This page lists the SEC filings reported by Penbrook Management LLC.
| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2019-02-15 | Penbrook Management LLC | DATA I/O CORP | 344,580 | 4.1% | EDGAR |
| SC 13G/A | 2019-02-12 | Penbrook Management LLC | DATA I/O CORP | 344,580 | 4.1% | EDGAR |
| SC 13G/A | 2018-02-21 | Penbrook Management LLC | DATA I/O CORP | 486,340 | 5.9% | EDGAR |
| SC 13G/A | 2017-02-13 | Penbrook Management LLC | DATA I/O CORP | 503,090 | 6.3% | EDGAR |
| SC 13G/A | 2016-02-25 | Penbrook Management LLC | DATA I/O CORP | 521,390 | 6.6% | EDGAR |
| SC 13G/A | 2015-02-03 | Penbrook Management LLC | DATA I/O CORP | 567,416 | 7.2% | EDGAR |
| SC 13G/A | 2014-03-25 | Penbrook Management LLC | DATA I/O CORP | 579,550 | 7.4% | EDGAR |
| SC 13G/A | 2013-01-17 | Penbrook Management LLC | DATA I/O CORP | 563,250 | 7.2% | EDGAR |
| SC 13G/A | 2012-02-02 | Penbrook Management LLC | DATA I/O CORP | 479,250 | 5.2% | EDGAR |
| SC 13G/A | 2011-02-03 | Penbrook Management LLC | DATA I/O CORP | 458,250 | 5.1% | EDGAR |
| SC 13G | 2010-02-08 | Penbrook Management LLC | DATA I/O CORP | 297,200 | 3.3% | EDGAR |
| SC 13G/A | 2007-01-11 | Penbrook Management LLC | TRIPOS INC | 366,412 | 3.6% | EDGAR |
| SC 13G | 2006-11-27 | Penbrook Management LLC | TRIPOS INC | 532,900 | 5.2% | EDGAR |
- Form 13F-HR
- The 13F-HR report is filed quarterly to report securities held by the filer that fall under the SEC's 13F rules.
- Form SC 13D/G
- Reported by persons and groups who own 5% or more of any class of a company's outstanding shares. If the ownership changes by 1% or more, an amendment must be filed.
- Form 3, 4, and 5
- Form 3, 4, and 5 reports are filed to report insider transactions by company officers and directors, and any beneficial owners of more than ten percent of a company's shares. Form 3 is the initial report that must be filed when a person becomes an officer, director, or beneficial owner. Form 4 reports are used to report changes in ownership, while the Form 5 report is used for reporting transactions that should have been reported earlier in a Form 4 filing.