Data spanning the past 90 days through February 19, 2026 reveals that ESS Tech's three principal insider shareholders consist of Director Group Corp Softbank (2.40Mn shares), TenPercentOwner Energy Ventures, Llc Breakthrough (1.24Mn shares), President Craig E Evans (561.45K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Group Corp Softbank | 2,397,033 | 12 Nov, 2021 | |
| Energy Ventures, Llc Breakthrough | 1,237,310 | 12 Nov, 2021 | |
| Craig E Evans | President | 561,454 | 23 Feb, 2023 |
| S2 Sponsor, L.L.C. Acon | 406,687 | 13 Oct, 2021 | |
| Michael R Niggli | 128,714 | 15 Oct, 2025 | |
| Amir Moftakhar | Chief Financial Officer | 37,259 | 20 Oct, 2022 |
| Jigish Dhirajlal Trivedi | Coo | 275,000 | 05 Sep, 2025 |
| Eric P. Dresselhuys | Chief Executive Officer | 180,580 | 18 Nov, 2024 |
| Anthony Rabb | Chief Financial Officer | 109,392 | 22 May, 2025 |
| Kelly F. Goodman | Interim Ceo | 80,622 | 21 Nov, 2025 |
| Daryl C Wilson | 5,057 | 03 Jun, 2022 | |
| Claudia Gast | 3,980 | 03 Jun, 2022 | |
| Jeff Bodner | Chief Accounting Officer | 3,660 | 09 Feb, 2022 |
| Janie Goddard | 3,334 | 13 Oct, 2021 | |
| Sarah Kirshbaum Levy | 3,334 | 13 Oct, 2021 | |
| Ryan D Shadrick-Wilson | 3,334 | 13 Oct, 2021 | |
| Raffi Garabedian | 39,672 | 15 Oct, 2025 | |
| Alexi Wellman | 38,886 | 15 Oct, 2025 | |
| Kyle Teamey | 38,740 | 15 Oct, 2025 | |
| Sandeep Nijhawan | 29,050 | 15 Oct, 2025 | |
| Rich Hossfeld | 27,859 | 15 Oct, 2025 | |
| Kate Eileen Suhadolnik | Interim Cfo | 27,655 | 21 Nov, 2025 |
| Harry Quarls | 13,513 | 15 Oct, 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 |
|---|---|---|---|---|---|---|---|---|
| 20 Nov, 2025 | Kelly F. Goodman | Common Stock | D | 4,513 | $2.40 | 80,622 | D | F |
| 20 Nov, 2025 | Kate Eileen Suhadolnik | Common Stock | D | 1,299 | $2.40 | 27,655 | D | F |
| 13 Oct, 2025 | Michael R Niggli | Common Stock | A | 13,513 | $0.00 | 90,825 | D | A |
| 13 Oct, 2025 | Sandeep Nijhawan | Common Stock | A | 13,513 | $0.00 | 29,050 | D | A |
| 13 Oct, 2025 | Raffi Garabedian | Common Stock | A | 13,513 | $0.00 | 39,672 | D | A |
| 13 Oct, 2025 | Harry Quarls | Common Stock | A | 13,513 | $0.00 | 13,513 | D | A |
| 13 Oct, 2025 | Alexi Wellman | Common Stock | A | 13,513 | $0.00 | 38,886 | D | A |
| 13 Oct, 2025 | Kyle Teamey | Common Stock | A | 13,513 | $0.00 | 38,740 | D | A |
| 13 Oct, 2025 | Rich Hossfeld | Common Stock | A | 13,513 | $0.00 | 27,859 | D | A |
| 20 Aug, 2025 | Kelly F. Goodman | Common Stock | D | 4,326 | $1.61 | 85,135 | D | F |
| 20 Aug, 2025 | Kate Eileen Suhadolnik | Common Stock | D | 1,232 | $1.61 | 28,954 | D | F |
| 18 Aug, 2025 | Jigish Dhirajlal Trivedi | - | - | 275,000 | D | |||
| 18 Aug, 2025 | Jigish Dhirajlal Trivedi | Common Stock | A | 275,000 | $0.00 | 275,000 | D | A |
| 20 May, 2025 | Anthony Rabb | Common Stock | D | 2,741 | $1.96 | 109,392 | D | F |
| 20 May, 2025 | Anthony Rabb | - | - | 109,392 | D | |||
| 20 May, 2025 | Kelly F. Goodman | Common Stock | D | 2,164 | $1.96 | 89,461 | D | F |
| 13 Apr, 2025 | Kelly F. Goodman | Common Stock | A | 36,930 | $0.00 | 91,625 | D | A |
| 20 Feb, 2025 | Kelly F. Goodman | Common Stock | D | 1,489 | $4.81 | 54,695 | D | F |
| 10 Feb, 2025 | Kelly F. Goodman | Common Stock | A | 10,000 | $0.00 | 56,184 | D | A |
| 18 Nov, 2024 | Eric P. Dresselhuys | Common Stock | A | 1,000 | $5.23 | 180,580 | D | P |