Sam Bucci
CIK 1824854 · EVP, Chief Operating Officer · last filed 2026-05-19
Sam Bucci is an EVP, Chief Operating Officer who has filed 26 SEC Form 4 insider transactions across 1 company since 2021. The most recent filing, for RBBN, was dated May 19, 2026. Across all open-market trades the lifetime net is −$291.0K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $1.4M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$1.44M
1
26
-$291.0K
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| RBBN | EVP, Chief Operating Officer | 536,035 | $2.69 | $1.44M | -$291.0K | 26 | 2026-05-19 |
Recent Filings
26 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-19 | RBBN | Mixed | +150,460 | -$462.2K | EDGAR |
| 2025-10-17 | RBBN | Mixed | +11,997 | -$52.7K | EDGAR |
| 2025-05-19 | RBBN | Mixed | +24,510 | -$102.2K | EDGAR |
| 2025-04-22 | RBBN | Mixed | +24,409 | -$100.0K | EDGAR |
| 2025-03-18 | RBBN | Mixed | +11,034 | -$33.2K | EDGAR |
| 2025-03-18 | RBBN | Mixed | +45,126 | -$205.3K | EDGAR |
| 2024-10-21 | RBBN | Mixed | +24,409 | -$97.6K | EDGAR |
| 2024-05-17 | RBBN | Grant (A) | — | $0 | EDGAR |
| 2024-04-19 | RBBN | Mixed | +49,418 | -$142.1K | EDGAR |
| 2024-03-18 | RBBN | Mixed | +5,124 | -$16.7K | EDGAR |