Donald H Picker
CIK 1266800 · View on SEC EDGAR ↗
Insider
First SEC filing: Aug. 8, 2016 · Latest: Aug. 8, 2016
On this page
Insider at
Insider transactions
2 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
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 3, 2026 | MBRX | P | 173,333 | — | — | 174,086 Direct | +23018.99% | Acquired | (price as of 2026-08-20) |
| Aug. 3, 2026 | MBRX | P | 519,999 | — | — | 539,595 Direct | +2653.60% | Acquired | (price as of 2026-08-20) |
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 |
|---|---|---|---|---|---|---|---|
| Aug. 3, 2026 | MBRX | Series I Warrants | Common Stock (519,999) | — | Aug. 3, 2026 | 519,999 | Acquired |
| June 22, 2026 | MBRX | Restricted Stock Units | Common Stock (50) | — | — | 71 | Disposed |
| June 20, 2026 | MBRX | Restricted Stock Units | Common Stock (44) | — | — | 44 | Disposed |
| June 6, 2018 | MBRX | Stock option (right to buy) | Common stock (75,000) | $1.82 | June 6, 2028 | 75,000 | Acquired |
| Oct. 3, 2017 | MBRX | Stock option (right to buy) | Common stock (60,000) | $2.49 | Oct. 3, 2027 | 60,000 | 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.