Sam Bucci
CIK 1824854 · View on SEC EDGAR ↗
Insider
First SEC filing: Sept. 16, 2020 · Latest: June 17, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 98 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
98 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 3, 2022 | RBBN | S | 25,000 | $3.46 | $86,500 | 126,394 Direct | -16.51% | Disposed | -41.8% (price as of 2026-08-19) |
| May 2, 2022 | RBBN | S | 15,000 | $3.49 | $52,350 | 151,394 Direct | -9.01% | Disposed | -42.3% (price as of 2026-08-19) |
Showing latest 100 of 101 transactions
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 15, 2026 | RBBN | PSUs | Common Stock (100,000) | — | — | 100,000 | Acquired |
| June 15, 2026 | RBBN | Performance-Based RSUs (PSUs) | Common Stock (150,000) | — | — | 150,000 | Acquired |
| June 15, 2026 | RBBN | Restructed Stock Unites (RSUs) | Common Stock (250,000) | — | — | 250,000 | Acquired |
| May 16, 2025 | RBBN | RSUs | Common Stock (52,742) | — | — | 52,742 | Disposed |
| May 15, 2025 | RBBN | PSUs | Common Stock (60,654) | — | — | 60,654 | Acquired |
| May 15, 2025 | RBBN | PSUs | Common Stock (100,000) | — | — | 100,000 | Acquired |
| May 15, 2025 | RBBN | Performance-Based RSUs (PSUs) | Common Stock (150,000) | — | — | 150,000 | Acquired |
| May 15, 2025 | RBBN | RSUs | Common Stock (105,485) | — | — | 105,485 | Acquired |
| May 15, 2025 | RBBN | Restricted Stock Units (RSUs) | Common Stock (250,000) | — | — | 250,000 | Acquired |
| April 18, 2025 | RBBN | RSUs | Common Stock (26,709) | — | — | 26,709 | Disposed |
| April 17, 2025 | RBBN | Restricted Stock Units (RSUs) | Common Stock (25,815) | — | — | 25,815 | Disposed |
| March 15, 2025 | RBBN | PSUs | Common Stock (64,308) | — | — | 64,308 | Disposed |
| March 15, 2025 | RBBN | Performance Stock Units (PSUs) | Common Stock (32,799) | — | — | 32,799 | Disposed |
| Oct. 18, 2024 | RBBN | RSUs | Common Stock (26,709) | — | — | 26,709 | Disposed |
| Oct. 17, 2024 | RBBN | Restricted Stock Units (RSUs) | Common Stock (25,816) | — | — | 25,816 | Disposed |
| May 15, 2024 | RBBN | PSUs | Common Stock (48,523) | — | — | 48,523 | Acquired |
| May 15, 2024 | RBBN | Performance-Based RSUs (PSUs) | Common Stock (72,785) | — | — | 72,785 | Acquired |
| May 15, 2024 | RBBN | Restricted Stock Units (RSUs) | Common Stock (52,742) | — | — | 52,742 | Acquired |
| April 18, 2024 | RBBN | RSUs | Common Stock (26,709) | — | — | 26,709 | Disposed |
| April 17, 2024 | RBBN | Performance Share Units (PSUs) | Common Stock | — | — | 23,743 | Disposed |
| April 17, 2024 | RBBN | Performance Share Units (PSUs) | Common Stock (25,721) | — | — | 25,721 | Disposed |
| April 17, 2024 | RBBN | Restricted Stock Units (RSUs) | Common Stock (51,633) | — | — | 51,633 | Disposed |
| March 15, 2024 | RBBN | Performance Stock Units (PSUs) | Common Stock (3,059) | — | — | 3,059 | Disposed |
| March 15, 2024 | RBBN | Restricted Stock Units (RSUs) | Common Stock (7,965) | — | — | 7,965 | Disposed |
| Jan. 18, 2024 | RBBN | Restricted Stock Units (RSUs) | Common Stock (81,967) | — | — | 81,967 | Disposed |
| Oct. 18, 2023 | RBBN | Restricted Stock Units (RSUs) | Common Stock (26,709) | — | — | 26,709 | Disposed |
| Sept. 15, 2023 | RBBN | RSUs | Common Stock (7,964) | — | — | 7,964 | Disposed |
| Sept. 15, 2023 | RBBN | Restricted Stock Units (RSUs) | Common Stock (16,706) | — | — | 16,706 | Disposed |
| April 18, 2023 | RBBN | Restricted Stock Units (RSUs) | Common Stock (53,420) | — | — | 53,420 | Disposed |
| April 17, 2023 | RBBN | PSUs | Common Stock (61,958) | — | — | 61,958 | Acquired |
| April 17, 2023 | RBBN | PSUs | Common Stock (92,937) | — | — | 92,937 | Acquired |
| April 17, 2023 | RBBN | Performance-Based RSUs (PSUs) | Common Stock (46,464) | — | — | 49,464 | Acquired |
| April 17, 2023 | RBBN | RSUs | Common Stock (154,895) | — | — | 154,895 | Acquired |
| March 15, 2023 | RBBN | RSUs | Common Stock (40,094) | — | — | 40,094 | Disposed |
| March 15, 2023 | RBBN | Performance-Based Restricted Stock Units (PSUs) | Common Stock (25,059) | — | — | 25,059 | Disposed |
| March 15, 2023 | RBBN | RSUs | Common Stock (7,965) | — | — | 7,965 | Disposed |
| March 15, 2023 | RBBN | Restricted Stock Units (RSUs) | Common Stock (16,705) | — | — | 16,705 | Disposed |
| Jan. 17, 2023 | RBBN | Restricted Stock Units (RSU) | Common Stock (81,967) | — | — | 81,967 | Acquired |
| Sept. 15, 2022 | RBBN | Restricted Stock Unit (RSU) | Common Stock (7,965) | — | — | 7,965 | Disposed |
| Sept. 15, 2022 | RBBN | Restricted Stock Units (RSU) | Common Stock (16,706) | — | — | 16,706 | Disposed |
| June 15, 2022 | RBBN | PSU | Common Stock (110,117) | — | — | 110,117 | Acquired |
| June 15, 2022 | RBBN | PSU | Common Stock (64,308) | — | — | 64,308 | Acquired |
| June 15, 2022 | RBBN | Performance-Based Restricted Stock Unit (PSU) | Common Stock (96,463) | — | — | 96,463 | Acquired |
| April 18, 2022 | RBBN | Restricted Stock Units (RSU) | Common Stock (160,256) | — | — | 160,256 | Acquired |
| March 15, 2022 | RBBN | Restricted Stock Unit (RSU) | Common Stock (16,706) | — | — | 16,706 | Disposed |
| March 15, 2022 | RBBN | Restricted Stock Units (RSU) | Common Stock (15,931) | — | — | 15,931 | Disposed |
| Sept. 15, 2021 | RBBN | Restricted Stock Unit | Common Stock (33,413) | — | — | 33,413 | Disposed |
| Sept. 15, 2021 | RBBN | Restricted Stock Units (RSU) | Common Stock (129,717) | — | — | 129,717 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Sept. 16, 2020 | RBBN | Restricted Stock Units (RSUs)→ Common Stock (100,236) | 100,236 | Direct |
| Sept. 16, 2020 | RBBN | RSUs→ Common Stock (129,717) | 129,717 | Direct |
| Sept. 16, 2020 | RBBN | Performance-Based Restricted Stock Units (PSUs)→ Common Stock (40,094) | 40,094 | Direct |
| Sept. 16, 2020 | RBBN | PSUs→ Common Stock (133,333) | 133,333 | Direct |