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Are Moleculin Biotech Insiders Buying or Selling?
Moleculin Biotech (MBRX) has had 5 insider transactions in the past 90 days, all buys — insider buying is generally read as a bullish signal. The most recent was Jonathan Foster, who bought 879,999 shares at $0.00 on August 3, 2026.
Insider trading patterns can signal confidence or concern from the people who know the company best. AltIndex tracks insider transactions as one of 25+ alternative data signals in the MBRX AI Score. For government officials trading this stock, see MBRX congressional trading.
Who’s Trading Moleculin Biotech Stock?
| Insider | Activity | Trades | Last Trade |
|---|---|---|---|
| WALTER KLEMP | Bought $250,000 | 3 | Aug 3, 2026 |
| Jonathan Foster | Bought $100,000 | 4 | Aug 3, 2026 |
| DONALD PICKER | Mixed $0 | 2 | Aug 3, 2026 |
Recent Moleculin Biotech Insider Transactions
| Insider | Transaction Date | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Jonathan Foster | Aug 3, 2026 | Buy | 879,999 | $0 | $0 |
| Jonathan Foster | Aug 3, 2026 | Buy | 293,333 | $0 | $0 |
| WALTER KLEMP | Aug 3, 2026 | Buy | 533,333 | $0 | $0 |
| DONALD PICKER | Aug 3, 2026 | Buy | 519,999 | $0 | $0 |
| DONALD PICKER | Aug 3, 2026 | Buy | 173,333 | $0 | $0 |
| WALTER KLEMP | Jun 23, 2025 | Buy | 2,027,025 | $0 | $0 |
| Jonathan Foster | Jun 23, 2025 | Buy | 810,810 | $0 | $0 |
| Jonathan Foster | Jun 23, 2025 | Buy | 270,270 | $0.37 | $100,000 |
| WALTER KLEMP | Jun 23, 2025 | Buy | 675,675 | $0.37 | $250,000 |
Frequently Asked Questions: Moleculin Biotech Insider Trading
In the past 90 days, Moleculin Biotech insiders have made 5 buys and 0 sells. The net buying may indicate insider confidence in the company’s outlook.
Insider buying is generally a stronger signal than insider selling, since insiders may sell for personal reasons (diversification, taxes) but typically buy only when they believe the stock is undervalued. AltIndex uses insider transaction patterns alongside 25+ other signals in the AI Score.
KLEMP WALTER V has bought the most MBRX stock in the last 2 years, with a total value of $250,000.
According to our estimates, the total value of insider transactions for Moleculin Biotech in the last 2 years is positive, amounting to $350,000. This indicates that insiders have predominantly bought shares, showcasing their confidence in the company's future prospects.
