Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 8 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

8 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Jan. 7, 2016 WKHS P 981 $6641.00 $6,514,821 2,527,513 Direct +0.04% Acquired -100.0% (price as of 2026-10-02)
Dec. 4, 2015 WKHS P 91,624 $5.28 $483,775 91,624 Direct · Acquired -100.0% (price as of 2026-10-02)
Dec. 4, 2015 WKHS P 91,624 $320684.00 $29,382,350,816 2,526,532 Direct +3.76% Acquired -100.0% (price as of 2026-10-02)
Nov. 9, 2015 WKHS P 142,857 $5.28 $754,285 142,857 Direct · Acquired -100.0% (price as of 2026-10-02)
Nov. 9, 2015 WKHS P 142,857 $500000.00 $71,428,500,000 2,434,908 Direct +6.23% Acquired -100.0% (price as of 2026-10-02)
Aug. 7, 2015 WKHS P 1,724,138 $500000.00 $862,069,000,000 22,920,506 Direct +8.13% Acquired -100.0% (price as of 2026-10-02)
March 24, 2015 WKHS P 1,474,600 $206444.00 $304,422,322,400 21,196,368 Direct +7.48% Acquired -100.0% (price as of 2026-10-02)
March 17, 2015 WKHS P 344,827 $100000.00 $34,482,700,000 19,721,768 Direct +1.78% Acquired -100.0% (price as of 2026-10-02)
Dec. 8, 2014 WKHS P 714,286 $0.14 $100,000 714,286 Direct · Acquired -99.9% (price as of 2026-10-02)
May 23, 2014 WKHS P 4,500,000 $450000.00 $2,025,000,000,000 19,376,941 Direct +30.25% Acquired -100.0% (price as of 2026-10-02)
March 27, 2014 WKHS P 7,500,000 $750000.00 $5,625,000,000,000 14,876,941 Direct +101.67% Acquired -100.0% (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
Dec. 4, 2015 WKHS COMMON STOCK PURCHASE WARRANT COMMON STOCK, PAR VALUE $0.001 (91,624) $5.28 Dec. 4, 2020 91,624 Acquired
Nov. 9, 2015 WKHS COMMON STOCK PURCHASE WARRANT COMMON STOCK, PAR VALUE $0.001 (142,857) $5.28 Nov. 9, 2020 142,857 Acquired
Dec. 8, 2014 WKHS COMMON STOCK PURCHASE WARRANT COMMON STOCK, PAR VALUE $0.001 (714,286) $0.14 Dec. 7, 2017 714,286 Acquired
March 13, 2013 WKHS Common Stock Purchase Warrant Common Stock, Par Value $0.001 $0.40 March 13, 2016 1,250,000 Acquired

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

Initial ownership (Form 3) 12 holdings

07

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

DateTickerSecuritySharesOwnership
March 6, 2013 WKHS Common Stock, $0.001 par value per share 6,041,941 Direct
March 6, 2013 WKHS Common Stock, $0.001 par value per share 310,000 Indirect
March 6, 2013 WKHS Common Stock Purchase Warrant→ Common Stock, Par Value $0.001 (83,334) 83,334 Direct
March 6, 2013 WKHS Common Stock Purchase Warrant→ Common Stock, Par Value $0.001 (125,000) 125,000 Direct
March 6, 2013 WKHS Common Stock Purchase Warrant→ Common Stock, Par Value $0.001 (150,000) 150,000 Direct
March 6, 2013 WKHS Common Stock Purchase Warrant→ Common Stock, Par Value $0.001 (50,000) 50,000 Direct
March 6, 2013 WKHS Common Stock Purchase Warrant→ Common Stock, Par Value $0.001 (100,000) 100,000 Direct
March 6, 2013 WKHS Common Stock Purchase Warrant→ Common Stock, Par Value $0.001 (250,000) 250,000 Direct
Jan. 11, 2013 WKHS Common Stock, $0.001 par value per share 5,541,941 Direct
Jan. 11, 2013 WKHS Common Stock, $0.001 par value per share 310,000 Indirect
Jan. 11, 2013 WKHS Common Stock Purchase Warrant→ Common Stock, Par Value $0.001 (125,000) 125,000 Direct
Jan. 11, 2013 WKHS Common Stock Purchase Warrant→ Common Stock, Par Value $0.001 (83,334) 83,334 Direct