David Mcdonald
Insider
First SEC filing: March 2, 2026 · Latest: March 2, 2026
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 28, 2026 | NUWE | A | 6,744 | · | · | 6,744 Direct | · | Acquired | (price as of 2026-10-05) |
| May 20, 2025 | NUWE | A | 17,496 | · | · | 17,496 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 2, 2024 | NUWE | A | 11,365 | · | · | 11,365 Direct | · | Acquired | (price as of 2026-10-05) |
| March 10, 2011 | DCTH | A | 6,500 | · | · | 47,706 Direct | +15.77% | Acquired | (price as of 2026-10-05) |
| March 10, 2011 | DCTH | A | 30,000 | · | · | 30,000 Direct | · | Acquired | (price as of 2026-10-05) |
| March 12, 2010 | DCTH | F | 8,794 | $5.85 | $51,445 | 41,206 Direct | -17.59% | Disposed | -99.6% (price as of 2026-10-05) |
| Sept. 14, 2009 | DCTH | A | 50,000 | · | · | 50,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Sept. 14, 2009 | DCTH | A | 250,000 | · | · | 250,000 Direct | · | Acquired | (price as of 2026-10-05) |
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 28, 2026 | NUWE | Nonstatutory Stock Option (right to buy) | Common Stock | $1.16 | April 27, 2036 | 6,744 | Acquired |
| May 20, 2025 | NUWE | Nonstatutory Stock Option (right to buy) | Common Stock | $0.96 | May 19, 2035 | 17,496 | Acquired |
| Jan. 2, 2024 | NUWE | Nonstatutory Stock Option (right to buy) | Common Stock | $0.69 | Jan. 1, 2034 | 11,365 | Acquired |
| March 10, 2011 | DCTH | Stock Option (right to buy) | Common Stock | $6.42 | March 10, 2021 | 30,000 | Acquired |
| Sept. 14, 2009 | DCTH | Stock Option (right to buy) | Common Stock | $3.92 | Sept. 14, 2019 | 250,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.