| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Director
3 companies
Lu Hongbo serves as a Director at ZBIO and has filed Form 4s across 3 companies. Across recent SEC filings that breaks down to 16 buys and 1 sell. Those positions are worth an estimated $14.5M at current prices.
Historically, Lu Hongbo's trades have earned a middling insider score of 59/100 across 11 rated trades. Over a 12-month horizon, 50.0% of those trades were profitable, with an average 12-month return of +2.3%.
The biggest single holding is ZBIO (~$8.5M) as Director. Net of sales, the recent Form 4 record there shows accumulation of 485,559 shares.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| May 12, 2026 | ARWR Arrowhead Pharmaceuticals, Inc. | Director | Sell | 2,970 | $76.88 | $228,333.60 | -5.4% | - | - | |
| Mar 31, 2026 | ZBIO Zenas Biopharma, Inc. | Director | Buy | 75,000 | $20.00 | $1,500,000.00 | +21.6% | +32.3% | - | |
| Mar 31, 2026 | ZBIO Zenas Biopharma, Inc. | Director | Buy | 3,768 | $18.63 | $70,197.84 | +0.9% | +32.3% | - | |
| Feb 11, 2026 | ZBIO Zenas Biopharma, Inc. | Director | Buy | 25,985 | $22.50 | $584,662.50 | +8.1% | - | - | |
| Oct 7, 2025 | ZBIO Zenas Biopharma, Inc. | Director | Buy | 321,983 | $18.63 | $6,000,031.00 | New | -20.3% | - | |
| Sep 13, 2024 | ZBIO Zenas Biopharma, Inc. | Director | Buy | 58,823 | $17.00 | $999,991.00 | New | -49.0% | +11.5% | |
| Sep 12, 2024 | TERN Terns Pharmaceuticals, Inc. | Director | Buy | 476,190 | $10.50 | $4,999,995.00 | New | -29.5% | -24.0% | |
| Mar 20, 2024 | ARWR Arrowhead Pharmaceuticals, Inc. | Director | Buy | 3,000 | $27.66 | $82,990.00 | +9.8% | -16.3% | -46.3% | |
| Dec 23, 2022 | TERN Terns Pharmaceuticals, Inc. | Director | Buy | 758,620 | $7.25 | $5,499,995.00 | +21.2% | +10.3% | -20.5% | |
| Sep 7, 2022 | TERN Terns Pharmaceuticals, Inc. | Director | Buy | 600,000 | $3.60 | $2,160,000.00 | +20.1% | +54.2% | +37.6% |