Michael Ross Boyce
Insider
First SEC filing: Oct. 9, 2008 · Latest: Oct. 9, 2008
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 |
|---|---|---|---|---|---|---|---|---|---|
| June 1, 2026 | AIR | A | 1,364 | · | · | 100,904 Direct | +1.37% | Acquired | (price as of 2026-10-02) |
| June 1, 2025 | AIR | A | 2,198 | · | · | 99,540 Direct | +2.26% | Acquired | (price as of 2026-10-02) |
| June 1, 2024 | AIR | A | 1,901 | · | · | 97,342 Direct | +1.99% | Acquired | (price as of 2026-10-02) |
| June 1, 2023 | AIR | A | 2,426 | · | · | 95,441 Direct | +2.61% | Acquired | (price as of 2026-10-02) |
| June 1, 2022 | AIR | A | 2,574 | · | · | 93,015 Direct | +2.85% | Acquired | (price as of 2026-10-02) |
| July 28, 2021 | AIR | P | 10,000 | $36.11 | $361,100 | 20,000 Indirect | +100.00% | Acquired | 183.9% (price as of 2026-10-02) |
| June 1, 2021 | AIR | A | 2,937 | · | · | 90,441 Direct | +3.36% | Acquired | (price as of 2026-10-02) |
| April 27, 2021 | SCL | A | 760 | · | · | 15,261 Direct | +5.24% | Acquired | (price as of 2026-10-02) |
| April 1, 2021 | SCL | A | 2 | $127.11 | $254 | 753 Direct | +0.27% | Acquired | -50.4% (price as of 2026-10-02) |
| Jan. 4, 2021 | SCL | A | 1 | $119.32 | $119 | 751 Direct | +0.13% | Acquired | -47.2% (price as of 2026-10-02) |
| Oct. 1, 2020 | SCL | A | 2 | $109.00 | $218 | 750 Direct | +0.27% | Acquired | -42.2% (price as of 2026-10-02) |
| July 1, 2020 | SCL | A | 2 | $97.10 | $194 | 748 Direct | +0.27% | Acquired | -35.1% (price as of 2026-10-02) |
| June 1, 2020 | AIR | A | 5,976 | · | · | 87,504 Direct | +7.33% | Acquired | (price as of 2026-10-02) |
| April 21, 2020 | SCL | A | 1,103 | · | · | 14,501 Direct | +8.23% | Acquired | (price as of 2026-10-02) |
| April 1, 2020 | SCL | A | 3 | $88.46 | $265 | 746 Direct | +0.40% | Acquired | -28.8% (price as of 2026-10-02) |
| Jan. 2, 2020 | SCL | A | 2 | $102.44 | $205 | 743 Direct | +0.27% | Acquired | -38.5% (price as of 2026-10-02) |
| Oct. 1, 2019 | SCL | A | 2 | $97.06 | $194 | 741 Direct | +0.27% | Acquired | -35.1% (price as of 2026-10-02) |
| July 1, 2019 | SCL | A | 2 | $91.91 | $184 | 739 Direct | +0.27% | Acquired | -31.5% (price as of 2026-10-02) |
| June 3, 2019 | AIR | A | 3,922 | · | · | 81,528 Direct | +5.05% | Acquired | (price as of 2026-10-02) |
| April 30, 2019 | SCL | A | 1,087 | · | · | 13,398 Direct | +8.83% | Acquired | (price as of 2026-10-02) |
| April 1, 2019 | SCL | A | 2 | $87.52 | $175 | 737 Direct | +0.27% | Acquired | -28.0% (price as of 2026-10-02) |
| Jan. 2, 2019 | SCL | A | 2 | $74.00 | $148 | 735 Direct | +0.27% | Acquired | -14.9% (price as of 2026-10-02) |
| Oct. 1, 2018 | SCL | A | 2 | $87.01 | $174 | 733 Direct | +0.27% | Acquired | -27.6% (price as of 2026-10-02) |
| July 2, 2018 | SCL | A | 2 | $78.01 | $156 | 731 Direct | +0.27% | Acquired | -19.2% (price as of 2026-10-02) |
| June 1, 2018 | AIR | A | 2,648 | · | · | 77,606 Direct | +3.53% | Acquired | (price as of 2026-10-02) |
| April 24, 2018 | SCL | A | 1,157 | · | · | 12,311 Direct | +10.37% | Acquired | (price as of 2026-10-02) |
| April 2, 2018 | SCL | A | 2 | $83.18 | $166 | 729 Direct | +0.28% | Acquired | -24.3% (price as of 2026-10-02) |
| Jan. 3, 2018 | SCL | A | 2 | $78.97 | $158 | 727 Direct | +0.28% | Acquired | -20.2% (price as of 2026-10-02) |
| Oct. 2, 2017 | ECVT | A | 21,067 | · | · | 21,067 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 29, 2017 | SCL | A | 2 | $83.66 | $167 | 725 Direct | +0.28% | Acquired | -24.7% (price as of 2026-10-02) |
| Aug. 25, 2017 | SCL | M | 872 | $34.33 | $29,936 | 12,026 Direct | +7.82% | Acquired | 83.5% (price as of 2026-10-02) |
| Aug. 25, 2017 | SCL | S | 872 | $77.00 | $67,144 | 11,154 Direct | -7.25% | Disposed | -18.2% (price as of 2026-10-02) |
| Aug. 25, 2017 | SCL | M | 872 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 3, 2017 | SCL | A | 2 | $87.14 | $174 | 723 Direct | +0.28% | Acquired | -27.7% (price as of 2026-10-02) |
| June 1, 2017 | AIR | A | 5,000 | · | · | 74,958 Direct | +7.15% | Acquired | (price as of 2026-10-02) |
| April 25, 2017 | SCL | A | 1,044 | · | · | 11,154 Direct | +10.33% | Acquired | (price as of 2026-10-02) |
| April 3, 2017 | SCL | A | 1 | $78.81 | $79 | 721 Direct | +0.14% | Acquired | -20.1% (price as of 2026-10-02) |
| Jan. 3, 2017 | SCL | A | 2 | $81.48 | $163 | 720 Direct | +0.28% | Acquired | -22.7% (price as of 2026-10-02) |
| Oct. 3, 2016 | SCL | A | 2 | $72.66 | $145 | 718 Direct | +0.28% | Acquired | -13.3% (price as of 2026-10-02) |
| July 1, 2016 | SCL | A | 2 | $59.53 | $119 | 716 Direct | +0.28% | Acquired | 5.8% (price as of 2026-10-02) |
| June 1, 2016 | AIR | A | 5,000 | · | · | 69,958 Direct | +7.70% | Acquired | (price as of 2026-10-02) |
| April 26, 2016 | SCL | A | 1,290 | · | · | 10,110 Direct | +14.63% | Acquired | (price as of 2026-10-02) |
| April 1, 2016 | SCL | A | 3 | $55.29 | $166 | 714 Direct | +0.42% | Acquired | 13.9% (price as of 2026-10-02) |
| Jan. 4, 2016 | SCL | A | 2 | $49.69 | $99 | 711 Direct | +0.28% | Acquired | 26.8% (price as of 2026-10-02) |
| Oct. 1, 2015 | SCL | A | 4 | $41.61 | $166 | 709 Direct | +0.57% | Acquired | 51.4% (price as of 2026-10-02) |
| July 1, 2015 | SCL | A | 2 | $54.11 | $108 | 705 Direct | +0.28% | Acquired | 16.4% (price as of 2026-10-02) |
| June 1, 2015 | AIR | A | 5,000 | · | · | 64,938 Direct | +8.34% | Acquired | (price as of 2026-10-02) |
| April 28, 2015 | SCL | A | 1,632 | · | · | 8,820 Direct | +22.70% | Acquired | (price as of 2026-10-02) |
| April 1, 2015 | SCL | A | 3 | $41.66 | $125 | 703 Direct | +0.43% | Acquired | 51.2% (price as of 2026-10-02) |
| Jan. 2, 2015 | SCL | A | 3 | $40.08 | $120 | 700 Direct | +0.43% | Acquired | 57.2% (price as of 2026-10-02) |
| Oct. 1, 2014 | SCL | A | 3 | $44.38 | $133 | 697 Direct | +0.43% | Acquired | 42.0% (price as of 2026-10-02) |
| July 1, 2014 | SCL | A | 2 | $52.86 | $106 | 694 Direct | +0.29% | Acquired | 19.2% (price as of 2026-10-02) |
| June 2, 2014 | AIR | A | 5,000 | · | · | 59,938 Direct | +9.10% | Acquired | (price as of 2026-10-02) |
| April 29, 2014 | SCL | A | 1,288 | · | · | 7,188 Direct | +21.83% | Acquired | (price as of 2026-10-02) |
| April 1, 2014 | SCL | A | 2 | $64.56 | $129 | 692 Direct | +0.29% | Acquired | -2.4% (price as of 2026-10-02) |
| Jan. 2, 2014 | SCL | A | 2 | $65.63 | $131 | 690 Direct | +0.29% | Acquired | -4.0% (price as of 2026-10-02) |
| Oct. 1, 2013 | SCL | A | 1 | $57.73 | $58 | 688 Direct | +0.15% | Acquired | 9.1% (price as of 2026-10-02) |
| July 1, 2013 | SCL | A | 3 | $55.61 | $167 | 687 Direct | +0.44% | Acquired | 13.3% (price as of 2026-10-02) |
| June 1, 2013 | AIR | A | 5,000 | · | · | 54,938 Direct | +10.01% | Acquired | (price as of 2026-10-02) |
| May 16, 2013 | SCL | P | 2,500 | $53.57 | $133,925 | 5,900 Direct | +73.53% | Acquired | 17.6% (price as of 2026-10-02) |
| April 30, 2013 | SCL | A | 1,286 | · | · | 3,400 Direct | +60.83% | Acquired | (price as of 2026-10-02) |
| April 1, 2013 | SCL | A | 1 | $63.10 | $63 | 684 Direct | +0.15% | Acquired | -0.2% (price as of 2026-10-02) |
| Jan. 2, 2013 | SCL | A | 3 | $55.54 | $167 | 683 Direct | +0.44% | Acquired | 13.4% (price as of 2026-10-02) |
| Oct. 1, 2012 | SCL | A | 1 | $96.12 | $96 | 340 Direct | +0.29% | Acquired | 31.1% (price as of 2026-10-02) |
| July 2, 2012 | SCL | A | 1 | $94.18 | $94 | 339 Direct | +0.30% | Acquired | 33.8% (price as of 2026-10-02) |
| June 26, 2012 | AIR | P | 7,500 | $11.82 | $88,650 | 49,938 Direct | +17.67% | Acquired | 767.3% (price as of 2026-10-02) |
| June 1, 2012 | AIR | A | 5,000 | · | · | 42,438 Direct | +13.36% | Acquired | (price as of 2026-10-02) |
| April 24, 2012 | SCL | A | 635 | · | · | 1,057 Direct | +150.47% | Acquired | (price as of 2026-10-02) |
| April 2, 2012 | SCL | A | 1 | $87.80 | $88 | 338 Direct | +0.30% | Acquired | 43.5% (price as of 2026-10-02) |
| Jan. 3, 2012 | SCL | A | 1 | $80.16 | $80 | 337 Direct | +0.30% | Acquired | 57.2% (price as of 2026-10-02) |
| Oct. 3, 2011 | SCL | A | 1 | $67.18 | $67 | 336 Direct | +0.30% | Acquired | 87.6% (price as of 2026-10-02) |
| July 1, 2011 | SCL | A | 1 | $70.90 | $71 | 335 Direct | +0.30% | Acquired | 77.7% (price as of 2026-10-02) |
| June 1, 2011 | AIR | A | 5,000 | · | · | 37,309 Direct | +15.48% | Acquired | (price as of 2026-10-02) |
| May 3, 2011 | SCL | A | 422 | · | · | 422 Direct | · | Acquired | (price as of 2026-10-02) |
| April 1, 2011 | SCL | A | 1 | $72.50 | $72 | 334 Direct | +0.30% | Acquired | 73.8% (price as of 2026-10-02) |
| Feb. 7, 2011 | SCL | A | 333 | $75.02 | $24,982 | 333 Direct | · | Acquired | 68.0% (price as of 2026-10-02) |
| July 13, 2010 | AIR | A | 4,000 | · | · | 32,300 Direct | +14.13% | Acquired | (price as of 2026-10-02) |
| July 13, 2010 | AIR | A | 4,500 | · | · | 32,800 Direct | +15.90% | Acquired | (price as of 2026-10-02) |
| April 20, 2010 | SCL | A | 436 | $68.66 | $29,936 | 436 Direct | · | Acquired | 83.5% (price as of 2026-10-02) |
| July 14, 2009 | AIR | A | 4,000 | · | · | 28,300 Direct | +16.46% | Acquired | (price as of 2026-10-02) |
| Oct. 9, 2008 | AIR | P | 10,000 | $11.77 | $117,700 | 24,300 Direct | +69.93% | Acquired | 770.9% (price as of 2026-10-02) |
| July 29, 2008 | AIR | P | 10,000 | $17.16 | $171,600 | 10,000 Indirect | · | Acquired | 497.4% (price as of 2026-10-02) |
| July 29, 2008 | AIR | P | 10,000 | $17.16 | $171,600 | 10,000 Indirect | · | Acquired | 497.4% (price as of 2026-10-02) |
| July 29, 2008 | AIR | P | 4,300 | $16.95 | $72,885 | 13,800 Direct | +45.26% | Acquired | 504.8% (price as of 2026-10-02) |
| July 11, 2008 | AIR | A | 2,500 | · | · | 10,000 Direct | +33.33% | Acquired | (price as of 2026-10-02) |
| Oct. 17, 2007 | AIR | S | 2,000 | $32.57 | $65,140 | 11,800 Direct | -14.49% | Disposed | 214.7% (price as of 2026-10-02) |
| July 11, 2007 | AIR | A | 2,500 | · | · | 9,500 Direct | +35.71% | Acquired | (price as of 2026-10-02) |
| July 10, 2006 | AIR | A | 2,500 | · | · | 7,000 Direct | +55.56% | Acquired | (price as of 2026-10-02) |
| Jan. 13, 2006 | AIR | P | 2,000 | $25.23 | $50,460 | 2,000 Direct | · | Acquired | 306.3% (price as of 2026-10-02) |
| Aug. 2, 2005 | AIR | A | 2,500 | · | · | 2,500 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 |
|---|---|---|---|---|---|---|---|
| April 1, 2021 | SCL | Stock Awards | Common Stock | · | · | 2 | Acquired |
| Jan. 4, 2021 | SCL | Stock Awards | Common Stock | · | · | 1 | Acquired |
| Oct. 1, 2020 | SCL | Stock Awards | Common Stock | · | · | 2 | Acquired |
| July 1, 2020 | SCL | Stock Awards | Common Stock | · | · | 2 | Acquired |
| April 1, 2020 | SCL | Stock Awards | Common Stock | · | · | 3 | Acquired |
| Jan. 2, 2020 | SCL | Stock Awards | Common Stock | · | · | 2 | Acquired |
| Oct. 1, 2019 | SCL | Stock Awards | Common Stock | · | · | 2 | Acquired |
| July 1, 2019 | SCL | Stock Awards | Common Stock | · | · | 2 | Acquired |
| April 1, 2019 | SCL | Stock Awards | Common Stock | · | · | 2 | Acquired |
| Jan. 2, 2019 | SCL | Stock Awards | Common Stock | · | · | 2 | Acquired |
| Oct. 1, 2018 | SCL | Stock Awards | Common Stock | · | · | 2 | Acquired |
| July 2, 2018 | SCL | Stock Awards | Common Stock | · | · | 2 | Acquired |
| April 2, 2018 | SCL | Stock Awards | Common Stock | · | · | 2 | Acquired |
| Jan. 3, 2018 | SCL | Stock Awards | Common Stock | · | · | 2 | Acquired |
| Sept. 29, 2017 | SCL | Stock Awards | Common Stock | · | · | 2 | Acquired |
| Aug. 25, 2017 | SCL | Stock Option (Right to Buy) | Common Stock | $34.33 | April 19, 2018 | 872 | Disposed |
| July 3, 2017 | SCL | Stock Awards | Common Stock | · | · | 2 | Acquired |
| April 3, 2017 | SCL | Stock Awards | Common Stock | · | · | 1 | Acquired |
| Jan. 3, 2017 | SCL | Stock Awards | Common Stock | · | · | 2 | Acquired |
| Oct. 3, 2016 | SCL | Stock Awards | Common Stock | · | · | 2 | Acquired |
| July 1, 2016 | SCL | Stock Awards | Common Stock | · | · | 2 | Acquired |
| April 1, 2016 | SCL | Stock Awards | Common Stock | · | · | 3 | Acquired |
| Jan. 4, 2016 | SCL | Stock Awards | Common Stock | · | · | 2 | Acquired |
| Oct. 1, 2015 | SCL | Stock Awards | Common Stock | · | · | 4 | Acquired |
| July 1, 2015 | SCL | Stock Awards | Common Stock | · | · | 2 | Acquired |
| April 1, 2015 | SCL | Stock Awards | Common Stock | · | · | 3 | Acquired |
| Jan. 2, 2015 | SCL | Stock Awards | Common Stock | · | · | 3 | Acquired |
| Oct. 1, 2014 | SCL | Stock Awards | Common Stock | · | · | 3 | Acquired |
| July 1, 2014 | SCL | Stock Awards | Common Stock | · | · | 2 | Acquired |
| April 1, 2014 | SCL | Stock Awards | Common Stock | · | · | 2 | Acquired |
| Jan. 2, 2014 | SCL | Stock Awards | Common Stock | · | · | 2 | Acquired |
| Oct. 1, 2013 | SCL | Stock Awards | Common Stock | · | · | 1 | Acquired |
| July 1, 2013 | SCL | Stock Awards | Common Stock | · | · | 3 | Acquired |
| April 1, 2013 | SCL | Stock Awards | Common Stock | · | · | 1 | Acquired |
| Jan. 2, 2013 | SCL | Stock Awards | Common Stock | · | · | 3 | Acquired |
| Oct. 1, 2012 | SCL | Stock Awards | Common Stock | · | · | 1 | Acquired |
| July 2, 2012 | SCL | Stock Awards | Common Stock | · | · | 1 | Acquired |
| April 2, 2012 | SCL | Stock Awards | Common Stock | · | · | 1 | Acquired |
| Jan. 3, 2012 | SCL | Stock Awards | Common Stock | · | · | 1 | Acquired |
| Oct. 3, 2011 | SCL | Stock Awards | Common Stock | · | · | 1 | Acquired |
| July 1, 2011 | SCL | Stock Awards | Common Stock | · | · | 1 | Acquired |
| April 1, 2011 | SCL | Stock Awards | Common Stock | · | · | 1 | Acquired |
| Feb. 7, 2011 | SCL | Stock Awards | Common Stock | · | · | 333 | Acquired |
| April 20, 2010 | SCL | Stock Option | Common Stock | $68.66 | April 19, 2018 | 436 | 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.