Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 6 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
April 17, 2007 RIOT X 969,859 $1.35 $1,309,310 0 Indirect -100.00% Disposed 1361.5% (price as of 2026-10-02)
April 17, 2007 RIOT X 58,000 $1.35 $78,300 0 Direct -100.00% Disposed 1361.5% (price as of 2026-10-02)
April 17, 2007 RIOT X 969,859 $1.35 $1,309,310 2,044,728 Indirect +90.23% Acquired 1361.5% (price as of 2026-10-02)
April 17, 2007 RIOT X 58,000 $1.35 $78,300 258,457 Direct +28.93% Acquired 1361.5% (price as of 2026-10-02)
Nov. 23, 2005 RIOT J 45,507 · · 1,074,869 Indirect +4.42% Acquired (price as of 2026-10-02)
Nov. 23, 2005 RIOT J 2,721 · · 200,457 Direct +1.38% 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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
April 17, 2007 RIOT Common Stock Warrants (right to buy) Common Stock (969,859) $1.35 May 6, 2010 969,859 Disposed
April 17, 2007 RIOT Common Stock Warrants (right to buy) Common Stock (58,000) $1.35 May 6, 2010 58,000 Disposed

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

Initial ownership (Form 3) 6 holdings

07

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

DateTickerSecuritySharesOwnership
May 16, 2005 RIOT Common Stock 255,736 Direct
May 16, 2005 RIOT Common Stock 4,468 Indirect
May 16, 2005 RIOT Common Stock 8,273 Indirect
May 16, 2005 RIOT Common Stock 1,029,362 Indirect
May 16, 2005 RIOT Warrant (Right to Buy)→ Common Stock (58,000) 58,000 Direct
May 16, 2005 RIOT Warrant (Right to Buy)→ Common Stock (969,858) 969,858 Indirect