ZBIO: Congress and insider trades
Who in Congress and inside the company traded ZBIO, when each filing appeared, and what buying after each one would have earned against the S&P 500.
Key Facts
- ZBIO is a listed stock.
- Insiders filed 7 open market buys worth $6.7M and 0 sells worth $0, the latest filed 2026-04-29 (29 April 2026).
- 1 cluster buy of ZBIO by three or more insiders within 30 days.
- Across 5 scored buys, Insiders averaged +21.1% 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).
Insider trades in ZBIO
as of 2026-04-29| Filed | Insider | Type | Shares | Price | Value | 90 day vs S&P |
|---|---|---|---|---|---|---|
| 29 Apr 2026 | MOULDER LEON O JR | buy | 35,000 | $17.62 | $617K | +59.2% |
| 29 Apr 2026 | MOULDER LEON O JR | buy | 25,000 | $18.02 | $451K | +59.2% |
| 2 Apr 2026 | Lu Hongbo | buy | 3,768 | $18.63 | $70.2K | +9.0% |
| 1 Apr 2026 | Fairmount Funds Management LLC | buy | 150,000 | $20.00 | $3.0M | +16.5% |
| 31 Mar 2026 | Lu Hongbo | buy | 75,000 | $20.00 | $1.5M | +10.4% |
| 31 Mar 2026 | MOULDER LEON O JR | buy | 34,000 | $19.31 | $657K | +10.4% |
| 31 Mar 2026 | MOULDER LEON O JR | buy | 20,000 | $18.23 | $365K | +10.4% |
Nothing matches that search.
Cluster buys in ZBIO
| Last filed | Stock | Insiders | Trades | Total value | Days spanned | 90 day vs S&P |
|---|---|---|---|---|---|---|
| 29 Apr 2026 | ZBIO | 3 | 7 | $6.7M | 29 | +59.2% |
Related pages
Frequently asked questions
Who has bought ZBIO?
0 Congress buys by 0 members and 7 insider buys are on file. The tables on this page list every one.
Did buying ZBIO after a disclosure beat the market?
Across 5 scored buys, Insiders averaged +21.1% 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. A single stock is a small sample.
Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. 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.