Mark S Wrighton
Insider
First SEC filing: Jan. 15, 2008 · Latest: Jan. 15, 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 |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 4, 2025 | GLW | G | 4,467 | · | · | 61,621 Direct | -6.76% | Disposed | (price as of 2026-10-02) |
| Feb. 12, 2025 | GLW | A | 1,507 | · | · | 48,035 Direct | +3.24% | Acquired | (price as of 2026-10-02) |
| Feb. 7, 2024 | GLW | A | 7,078 | · | · | 46,528 Direct | +17.94% | Acquired | (price as of 2026-10-02) |
| Feb. 8, 2023 | GLW | A | 6,119 | · | · | 39,450 Direct | +18.36% | Acquired | (price as of 2026-10-02) |
| Feb. 8, 2023 | GLW | A | 991 | · | · | 991 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 11, 2022 | AZTA | A | 1,922 | · | · | 111,818 Direct | +1.75% | Acquired | (price as of 2026-10-02) |
| Feb. 2, 2022 | GLW | A | 4,797 | $42.74 | $205,024 | 33,331 Direct | +16.81% | Acquired | 284.2% (price as of 2026-10-02) |
| Feb. 5, 2021 | AZTA | A | 1,760 | · | · | 109,896 Direct | +1.63% | Acquired | (price as of 2026-10-02) |
| Feb. 3, 2021 | GLW | A | 5,366 | · | · | 28,534 Direct | +23.16% | Acquired | (price as of 2026-10-02) |
| Jan. 7, 2021 | CBT | A | 622 | · | · | 47,590 Direct | +1.32% | Acquired | (price as of 2026-10-02) |
| Nov. 18, 2020 | AZTA | G | 1,450 | · | · | 108,136 Direct | -1.32% | Disposed | (price as of 2026-10-02) |
| May 15, 2020 | GLW | A | 1,722 | · | · | 1,722 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 11, 2020 | AZTA | A | 2,831 | · | · | 109,586 Direct | +2.65% | Acquired | (price as of 2026-10-02) |
| Feb. 5, 2020 | GLW | A | 6,539 | · | · | 23,168 Direct | +39.32% | Acquired | (price as of 2026-10-02) |
| Jan. 9, 2020 | CBT | A | 2,635 | · | · | 46,968 Direct | +5.94% | Acquired | (price as of 2026-10-02) |
| Nov. 7, 2019 | GLW | M | 2,345 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 7, 2019 | GLW | M | 2,345 | $18.95 | $44,438 | 66,088 Direct | +3.68% | Acquired | 766.4% (price as of 2026-10-02) |
| Feb. 8, 2019 | AZTA | A | 4,033 | · | · | 106,755 Direct | +3.93% | Acquired | (price as of 2026-10-02) |
| Feb. 6, 2019 | GLW | A | 5,182 | · | · | 16,629 Direct | +45.27% | Acquired | (price as of 2026-10-02) |
| Jan. 10, 2019 | CBT | A | 2,613 | · | · | 44,333 Direct | +6.26% | Acquired | (price as of 2026-10-02) |
| Oct. 29, 2018 | GLW | M | 4,430 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 29, 2018 | GLW | M | 4,430 | $10.75 | $47,622 | 63,743 Direct | +7.47% | Acquired | 1427.3% (price as of 2026-10-02) |
| Feb. 7, 2018 | GLW | A | 5,533 | · | · | 11,447 Direct | +93.56% | Acquired | (price as of 2026-10-02) |
| Feb. 6, 2018 | AZTA | A | 3,565 | · | · | 102,722 Direct | +3.60% | Acquired | (price as of 2026-10-02) |
| Jan. 12, 2018 | CBT | A | 1,636 | · | · | 41,720 Direct | +4.08% | Acquired | (price as of 2026-10-02) |
| Feb. 8, 2017 | AZTA | A | 4,355 | · | · | 99,157 Direct | +4.59% | Acquired | (price as of 2026-10-02) |
| Feb. 1, 2017 | GLW | A | 5,914 | · | · | 5,914 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 13, 2017 | CBT | A | 2,052 | · | · | 40,084 Direct | +5.40% | Acquired | (price as of 2026-10-02) |
| Feb. 3, 2016 | GLW | A | 8,433 | · | · | 59,313 Direct | +16.57% | Acquired | (price as of 2026-10-02) |
| Feb. 2, 2016 | AZTA | A | 8,520 | · | · | 94,802 Direct | +9.87% | Acquired | (price as of 2026-10-02) |
| Jan. 8, 2016 | CBT | A | 1,987 | · | · | 38,032 Direct | +5.51% | Acquired | (price as of 2026-10-02) |
| Feb. 10, 2015 | AZTA | A | 6,569 | · | · | 86,282 Direct | +8.24% | Acquired | (price as of 2026-10-02) |
| Feb. 4, 2015 | GLW | A | 5,974 | · | · | 50,880 Direct | +13.30% | Acquired | (price as of 2026-10-02) |
| Jan. 9, 2015 | CBT | A | 1,738 | · | · | 36,045 Direct | +5.07% | Acquired | (price as of 2026-10-02) |
| Feb. 11, 2014 | AZTA | A | 8,164 | · | · | 79,713 Direct | +11.41% | Acquired | (price as of 2026-10-02) |
| Feb. 5, 2014 | GLW | A | 7,692 | · | · | 44,906 Direct | +20.67% | Acquired | (price as of 2026-10-02) |
| Jan. 10, 2014 | CBT | A | 1,451 | · | · | 34,307 Direct | +4.42% | Acquired | (price as of 2026-10-02) |
| Feb. 6, 2013 | GLW | A | 10,263 | · | · | 37,214 Direct | +38.08% | Acquired | (price as of 2026-10-02) |
| Feb. 5, 2013 | AZTA | A | 8,640 | · | · | 71,549 Direct | +13.73% | Acquired | (price as of 2026-10-02) |
| Jan. 11, 2013 | CBT | A | 1,748 | · | · | 32,856 Direct | +5.62% | Acquired | (price as of 2026-10-02) |
| Feb. 14, 2012 | AZTA | A | 6,645 | · | · | 62,909 Direct | +11.81% | Acquired | (price as of 2026-10-02) |
| Feb. 1, 2012 | GLW | A | 8,915 | · | · | 26,951 Direct | +49.43% | Acquired | (price as of 2026-10-02) |
| Jan. 13, 2012 | CBT | A | 2,212 | · | · | 31,108 Direct | +7.66% | Acquired | (price as of 2026-10-02) |
| Feb. 10, 2011 | AZTA | A | 7,500 | · | · | 56,264 Direct | +15.38% | Acquired | (price as of 2026-10-02) |
| Feb. 2, 2011 | GLW | A | 5,046 | · | · | 18,036 Direct | +38.85% | Acquired | (price as of 2026-10-02) |
| Jan. 14, 2011 | CBT | A | 1,796 | · | · | 28,896 Direct | +6.63% | Acquired | (price as of 2026-10-02) |
| Feb. 11, 2010 | AZTA | A | 7,500 | · | · | 48,764 Direct | +18.18% | Acquired | (price as of 2026-10-02) |
| Feb. 3, 2010 | GLW | A | 2,345 | · | · | 2,345 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 3, 2010 | GLW | A | 5,013 | · | · | 12,990 Direct | +62.84% | Acquired | (price as of 2026-10-02) |
| Jan. 8, 2010 | CBT | A | 2,500 | · | · | 27,100 Direct | +10.16% | Acquired | (price as of 2026-10-02) |
| Feb. 11, 2009 | AZTA | A | 7,500 | · | · | 41,264 Direct | +22.21% | Acquired | (price as of 2026-10-02) |
| Feb. 4, 2009 | GLW | A | 4,430 | · | · | 4,430 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 4, 2009 | GLW | A | 6,977 | · | · | 7,977 Direct | +697.70% | Acquired | (price as of 2026-10-02) |
| Jan. 9, 2009 | CBT | A | 2,500 | · | · | 24,600 Direct | +11.31% | Acquired | (price as of 2026-10-02) |
| Feb. 8, 2008 | AZTA | A | 7,500 | · | · | 33,764 Direct | +28.56% | Acquired | (price as of 2026-10-02) |
| Jan. 11, 2008 | CBT | A | 2,500 | · | · | 22,100 Direct | +12.76% | Acquired | (price as of 2026-10-02) |
| Oct. 1, 2007 | 718482 | D | 6,024 | · | · | 0 Direct | -100.00% | Disposed | |
| Aug. 14, 2007 | AZTA | A | 7,500 | · | · | 26,264 Direct | +39.97% | Acquired | (price as of 2026-10-02) |
| Jan. 12, 2007 | CBT | A | 2,500 | · | · | 19,600 Direct | +14.62% | Acquired | (price as of 2026-10-02) |
| Dec. 19, 2006 | AZTA | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 19, 2006 | AZTA | D | 25,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 29, 2006 | CBT | A | 2,500 | · | · | 17,100 Direct | +17.12% | Acquired | (price as of 2026-10-02) |
| July 3, 2006 | 718482 | A | 903 | $55.32 | $49,954 | 6,024 Direct | +17.63% | Acquired | |
| April 4, 2006 | AZTA | D | 2,220 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 4, 2006 | AZTA | A | 5,000 | · | · | 18,764 Direct | +36.33% | Acquired | (price as of 2026-10-02) |
| Oct. 26, 2005 | AZTA | A | 25,000 | · | · | 29,440 Direct | +563.06% | Acquired | (price as of 2026-10-02) |
| Oct. 26, 2005 | AZTA | A | 2,220 | · | · | 4,440 Direct | +100.00% | Acquired | (price as of 2026-10-02) |
| Oct. 26, 2005 | AZTA | A | 2,220 | · | · | 2,220 Direct | · | Acquired | (price as of 2026-10-02) |
| Oct. 26, 2005 | AZTA | A | 13,764 | · | · | 13,764 Direct | · | Acquired | (price as of 2026-10-02) |
| July 12, 2005 | 718482 | A | 1,028 | $45.71 | $46,990 | 5,121 Direct | +25.12% | Acquired | |
| June 7, 2005 | CBT | P | 200 | $29.42 | $5,884 | 14,600 Direct | +1.39% | Acquired | 161.6% (price as of 2026-10-02) |
| June 7, 2005 | CBT | P | 1,800 | $29.44 | $52,992 | 14,400 Direct | +14.29% | Acquired | 161.4% (price as of 2026-10-02) |
| May 13, 2005 | CBT | J | 2,000 | · | · | 12,600 Direct | -13.70% | Disposed | (price as of 2026-10-02) |
| Jan. 14, 2005 | CBT | A | 2,000 | · | · | 14,600 Direct | +15.87% | Acquired | (price as of 2026-10-02) |
| July 2, 2004 | 718482 | A | 888 | $33.75 | $29,970 | 4,093 Direct | +27.71% | Acquired | |
| Jan. 9, 2004 | CBT | A | 2,000 | · | · | 12,600 Direct | +18.87% | Acquired | (price as of 2026-10-02) |
| July 2, 2003 | 718482 | None | · | · | · | · | · |
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. 12, 2025 | GLW | Restricted Stock Unit | Common Stock | · | · | 1,507 | Acquired |
| Feb. 7, 2024 | GLW | Restricted Stock Unit | Common Stock | · | · | 7,078 | Acquired |
| Feb. 8, 2023 | GLW | Restricted Stock Unit | Common Stock | · | · | 6,119 | Acquired |
| Feb. 8, 2023 | GLW | Restricted Stock Unit | Common Stock | · | · | 991 | Acquired |
| Feb. 2, 2022 | GLW | Restricted Stock Unit | Common Stock | · | · | 4,797 | Acquired |
| Feb. 3, 2021 | GLW | Restricted Stock Unit | Common Stock | · | · | 5,366 | Acquired |
| May 15, 2020 | GLW | Restricted Stock Unit | Common Stock | · | · | 1,722 | Acquired |
| Feb. 5, 2020 | GLW | Restricted Stock Unit | Common Stock | · | · | 6,539 | Acquired |
| Nov. 7, 2019 | GLW | Stock Options (Right to Buy) | Common Stock | $18.95 | Feb. 2, 2020 | 2,345 | Disposed |
| Feb. 6, 2019 | GLW | Restricted Stock Unit | Common Stock | · | · | 5,182 | Acquired |
| Oct. 29, 2018 | GLW | Stock Options (Right to Buy) | Common Stock | $10.75 | Feb. 3, 2019 | 4,430 | Disposed |
| Feb. 7, 2018 | GLW | Restricted Stock Unit | Common Stock | · | · | 5,533 | Acquired |
| Feb. 1, 2017 | GLW | Restricted Stock Unit | Common Stock | · | · | 5,914 | Acquired |
| Feb. 3, 2010 | GLW | Stock Options (Right to Buy) | Common Stock | $18.95 | Feb. 2, 2020 | 2,345 | Acquired |
| Feb. 4, 2009 | GLW | Stock Options (Right to Buy) | Common Stock | $10.75 | Feb. 3, 2019 | 4,430 | Acquired |
| Dec. 19, 2006 | AZTA | Stock Option (Right to Buy) | Common Stock | $13.03 | Oct. 26, 2012 | 25,000 | Acquired |
| Dec. 19, 2006 | AZTA | Stock Option (Right to Buy) | Common Stock | $12.69 | Oct. 26, 2012 | 25,000 | Disposed |
| April 4, 2006 | AZTA | Non-Qualified Option (right to buy) [F2] | Common Stock | $24.78 | April 24, 2012 | 2,220 | Disposed |
| Oct. 26, 2005 | AZTA | Stock Option (Right to Buy) | Common Stock | $12.69 | Oct. 26, 2012 | 25,000 | Acquired |
| Oct. 26, 2005 | AZTA | Stock Option (Right to Buy) | Common Stock | $7.75 | April 16, 2013 | 2,220 | Acquired |
| Oct. 26, 2005 | AZTA | Stock Option (Right to Buy) | Common Stock | $24.78 | April 24, 2012 | 2,220 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.