GLENBROOK CAPITAL MANAGEMENT
SEC Form 4 insider trading activity
GLENBROOK CAPITAL MANAGEMENT has filed 13 SEC Form 4 filings (30 transaction rows) across 1 company, with disclosures dating back to 2026. 13 of those filings fall inside the rolling window. Most recent filing: Aug 10, 2026.
Companies traded
Insider Buying
$986K
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| SNES | 10% Owner | Purchase | 15,000 | $19K | Aug 10 | SEC ↗ | |
| SNES | 10% Owner | Purchase | 6,490 | $8K | Aug 10 | SEC ↗ | |
| SNES | 10% Owner | Purchase | 35,000 | $52K | Jul 23 | SEC ↗ | |
| SNES | 10% Owner | Purchase | 35,000 | $53K | Jul 2 | SEC ↗ | |
| SNES | 10% Owner | Purchase | 3,990 | $6K | Jun 30 | SEC ↗ | |
| SNES | 10% Owner | Purchase | 9,442 | $14K | Jun 30 | SEC ↗ | |
| SNES | 10% Owner | Purchase | 6,812 | $11K | Jun 30 | SEC ↗ | |
| SNES | 10% Owner | Purchase | 5,172 | $8K | Jun 30 | SEC ↗ | |
| SNES | 10% Owner | Purchase | 3,264 | $5K | Jun 23 | SEC ↗ | |
| SNES | 10% Owner | Purchase | 5,000 | $8K | Jun 23 | SEC ↗ | |
| SNES | 10% Owner | Purchase | 8,230 | $14K | Jun 8 | SEC ↗ | |
| SNES | 10% Owner | Purchase | 13,159 | $21K | Jun 8 | SEC ↗ | |
| SNES | 10% Owner | Purchase | 7,000 | $11K | Jun 8 | SEC ↗ | |
| SNES | 10% Owner | Purchase | 15,000 | $26K | May 19 | SEC ↗ | |
| SNES | 10% Owner | Purchase | 7,120 | $12K | May 19 | SEC ↗ | |
| SNES | 10% Owner | Purchase | 10,000 | $16K | May 19 | SEC ↗ | |
| SNES | 10% Owner | Purchase | 3,000 | $4K | Apr 30 | SEC ↗ | |
| SNES | 10% Owner | Purchase | 146,249 | $285K | Mar 17 | SEC ↗ | |
| SNES | 10% Owner | Purchase | 5,060 | $9K | Mar 17 | SEC ↗ | |
| SNES | 10% Owner | Purchase | 19,725 | $35K | Mar 17 | SEC ↗ | |
| SNES | 10% Owner | Purchase | 40,807 | $93K | Feb 19 | SEC ↗ | |
| SNES | 10% Owner | Purchase | 10,481 | $24K | Feb 19 | SEC ↗ | |
| SNES | 10% Owner | Purchase | 34,613 | $83K | Feb 19 | SEC ↗ | |
| SNES | 10% Owner | Purchase | 8,000 | $14K | Feb 13 | SEC ↗ | |
| SNES | 10% Owner | Purchase | 7,956 | $14K | Feb 13 | SEC ↗ | |
| SNES | 10% Owner | Purchase | 15,390 | $29K | Feb 13 | SEC ↗ | |
| SNES | 10% Owner | Purchase | 5,685 | $10K | Feb 6 | SEC ↗ | |
| SNES | 10% Owner | Purchase | 2,884 | $5K | Feb 6 | SEC ↗ | |
| SNES | 10% Owner | Purchase | 5,399 | $10K | Feb 3 | SEC ↗ | |
| SNES | 10% Owner | Purchase | 42,739 | $84K | Feb 3 | SEC ↗ |