// insider-profile
Marmurek Eric S
// activity-summary
Recent insider activity is bullish. Over the last 30 days, 2 insiders purchased shares versus 1 sale. Buying was led by Marmurek Eric S.
// track-record
$0
Total purchased
$0
Total sold
0
0B · 0S transactions
Mixed
Overall direction
Filing history: Jan 2024 — Apr 2026Based on last 50 filings
Transaction History
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Apr 15, 2026 | Marmurek Eric S | RBBN | Option Exercise | 37,500 | — | — |
| Apr 15, 2026 | Marmurek Eric S | RBBN | Tax Withholding | 14,756 | $2.48 | $37K |
| Apr 15, 2026 | Marmurek Eric S | RBBN | Option Exercise | 37,500 | $0.00 | $0K |
| Dec 15, 2025 | Marmurek Eric S | RBBN | Award | 169,721 | $0.00 | $0K |
| Oct 15, 2025 | Marmurek Eric S | RBBN | Option Exercise | 75,000 | — | — |
45 more transactions hidden
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