Daniel Isdaner
CIK 1163000 · View on SEC EDGAR ↗
Insider
First SEC filing: Nov. 3, 2003 · Latest: Nov. 3, 2003
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 64 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.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| April 16, 2007 | DCTH | M | 40,000 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-19) |
| April 16, 2007 | DCTH | M | 70,000 | — | — | 40,000 Direct | -63.64% | Disposed | (price as of 2026-08-19) |
| April 16, 2007 | DCTH | F | 28,443 | $4.69 | $133,398 | 253,668 Direct | +12.63% | Acquired | -99.5% (price as of 2026-08-19) |
| April 16, 2007 | DCTH | M | 40,000 | $3.28 | $131,200 | 225,225 Direct | +21.60% | Acquired | -99.3% (price as of 2026-08-19) |
| April 16, 2007 | DCTH | M | 70,000 | $3.59 | $251,300 | 225,225 Direct | +45.10% | Acquired | -99.3% (price as of 2026-08-19) |
| Nov. 14, 2006 | DCTH | A | 40,000 | — | — | 110,000 Direct | +57.14% | Acquired | (price as of 2026-08-19) |
| Nov. 14, 2006 | DCTH | A | 40,000 | — | — | 110,000 Direct | +57.14% | Acquired | (price as of 2026-08-19) |
| Sept. 25, 2006 | DCTH | J | 0 | — | — | 225,225 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| Sept. 25, 2006 | DCTH | J | 0 | — | — | 225,225 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| Sept. 25, 2006 | DCTH | X | 70,000 | $2.78 | $194,600 | 225,225 Direct | +45.10% | Acquired | -99.1% (price as of 2026-08-19) |
| Dec. 20, 2005 | DCTH | X | 30,000 | $0.85 | $25,500 | 155,225 Direct | +23.96% | Acquired | -97.1% (price as of 2026-08-19) |
| Dec. 20, 2005 | DCTH | X | 75,000 | $1.03 | $77,250 | 155,225 Direct | +93.49% | Acquired | -97.6% (price as of 2026-08-19) |
| Dec. 20, 2005 | DCTH | X | 30,000 | — | — | 140,000 Direct | -17.65% | Disposed | (price as of 2026-08-19) |
| Dec. 20, 2005 | DCTH | X | 75,000 | — | — | 140,000 Direct | -34.88% | Disposed | (price as of 2026-08-19) |
| Dec. 13, 2005 | DCTH | X | 7,500 | $2.75 | $20,625 | 50,225 Direct | +17.55% | Acquired | -99.1% (price as of 2026-08-19) |
| Dec. 13, 2005 | DCTH | X | 7,500 | — | — | 245,000 Direct | -2.97% | Disposed | (price as of 2026-08-19) |
| Nov. 8, 2005 | DCTH | J | 0 | — | — | 110,000 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| Nov. 8, 2005 | DCTH | J | 0 | — | — | 110,000 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| Nov. 8, 2005 | DCTH | J | 0 | — | — | 70,000 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| Nov. 8, 2005 | DCTH | J | 0 | — | — | 140,000 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| Nov. 8, 2005 | DCTH | J | 0 | — | — | 245,000 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| Nov. 8, 2005 | DCTH | A | 70,000 | — | — | 252,500 Direct | +38.36% | Acquired | (price as of 2026-08-19) |
| Sept. 25, 2005 | DCTH | X | 70,000 | — | — | 70,000 Direct | -50.00% | Disposed | (price as of 2026-08-19) |
| Sept. 9, 2005 | DCTH | J | 7,500 | — | — | 252,500 Direct | -2.88% | Disposed | (price as of 2026-08-19) |
| Sept. 9, 2005 | DCTH | J | 7,500 | — | — | 252,500 Direct | +3.06% | Acquired | (price as of 2026-08-19) |
| Sept. 9, 2005 | DCTH | J | 7,500 | — | — | 175,000 Direct | -4.11% | Disposed | (price as of 2026-08-19) |
| Sept. 9, 2005 | DCTH | J | 7,500 | — | — | 182,500 Direct | +4.29% | Acquired | (price as of 2026-08-19) |
| July 7, 2005 | DCTH | J | 0 | — | — | 140,000 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| July 7, 2005 | DCTH | J | 0 | — | — | 245,000 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| July 7, 2005 | DCTH | J | 0 | — | — | 42,725 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| July 7, 2005 | DCTH | J | 0 | — | — | 252,500 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| July 7, 2005 | DCTH | J | 0 | — | — | 42,725 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| July 7, 2005 | DCTH | J | 0 | — | — | 182,500 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| July 7, 2005 | DCTH | A | 4,725 | — | — | 42,725 Direct | +12.43% | Acquired | (price as of 2026-08-19) |
| July 7, 2005 | DCTH | A | 70,000 | — | — | 182,500 Direct | +62.22% | Acquired | (price as of 2026-08-19) |
| April 5, 2005 | DCTH | J | 0 | — | — | 38,000 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| April 5, 2005 | DCTH | J | 140,000 | — | — | 112,500 Direct | -55.45% | Disposed | (price as of 2026-08-19) |
| March 22, 2005 | DCTH | J | 0 | — | — | 38,000 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| March 22, 2005 | DCTH | A | 140,000 | — | — | 252,500 Direct | +124.44% | Acquired | (price as of 2026-08-19) |
| Feb. 28, 2005 | DCTH | M | 30,000 | $0.71 | $21,300 | 38,000 Direct | +375.00% | Acquired | -96.5% (price as of 2026-08-19) |
| Feb. 28, 2005 | DCTH | X | 30,000 | — | — | 112,500 Direct | -21.05% | Disposed | (price as of 2026-08-19) |
| Aug. 25, 2003 | DCTH | J | 0 | — | — | 245,000 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| Aug. 25, 2003 | DCTH | J | 0 | — | — | 252,500 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| Aug. 25, 2003 | DCTH | J | 0 | — | — | 182,500 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| Aug. 25, 2003 | DCTH | J | 0 | — | — | 182,500 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| Aug. 25, 2003 | DCTH | J | 0 | — | — | 112,500 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| Aug. 25, 2003 | DCTH | J | 0 | — | — | 252,500 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| Aug. 25, 2003 | DCTH | J | 0 | — | — | 112,500 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| Aug. 25, 2003 | DCTH | A | 75,000 | — | — | 142,500 Direct | +111.11% | Acquired | (price as of 2026-08-19) |
| Aug. 25, 2003 | DCTH | J | 0 | — | — | 8,000 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| Sept. 19, 2002 | DCTH | J | 0 | — | — | 142,500 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| Dec. 17, 2001 | DCTH | J | 0 | — | — | 245,000 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| Dec. 17, 2001 | DCTH | J | 0 | — | — | 252,500 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| Dec. 17, 2001 | DCTH | J | 0 | — | — | 182,500 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| Dec. 17, 2001 | DCTH | J | 0 | — | — | 182,500 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| Dec. 17, 2001 | DCTH | J | 0 | — | — | 112,500 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| Dec. 17, 2001 | DCTH | J | 0 | — | — | 252,500 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| Dec. 17, 2001 | DCTH | J | 0 | — | — | 112,500 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| Dec. 17, 2001 | DCTH | J | 0 | — | — | 142,500 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| Oct. 30, 2001 | DCTH | J | 0 | — | — | 182,500 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| Oct. 30, 2001 | DCTH | J | 0 | — | — | 112,500 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| Oct. 30, 2001 | DCTH | J | 0 | — | — | 252,500 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| Oct. 30, 2001 | DCTH | J | 0 | — | — | 112,500 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| Oct. 30, 2001 | DCTH | J | 0 | — | — | 142,500 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
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.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| April 16, 2007 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (40,000) | $3.28 | Nov. 14, 2011 | 40,000 | Disposed |
| April 16, 2007 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (70,000) | $3.59 | Nov. 8, 2010 | 70,000 | Disposed |
| Nov. 14, 2006 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (40,000) | $3.28 | Nov. 14, 2011 | 40,000 | Acquired |
| Nov. 14, 2006 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (40,000) | $3.28 | Nov. 14, 2011 | 40,000 | Acquired |
| Dec. 20, 2005 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (30,000) | $0.85 | Dec. 17, 2006 | 30,000 | Disposed |
| Dec. 20, 2005 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (75,000) | $1.03 | Aug. 25, 2008 | 75,000 | Disposed |
| Dec. 13, 2005 | DCTH | Warrant to Purchase | Common Stock (0) | $2.75 | Dec. 31, 2005 | 7,500 | Disposed |
| Nov. 8, 2005 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (70,000) | $3.59 | Nov. 8, 2010 | 0 | Acquired |
| Nov. 8, 2005 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (70,000) | $3.59 | Nov. 8, 2010 | 0 | Acquired |
| Nov. 8, 2005 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (70,000) | $3.59 | Nov. 8, 2010 | 0 | Acquired |
| Nov. 8, 2005 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (70,000) | $3.59 | Nov. 8, 2010 | 0 | Acquired |
| Nov. 8, 2005 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (70,000) | $3.59 | Nov. 8, 2010 | 0 | Acquired |
| Nov. 8, 2005 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (70,000) | $3.59 | Nov. 8, 2010 | 70,000 | Acquired |
| Sept. 25, 2005 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (70,000) | $2.78 | July 7, 2010 | 70,000 | Disposed |
| Sept. 9, 2005 | DCTH | Warrant to Purchase | Common Stock (7,500) | $6.60 | Oct. 18, 2005 | 7,500 | Disposed |
| Sept. 9, 2005 | DCTH | Warrant to Purchase | Common Stock (7,500) | $2.75 | Dec. 31, 2005 | 7,500 | Acquired |
| Sept. 9, 2005 | DCTH | Warrant to Purchase | Common Stock (7,500) | $6.60 | Oct. 18, 2005 | 7,500 | Disposed |
| Sept. 9, 2005 | DCTH | Warrant to Purchase | Common Stock (7,500) | $2.75 | Dec. 31, 2005 | 7,500 | Acquired |
| July 7, 2005 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (70,000) | $2.78 | July 7, 2010 | 0 | Acquired |
| July 7, 2005 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (70,000) | $2.78 | July 7, 2010 | 0 | Acquired |
| July 7, 2005 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (70,000) | $2.78 | July 7, 2010 | 0 | Acquired |
| July 7, 2005 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (70,000) | $2.78 | July 7, 2010 | 0 | Acquired |
| July 7, 2005 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (70,000) | $2.78 | July 7, 2010 | 70,000 | Acquired |
| April 5, 2005 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (0) | $2.02 | — | 140,000 | Disposed |
| March 22, 2005 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (140,000) | $2.02 | Nov. 3, 2009 | 140,000 | Acquired |
| Feb. 28, 2005 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (0) | $0.71 | Sept. 19, 2007 | 30,000 | Disposed |
| Aug. 25, 2003 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (75,000) | $1.03 | Aug. 25, 2008 | 0 | Acquired |
| Aug. 25, 2003 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (75,000) | $1.03 | Aug. 25, 2008 | 0 | Acquired |
| Aug. 25, 2003 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (75,000) | $1.03 | Aug. 25, 2008 | 0 | Acquired |
| Aug. 25, 2003 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (75,000) | $1.03 | Aug. 25, 2008 | 0 | Acquired |
| Aug. 25, 2003 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (75,000) | $1.03 | Aug. 25, 2008 | 0 | Acquired |
| Aug. 25, 2003 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (75,000) | $1.03 | Aug. 25, 2008 | 0 | Acquired |
| Aug. 25, 2003 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (75,000) | $1.03 | Aug. 25, 2008 | 0 | Acquired |
| Aug. 25, 2003 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (75,000) | $1.03 | Aug. 25, 2008 | 75,000 | Acquired |
| Sept. 19, 2002 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (30,000) | $0.71 | Sept. 19, 2007 | 0 | Acquired |
| Dec. 17, 2001 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (30,000) | $0.85 | Dec. 17, 2006 | 0 | Acquired |
| Dec. 17, 2001 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (30,000) | $0.85 | Dec. 17, 2006 | 0 | Acquired |
| Dec. 17, 2001 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (30,000) | $0.85 | Dec. 17, 2006 | 0 | Acquired |
| Dec. 17, 2001 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (30,000) | $0.85 | Dec. 17, 2006 | 0 | Acquired |
| Dec. 17, 2001 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (30,000) | $0.85 | Dec. 17, 2006 | 0 | Acquired |
| Dec. 17, 2001 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (30,000) | $0.85 | Dec. 17, 2006 | 0 | Acquired |
| Dec. 17, 2001 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (30,000) | $0.85 | Dec. 17, 2006 | 0 | Acquired |
| Dec. 17, 2001 | DCTH | Nonqualified Stock Option (right to buy) | Common Stock (30,000) | $0.85 | Dec. 17, 2006 | 0 | Acquired |
| Oct. 30, 2001 | DCTH | Warrant to Purchase | Common Stock (7,500) | $6.60 | Oct. 18, 2005 | 0 | Acquired |
| Oct. 30, 2001 | DCTH | Warrant to Purchase | Common Stock (7,500) | $6.60 | Oct. 18, 2005 | 0 | Acquired |
| Oct. 30, 2001 | DCTH | Warrant to Purchase | Common Stock (7,500) | $6.60 | Oct. 18, 2005 | 0 | Acquired |
| Oct. 30, 2001 | DCTH | Warrant to Purchase | Common Stock (7,500) | $6.60 | Oct. 18, 2005 | 0 | Acquired |
| Oct. 30, 2001 | DCTH | Warrant to Purchase | Common Stock (7,500) | $6.60 | Oct. 18, 2005 | 0 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).