Lu Hongbo Insider Trading Activity
Lu Hongbo has been net-buying over the last 12 months with 4 purchases and 1 sale across 2 different companies.
ZBIO is the most-traded position with 4 trades. The largest single transaction was a purchase of ZBIO for $5.0M on Oct 7, 2025.
Performance Scorecard
Forward stock performance after each transaction by Lu Hongbo. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | +17.7% | +3.1% | 83% | 6 |
| 90 days | -1.6% | — | 40% | 5 |
| 120 days | -18.5% | — | 33% | 3 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
May 12, 2026 | ARWR | Sell | 2,970 | $76.88 | $228K | −5.4% | Director | |
Mar 31, 2026 | ZBIO | Buy | 75,000 | $20.00 | $1.5M | +21.6% | Director | |
Mar 31, 2026 | ZBIO | Buy | 3,768 | $18.63 | $70K | +0.9% | Director | |
Feb 11, 2026 | ZBIO | Buy | 25,985 | $22.50 | $585K | +8.1% | Director | |
Oct 7, 2025 | ZBIO | Buy | 263,160 | $19.00 | $5.0M | +447.4% | Director | |
Sep 13, 2024 ⚠ Filed 279d late | ZBIO | Buy | 58,823 | $17.00 | $1000K | — | Director |
Top Companies Traded
Other insiders at Zenas BioPharma, Inc.
2 other tracked filers at ZBIO.