, 2015 | AOS | A | 2,355 | · | · | 12,705 Direct | +22.75% | Acquired | (price as of 2026-10-02) |
| Feb. 9, 2015 | AOS | A | 8,445 | · | · | 20,645 Direct | +69.22% | Acquired | (price as of 2026-10-02) |
| March 3, 2014 | AOS | M | 1,600 | · | · | 12,200 Direct | -11.59% | Disposed | (price as of 2026-10-02) |
| March 3, 2014 | AOS | S | 2,533 | $49.07 | $124,294 | 574 Direct | -81.53% | Disposed | 131.3% (price as of 2026-10-02) |
| March 3, 2014 | AOS | M | 1,600 | $22.98 | $36,768 | 3,107 Direct | -33.99% | Disposed | 393.9% (price as of 2026-10-02) |
| March 3, 2014 | AOS | M | 933 | $21.56 | $20,115 | 1,507 Direct | +162.54% | Acquired | 426.4% (price as of 2026-10-02) |
| Feb. 10, 2014 | AOS | A | 2,150 | · | · | 10,350 Direct | +26.22% | Acquired | (price as of 2026-10-02) |
| Feb. 10, 2014 | AOS | A | 6,000 | · | · | 14,733 Direct | +68.70% | Acquired | (price as of 2026-10-02) |
| Feb. 10, 2014 | AOS | S | 426 | $46.72 | $19,903 | 574 Direct | -42.60% | Disposed | 142.9% (price as of 2026-10-02) |
| Feb. 7, 2014 | AOS | M | 1,000 | · | · | 8,200 Direct | +13.89% | Acquired | (price as of 2026-10-02) |
| Feb. 7, 2014 | AOS | M | 1,000 | $46.34 | $46,340 | 1,000 Direct | · | Acquired | 144.9% (price as of 2026-10-02) |
| Oct. 24, 2013 | AOS | M | 1,600 | · | · | 8,733 Direct | -15.48% | Disposed | (price as of 2026-10-02) |
| Oct. 24, 2013 | AOS | M | 1,867 | · | · | 10,333 Direct | -15.30% | Disposed | (price as of 2026-10-02) |
| Oct. 24, 2013 | AOS | M | 1,100 | · | · | 12,200 Direct | -8.27% | Disposed | (price as of 2026-10-02) |
| Oct. 24, 2013 | AOS | S | 1,102 | $50.24 | $55,364 | 0 Direct | -100.00% | Disposed | 125.9% (price as of 2026-10-02) |
| Oct. 24, 2013 | AOS | S | 4,567 | $50.24 | $229,446 | 1,102 Direct | -80.56% | Disposed | 125.9% (price as of 2026-10-02) |
| Oct. 24, 2013 | AOS | M | 1,600 | $22.98 | $36,768 | 5,669 Direct | +39.32% | Acquired | 393.9% (price as of 2026-10-02) |
| Oct. 24, 2013 | AOS | M | 1,867 | $21.56 | $40,253 | 4,069 Direct | +84.79% | Acquired | 426.4% (price as of 2026-10-02) |
| Oct. 24, 2013 | AOS | M | 1,100 | $13.96 | $15,356 | 2,202 Direct | +99.82% | Acquired | 713.0% (price as of 2026-10-02) |
| March 3, 2013 | AOS | M | 933 | · | · | 13,800 Direct | -6.33% | Disposed | (price as of 2026-10-02) |
| Feb. 11, 2013 | AOS | S | 260 | $69.60 | $18,096 | 551 Direct | -32.06% | Disposed | 226.1% (price as of 2026-10-02) |
| Feb. 11, 2013 | AOS | A | 800 | · | · | 4,600 Direct | +21.05% | Acquired | (price as of 2026-10-02) |
| Feb. 11, 2013 | AOS | A | 2,300 | · | · | 6,650 Direct | +52.87% | Acquired | (price as of 2026-10-02) |
| Feb. 11, 2013 | AOS | S | 260 | $69.60 | $18,096 | 340 Direct | -43.33% | Disposed | 226.1% (price as of 2026-10-02) |
| Feb. 8, 2013 | AOS | M | 600 | · | · | 811 Direct | +284.36% | Acquired | (price as of 2026-10-02) |
| Feb. 8, 2013 | AOS | M | 600 | · | · | 3,800 Direct | +18.75% | Acquired | (price as of 2026-10-02) |
| Feb. 8, 2013 | AOS | M | 600 | · | · | 600 Direct | · | Acquired | (price as of 2026-10-02) |
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 | $43.96 | · | 2,895 | Disposed |
| Feb. 11, 2019 | AOS | Employee Stock Options (Right to Buy) | Common Stock | $49.42 | Feb. 11, 2029 | 15,390 | Acquired |
| Feb. 11, 2019 | AOS | Restricted Stock Units | Common Stock | $49.42 | · | 3,370 | Acquired |
| Feb. 8, 2019 | AOS | Restricted Stock Units | Common Stock | $48.72 | · | 4,580 | Disposed |
| Feb. 20, 2018 | AOS | Employee Stock Options (Right to Buy) | Common Stock | $31.67 | Feb. 8, 2026 | 6,143 | Disposed |
| Feb. 20, 2018 | AOS | Employee Stock Options (Right to Buy) | Common Stock | $30.76 | Feb. 9, 2025 | 5,630 | Disposed |
| Feb. 12, 2018 | AOS | Employee Stock Options (Right to Buy) | Common Stock | $61.76 | Feb. 12, 2028 | 10,660 | Acquired |
| Feb. 12, 2018 | AOS | Restricted Stock Units | Common Stock | $61.76 | · | 2,565 | Acquired |
| Feb. 9, 2018 | AOS | Restricted Stock Units | Common Stock | $60.11 | · | 4,710 | Disposed |
| Feb. 27, 2017 | AOS | Employee Stock Options (Right to Buy) | Common Stock | $31.67 | Feb. 8, 2026 | 6,144 | Disposed |
| Feb. 27, 2017 | AOS | Employee Stock Options (Right to Buy) | Common Stock | $30.76 | Feb. 9, 2025 | 11,260 | Disposed |
| Feb. 27, 2017 | AOS | Employee Stock Options (Right to Buy) | Common Stock | $23.24 | Feb. 10, 2024 | 4,000 | Disposed |
| Feb. 13, 2017 | AOS | Restricted Stock Units | Common Stock | $50.16 | · | 2,895 | Acquired |
| Feb. 13, 2017 | AOS | Employee Stock Options (Right to Buy) | Common Stock | $50.16 | Feb. 13, 2027 | 11,135 | Acquired |
| Feb. 10, 2017 | AOS | Restricted Stock Units | Common Stock | $49.86 | · | 4,300 | Disposed |
| May 2, 2016 | AOS | Employee Stock Options (Right to Buy) | Common Stock | $46.47 | Feb. 10, 2024 | 2,000 | Disposed |
| May 2, 2016 | AOS | Employee Stock Options (Right to Buy) | Common Stock | $34.92 | Feb. 11, 2023 | 1,533 | Disposed |
| Feb. 11, 2016 | AOS | Restricted Stock Units | Common Stock | $63.34 | · | 1,600 | Disposed |
| Feb. 8, 2016 | AOS | Restricted Stock Units | Common Stock | $63.34 | · | 2,290 | Acquired |
| Feb. 8, 2016 | AOS | Employee Stock Options (Right to Buy) | Common Stock | $63.34 | Feb. 8, 2026 | 9,215 | Acquired |
| March 5, 2015 | AOS | Employee Stock Options (Right to Buy) | Common Stock | $46.47 | Feb. 10, 2024 | 2,000 | Disposed |
| March 5, 2015 | AOS | Employee Stock Options (Right to Buy) | Common Stock | $34.92 | Feb. 11, 2023 | 3,067 | Disposed |
| March 5, 2015 | AOS | Employee Stock Options (Right to Buy) | Common Stock | $22.98 | Feb. 13, 2022 | 1,600 | Disposed |
| Feb. 13, 2015 | AOS | Restricted Stock Units | Common Stock | $62.78 | · | 1,600 | Acquired |
| Feb. 10, 2015 | AOS | Restricted Stock Units | Common Stock | $77.88 | · | 5,000 | Disposed |
| Feb. 9, 2015 | AOS | Restricted Stock Units | Common Stock | $61.53 | · | 2,355 | Acquired |
| Feb. 9, 2015 | AOS | Employee Stock Options (Right to Buy) | Common Stock | $61.53 | Feb. 9, 2025 | 8,445 | Acquired |
| March 3, 2014 | AOS | Employee Stock Options (Right to Buy) | Common Stock | $22.98 | Feb. 13, 2022 | 1,600 | Disposed |
| Feb. 10, 2014 | AOS | Restricted Stock Units | Common Stock | $46.47 | · | 2,150 | Acquired |
| Feb. 10, 2014 | AOS | Employee Stock Options (Right to Buy) | Common Stock | $46.47 | Feb. 10, 2024 | 6,000 | Acquired |
| Feb. 7, 2014 | AOS | Restricted Stock Units | Common Stock | $46.34 | · | 1,000 | Acquired |
| Oct. 24, 2013 | AOS | Employee Stock Options (Right to Buy) | Common Stock | $22.98 | Feb. 13, 2022 | 1,600 | Disposed |
| Oct. 24, 2013 | AOS | Employee Stock Options (Right to Buy) | Common Stock | $21.56 | Feb. 7, 2021 | 1,867 | Disposed |
| Oct. 24, 2013 | AOS | Employee Stock Options (Right to Buy) | Common Stock | $13.96 | Feb. 8, 2020 | 1,100 | Disposed |
| March 3, 2013 | AOS | Employee Stock Options (Right to Buy) | Common Stock | $21.56 | Feb. 7, 2021 | 933 | Disposed |
| Feb. 11, 2013 | AOS | Restricted Stock Units | Common Stock | $69.84 | · | 800 | Acquired |
| Feb. 11, 2013 | AOS | Employee Stock Options (Right to Buy) | Common Stock | $69.84 | Feb. 11, 2023 | 2,300 | Acquired |
| Feb. 8, 2013 | AOS | Restricted Stock Units | Common Stock | · | · | 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.