Insider at

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Insider transactions

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0 buys (P) 0 sells (S) Net: $0 + 10 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 17, 2020 RBBN M 25,975 · · 172,011 Direct +17.79% Acquired (price as of 2026-10-02)
June 17, 2020 RBBN M 25,975 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
Feb. 21, 2020 RBBN M 30,000 · · 146,036 Direct +25.85% Acquired (price as of 2026-10-02)
Feb. 21, 2020 RBBN A 30,000 · · 30,000 Direct · Acquired (price as of 2026-10-02)
Feb. 21, 2020 RBBN M 30,000 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
June 17, 2019 RBBN A 25,975 · · 25,975 Direct · Acquired (price as of 2026-10-02)
June 15, 2018 RBBN A 18,182 · · 116,036 Direct +18.58% Acquired (price as of 2026-10-02)
Jan. 16, 2018 RBBN D 12,541 · · 61,960 Direct -16.83% Disposed (price as of 2026-10-02)
Jan. 16, 2018 RBBN A 10,683 · · 72,643 Direct +17.24% Acquired (price as of 2026-10-02)
Jan. 16, 2018 RBBN A 25,211 · · 97,854 Direct +34.71% Acquired (price as of 2026-10-02)

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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
June 17, 2020 RBBN Restricted Stock Units (RSUs) Common Stock (25,975) · · 25,975 Disposed
Feb. 21, 2020 RBBN Restricted Stock Units (RSUs) Common Stock (30,000) · · 30,000 Acquired
Feb. 21, 2020 RBBN Restricted Stock Units (RSUs) Common Stock (30,000) · · 30,000 Disposed
June 17, 2019 RBBN Restricted Stock Units (RSUs) Common Stock (25,975) · · 25,975 Acquired

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

Initial ownership (Form 3) 1 holding

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Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
Nov. 6, 2017 RBBN Common Stock 74,501 Direct