Sam Bucci
First SEC filing: Sept. 16, 2020 · Latest: June 17, 2026
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 15, 2026 | RBBN | A | 100,000 | · | · | 100,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 15, 2026 | RBBN | A | 150,000 | · | · | 150,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 15, 2026 | RBBN | A | 250,000 | · | · | 250,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 15, 2026 | RBBN | M | 38,578 | · | · | 556,685 Direct | +7.45% | Acquired | (price as of 2026-10-02) |
| May 15, 2026 | RBBN | F | 20,650 | $2.63 | $54,310 | 536,035 Direct | -3.71% | Disposed | -32.7% (price as of 2026-10-02) |
| May 15, 2026 | RBBN | M | 52,743 | · | · | 588,778 Direct | +9.84% | Acquired | (price as of 2026-10-02) |
| May 15, 2026 | RBBN | F | 28,233 | $2.63 | $74,253 | 560,545 Direct | -4.80% | Disposed | -32.7% (price as of 2026-10-02) |
| May 15, 2026 | RBBN | M | 83,335 | · | · | 643,880 Direct | +14.87% | Acquired | (price as of 2026-10-02) |
| May 15, 2026 | RBBN | F | 44,609 | $2.63 | $117,322 | 599,271 Direct | -6.93% | Disposed | -32.7% (price as of 2026-10-02) |
| May 15, 2026 | RBBN | M | 38,578 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 15, 2026 | RBBN | M | 52,743 | · | · | 52,742 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| May 15, 2026 | RBBN | M | 83,335 | · | · | 166,665 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| April 17, 2026 | RBBN | M | 25,815 | · | · | 474,626 Direct | +5.75% | Acquired | (price as of 2026-10-02) |
| April 17, 2026 | RBBN | F | 13,818 | $2.71 | $37,447 | 460,808 Direct | -2.91% | Disposed | -34.7% (price as of 2026-10-02) |
| April 17, 2026 | RBBN | M | 42,753 | · | · | 503,561 Direct | +9.28% | Acquired | (price as of 2026-10-02) |
| April 17, 2026 | RBBN | F | 22,884 | $2.71 | $62,016 | 480,677 Direct | -4.54% | Disposed | -34.7% (price as of 2026-10-02) |
| April 17, 2026 | RBBN | M | 80,546 | · | · | 561,223 Direct | +16.76% | Acquired | (price as of 2026-10-02) |
| April 17, 2026 | RBBN | F | 43,116 | $2.71 | $116,844 | 518,107 Direct | -7.68% | Disposed | -34.7% (price as of 2026-10-02) |
| April 17, 2026 | RBBN | M | 25,815 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 17, 2026 | RBBN | M | 42,753 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 17, 2026 | RBBN | M | 80,546 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 17, 2025 | RBBN | M | 25,816 | · | · | 462,630 Direct | +5.91% | Acquired | (price as of 2026-10-02) |
| Oct. 17, 2025 | RBBN | F | 13,819 | $3.81 | $52,650 | 448,811 Direct | -2.99% | Disposed | -53.5% (price as of 2026-10-02) |
| Oct. 17, 2025 | RBBN | M | 25,816 | · | · | 25,815 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| May 16, 2025 | RBBN | M | 52,742 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 16, 2025 | RBBN | F | 28,232 | $3.62 | $102,200 | 436,814 Direct | -6.07% | Disposed | -51.1% (price as of 2026-10-02) |
| May 16, 2025 | RBBN | M | 52,742 | · | · | 465,046 Direct | +12.79% | Acquired | (price as of 2026-10-02) |
| May 15, 2025 | RBBN | A | 60,654 | · | · | 60,654 Direct | · | Acquired | (price as of 2026-10-02) |
| May 15, 2025 | RBBN | A | 100,000 | · | · | 100,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 15, 2025 | RBBN | A | 150,000 | · | · | 150,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 15, 2025 | RBBN | A | 105,485 | · | · | 105,485 Direct | · | Acquired | (price as of 2026-10-02) |
| May 15, 2025 | RBBN | A | 250,000 | · | · | 250,000 Direct | · | Acquired | (price as of 2026-10-02) |
| April 18, 2025 | RBBN | M | 26,709 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 18, 2025 | RBBN | F | 14,297 | $3.58 | $51,183 | 412,304 Direct | -3.35% | Disposed | -50.6% (price as of 2026-10-02) |
| April 18, 2025 | RBBN | M | 26,709 | · | · | 426,601 Direct | +6.68% | Acquired | (price as of 2026-10-02) |
| April 17, 2025 | RBBN | M | 25,815 | · | · | 51,631 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| April 17, 2025 | RBBN | F | 13,818 | $3.53 | $48,778 | 399,892 Direct | -3.34% | Disposed | -49.9% (price as of 2026-10-02) |
| April 17, 2025 | RBBN | M | 25,815 | · | · | 413,710 Direct | +6.66% | Acquired | (price as of 2026-10-02) |
| March 15, 2025 | RBBN | M | 64,308 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 15, 2025 | RBBN | M | 32,799 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 15, 2025 | RBBN | F | 34,424 | $3.95 | $135,975 | 387,895 Direct | -8.15% | Disposed | -55.2% (price as of 2026-10-02) |
| March 15, 2025 | RBBN | M | 64,308 | · | · | 422,319 Direct | +17.96% | Acquired | (price as of 2026-10-02) |
| March 15, 2025 | RBBN | F | 17,557 | $3.95 | $69,350 | 358,011 Direct | -4.67% | Disposed | -55.2% (price as of 2026-10-02) |
| March 15, 2025 | RBBN | M | 32,799 | · | · | 375,568 Direct | +9.57% | Acquired | (price as of 2026-10-02) |
| Oct. 18, 2024 | RBBN | M | 26,709 | · | · | 26,709 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Oct. 18, 2024 | RBBN | F | 14,297 | $3.56 | $50,897 | 344,787 Direct | -3.98% | Disposed | -50.3% (price as of 2026-10-02) |
| Oct. 18, 2024 | RBBN | M | 26,709 | · | · | 359,044 Direct | +8.04% | Acquired | (price as of 2026-10-02) |
| Oct. 17, 2024 | RBBN | M | 25,816 | · | · | 77,446 Direct | -25.00% | Disposed | (price as of 2026-10-02) |
| Oct. 17, 2024 | RBBN | F | 13,819 | $3.38 | $46,708 | 332,335 Direct | -3.99% | Disposed | -47.6% (price as of 2026-10-02) |
| Oct. 17, 2024 | RBBN | M | 25,816 | · | · | 346,154 Direct | +8.06% | Acquired | (price as of 2026-10-02) |
| May 15, 2024 | RBBN | A | 48,523 | · | · | 48,523 Direct | · | Acquired | (price as of 2026-10-02) |
| May 15, 2024 | RBBN | A | 72,785 | · | · | 72,785 Direct | · | Acquired | (price as of 2026-10-02) |
| May 15, 2024 | RBBN | A | 52,742 | · | · | 52,742 Direct | · | Acquired | (price as of 2026-10-02) |
| April 18, 2024 | RBBN | M | 26,709 | · | · | 53,418 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| April 18, 2024 | RBBN | F | 14,297 | $2.57 | $36,743 | 320,338 Direct | -4.27% | Disposed | -31.1% (price as of 2026-10-02) |
| April 18, 2024 | RBBN | M | 26,709 | · | · | 334,635 Direct | +8.67% | Acquired | (price as of 2026-10-02) |
| April 17, 2024 | RBBN | M | 23,743 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 17, 2024 | RBBN | F | 12,709 | $2.61 | $33,170 | 333,587 Direct | -3.67% | Disposed | -32.2% (price as of 2026-10-02) |
| April 17, 2024 | RBBN | M | 23,743 | · | · | 346,296 Direct | +7.36% | Acquired | (price as of 2026-10-02) |
| April 17, 2024 | RBBN | M | 25,721 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 17, 2024 | RBBN | M | 51,633 | · | · | 103,262 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| April 17, 2024 | RBBN | F | 40,348 | $2.61 | $105,308 | 307,926 Direct | -11.59% | Disposed | -32.2% (price as of 2026-10-02) |
| April 17, 2024 | RBBN | M | 25,721 | · | · | 348,274 Direct | +7.97% | Acquired | (price as of 2026-10-02) |
| April 17, 2024 | RBBN | M | 51,633 | · | · | 322,553 Direct | +19.06% | Acquired | (price as of 2026-10-02) |
| March 15, 2024 | RBBN | M | 3,059 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 15, 2024 | RBBN | M | 7,965 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 15, 2024 | RBBN | F | 5,900 | $2.83 | $16,697 | 270,920 Direct | -2.13% | Disposed | -37.5% (price as of 2026-10-02) |
| March 15, 2024 | RBBN | M | 3,059 | · | · | 276,820 Direct | +1.12% | Acquired | (price as of 2026-10-02) |
| March 15, 2024 | RBBN | M | 7,965 | · | · | 273,761 Direct | +3.00% | Acquired | (price as of 2026-10-02) |
| Jan. 18, 2024 | RBBN | M | 81,967 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 18, 2024 | RBBN | F | 44,475 | $2.84 | $126,309 | 265,796 Direct | -14.33% | Disposed | -37.7% (price as of 2026-10-02) |
| Jan. 18, 2024 | RBBN | M | 81,967 | · | · | 310,271 Direct | +35.90% | Acquired | (price as of 2026-10-02) |
| Oct. 18, 2023 | RBBN | M | 26,709 | · | · | 80,127 Direct | -25.00% | Disposed | (price as of 2026-10-02) |
| Oct. 18, 2023 | RBBN | F | 14,297 | $2.15 | $30,739 | 228,304 Direct | -5.89% | Disposed | -17.7% (price as of 2026-10-02) |
| Oct. 18, 2023 | RBBN | M | 26,709 | · | · | 242,601 Direct | +12.37% | Acquired | (price as of 2026-10-02) |
| Sept. 15, 2023 | RBBN | M | 7,964 | · | · | 7,965 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Sept. 15, 2023 | RBBN | M | 16,706 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 15, 2023 | RBBN | F | 13,205 | $2.83 | $37,370 | 215,892 Direct | -5.76% | Disposed | -37.5% (price as of 2026-10-02) |
| Sept. 15, 2023 | RBBN | M | 7,964 | · | · | 229,097 Direct | +3.60% | Acquired | (price as of 2026-10-02) |
| Sept. 15, 2023 | RBBN | M | 16,706 | · | · | 221,133 Direct | +8.17% | Acquired | (price as of 2026-10-02) |
| April 18, 2023 | RBBN | M | 53,420 | · | · | 106,836 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| April 18, 2023 | RBBN | F | 28,595 | $2.74 | $78,350 | 204,427 Direct | -12.27% | Disposed | -35.4% (price as of 2026-10-02) |
| April 18, 2023 | RBBN | M | 53,420 | · | · | 233,022 Direct | +29.74% | Acquired | (price as of 2026-10-02) |
| April 17, 2023 | RBBN | A | 61,958 | · | · | 61,958 Direct | · | Acquired | (price as of 2026-10-02) |
| April 17, 2023 | RBBN | A | 92,937 | · | · | 92,937 Direct | · | Acquired | (price as of 2026-10-02) |
| April 17, 2023 | RBBN | A | 49,464 | · | · | 49,464 Direct | · | Acquired | (price as of 2026-10-02) |
| April 17, 2023 | RBBN | A | 154,895 | · | · | 154,895 Direct | · | Acquired | (price as of 2026-10-02) |
| March 15, 2023 | RBBN | M | 40,094 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 15, 2023 | RBBN | M | 25,059 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 15, 2023 | RBBN | M | 7,965 | · | · | 15,929 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| March 15, 2023 | RBBN | M | 16,705 | · | · | 16,705 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| March 15, 2023 | RBBN | F | 21,462 | $3.71 | $79,624 | 179,602 Direct | -10.67% | Disposed | -52.3% (price as of 2026-10-02) |
| March 15, 2023 | RBBN | M | 40,094 | · | · | 201,064 Direct | +24.91% | Acquired | (price as of 2026-10-02) |
| March 15, 2023 | RBBN | F | 13,414 | $3.71 | $49,766 | 160,970 Direct | -7.69% | Disposed | -52.3% (price as of 2026-10-02) |
| March 15, 2023 | RBBN | M | 25,059 | · | · | 174,384 Direct | +16.78% | Acquired | (price as of 2026-10-02) |
| March 15, 2023 | RBBN | F | 4,263 | $3.71 | $15,816 | 149,325 Direct | -2.78% | Disposed | -52.3% (price as of 2026-10-02) |
| March 15, 2023 | RBBN | M | 7,965 | · | · | 153,588 Direct | +5.47% | Acquired | (price as of 2026-10-02) |
| March 15, 2023 | RBBN | F | 8,942 | $3.71 | $33,175 | 145,623 Direct | -5.79% | Disposed | -52.3% (price as of 2026-10-02) |
| March 15, 2023 | RBBN | M | 16,705 | · | · | 154,565 Direct | +12.12% | Acquired | (price as of 2026-10-02) |
| Jan. 17, 2023 | RBBN | A | 81,967 | · | · | 81,967 Direct | · | Acquired | (price as of 2026-10-02) |
Showing latest 100 of 133 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 | Acquired |
| June 15, 2026 | RBBN | Performance-Based RSUs (PSUs) | Common Stock | · | · | 150,000 | Acquired |
| June 15, 2026 | RBBN | Restructed Stock Unites (RSUs) | Common Stock | · | · | 250,000 | Acquired |
| May 15, 2026 | RBBN | PSUs | Common Stock | · | · | 38,578 | Disposed |
| May 15, 2026 | RBBN | RSUs | Common Stock | · | · | 52,743 | Disposed |
| May 15, 2026 | RBBN | RSUs | Common Stock | · | · | 83,335 | Disposed |
| April 17, 2026 | RBBN | Restricted Share Units (RSUs) | Common Stock | · | · | 25,815 | Disposed |
| April 17, 2026 | RBBN | Performance Share Units (PSUs) | Common Stock | · | · | 42,753 | Disposed |
| April 17, 2026 | RBBN | PSUs | Common Stock | · | · | 80,546 | Disposed |
| Oct. 17, 2025 | RBBN | Restricted Stock Units (RSUs) | Common Stock | · | · | 25,816 | Disposed |
| May 16, 2025 | RBBN | RSUs | Common Stock | · | · | 52,742 | Disposed |
| May 15, 2025 | RBBN | PSUs | Common Stock | · | · | 60,654 | Acquired |
| May 15, 2025 | RBBN | PSUs | Common Stock | · | · | 100,000 | Acquired |
| May 15, 2025 | RBBN | Performance-Based RSUs (PSUs) | Common Stock | · | · | 150,000 | Acquired |
| May 15, 2025 | RBBN | RSUs | Common Stock | · | · | 105,485 | Acquired |
| May 15, 2025 | RBBN | Restricted Stock Units (RSUs) | Common Stock | · | · | 250,000 | Acquired |
| April 18, 2025 | RBBN | RSUs | Common Stock | · | · | 26,709 | Disposed |
| April 17, 2025 | RBBN | Restricted Stock Units (RSUs) | Common Stock | · | · | 25,815 | Disposed |
| March 15, 2025 | RBBN | PSUs | Common Stock | · | · | 64,308 | Disposed |
| March 15, 2025 | RBBN | Performance Stock Units (PSUs) | Common Stock | · | · | 32,799 | Disposed |
| Oct. 18, 2024 | RBBN | RSUs | Common Stock | · | · | 26,709 | Disposed |
| Oct. 17, 2024 | RBBN | Restricted Stock Units (RSUs) | Common Stock | · | · | 25,816 | Disposed |
| May 15, 2024 | RBBN | PSUs | Common Stock | · | · | 48,523 | Acquired |
| May 15, 2024 | RBBN | Performance-Based RSUs (PSUs) | Common Stock | · | · | 72,785 | Acquired |
| May 15, 2024 | RBBN | Restricted Stock Units (RSUs) | Common Stock | · | · | 52,742 | Acquired |
| April 18, 2024 | RBBN | RSUs | Common Stock | · | · | 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 | Disposed |
| April 17, 2024 | RBBN | Restricted Stock Units (RSUs) | Common Stock | · | · | 51,633 | Disposed |
| March 15, 2024 | RBBN | Performance Stock Units (PSUs) | Common Stock | · | · | 3,059 | Disposed |
| March 15, 2024 | RBBN | Restricted Stock Units (RSUs) | Common Stock | · | · | 7,965 | Disposed |
| Jan. 18, 2024 | RBBN | Restricted Stock Units (RSUs) | Common Stock | · | · | 81,967 | Disposed |
| Oct. 18, 2023 | RBBN | Restricted Stock Units (RSUs) | Common Stock | · | · | 26,709 | Disposed |
| Sept. 15, 2023 | RBBN | RSUs | Common Stock | · | · | 7,964 | Disposed |
| Sept. 15, 2023 | RBBN | Restricted Stock Units (RSUs) | Common Stock | · | · | 16,706 | Disposed |
| April 18, 2023 | RBBN | Restricted Stock Units (RSUs) | Common Stock | · | · | 53,420 | Disposed |
| April 17, 2023 | RBBN | PSUs | Common Stock | · | · | 61,958 | Acquired |
| April 17, 2023 | RBBN | PSUs | Common Stock | · | · | 92,937 | Acquired |
| April 17, 2023 | RBBN | Performance-Based RSUs (PSUs) | Common Stock | · | · | 49,464 | Acquired |
| April 17, 2023 | RBBN | RSUs | Common Stock | · | · | 154,895 | Acquired |
| March 15, 2023 | RBBN | RSUs | Common Stock | · | · | 40,094 | Disposed |
| March 15, 2023 | RBBN | Performance-Based Restricted Stock Units (PSUs) | Common Stock | · | · | 25,059 | Disposed |
| March 15, 2023 | RBBN | RSUs | Common Stock | · | · | 7,965 | Disposed |
| March 15, 2023 | RBBN | Restricted Stock Units (RSUs) | Common Stock | · | · | 16,705 | Disposed |
| Jan. 17, 2023 | RBBN | Restricted Stock Units (RSU) | Common Stock | · | · | 81,967 | Acquired |
| Sept. 15, 2022 | RBBN | Restricted Stock Unit (RSU) | Common Stock | · | · | 7,965 | Disposed |
| Sept. 15, 2022 | RBBN | Restricted Stock Units (RSU) | Common Stock | · | · | 16,706 | Disposed |
| June 15, 2022 | RBBN | PSU | Common Stock | · | · | 110,117 | Acquired |
| June 15, 2022 | RBBN | PSU | Common Stock | · | · | 64,308 | Acquired |
| June 15, 2022 | RBBN | Performance-Based Restricted Stock Unit (PSU) | Common Stock | · | · | 96,463 | Acquired |
| April 18, 2022 | RBBN | Restricted Stock Units (RSU) | Common Stock | · | · | 160,256 | Acquired |
| March 15, 2022 | RBBN | Restricted Stock Unit (RSU) | Common Stock | · | · | 16,706 | Disposed |
| March 15, 2022 | RBBN | Restricted Stock Units (RSU) | Common Stock | · | · | 15,931 | Disposed |
| Sept. 15, 2021 | RBBN | Restricted Stock Unit | Common Stock | · | · | 33,413 | Disposed |
| Sept. 15, 2021 | RBBN | Restricted Stock Units (RSU) | Common Stock | · | · | 129,717 | Disposed |
| March 15, 2021 | RBBN | Performance-Based Restricted Stock Units (PSUs) | Common Stock | · | · | 15,930 | Acquired |
| March 15, 2021 | RBBN | Restricted Stock Units (RSUs) | Common Stock | · | · | 47,790 | Acquired |
| March 15, 2021 | RBBN | Performance-Based Restricted Stock Units (PSUs) | Common Stock | · | · | 47,790 | Acquired |
| March 15, 2021 | RBBN | PSUs | Common Stock | · | · | 28,674 | Acquired |
| March 15, 2021 | RBBN | PSUs | Common Stock | · | · | 19,116 | Acquired |
| Feb. 26, 2021 | RBBN | Performance Based Restricted Stock Units (PSUs) | Common Stock | · | · | 25,059 | Acquired |
| Feb. 15, 2021 | RBBN | Performance-Based Restricted Stock Units (PSUs) | Common Stock | · | Jan. 31, 2022 | 133,333 | 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.