| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2018-02-13 | Stonepine Capital Management, LLC | CombiMatrix Corp | 0 | 0.0% | EDGAR |
| SC 13G | 2018-02-13 | BARD ASSOCIATES INC | CombiMatrix Corp | 0 | 0.0% | EDGAR |
| SC 13G | 2017-08-22 | MMCAP International Inc. SPC | CombiMatrix Corp | 161,469 | 5.5% | EDGAR |
| SC 13G | 2017-08-09 | Stonepine Capital Management, LLC | CombiMatrix Corp | 290,000 | 10.0% | EDGAR |
| SC 13G | 2017-03-03 | Lipka Michael Andrew | CombiMatrix Corp | 10 | 6.1% | EDGAR |
| SC 13G | 2017-02-14 | BARD ASSOCIATES INC | CombiMatrix Corp | 151,825 | 5.9% | EDGAR |
| SC 13G/A | 2016-10-19 | HAMILTON EDWARD ARTHUR | CombiMatrix Corp | 109,053 | 4.6% | EDGAR |
| SC 13G/A | 2016-08-10 | BARD ASSOCIATES INC | CombiMatrix Corp | 164,995 | 6.7% | EDGAR |
| SC 13G/A | 2016-06-17 | PERKINS CAPITAL MANAGEMENT INC | CombiMatrix Corp | 35,851 | 4.0% | EDGAR |
| SC 13G/A | 2016-05-13 | ACUTA CAPITAL PARTNERS, LLC | CombiMatrix Corp | 47,431 | 3.6% | EDGAR |
| SC 13G/A | 2016-05-09 | ACUTA CAPITAL PARTNERS, LLC | CombiMatrix Corp | 711,470 | 5.6% | EDGAR |
| SC 13G | 2016-04-07 | BARD ASSOCIATES INC | CombiMatrix Corp | 160,156 | 15.7% | EDGAR |
| SC 13G/A | 2016-02-16 | GREAT POINT PARTNERS LLC | CombiMatrix Corp | 0 | 0.0% | EDGAR |
| SC 13G | 2016-02-12 | ACUTA CAPITAL PARTNERS, LLC | CombiMatrix Corp | 711,470 | 5.6% | EDGAR |
| SC 13G/A | 2016-02-01 | PERKINS CAPITAL MANAGEMENT INC | CombiMatrix Corp | 1,036,507 | 7.8% | EDGAR |
| SC 13G/A | 2016-01-26 | HAMILTON EDWARD ARTHUR | CombiMatrix Corp | 1,728,457 | 13.6% | EDGAR |
| SC 13G | 2015-04-24 | HAMILTON EDWARD ARTHUR | CombiMatrix Corp | 1,728,457 | 13.6% | EDGAR |
| SC 13G/A | 2015-02-17 | GREAT POINT PARTNERS LLC | CombiMatrix Corp | 970,874 | 8.1% | EDGAR |
| SC 13G/A | 2015-02-17 | ALPHA CAPITAL ANSTALT | CombiMatrix Corp | 1,259,263 | 10.0% | EDGAR |
| SC 13G | 2015-02-09 | Longwood Capital Partners LLC | CombiMatrix Corp | 853,278 | 7.7% | EDGAR |