MOULDER LEON O JR (Chief Executive Officer) purchased 3.2% of their position (54K shares) of ZENAS BIOPHARMA, INC. on the open market
Open‑market purchase worth $1.02M — a small addition. The strongest form of insider conviction signal.
P · 2 purchases
Filed: 3/31/2026ACC: 0001104659-26-038031
DirectorOfficer· Chief Executive Officer
Since Feb 2026
+54K
Net shares
Net buyer
$1.02M
Total acquired
2
Open market trades
2B · 0S
2
Total transactions
54K acquired
Non-Derivative Transactions2
Common Stock
Indirect
Shares
+20K
Price / share
$18.23
Trade value
$364.60K
% of position
1.2%
3/30/2026
1.67M→1.69M
Common Stock
Indirect
Shares
+34K
Price / share
$19.31
Trade value
$656.54K
% of position
2.0%
3/31/2026
1.69M→1.73M
Total
Net shares
+54K
Net value
$1.02M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Indirect | 3/30/2026 | P · Purchase | +20K | $18.23 | $364.60K | 1.2% | 1.67M | 1.69M |
| Common Stock Indirect | 3/31/2026 | P · Purchase | +34K | $19.31 | $656.54K | 2.0% | 1.69M | 1.73M |
| Total | +54K | $1.02M | ||||||
Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)2
Common Stock
IndirectShares owned36.93K
Common Stock
DirectShares owned423.15K
Total
423.15K direct·36.93K indirect460.08K
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Stock | 36.93K | Indirect |
| Common Stock | 423.15K | Direct |
| Total | 460.08K | 423.15K direct·36.93K indirect |
Derivative Holdings (Post-Transaction)0
No derivative holdings reported