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ZBIO
NASDAQ Life Sciences

CEO Leon Moulder Jr. Discloses 5.09% Beneficial Ownership, Confirming Recent Share Purchases

Analysis by Wiseek AI
Sentiment info
Positive
Importance info
7
Price
$20.76
Mkt Cap
$1.191B
52W Low
$8.51
52W High
$44.6
Market data snapshot near publication time

Summary

Zenas BioPharma's CEO, Leon O. Moulder Jr., along with affiliated entities, filed a Schedule 13D disclosing a 5.09% beneficial ownership stake, which includes recent open-market purchases.


Key Events

  • CEO's Beneficial Ownership

    Leon O. Moulder Jr., through direct and affiliated holdings, beneficially owns 3,220,880 shares, representing 5.09% of the company's common stock.

  • Recent Share Purchases Confirmed

    The filing confirms the Reporting Persons purchased an aggregate of 271,000 shares in open-market transactions between January 7 and April 29, 2026, at prices ranging from $15.82 to $19.58 per share.

  • Reinforces Prior Disclosure

    This 13D provides a comprehensive overview of the CEO's total beneficial ownership, building on the recent Form 4 filing that reported a significant purchase by Mr. Moulder on April 29, 2026.


Analysis

This Schedule 13D filing confirms that CEO and Chairman Leon O. Moulder Jr., through his direct holdings and affiliated entities (Tellus BioVentures, LLC and a revocable trust), beneficially owns 5.09% of Zenas BioPharma's common stock. The filing details recent open-market purchases of 271,000 shares between January 7 and April 29, 2026, reinforcing the CEO's confidence in the company. This follows a previous Form 4 filing on April 29, 2026, which reported a specific purchase by Mr. Moulder. The aggregation of these holdings and the establishment of the 5% beneficial ownership threshold provide a comprehensive view of the CEO's significant and growing stake, which can be interpreted as a strong positive signal for investors, especially given the company's recent positive Phase 3 results and ongoing efforts to address a going concern warning.

At the time of this filing, ZBIO was trading at $20.76 on NASDAQ in the Life Sciences sector, with a market capitalization of approximately $1.2B. The 52-week trading range was $8.51 to $44.60. This filing was assessed with positive market sentiment and an importance score of 7 out of 10.

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ZBIO - Latest Insights

ZBIO
Jun 02, 2026, 7:06 PM EDT
Source: Reuters
Importance Score:
9
Price at Filing: $17.38
Real-time Price: $19.29 info
Change: +$1.91 (+11%) info
Market Cap: $1.218B info
ZBIO
May 13, 2026, 6:53 AM EDT
Source: Reuters
Importance Score:
7
Price at Filing: $19.16
Real-time Price: $19.29 info
Change: +$0.125 (+0.65%) info
Market Cap: $1.218B info
ZBIO
May 13, 2026, 6:36 AM EDT
Filing Type: 10-Q
Importance Score:
9
Price at Filing: $19.16
Real-time Price: $19.29 info
Change: +$0.125 (+0.65%) info
Market Cap: $1.218B info
ZBIO
May 13, 2026, 6:14 AM EDT
Filing Type: 8-K
Importance Score:
9
Price at Filing: $19.16
Real-time Price: $19.29 info
Change: +$0.125 (+0.65%) info
Market Cap: $1.218B info
ZBIO
May 05, 2026, 4:15 PM EDT
Filing Type: SCHEDULE 13D
Importance Score:
7
Price at Filing: $20.76
Real-time Price: $19.29 info
Change: -$1.48 (-7%) info
Market Cap: $1.218B info
ZBIO
Apr 29, 2026, 7:21 PM EDT
Filing Type: 4
Importance Score:
7
Price at Filing: $18.39
Real-time Price: $19.29 info
Change: +$0.895 (+5%) info
Market Cap: $1.218B info
ZBIO
Apr 02, 2026, 5:44 PM EDT
Filing Type: SCHEDULE 13D/A
Importance Score:
7
Price at Filing: $21.04
Real-time Price: $19.29 info
Change: -$1.75 (-8%) info
Market Cap: $1.218B info
ZBIO
Apr 01, 2026, 4:30 PM EDT
Filing Type: 4
Importance Score:
8
Price at Filing: $20.36
Real-time Price: $19.29 info
Change: -$1.07 (-5%) info
Market Cap: $1.218B info
ZBIO
Mar 31, 2026, 5:00 PM EDT
Filing Type: 4
Importance Score:
7
Price at Filing: $21.90
Real-time Price: $19.29 info
Change: -$2.61 (-12%) info
Market Cap: $1.218B info
ZBIO
Mar 31, 2026, 4:35 PM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $20.23
Real-time Price: $19.29 info
Change: -$0.945 (-5%) info
Market Cap: $1.218B info