MOULDER LEON O JR

ZBIO

MOULDER LEON O JR serves as director, officer: Chief Executive Officer at Zenas BioPharma, Inc. (ZBIO). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

6 trades

$6.53M

Total Sells

0 trades

$0.00

Net Position

Net Buyer

$6.53M

Companies Traded

ZBIO

Active Period

Oct 2025 – May 2026

6 total trades

Most Recent

Buy ZBIO

May 18, 2026 · $1.01M

MOULDER LEON O JR's Insider Trading at Zenas BioPharma, Inc. (ZBIO)

Buys

6 · $6.53M

Sells

0 · $0.00

Total Shares Bought

367,928

Total Shares Sold

ZBIO Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
May 18, 2026	Buy	60,000	$16.88	$1.01M	96,928
Apr 29, 2026	Buy	60,000	$17.79	$1.07M	1,786,039
Mar 31, 2026	Buy	54,000	$18.91	$1.02M	1,726,039
Feb 2, 2026	Buy	57,000	$17.96	$1.02M	0
Jan 7, 2026	Buy	100,000	$16.39	$1.64M	0
Oct 7, 2025	Buy	36,928	$20.85	$769.9K	0