ZBIO Zenas Biopharma Inc.
Health Care, filed as ZENAS BIOPHARMA INC (COM), Equity As of 2026 Q2 among managers we track Quote on Google Finance, opens in a new tab
- 1 exit
In 2026 Q2 Nathan Fischel sold out of Zenas Biopharma.
Who owns ZBIO
Sorted by value, long equity only, as of 2026 Q2. Exits show their last held size.
| History | |||||
|---|---|---|---|---|---|
| Nathan Fischel, Dafna Capital Management exited 2026 Q2 Last 2026 Q1 | Exit −0.19% | 42,500 | $831K | History |
Insider trades
Open-market buys and sales by ZBIO's executives, directors and 10% owners in the last 12 months, from their Form 4s
- $11.4M bought by 4 insiders
- None no sales outside a trading plan
- None no planned (10b5-1) sales
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Leon O Moulder Jr. CEOBuy$1M 60,000 shares at $16.88 +163% to stakeTraded May 18 Filed May 18
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Leon O Moulder Jr. CEOBuy$1.1M 60,000 shares at $17.79 +3.5% to stakeTraded Apr 28–29 Filed Apr 29
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Hongbo Lu DirectorBuy$70K 3,768 shares at $18.63 +0.9% to stakeTraded Mar 31 Filed Apr 2
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Fairmount Funds Management LLC Director, +3 joint filersBuy$3M 150,000 shares at $20.00 +6.8% to stakeTraded Mar 31 Filed Apr 1
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Leon O Moulder Jr. CEOBuy$1M 54,000 shares at $18.91 +3.2% to stakeTraded Mar 30–31 Filed Mar 31
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Hongbo Lu DirectorBuy$1.5M 75,000 shares at $20.00 +22% to stakeTraded Mar 31 Filed Mar 31
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Hongbo Lu DirectorBuy$585K 25,985 shares at $22.50 +8.1% to stakeTraded Feb 11 Filed Feb 13
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Patricia L Allen DirectorBuy$500K 19,860 shares at $25.16 New stakeTraded Feb 12–13 Filed Feb 13
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Leon O Moulder Jr. CEOBuy$1M 57,000 shares at $17.96 +16% to stakeTraded Feb 2 Filed Feb 3
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Leon O Moulder Jr. CEOBuy$1.6M 100,000 shares at $16.39 +38% to stakeTraded Jan 7–9 Filed Jan 9
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Jason Raleigh Nunn DirectorBuy$1.2M 63,158 shares at $19.00 +5.7% to stakeTraded Oct 9, 2025 Filed Oct 14, 2025
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Sr One Capital Management, LLC 10% owner, +1 joint filerBuy$2.4M 126,315 shares at $19.00 +7.1% to stakeTraded Oct 9, 2025 Filed Oct 14, 2025
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Patrick G Enright DirectorBuy$2.3M 117,255 shares at $19.19Traded Oct 9, 2025 Filed Oct 14, 2025
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Leon O Moulder Jr. See RemarksBuy$770K 36,928 shares at $20.85 New stakeTraded Oct 7, 2025 Filed Oct 9, 2025
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Fairmount Funds Management LLC Director, +3 joint filersBuy$6M 316,219 shares at $19.00 +17% to stakeTraded Oct 7, 2025 Filed Oct 9, 2025
Also filed in the last 12 months, not counted as buying or selling: 2 stock grants.
SEC filings
Recent issuer filings from EDGAR, 21 shown.
| Filed | Form | Detail | Links |
|---|---|---|---|
| 8-K | 7.01,9.01 | Filing Doc | |
| SCHEDULE 13G/A | — | Filing Doc | |
| SCHEDULE 13G | — | Filing Doc | |
| SCHEDULE 13D/A | — | Filing Doc | |
| SCHEDULE 13D/A | — | Filing Doc | |
| 8-K | 2.02,5.02,9.01 | Filing Doc | |
| 10-Q | Filing Doc | ||
| 8-K | 2.02,5.02,5.07,9.01 | Filing Doc | |
| 10-Q | Filing Doc | ||
| SCHEDULE 13D | — | Filing Doc | |
| SCHEDULE 13D/A | — | Filing Doc | |
| 8-K | 1.01,2.03,8.01,9.01 | Filing Doc | |
| 424B5 | Filing Doc | ||
| 424B5 | Filing Doc | ||
| 424B5 | Filing Doc | ||
| 424B5 | Filing Doc | ||
| DEF 14A | Filing Doc | ||
| 8-K | 2.02,9.01 | Filing Doc | |
| 10-K | Filing Doc | ||
| DEFA14A | Filing Doc | ||
| 8-K | 5.02,9.01 | Filing Doc |
No filings match this filter.
Financials
US-GAAP annual figures by fiscal year, as tagged in Form 10-K. Each value links to its SEC filing.
Income statement
Balance sheet
Ownership over time
13Fs that reported it each quarter. Click a bar for that quarter’s holders.