Donald A. McCunniff

Sr. VP-Human Resources, Armstrong World Industries.

Companies

Martin Marietta MaterialsSVP - Human Resources Feb 1, 2012 to now¹
Armstrong World IndustriesSr. VP-Human Resources Oct 11, 2006 to Sep 1, 2009²

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

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

Mar 1, 2026Granted 2,960 shares of Martin Marietta Materials³
Feb 23, 2026Shares withheld for tax 192 shares at $683.60 of Martin Marietta Materials⁵
Feb 20, 2026Granted 1,277 shares of Martin Marietta Materials⁶
Dec 16, 2025Shares withheld for tax 50 shares at $629.49 of Martin Marietta Materials⁷
Mar 5, 2025Sold 1,332 shares at $475.00 of Martin Marietta Materials⁸
Mar 5, 2025Exercised options 1,332 shares at $154.58 of Martin Marietta Materials⁸
Feb 21, 2025Granted 1,543 shares of Martin Marietta Materials⁹
Aug 31, 2009Returned to company 27,137 shares of Armstrong World Industries⁴
Feb 23, 2009Granted 8,737 shares of Armstrong World Industries¹⁰
Oct 2, 2008Shares withheld for tax 2,823 shares at $28.85 of Armstrong World Industries¹¹
Oct 2, 2008Shares withheld for tax 3,743 shares at $28.85 of Armstrong World Industries¹²
Oct 31, 2006Granted 27,600 shares of Armstrong World Industries¹³

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