EOSE's three largest insider shareholders as of May 23, 2026 are Riley Financial, Inc. B. (TenPercentOwner, 5.37Mn shares), Russell Monoki Stidolph (Director, 4.47Mn shares), Russell Monoki Stidolph (Director, 2.65Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| John J Tedone | Chief Accounting Officer | 25,487 | 0 | 16 Feb, 2023 |
| Riley Financial, Inc. B. | - | 0 | 5,369,778 | 19 Nov, 2021 |
| Jeffrey S Bornstein | - | 115,759 | 0 | 08 Dec, 2025 |
| Nathan Kroeker | Cco And Interim Cfo | 662,512 | 0 | 26 Jan, 2026 |
| Alexander Dimitrief | - | 235,221 | 0 | 04 Mar, 2026 |
| Randall B Gonzales | Chief Financial Officer | 188,094 | 0 | 13 Jan, 2023 |
| Joseph Nigro | - | 35,385 | 0 | 16 May, 2025 |
| Jeff Mcneil | - | 99,179 | 0 | 08 Dec, 2025 |
| Audrey Ann Zibelman | - | 104,897 | 0 | 02 May, 2024 |
| Russell Monoki Stidolph | - | 0 | 4,469,292 | 05 Aug, 2021 |
| Joe Mastrangelo | Chief Executive Officer | 1,487,126 | 0 | 05 Mar, 2026 |
| Sagar Kurada | Chief Financial Officer | 66,939 | 0 | 05 Jan, 2022 |
| Claude Demby | - | 141,708 | 0 | 16 May, 2025 |
| Melissa Berube | General Counsel | 171,836 | 0 | 30 Jan, 2024 |
| Sumeet Puri | Chief Accounting Officer | 164,290 | 0 | 08 Sep, 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 |
|---|---|---|---|---|---|---|---|---|
| 04 Mar, 2026 | Joe Mastrangelo | Common Stock | A | 23,900 | $6.58 | 1,487,126 | D | P |
| 04 Mar, 2026 | Joe Mastrangelo | Common Stock | A | 23,900 | $6.58 | 1,487,126 | D | P |
| 02 Mar, 2026 | Alexander Dimitrief | Common Stock | A | 15,000 | $6.04 | 235,221 | D | P |
| 02 Mar, 2026 | Joe Mastrangelo | Common Stock | A | 60,000 | $5.75 | 1,463,226 | D | P |
| 02 Mar, 2026 | Joe Mastrangelo | Common Stock | A | 60,000 | $5.75 | 1,463,226 | D | P |
| 23 Jan, 2026 | Nathan Kroeker | Common Stock | A | 100,000 | $0.00 | 712,512 | D | M |
| 26 Jan, 2026 | Nathan Kroeker | Common Stock | D | 50,000 | $16.04 | 662,512 | D | S |
| 23 Jan, 2026 | Nathan Kroeker | Restricted Stock Units | D | 100,000 | $0.00 | 0 | D | M |
| 22 Dec, 2025 | Joseph Nigro | Restricted Stock Units | A | 3,565 | $0.00 | 3,565 | D | A |
| 05 Dec, 2025 | Jeffrey S Bornstein | Common Stock | D | 32,328 | $15.05 | 115,759 | D | S |
| 05 Dec, 2025 | Russell Monoki Stidolph | Common Stock | D | 500,000 | $14.99 | 2,153,272 | I | S |
| 04 Dec, 2025 | Jeff Mcneil | Common Stock | D | 16,000 | $0.00 | 99,179 | D | G |
| 05 Dec, 2025 | Russell Monoki Stidolph | Common Stock | D | 500,000 | $14.99 | 2,153,272 | I | S |
| 05 Dec, 2025 | Alexander Dimitrief | Common Stock | A | 18,473 | $14.43 | 237,925 | D | M |
| 04 Dec, 2025 | Jeff Mcneil | Common Stock | D | 16,000 | $0.00 | 99,179 | D | G |
| 05 Dec, 2025 | Alexander Dimitrief | Common Stock | D | 17,704 | $15.03 | 220,221 | D | F |
| 08 Dec, 2025 | Russell Monoki Stidolph | Common Stock | D | 29,999 | $15.36 | 2,123,273 | I | S |
| 08 Dec, 2025 | Russell Monoki Stidolph | Common Stock | D | 29,999 | $15.36 | 2,123,273 | I | S |
| 04 Dec, 2025 | Jeffrey S Bornstein | Common Stock | D | 8,000 | $15.75 | 0 | I | S |
| 05 Dec, 2025 | Russell Monoki Stidolph | Common Stock | D | 75,000 | $0.00 | 2,048,273 | I | J |