Mark S. Wrighton

Director, Cabot Corporation.

Companies

Corning Inc.Board member Feb 5, 2009 to Feb 14, 2025¹
Azenta Life SciencesBoard member Apr 5, 2006 to Jun 9, 2022²
Cabot CorporationBoard member Jan 13, 2004 to Jan 11, 2021³

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

Corning Inc. GLW61,621 shares⁴$8.1M at $132.00Sep 4, 2025
Azenta Life Sciences AZTA111,818 shares⁵$3.9M at $35.31Feb 11, 2022
Cabot Corporation CBT47,690 shares⁶$3.5M at $73.46Jan 7, 2021

As of each latest filing. The line shows shares held over time.

Recent filings

Sep 4, 2025Gift 4,467 shares of Corning Inc.⁴
Feb 11, 2022Granted 1,922 shares of Azenta Life Sciences⁵
Jan 7, 2021Granted 622 shares of Cabot Corporation⁶
Jan 9, 2020Granted 2,635 shares of Cabot Corporation⁷
Nov 7, 2019Exercised options 2,345 shares at $18.95 of Corning Inc.⁸
Jan 10, 2019Granted 2,613 shares of Cabot Corporation⁹
Oct 29, 2018Exercised options 4,430 shares at $10.75 of Corning Inc.¹⁰
Jan 12, 2018Granted 1,636 shares of Cabot Corporation¹¹
Jan 13, 2017Granted 2,052 shares of Cabot Corporation¹²
Feb 3, 2016Granted 8,433 shares of Corning Inc.¹³
Jan 8, 2016Granted 1,987 shares of Cabot Corporation¹⁴
Feb 4, 2015Granted 5,974 shares of Corning Inc.¹⁵
Jan 9, 2015Granted 1,738 shares of Cabot Corporation¹⁶
Feb 5, 2014Granted 7,692 shares of Corning Inc.¹⁷
Jan 10, 2014Granted 1,451 shares of Cabot Corporation¹⁸
Feb 6, 2013Granted 10,263 shares of Corning Inc.¹⁹
Jan 11, 2013Granted 1,748 shares of Cabot Corporation²⁰
Feb 1, 2012Granted 8,915 shares of Corning Inc.²¹
Jan 13, 2012Granted 2,212 shares of Cabot Corporation²²
Feb 2, 2011Granted 5,046 shares of Corning Inc.²³
Jan 14, 2011Granted 1,796 shares of Cabot Corporation²⁴
Feb 3, 2010Granted 5,013 shares of Corning Inc.²⁵
Jan 8, 2010Granted 2,500 shares of Cabot Corporation²⁶
Feb 4, 2009Granted 6,977 shares of Corning Inc.²⁷
Jan 9, 2009Granted 2,500 shares of Cabot Corporation²⁸

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARCorning Inc., Board member
2
SEC EDGARAzenta Life Sciences, Board member
3
SEC EDGARCabot Corporation, Board member
4
SEC EDGARCorning Inc. shares after the filing of Sep 4, 2025
5
SEC EDGARAzenta Life Sciences shares after the filing of Feb 11, 2022
6
SEC EDGARCabot Corporation shares after the filing of Jan 7, 2021
7
SEC EDGARForm 4 filed Jan 13, 2020
8
SEC EDGARForm 4 filed Nov 8, 2019
9
SEC EDGARForm 4 filed Jan 14, 2019
10
SEC EDGARForm 4 filed Oct 31, 2018
11
SEC EDGARForm 4 filed Jan 17, 2018
12
SEC EDGARForm 4 filed Jan 17, 2017
13
SEC EDGARForm 4 filed Feb 5, 2016
14
SEC EDGARForm 4 filed Jan 12, 2016
15
SEC EDGARForm 4 filed Feb 6, 2015
16
SEC EDGARForm 4 filed Jan 13, 2015
17
SEC EDGARForm 4 filed Feb 7, 2014
18
SEC EDGARForm 4 filed Jan 14, 2014
19
SEC EDGARForm 4 filed Feb 8, 2013
20
SEC EDGARForm 4 filed Jan 15, 2013
21
SEC EDGARForm 4 filed Feb 3, 2012
22
SEC EDGARForm 4 filed Jan 17, 2012
23
SEC EDGARForm 4 filed Feb 4, 2011
24
SEC EDGARForm 4 filed Jan 19, 2011
25
SEC EDGARForm 4 filed Feb 5, 2010
26
SEC EDGARForm 4 filed Jan 11, 2010
27
SEC EDGARForm 4 filed Feb 6, 2009
28
SEC EDGARForm 4 filed Jan 12, 2009