P Joseph Keithley

Affiliations

  • Director at Axcelis Technologies Inc (ACLS), 2021-05-17
  • Director at Nordson Corp (NDSN), 2020-11-03
  • Director at Materion Corp (MTRN), 2018-03-09
  • Director, Chairman, Ceo at Keithley Instruments Inc (KEI), 2010-12-09
Insider Trading: Purchases See All
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
ACLS $1.97 25,000 Director 40,000 2013-08-15 Filing
ACLS $1.01 5,000 Director 15,000 2012-05-24 Filing
ACLS $1.70 10,000 Director 10,000 2012-02-10 Filing
KEI $5.50 312 Large Shareholder, Officer, Director 139,152 2010-02-05 Filing
KEI $5.50 700 Large Shareholder, Officer, Director 138,840 2010-02-04 Filing
Insider Trading: Sales See All
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
ACLS $40.21 10,000 Director 30,189 2021-02-16 Filing
ACLS $26.75 4,000 Director 21,439 2018-03-14 Filing
MTRN $50.60 8,000 Director 11,757 2018-02-20 Filing
NDSN $149.89 1,518 47,676 2018-01-04 Filing
ACLS $24.55 10,000 Director 25,439 2017-06-07 Filing