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Moulder Leon O Jr

In the past year, 6 open-market purchase filings worth $6.53M and no sales.

Current role at each company

Open-market trades in the past year

Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.

Bought
$6.53M
6 filings
Sold
–
0 filings
Net
+$6.53M
Bought minus sold
Companies
1
With open-market trades

Trades

Every Form 4 that lists Moulder Leon O Jr as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.

ZBIO Zenas BioPharma, Inc.

See Remarks10 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
May 18, 2026 (view filing)May 18Same dayMoulder Leon O JrChief Executive OfficerPPurchase+60.0K$16.88+$1.01M+162.5%96.9K after
Apr 29, 2026 (view filing)Apr 28-291 dayMoulder Leon O JrChief Executive OfficerPPurchase+60.0K$17.79+$1.07M+3.5%1.79M after2 lots
Mar 31, 2026 (view filing)Mar 30-311 dayMoulder Leon O JrChief Executive OfficerPPurchase+54.0K$18.91+$1.02M+3.2%1.73M after2 lots
Feb 3, 2026 (view filing)Feb 21 dayMoulder Leon O JrChief Executive OfficerPPurchase+57.0K$17.96+$1.02M+15.6%423.2K after
Jan 9, 2026 (view filing)Jan 7-92 daysMoulder Leon O JrChief Executive OfficerPPurchase+100.0K$16.39+$1.64M+37.6%366.2K after3 lots
Oct 9, 2025 (view filing)Oct 72 daysMoulder Leon O JrSee RemarksPPurchase+36.9K$20.85+$769.9KNew position36.9K after
Feb 19, 2025 (view filing)Feb 181 dayMoulder Leon O JrChief Executive OfficerPPurchase+25.0K$6.67+$166.8K+10.4%266.2K after
Dec 4, 2024 (view filing)Dec 3-41 dayMoulder Leon O JrChief Executive OfficerPPurchase+70.0K$10.26+$718.1K+40.9%241.2K after2 lots
Nov 20, 2024 (view filing)Nov 18-192 daysMoulder Leon O JrChief Executive OfficerPPurchase+10.0K$14.89+$148.9K+6.2%171.2K after2 lots
Sep 20, 2024 (view filing)Sep 18-202 daysMoulder Leon O JrChief Executive OfficerPPurchase+20.0K$18.04+$360.8K+1.2%1.67M after4 lots