Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 35 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

35 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Dec. 16, 2019 RBBN S 10b5-1 1,391 $2.80 $3,895 91,515 Direct -1.50% Disposed -36.8% (price as of 2026-10-02)
Nov. 15, 2019 RBBN S 10b5-1 4,180 $2.99 $12,498 88,740 Direct -4.50% Disposed -40.8% (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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
June 11, 2026 PLUG Stock Option (Right to Buy) [F2] Common Stock (39,753) $2.83 June 11, 2036 39,753 Acquired
July 3, 2025 PLUG Stock Option (Right to Buy) [F2] Common Stock (76,531) $1.47 July 3, 2035 76,531 Acquired
June 5, 2024 PLUG Stock Option (Right to Buy) [F2] Common Stock (37,375) $3.01 June 5, 2034 37,375 Acquired
July 10, 2023 PLUG Stock Option (Right to Buy) [F1] Common Stock (20,548) $10.95 July 10, 2033 20,548 Acquired
March 16, 2020 RBBN Restricted Stock Units Common Stock (81,019) · · 81,019 Acquired
Feb. 28, 2020 RBBN Restricted Stock Units Common Stock (2,045) · · 2,045 Acquired
Dec. 16, 2019 RBBN Restricted Stock Units Common Stock (4,166) · · 4,166 Disposed
June 17, 2019 RBBN Restricted Stock Units (RSUs) Common Stock (8,334) · · 8,334 Disposed
June 17, 2019 RBBN Restricted Stock Units (RSUs) Common Stock (37,879) · · 37,879 Acquired
March 15, 2019 RBBN Performance-Based Restricted Stock Units (PSUs) Common Stock (13,410) · Dec. 31, 2021 13,410 Acquired
June 15, 2018 RBBN Restricted Stock Units (RSUs) Common Stock · · 25,000 Acquired

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

Initial ownership (Form 3) 1 holding

07

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

DateTickerSecuritySharesOwnership
Nov. 6, 2017 RBBN Common Stock 16,939 Direct