OESX's three largest insider shareholders as of March 23, 2026 are Scott A. Green (President And Coo, 1.37Mn shares), Michael H Jenkins (Chief Executive Officer, 1.25Mn shares), Michael W Altschaefl (Director, 1.11Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Scott A. Green | President And Coo | 1,372,262 | 0 | 01 Jul, 2025 |
| Michael H Jenkins | Chief Executive Officer | 1,246,254 | 0 | 26 Feb, 2025 |
| Michael W Altschaefl | 1,111,108 | 0 | 14 Dec, 2022 | |
| Ellen B Richstone | 333,658 | 0 | 01 Jul, 2025 | |
| Anthony L. Otten | 234,412 | 0 | 01 Jul, 2025 | |
| Mark C Williamson | 157,676 | 0 | 13 Jun, 2022 | |
| Heather L Wishart-Smith | 78,198 | 0 | 01 Jul, 2025 | |
| Richard A Shapiro | 66,878 | 0 | 01 Jul, 2025 | |
| Alan B Howe | 51,808 | 0 | 13 Jun, 2022 | |
| Sally A. Washlow | Chief Executive Officer | 46,524 | 0 | 21 Nov, 2025 |
| Heather L Wishart-Smith | 0 | 16,025 | 19 Feb, 2025 | |
| Sally A. Washlow | 0 | 1,000 | 21 Feb, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 19 Nov, 2025 | Sally A. Washlow | Common Stock | A | 21,166 | $14.17 | 46,524 | D | P |
| 07 Aug, 2025 | Sally A. Washlow | Stock Options (right to buy) | A | 500,000 | $0.00 | 500,000 | D | A |
| 18 Jul, 2025 | Scott A. Green | Stock Options (right to buy) | A | 125,000 | $0.00 | 125,000 | D | A |
| 01 Jul, 2025 | Heather L Wishart-Smith | Common Stock | A | 20,000 | $0.00 | 78,198 | D | A |
| 01 Jul, 2025 | Ellen B Richstone | Common Stock | A | 20,000 | $0.00 | 333,658 | D | A |
| 01 Jul, 2025 | Anthony L. Otten | Common Stock | A | 20,000 | $0.00 | 234,412 | D | A |
| 01 Jul, 2025 | Sally A. Washlow | Common Stock | A | 200,000 | $0.00 | 253,580 | D | A |
| 01 Jul, 2025 | Scott A. Green | Common Stock | A | 150,000 | $0.00 | 1,372,262 | D | A |
| 01 Jul, 2025 | Richard A Shapiro | Common Stock | A | 20,000 | $0.00 | 66,878 | D | A |
| 25 Feb, 2025 | Michael H Jenkins | Common Stock | A | 5,682 | $0.88 | 1,246,254 | D | P |
| 21 Feb, 2025 | Ellen B Richstone | Common Stock | A | 20,000 | $0.91 | 313,658 | D | P |
| 21 Feb, 2025 | Sally A. Washlow | Common Stock | A | 1,000 | $0.92 | 49,750 | D | P |
| 19 Feb, 2025 | Ellen B Richstone | Common Stock | A | 13,000 | $0.84 | 292,784 | D | P |
| 20 Feb, 2025 | Ellen B Richstone | Common Stock | A | 874 | $0.88 | 293,658 | D | P |
| 21 Feb, 2025 | Sally A. Washlow | Common Stock | A | 1,000 | $0.91 | 1,000 | I | P |
| 18 Feb, 2025 | Anthony L. Otten | Common Stock | A | 5,000 | $0.83 | 214,412 | D | P |
| 18 Feb, 2025 | Ellen B Richstone | Common Stock | A | 13,000 | $0.84 | 279,784 | D | P |
| 14 Feb, 2025 | Heather L Wishart-Smith | Common Stock | A | 7,000 | $0.80 | 16,025 | I | P |
| 14 Feb, 2025 | Ellen B Richstone | Common Stock | A | 10,000 | $0.82 | 266,784 | D | P |
| 18 Nov, 2024 | Anthony L. Otten | Common Stock | A | 5,000 | $0.86 | 209,412 | D | P |