EOSE's three largest insider shareholders as of September 09, 2026 are Russell Monoki Stidolph (Director, 4.47Mn shares), Russell Monoki Stidolph (Director, 2.65Mn shares), Russell Monoki Stidolph (Director, 2.41Mn shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Riley Financial, Inc. B. | TenPercentOwner | 0 | 5,369,778 | 5,369,778 | 39.1% | 19 Nov, 2021 |
| 2 | Russell Monoki Stidolph | Director | 364,355 | 2,048,273 | 2,412,628 | 17.6% | 08 Dec, 2025 |
| 3 | Joe Mastrangelo | Chief Executive Officer | 1,947,586 | 0 | 1,947,586 | 14.2% | 28 Jul, 2026 |
| 4 | Daniel Shribman | Other | 1,061,670 | 0 | 1,061,670 | 7.7% | 10 Nov, 2022 |
| 5 | Nathan Kroeker | Chief Commercial Officer | 887,527 | 0 | 887,527 | 6.5% | 28 Jul, 2026 |
| 6 | Michael W Silberman | Chief Legal Officer | 298,277 | 0 | 298,277 | 2.2% | 30 Jun, 2026 |
| 7 | Alexander Dimitrief | Director | 269,296 | 11,377 | 280,673 | 2.0% | 06 Aug, 2026 |
| 8 | Sumeet Puri | Chief Accounting Officer | 202,279 | 0 | 202,279 | 1.5% | 28 Jul, 2026 |
| 9 | Randall B Gonzales | Chief Financial Officer | 188,094 | 0 | 188,094 | 1.4% | 13 Jan, 2023 |
| 10 | Melissa Berube | General Counsel | 171,836 | 0 | 171,836 | 1.3% | 30 Jan, 2024 |
| 11 | Marian Walters | Director | 171,634 | 0 | 171,634 | 1.3% | 06 Aug, 2026 |
| 12 | Claude Demby | Director | 157,400 | 0 | 157,400 | 1.1% | 06 Aug, 2026 |
| 13 | Jeffrey S Bornstein | Director | 143,806 | 0 | 143,806 | 1.0% | 06 Aug, 2026 |
| 14 | Jeff Mcneil | Director | 122,290 | 0 | 122,290 | 0.9% | 19 May, 2026 |
| 15 | Audrey Ann Zibelman | Director | 104,897 | 0 | 104,897 | 0.8% | 02 May, 2024 |
| 16 | Sagar Kurada | Chief Financial Officer | 66,939 | 0 | 66,939 | 0.5% | 05 Jan, 2022 |
| 17 | Michelle Buczkowski | Chief Administration Officer | 61,827 | 0 | 61,827 | 0.5% | 06 Aug, 2026 |
| 18 | Joseph Nigro | Director | 41,723 | 0 | 41,723 | 0.3% | 06 Aug, 2026 |
| 19 | John J Tedone | Chief Accounting Officer | 25,487 | 0 | 25,487 | 0.2% | 16 Feb, 2023 |
| 20 | Gregory S. Nixon | Director | 13,867 | 0 | 13,867 | 0.1% | 19 May, 2026 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 24 Aug, 2026 | Joe Mastrangelo | Chief Executive Officer | Acquired A | 611,406 | $0.00 | $0 | 611,406 | Direct |
| 24 Aug, 2026 | Alessandro Lagi | Chief Financial Officer | Acquired A | 195,130 | $0.00 | $0 | 195,130 | Direct |
| 24 Aug, 2026 | Sumeet Puri | Chief Accounting Officer | Acquired A | 65,044 | $0.00 | $0 | 65,044 | Direct |
| 24 Aug, 2026 | Michelle Buczkowski | Chief Commercial Officer | Acquired A | 195,130 | $0.00 | $0 | 195,130 | Direct |
| 21 Jul, 2026 | Joe Mastrangelo | Chief Executive Officer | Acquired M | 111,118 | $5.48 | $608.93K | 2,058,704 | Direct |
| 21 Jul, 2026 | Michelle Buczkowski | Chief Administration Officer | Acquired M | 2,585 | $5.48 | $14.17K | 61,827 | Direct |
| 21 Jul, 2026 | Claude Demby | Director | Acquired M | 1,825 | $5.48 | $10.00K | 157,400 | Direct |
| 21 Jul, 2026 | Jeffrey S Bornstein | Director | Acquired M | 9,558 | $5.48 | $52.38K | 143,806 | Direct |
| 21 Jul, 2026 | Alexander Dimitrief | Director | Acquired M | 17,897 | $5.48 | $98.08K | 269,296 | Direct |
| 04 Aug, 2026 | Gp Manager Llc Cerberus | Director, TenPercentOwner | Acquired A | 20,017,772 | — | — | 20,017,772 | Indirect |
| 21 Jul, 2026 | Nathan Kroeker | Chief Commercial Officer | Acquired M | 16,944 | $5.48 | $92.85K | 904,471 | Direct |
| 21 Jul, 2026 | Marian Walters | Director | Acquired M | 11,407 | $5.48 | $62.51K | 171,634 | Direct |
| 21 Jul, 2026 | Joseph Nigro | Director | Acquired M | 2,773 | $5.48 | $15.20K | 41,723 | Direct |
| 21 Jul, 2026 | Joseph Nigro | Director | Disposed M | 2,773 | $0.00 | $0 | 0 | Direct |
| 21 Jul, 2026 | Claude Demby | Director | Disposed M | 1,825 | $0.00 | $0 | 0 | Direct |
| 21 Jul, 2026 | Michelle Buczkowski | Chief Administration Officer | Disposed M | 2,585 | $0.00 | $0 | 0 | Direct |
| 21 Jul, 2026 | Nathan Kroeker | Chief Commercial Officer | Disposed M | 16,944 | $0.00 | $0 | 0 | Direct |
| 21 Jul, 2026 | Joe Mastrangelo | Chief Executive Officer | Disposed M | 111,118 | $0.00 | $0 | 0 | Direct |
| 21 Jul, 2026 | Alexander Dimitrief | Director | Acquired M | 1,377 | $5.48 | $7.55K | 11,377 | Indirect |
| 21 Jul, 2026 | Michelle Buczkowski | Chief Administration Officer | Acquired M | 1,134 | $0.00 | $0 | 1,134 | Direct |