Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 12 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

12 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
July 23, 2015 DCTH P 91,011 $0.50 $45,506 205,299 Direct +79.63% Acquired -95.6% (price as of 2026-10-06)
July 22, 2015 DCTH P 15,542 $0.50 $7,771 114,288 Direct +15.74% Acquired -95.6% (price as of 2026-10-06)
July 22, 2015 DCTH P 56,100 $0.49 $27,489 98,746 Direct +131.55% Acquired -95.5% (price as of 2026-10-06)
June 1, 2012 DCTH P 20,000 $1.52 $30,400 85,854 Direct +30.37% Acquired -98.6% (price as of 2026-10-06)
June 1, 2012 DCTH P 20,000 $1.52 $30,400 105,854 Direct +23.30% Acquired -98.6% (price as of 2026-10-06)
June 1, 2012 DCTH P 20,000 $1.51 $30,200 125,854 Direct +18.89% Acquired -98.5% (price as of 2026-10-06)
June 1, 2012 DCTH P 5,000 $1.43 $7,150 130,854 Direct +3.97% Acquired -98.5% (price as of 2026-10-06)
Nov. 18, 2009 DCTH P 7,000 $3.60 $25,200 39,000 Direct +21.88% Acquired -99.4% (price as of 2026-10-06)
Nov. 7, 2008 DCTH P 2,000 $1.03 $2,060 32,000 Direct +6.67% Acquired -97.9% (price as of 2026-10-06)
Nov. 7, 2008 DCTH P 2,600 $1.03 $2,678 30,000 Direct +9.49% Acquired -97.9% (price as of 2026-10-06)
Nov. 7, 2008 DCTH P 900 $1.03 $927 27,400 Direct +3.40% Acquired -97.9% (price as of 2026-10-06)
Nov. 7, 2008 DCTH P 2,800 $1.04 $2,912 26,500 Direct +11.81% Acquired -97.9% (price as of 2026-10-06)
Nov. 7, 2008 DCTH P 1,700 $1.01 $1,717 23,700 Direct +7.73% Acquired -97.8% (price as of 2026-10-06)
May 23, 2008 DCTH P 800 $1.77 $1,416 12,000 Direct +7.14% Acquired -98.8% (price as of 2026-10-06)
May 23, 2008 DCTH P 1,000 $1.75 $1,750 11,200 Direct +9.80% Acquired -98.7% (price as of 2026-10-06)
May 23, 2008 DCTH P 6,200 $1.74 $10,788 10,200 Direct +155.00% Acquired -98.7% (price as of 2026-10-06)
May 23, 2008 DCTH P 2,000 $1.69 $3,380 4,000 Direct +100.00% Acquired -98.7% (price as of 2026-10-06)
Oct. 23, 2007 DCTH P 6,000 $1.38 $8,280 12,000 Indirect +100.00% Acquired -98.4% (price as of 2026-10-06)
Oct. 18, 2007 DCTH P 3,000 $2.95 $8,850 6,000 Indirect +100.00% Acquired -99.3% (price as of 2026-10-06)

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 10, 2015 DCTH Stock Option (Right to Buy) Common Stock (30,000) $1.19 June 10, 2025 30,000 Acquired
May 24, 2007 DCTH Nonqualified Stock Option (right to buy) Common Stock (100,000) $5.85 May 24, 2012 100,000 Acquired
May 24, 2007 DCTH Nonqualified Stock Option (right to buy) Common Stock (50,000) $3.90 May 24, 2012 50,000 Acquired

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

Initial ownership (Form 3) 3 holdings

07

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

DateTickerSecuritySharesOwnership
July 24, 2026 NIKI Common Stock 6,024 Direct
May 29, 2007 DCTH Common Stock, par value $0.01 2,000 Direct
May 29, 2007 DCTH Common Stock, par value $0.01 3,000 Indirect