Joseph P. Keithley

Joseph P. Keithley, listed as board member, has filed trades across 4 companies (mainly through SEC (Form 4)), most often in Keithley Instruments Inc, MATERION Corp and Axcelis Technologies Inc. The record holds 310 filings, for trades running from 8 May 2002 to 14 December 2023.

The open-market side counts 142 purchases for €275k alongside 65 sales for €6.6M. Taken together, the sales exceed the purchases by €6.4M. A purchase on the market is a deliberate choice to commit personal money, which is why it draws more attention than a grant. Besides market trades, the filings include 73 share grants and 19 option exercises. In 2023 alone, the filings show no purchases and 15 sales.

The median purchase comes to €1,484.

The record was last updated on 14 December 2023 with an open-market sale (€65k) in Axcelis Technologies Inc. The most recent open-market purchase was published on 3 March 2014, 4,618 days ago. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 1 day. Section 16 rules allow two business days to file each Form 4. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.