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.

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Disclosed Exposure

$1.44M

Companies

1

Total Filings

26

Lifetime Open-Market Net

-$291.0K

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
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
Form 4 transactions across all companies, newest first.
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
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.