| SC 13D/A | 2023-05-18 | LOEB JAN H | ACORN ENERGY, INC. | 8,358,465 | 20.9% | EDGAR |
| SC 13D/A | 2020-12-09 | LOEB JAN H | ACORN ENERGY, INC. | 7,925,514 | 19.9% | EDGAR |
| SC 13D | 2019-07-08 | Leap Tide Capital Acorn LLC | ACORN ENERGY, INC. | 4,372,017 | 11.0% | EDGAR |
| SC 13D/A | 2019-07-02 | LOEB JAN H | ACORN ENERGY, INC. | 7,445,521 | 18.8% | EDGAR |
| SC 13D | 2018-12-27 | LOEB JAN H | ACORN ENERGY, INC. | 1,574,870 | 5.3% | EDGAR |
| SC 13G/A | 2014-07-02 | COLUMBIA WANGER ASSET MANAGEMENT LLC | ACORN ENERGY, INC. | 10 | - | EDGAR |
| SC 13D/A | 2014-05-14 | Verition Fund Management LLC | ACORN ENERGY, INC. | 1,072,425 | 4.8% | EDGAR |
| SC 13D/A | 2014-04-15 | Verition Fund Management LLC | ACORN ENERGY, INC. | 1,964,545 | 8.8% | EDGAR |
| SC 13G/A | 2014-02-06 | BLAIR WILLIAM & CO/IL | ACORN ENERGY, INC. | 3,600 | 0.0% | EDGAR |
| SC 13G/A | 2014-02-06 | COLUMBIA WANGER ASSET MANAGEMENT LLC | ACORN ENERGY, INC. | 1,489,962 | 6.7% | EDGAR |
| SC 13D | 2013-08-30 | Verition Fund Management LLC | ACORN ENERGY, INC. | 2,228,413 | 12.3% | EDGAR |
| SC 13G/A | 2013-02-14 | COLUMBIA WANGER ASSET MANAGEMENT LLC | ACORN ENERGY, INC. | 2,406,121 | 13.3% | EDGAR |
| SC 13G | 2013-02-05 | BLAIR WILLIAM & CO/IL | ACORN ENERGY, INC. | 1,256,379 | 7.0% | EDGAR |
| SC 13G/A | 2012-08-15 | Verition Fund Management LLC | ACORN ENERGY, INC. | 2,028,413 | 11.3% | EDGAR |
| SC 13G/A | 2012-06-07 | Verition Fund Management LLC | ACORN ENERGY, INC. | 1,585,406 | 8.9% | EDGAR |
| SC 13G/A | 2012-02-14 | ARTIS CAPITAL MANAGEMENT, L.P. | ACORN ENERGY, INC. | 0 | 0.0% | EDGAR |
| SC 13G/A | 2012-02-10 | COLUMBIA WANGER ASSET MANAGEMENT LLC | ACORN ENERGY, INC. | 2,455,000 | 14.0% | EDGAR |
| SC 13G | 2012-01-06 | Verition Fund Management LLC | ACORN ENERGY, INC. | 888,541 | 5.1% | EDGAR |
| SC 13G | 2011-09-08 | COLUMBIA WANGER ASSET MANAGEMENT LLC | ACORN ENERGY, INC. | 1,975,000 | 11.2% | EDGAR |
| SC 13G/A | 2011-08-09 | MARXE AUSTIN W & GREENHOUSE DAVID M | ACORN ENERGY, INC. | 725,836 | 4.2% | EDGAR |