Insider at

04

Insider transactions

05
0 buys (P) 1 sells (S) Net: $-237 + 28 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

28 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Dec. 30, 2025 MBIO S 247 $0.96 $237 145 Direct -63.01% Disposed -50.9% (price as of 2026-10-02)
Nov. 23, 2018 MBIO P 1,000 $3.96 $3,960 71,000 Direct +1.43% Acquired -100.0% (price as of 2026-10-02)
Dec. 6, 2012 TGTX P 1,000 $2.00 $2,000 51,265 Indirect +1.99% Acquired 2614.5% (price as of 2026-10-02)
March 30, 2007 TGTX P 19,444 · · 19,444 Indirect · Acquired (price as of 2026-10-02)
March 30, 2007 TGTX P 55,555 $0.90 $50,000 77,288 Indirect +255.63% Acquired -97.9% (price as of 2026-10-02)
July 18, 2006 TGTX P 2,500 $0.61 $1,525 10,000 Direct +33.33% Acquired -96.8% (price as of 2026-10-02)
July 13, 2006 TGTX P 2,500 $0.68 $1,700 7,500 Direct +50.00% Acquired -97.2% (price as of 2026-10-02)
July 11, 2006 TGTX P 4,500 $0.71 $3,195 5,000 Direct +900.00% Acquired -97.3% (price as of 2026-10-02)
July 10, 2006 TGTX P 500 $0.73 $365 500 Direct · Acquired -97.4% (price as of 2026-10-02)
Jan. 10, 2006 TGTX P 14,200 $1.30 $18,460 21,700 Indirect +189.33% Acquired -98.5% (price as of 2026-10-02)
April 27, 2005 TGTX P 5,000 $1.21 $6,050 7,500 Indirect +200.00% Acquired -98.4% (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
March 3, 2010 TGTX Stock Options Common Stock (300,000) $0.07 March 2, 2020 300,000 Acquired
Sept. 11, 2008 TGTX Warrant Common Stock (24,000) $0.20 Sept. 10, 2013 24,000 Acquired
March 25, 2008 TGTX Stock Options Common Stock (75,000) $0.17 March 25, 2018 75,000 Acquired
March 30, 2007 TGTX Warrant Common Stock (19,444) $1.00 March 30, 2012 19,444 Acquired
Jan. 30, 2007 TGTX Director Stock Option [F4] Common Stock (50,000) $0.71 Jan. 30, 2017 50,000 Acquired
Aug. 26, 2005 TGTX Series A Convertible Preferred Stock Common Stock (4,859) · · 4,859 Disposed
Jan. 11, 2005 TGTX Director Stock Option [F7] Commn Stock (11,010) $1.00 Jan. 11, 2015 11,010 Acquired
Sept. 27, 2004 TGTX Stock Options Common Stock (80,000) $0.97 Sept. 27, 2014 80,000 Acquired

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

Initial ownership (Form 3) 4 holdings

07

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

DateTickerSecuritySharesOwnership
June 30, 2017 MBIO Common Stock (Restricted) 50,000 Direct
June 30, 2017 MBIO Common Stock (Restricted) 10,000 Direct
Sept. 8, 2004 TGTX Common Stock 2,500 Indirect
Sept. 8, 2004 TGTX Series A Convertible Preferred Stock→ Common Stock · Indirect