SEC Form 4 · Updated Daily
SNES
— SENESTECH, INC OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| GLENBROOK CAPITAL MANAGEMENT | 10%+ Owner | 1,079,294 | 2026-08-07 | P |
| Edell Michael | Director · Officer | 8,000 | 2026-09-09 | P |
| Szot Matthew K | Director | 0 | 2025-11-14 | S |
| Leach Jacob Steven | Director | 0 | 2025-11-18 | S |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-09-09 | Edell Michael | Open-market buy | 1,000 | $0.85 | 8,000 |
| 2026-09-09 | Edell Michael | Open-market buy | 1,000 | $0.89 | 7,000 |
| 2026-08-14 | Edell Michael | Open-market buy | 1,000 | $1.21 | 6,000 |
| 2026-08-07 | GLENBROOK CAPITAL MANAGEMENT | Open-market buy | 6,490 | $1.30 | 1,079,294 |
| 2026-08-06 | GLENBROOK CAPITAL MANAGEMENT | Open-market buy | 15,000 | $1.30 | 1,072,804 |
| 2026-07-20 | GLENBROOK CAPITAL MANAGEMENT | Open-market buy | 35,000 | $1.47 | 1,057,824 |
| 2026-07-07 | Edell Michael | Open-market buy | 1,000 | $1.43 | 5,000 |
| 2026-06-30 | GLENBROOK CAPITAL MANAGEMENT | Open-market buy | 35,000 | $1.51 | 1,022,824 |
| 2026-06-29 | GLENBROOK CAPITAL MANAGEMENT | Open-market buy | 5,172 | $1.52 | 987,824 |
| 2026-06-26 | GLENBROOK CAPITAL MANAGEMENT | Open-market buy | 6,812 | $1.56 | 982,652 |
| 2026-06-25 | GLENBROOK CAPITAL MANAGEMENT | Open-market buy | 9,442 | $1.53 | 975,840 |
| 2026-06-24 | GLENBROOK CAPITAL MANAGEMENT | Open-market buy | 3,990 | $1.55 | 966,398 |
| 2026-06-22 | GLENBROOK CAPITAL MANAGEMENT | Open-market buy | 5,000 | $1.66 | 962,408 |
| 2026-06-17 | GLENBROOK CAPITAL MANAGEMENT | Open-market buy | 3,264 | $1.61 | 957,408 |
| 2026-06-15 | Morrison Jamie Bechtel | Grant / award (derivative) | 100,000 | $0.00 | 100,000 |
| 2026-06-15 | Graham Lynn Yako | Grant / award (derivative) | 100,000 | $0.00 | 100,000 |
| 2026-06-15 | CHESTERMAN THOMAS C | Grant / award (derivative) | 75,000 | $0.00 | 75,000 |
| 2026-06-15 | Szot Matthew K | Grant / award (derivative) | 100,000 | $0.00 | 100,000 |
| 2026-06-15 | Leach Jacob Steven | Grant / award (derivative) | 100,000 | $0.00 | 100,000 |
| 2026-06-15 | Grandinetti Phillip Nicholas III | Grant / award (derivative) | 100,000 | $0.00 | 100,000 |
| 2026-06-15 | Moss Joshua Matthew | Grant / award (derivative) | 100,000 | $0.00 | 100,000 |
| 2026-06-09 | Edell Michael | Grant / award (derivative) | 263,288 | $0.00 | 263,288 |
| 2026-06-08 | GLENBROOK CAPITAL MANAGEMENT | Open-market buy | 7,000 | $1.61 | 954,144 |
| 2026-06-08 | Edell Michael | Open-market buy | 1,000 | $1.55 | 4,000 |
| 2026-06-05 | GLENBROOK CAPITAL MANAGEMENT | Open-market buy | 13,159 | $1.57 | 947,144 |
| 2026-06-04 | GLENBROOK CAPITAL MANAGEMENT | Open-market buy | 8,230 | $1.65 | 933,985 |
| 2026-05-18 | GLENBROOK CAPITAL MANAGEMENT | Open-market buy | 10,000 | $1.59 | 925,755 |
| 2026-05-15 | Edell Michael | Open-market buy | 1,000 | $1.61 | 3,000 |
| 2026-05-15 | GLENBROOK CAPITAL MANAGEMENT | Open-market buy | 7,120 | $1.65 | 915,755 |
| 2026-05-14 | Edell Michael | Open-market buy | 2,000 | $1.70 | 2,000 |
| 2026-05-14 | GLENBROOK CAPITAL MANAGEMENT | Open-market buy | 15,000 | $1.72 | 908,635 |
| 2026-04-28 | GLENBROOK CAPITAL MANAGEMENT | Open-market buy | 3,000 | $1.47 | 893,635 |
| 2026-03-17 | GLENBROOK CAPITAL MANAGEMENT | Open-market buy | 19,725 | $1.79 | 890,635 |
| 2026-03-16 | GLENBROOK CAPITAL MANAGEMENT | Open-market buy | 5,060 | $1.86 | 870,910 |
| 2026-03-13 | GLENBROOK CAPITAL MANAGEMENT | Open-market buy | 146,249 | $1.95 | 865,850 |
| 2026-02-19 | GLENBROOK CAPITAL MANAGEMENT | Open-market buy | 34,613 | $2.40 | 704,211 |
| 2026-02-18 | GLENBROOK CAPITAL MANAGEMENT | Open-market buy | 10,481 | $2.29 | 669,598 |
| 2026-02-17 | GLENBROOK CAPITAL MANAGEMENT | Open-market buy | 40,807 | $2.29 | 659,117 |
| 2026-02-13 | GLENBROOK CAPITAL MANAGEMENT | Open-market buy | 15,390 | $1.89 | 633,700 |
| 2026-02-12 | GLENBROOK CAPITAL MANAGEMENT | Open-market buy | 7,956 | $1.72 | 618,310 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.