| Insider | Role | Shares | Value | Buys | Sells |
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| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
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| Insider | Role | Shares | Value | Buys | Sells |
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Chief Science Officer
1 company
Donald H Picker is Chief Science Officer at MBRX. Donald H Picker's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $1.4M at current prices.
Net of sales, the MBRX filings show accumulation of 173,333 shares.
Donald H Picker has 17 Form 4 filings on record from October 2017 to October 2026, all as Chief Science Officer at Moleculin Biotech (MBRX), 2017–2026.
The 33 reported transactions were 15 option or other derivative awards, 8 option exercises, 8 tax withholdings and 2 open-market purchases.
There are no priced open-market purchases or sales on record, so none of these filings shows a decision to buy or sell shares in the market.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Aug 3, 2026 | MBRX Moleculin Biotech, Inc. | Chief Science Officer | Buy | 173,333 | $0.00 | - | +23,019% | +2.6% | - |