Hongbo Lu: insider trades

Every open market trade Hongbo Lu has filed with the SEC, when each filing appeared, and how the buys did against the S&P 500 once the filing was public.

Key Facts

  • Hongbo Lu is listed as Director at ZBIO.
  • Between 2026-03-31 (31 March 2026) and 2026-04-02 (2 April 2026) Hongbo Lu filed 2 open market buys worth $1.6M and 0 open market sales worth $0.
  • Across 2 scored buys, Hongbo Lu averaged +9.7% against the S&P 500 (SPY) over the 90 days after disclosure, with 100% of them ahead of the index. That result is too few trades to tell.
  • Data as of 2026-09-29 (29 September 2026).
Open market buys 2 $1.6M
Open market sales 0 $0
Avg vs S&P, 90d +9.7% 2 scored buys
Beat the S&P 100% 90 days after entry

Would copying Hongbo Lu have paid?

prices as of 2026-09-28

The result. Across 2 scored buys, Hongbo Lu averaged +9.7% against the S&P 500 (SPY) over the 90 days after disclosure, with 100% of them ahead of the index. That result is too few trades to tell.

Average return of Hongbo Lu's open market buys against the S&P 500.
Days after entryScored buysAvg vs S&PBeat S&PEntry monthst statisticReading
30 days 2 -16.3% 0% 1 n/a too few trades to tell
90 days 2 +9.7% 100% 1 n/a too few trades to tell
180 days 1 +17.9% 100% 1 n/a too few trades to tell

A return curve needs at least 10 scored buys. Hongbo Lu does not have enough yet.

Stocks traded

  1. ZBIO2 trades, $1.6M

Every open market trade

as of 2026-09-29
2 trades.
Open market trades filed by Hongbo Lu, newest first.
FiledStockTypeSharesPriceValue90 day vs S&P
2 Apr 2026 ZBIO buy 3,768 $18.63 $70.2K +9.0%
31 Mar 2026 ZBIO buy 75,000 $20.00 $1.5M +10.4%

Insider sales are shown but not scored, because they are often planned for tax or diversification reasons.

Frequently asked questions

What has Hongbo Lu bought and sold?

Between 2026-03-31 (31 March 2026) and 2026-04-02 (2 April 2026) Hongbo Lu filed 2 open market buys worth $1.6M and 0 open market sales worth $0.

Did Hongbo Lu's buys beat the market?

Across 2 scored buys, Hongbo Lu averaged +9.7% against the S&P 500 (SPY) over the 90 days after disclosure, with 100% of them ahead of the index. That result is too few trades to tell. Insider sales are not scored because they are often planned for tax or diversification reasons.

Sources: Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.

Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.