MOULDER LEON O JR (Chief Executive Officer) purchased 3.5% of their position (60K shares) of ZENAS BIOPHARMA, INC. on the open market
Open‑market purchase worth $1.07M — a small addition. The strongest form of insider conviction signal.
P · 2 purchases
Filed: 4/29/2026ACC: 0001104659-26-051889
DirectorOfficer· Chief Executive Officer
Since Feb 2026
+60K
Net shares
Net buyer
$1.07M
Total acquired
2
Open market trades
2B · 0S
2
Total transactions
60K acquired
Non-Derivative Transactions2
Common Stock
Indirect
Shares
+25K
Price / share
$18.02
Trade value
$450.50K
% of position
1.4%
4/28/2026
1.73M→1.75M
Common Stock
Indirect
Shares
+35K
Price / share
$17.62
Trade value
$616.70K
% of position
2.0%
4/29/2026
1.75M→1.79M
Total
Net shares
+60K
Net value
$1.07M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Indirect | 4/28/2026 | P · Purchase | +25K | $18.02 | $450.50K | 1.4% | 1.73M | 1.75M |
| Common Stock Indirect | 4/29/2026 | P · Purchase | +35K | $17.62 | $616.70K | 2.0% | 1.75M | 1.79M |
| Total | +60K | $1.07M | ||||||
Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)2
Common Stock
DirectShares owned423.15K
Common Stock
IndirectShares owned36.93K
Total
423.15K direct·36.93K indirect460.08K
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Stock | 423.15K | Direct |
| Common Stock | 36.93K | Indirect |
| Total | 460.08K | 423.15K direct·36.93K indirect |
Derivative Holdings (Post-Transaction)0
No derivative holdings reported