Investor Penbrook Management LLC
13D/G Filings

This page shows a list of all the recent 13D/G filings made by Penbrook Management LLC . Schedule 13D is commonly referred to as a “beneficial ownership report.” The term "beneficial owner" is defined under SEC rules. It includes any person who directly or indirectly shares voting power or investment power (the power to sell the security).

When a person or group of persons acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities, they are required to file a Schedule 13D within ten days after the purchase. Click the link icon to see the full transaction history.

Date Form Target Prev
Shares
Current
Shares
Change
(Percent)
Ownership
(Percent)
Change
(Percent)
2019-02-15 13G/A DAIO / Data I/O Corporation 344,580 344,580
2019-02-12 13G/A DAIO / Data I/O Corporation 486,340 344,580
2018-02-21 13G/A DAIO / Data I/O Corporation 503,090 486,340
2017-02-13 13G/A DAIO / Data I/O Corporation 521,390 503,090
2016-02-25 13G/A DAIO / Data I/O Corporation 521,390
2015-02-03 13G/A DAIO / Data I/O Corporation 567,416
2014-03-25 13G/A DAIO / Data I/O Corporation 579,550
2013-01-17 13G/A DAIO / Data I/O Corporation 563,250
2012-02-02 13G/A DAIO / Data I/O Corporation 661,250