P Joseph Keithley

Affiliations

  • Director at Axcelis Technologies Inc (ACLS), 2023-12-14
  • 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 $140.50 500 Director 3,157 2023-12-14 Filing
ACLS $130.43 500 Director 4,157 2023-11-10 Filing
ACLS $181.75 500 Director 4,157 2023-06-12 Filing
ACLS $173.00 1,000 Director 4,657 2023-06-07 Filing
ACLS $163.50 1,000 Director 5,657 2023-06-06 Filing