Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 13 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

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 16, 2026 RBBN M 67,500 · · 0 Direct -100.00% Disposed (price as of 2026-10-06)
June 16, 2026 RBBN M 67,500 · · 208,138 Direct +48.00% Acquired (price as of 2026-10-06)
June 15, 2026 RBBN A 63,197 · · 63,197 Direct · Acquired (price as of 2026-10-06)
June 17, 2025 RBBN M 48,365 · · 0 Direct -100.00% Disposed (price as of 2026-10-06)
June 17, 2025 RBBN M 48,365 · · 140,638 Direct +52.42% Acquired (price as of 2026-10-06)
June 16, 2025 RBBN A 67,500 · · 67,500 Direct · Acquired (price as of 2026-10-06)
June 17, 2024 RBBN A 48,365 · · 48,365 Direct · Acquired (price as of 2026-10-06)
June 15, 2024 RBBN M 51,964 · · 0 Direct -100.00% Disposed (price as of 2026-10-06)
June 15, 2024 RBBN M 51,964 · · 92,273 Direct +128.91% Acquired (price as of 2026-10-06)
June 15, 2023 RBBN A 51,964 · · 51,964 Direct · Acquired (price as of 2026-10-06)
June 15, 2023 RBBN M 40,309 · · 0 Direct -100.00% Disposed (price as of 2026-10-06)
June 15, 2023 RBBN M 40,309 · · 40,309 Direct · Acquired (price as of 2026-10-06)
Oct. 17, 2022 RBBN A 40,309 · · 40,309 Direct · Acquired (price as of 2026-10-06)

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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
June 16, 2026 RBBN RSUs Common Stock (67,500) · · 67,500 Disposed
June 15, 2026 RBBN Restricted Stock Units (RSUs) Common Stock (63,197) · · 63,197 Acquired
June 17, 2025 RBBN RSU Common Stock (48,365) · · 48,365 Disposed
June 16, 2025 RBBN Restricted Stock Units (RSUs) Common Stock (67,500) · · 67,500 Acquired
June 17, 2024 RBBN RSU Common Stock (48,365) · · 48,365 Acquired
June 15, 2024 RBBN Restricted Stock Units (RSUs) Common Stock (51,964) · · 51,964 Disposed
June 15, 2023 RBBN RSU Common Stock (51,964) · · 51,964 Acquired
June 15, 2023 RBBN Restricted Stock Units (RSUs) Common Stock (40,309) · · 40,309 Disposed
Oct. 17, 2022 RBBN Restricted Stock Units ("RSU(s)") Common Stock (40,309) · · 40,309 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).