ZBIOZenas BioPharma, Inc.
Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-05-19.
Insider buys (90d)
$2.08M
Insider sells (90d)
$0.00
Net flow
$2.08M
Filings
2
Buy transactions
3
Sell transactions
0
Distinct insiders
1
Last close (cached)
$17.47
as of 2026-06-05
1d return
-5.0%
5d return
-5.1%
1m return
-16.1%
Top insiders trading ZBIO (90d)
Recent transactions (3)
| Filed | Txn date | Insider | Code | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-05-19 | 2026-05-18 | MOULDER LEON O JR OfficerDirector | Buy | 60,000 | $16.88 | $1.01M | open → |
| 2026-04-30 | 2026-04-29 | MOULDER LEON O JR OfficerDirector | Buy | 35,000 | $17.62 | $616.7K | open → |
| 2026-04-30 | 2026-04-28 | MOULDER LEON O JR OfficerDirector | Buy | 25,000 | $18.02 | $450.5K | open → |
Want an email the moment a new insider transaction is filed on ZBIO? Set up an alert → Watch4Insider delivers SEC Form 4 alerts with a sub-60s p95 SLA.