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Insider filing · ZBIO

Hongbo Lu bought $585K of Zenas BioPharma (ZBIO)

Executed Feb 11, disclosed Feb 13, 2 days later.

Value, as filed
$585K
25,985 sh × $22.50
Executed
Feb 11
the trade date, as filed
Disclosed
Feb 13
2 days after the trade
Return, 21 sessionsiFrom the disclosed entry session; derived
-9.3%
+15.7% from execution

Over the 21 trading sessions from the disclosed entry session (Feb 13), the stock returned -9.3% (delay-adjusted); from the execution session (Feb 11), +15.7%. Derived: entry at the session's open, exit at the close 20 sessions later.

The filer
HL Hongbo Lu Director profile →

Hongbo Lu (Director) filed 4 Form 4 reports in the trailing twelve months (3 purchases, 1 sale, 1 filed past the two-business-day deadline), most often in Zenas BioPharma, Inc. (ZBIO). Across 3 priced purchase filings, the average 21-session return was +1.6% from execution and +2.9% from disclosure (delay-adjusted; derived). The largest single filing was $1.5M of ZBIO (75,000 sh × $20.00, as filed), executed Mar 31.

The name
ZBIO Zenas BioPharma, Inc. ZBIO · Healthcare · 18 filings in 24 months ticker →

Healthcare · Zenas BioPharma, Inc., a clinical-stage biopharma company, engages in the development and commercialization of transformative immunology-ba…

More Healthcare filings Insider filings, newest first View the original filing at www.sec.gov
Other filings by Hongbo Lu in ZBIO
ZBIOPURCHASE Zenas BioPharma, Inc. $1.5M
75,000 sh × $20.00
Exec Mar 31
Filed Mar 31 · 5:00 PM ET
ZBIOPURCHASE Zenas BioPharma, Inc. $6.0M
321,983 sh across 2 lots
Exec Sep 13 2024
Filed Oct 9 2025 · 3:37 PM ET †
ZBIOPURCHASE Zenas BioPharma, Inc. $1000K
58,823 sh × $17.00
Exec Sep 13 2024
Filed Sep 17 2024 · 5:30 PM ET