Leonard L. Mazur

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: Citius Pharmaceuticals Inc., 3 years.

Citius Pharmaceuticals Inc. Director · Chief Executive Officer
3 years · Since 2023
3 years · Since 2023
Citius Oncology Inc. Director · Chief Executive Officer
2 years · Since 2024

Chief executive roles

Citius Pharmaceuticals Inc. · Chief Executive Officer
Dates unknown
Citius Oncology Inc. · Chief Executive Officer
Since August 2024

Shareholder support

Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

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
Sep 19, 2025 Citius Oncology Inc. Grant or award +1,700,000 — —

Questions about Leonard L. Mazur

What boards is Leonard L. Mazur on?

Leonard L. Mazur sits on the boards of Canton Strategic Holdings Inc., Citius Oncology Inc. and Citius Pharmaceuticals Inc.

What company is Leonard L. Mazur the CEO of?

Leonard L. Mazur is Chief Executive Officer of Citius Pharmaceuticals Inc. and Leonard L. Mazur has been Chief Executive Officer of Citius Oncology Inc. since August 2024.

How long has Leonard L. Mazur served on boards?

Our records show at least 8 years of board service across 3 boards, the earliest from 2023.

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