Leon O. Moulder Jr.

Sits on 3 boards. Last updated September 28, 2026

Time on boards

Boards served
3
Current seats
3
Board service
8 years
Director since
2023

8 years of board service in total across 3 boards, counting each seat separately. Longest: Zai Lab Limited, 3 years.

Zai Lab Limited Director
3 years · Since 2023
3 years · Since 2023
Zenas BioPharma Inc. Director · See Remarks
2 years · Since 2024

Chief executive roles

Zenas BioPharma Inc. · Chief Executive Officer
Since September 2024

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
Jun 17, 2026 Zai Lab Limited Grant or award +22,371 — —
May 18, 2026 Zenas BioPharma Inc. Open-market purchase +60,000 $16.88 $1,012,800
Apr 29, 2026 Zenas BioPharma Inc. Open-market purchase +35,000 $17.62 $616,700
Apr 28, 2026 Zenas BioPharma Inc. Open-market purchase +25,000 $18.02 $450,500
Mar 31, 2026 Zenas BioPharma Inc. Open-market purchase +34,000 $19.31 $656,540
Mar 30, 2026 Zenas BioPharma Inc. Open-market purchase +20,000 $18.23 $364,600
Feb 2, 2026 Zenas BioPharma Inc. Open-market purchase +57,000 $17.96 $1,023,720
Jan 9, 2026 Zenas BioPharma Inc. Open-market purchase +20,000 $16.55 $331,000
Jan 8, 2026 Zenas BioPharma Inc. Open-market purchase +30,000 $16.30 $489,000
Jan 7, 2026 Zenas BioPharma Inc. Open-market purchase +50,000 $16.38 $819,000
Oct 7, 2025 Zenas BioPharma Inc. Open-market purchase +36,928 $20.85 $769,949
Jun 18, 2025 Zai Lab Limited Grant or award +10,831 — —
Feb 18, 2025 Zenas BioPharma Inc. Open-market purchase +25,000 $6.67 $166,750
Dec 4, 2024 Zenas BioPharma Inc. Open-market purchase +45,000 $9.98 $449,100
Dec 3, 2024 Zenas BioPharma Inc. Open-market purchase +25,000 $10.76 $269,000

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