Mazur Leonard L

Chief Executive Officer at Citius Pharmaceuticals, Inc. · on record since Aug 28, 2017
Director at CITIUS ONCOLOGY, INC. · on record since Aug 30, 2024
Chief Executive Officer at CITIUS ONCOLOGY, INC. · on record since Aug 30, 2024
Director at Gadsden Properties, Inc. · on record since May 15, 2009
Director at Citius Pharmaceuticals, Inc. · on record since Oct 28, 2015
10% owner at Citius Pharmaceuticals, Inc. · on record since Aug 28, 2017
Director at Canton Strategic Holdings, Inc. · on record since Mar 23, 2022

Insider trading activity of Mazur Leonard L

Transactions on record: 64; since May 15, 2009

Open-market buys: 9; $14.2M

Open-market sells: 0

Companies traded: 4; last filing Dec 22, 2025

Figures computed from official regulatory filings — .

Companies where Mazur Leonard L has traded

CITIUS ONCOLOGY, INC.6 tx · Dec 22, 2025
Citius Pharmaceuticals, Inc.46 tx · $18.9M · Sep 23, 2025
Canton Strategic Holdings, Inc.6 tx · $415.9K · Aug 12, 2024
Gadsden Properties, Inc.6 tx · $47.2K · Jul 5, 2011

Track record of Mazur Leonard L

Statistical track record

Free

Open-market buys: 14

Last buy: Jan 14, 2022

Win rates and median returns are available with a free account (5 insiders/month).

Transaction history of Mazur Leonard L

Co-insiders of Mazur Leonard L

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
CITIUS ONCOLOGY, INC.Listing on record	Dec 22, 2025	Award	1,700,000	0.00 USD	—	SEC
CITIUS ONCOLOGY, INC.Listing on record	Dec 1, 2025	Award	1,700,000	0.00 USD	—	SEC
Citius Pharmaceuticals, Inc.Listing on record	Sep 23, 2025	AwardD (derivative)	125,490	—	—	SEC
Citius Pharmaceuticals, Inc.Listing on record	Sep 23, 2025	OtherD (derivative)	-125,490	—	—	SEC
Citius Pharmaceuticals, Inc.Listing on record	Sep 23, 2025	OtherD (derivative)	-89,388	—	—	SEC
Citius Pharmaceuticals, Inc.Listing on record	Sep 23, 2025	AwardD (derivative)	89,388	—	—	SEC
CITIUS ONCOLOGY, INC.Listing on record	Sep 23, 2025	Award	1,700,000	0.00 USD	—	SEC
CITIUS ONCOLOGY, INC.Listing on record	Dec 16, 2024	AwardD (derivative)	800,000	0.00 USD	—	SEC
Citius Pharmaceuticals, Inc.Listing on record	Nov 12, 2024	AwardD (derivative)	600,000	0.00 USD	—	SEC
Citius Pharmaceuticals, Inc.Listing on record	Sep 27, 2024	AwardD (derivative)	2,234,700	—	—	SEC
Citius Pharmaceuticals, Inc.Listing on record	Sep 27, 2024	AwardD (derivative)	3,137,255	—	—	SEC
Citius Pharmaceuticals, Inc.Listing on record	Sep 27, 2024	OtherD (derivative)	-2,234,700	—	—	SEC
Citius Pharmaceuticals, Inc.Listing on record	Sep 27, 2024	OtherD (derivative)	-3,137,255	—	—	SEC
CITIUS ONCOLOGY, INC.Listing on record	Aug 30, 2024	AwardD (derivative)	3,700,000	0.00 USD	—	SEC
CITIUS ONCOLOGY, INC.Listing on record	Aug 14, 2024	AwardD (derivative)	1,233,333	0.00 USD	—	SEC
Canton Strategic Holdings, Inc.Listing unverified	Aug 12, 2024	AwardD (derivative)	2,353	0.00 USD	—	SEC
Citius Pharmaceuticals, Inc.Listing on record	Apr 5, 2024	AwardD (derivative)	1,165,048	—	—	SEC
Citius Pharmaceuticals, Inc.Listing on record	Apr 5, 2024	OtherD (derivative)	-1,165,048	—	—	SEC
Canton Strategic Holdings, Inc.Listing unverified	Nov 9, 2023	AwardD (derivative)	25,000	0.00 USD	—	SEC
Citius Pharmaceuticals, Inc.Listing on record	Oct 12, 2023	AwardD (derivative)	550,000	0.00 USD	—	SEC
Citius Pharmaceuticals, Inc.Listing on record	Oct 6, 2022	AwardD (derivative)	550,000	0.00 USD	—	SEC
Canton Strategic Holdings, Inc.Listing unverified	Mar 23, 2022	AwardD (derivative)	50,000	0.00 USD	—	SEC
Canton Strategic Holdings, Inc.Listing unverified	Jan 18, 2022	Other	98,733	3.20 USD	$315.9K	SEC
Canton Strategic Holdings, Inc.Listing unverified	Jan 18, 2022	OtherD (derivative)	0	0.00 USD	—	SEC
Canton Strategic Holdings, Inc.Listing unverified	Jan 18, 2022	Buy	25,000	4.00 USD	$100K	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
CITIUS ONCOLOGY, INC.Listing on record	Dec 22, 2025	Award	1,700,000	0.00 USD	—	SEC
CITIUS ONCOLOGY, INC.Listing on record	Dec 1, 2025	Award	1,700,000	0.00 USD	—	SEC
Citius Pharmaceuticals, Inc.Listing on record	Sep 23, 2025	AwardD (derivative)	125,490	—	—	SEC
Citius Pharmaceuticals, Inc.Listing on record	Sep 23, 2025	OtherD (derivative)	-125,490	—	—	SEC
Citius Pharmaceuticals, Inc.Listing on record	Sep 23, 2025	OtherD (derivative)	-89,388	—	—	SEC
Citius Pharmaceuticals, Inc.Listing on record	Sep 23, 2025	AwardD (derivative)	89,388	—	—	SEC
CITIUS ONCOLOGY, INC.Listing on record	Sep 23, 2025	Award	1,700,000	0.00 USD	—	SEC
CITIUS ONCOLOGY, INC.Listing on record	Dec 16, 2024	AwardD (derivative)	800,000	0.00 USD	—	SEC
Citius Pharmaceuticals, Inc.Listing on record	Nov 12, 2024	AwardD (derivative)	600,000	0.00 USD	—	SEC
Citius Pharmaceuticals, Inc.Listing on record	Sep 27, 2024	AwardD (derivative)	2,234,700	—	—	SEC
Citius Pharmaceuticals, Inc.Listing on record	Sep 27, 2024	AwardD (derivative)	3,137,255	—	—	SEC
Citius Pharmaceuticals, Inc.Listing on record	Sep 27, 2024	OtherD (derivative)	-2,234,700	—	—	SEC
Citius Pharmaceuticals, Inc.Listing on record	Sep 27, 2024	OtherD (derivative)	-3,137,255	—	—	SEC
CITIUS ONCOLOGY, INC.Listing on record	Aug 30, 2024	AwardD (derivative)	3,700,000	0.00 USD	—	SEC
CITIUS ONCOLOGY, INC.Listing on record	Aug 14, 2024	AwardD (derivative)	1,233,333	0.00 USD	—	SEC
Canton Strategic Holdings, Inc.Listing unverified	Aug 12, 2024	AwardD (derivative)	2,353	0.00 USD	—	SEC
Citius Pharmaceuticals, Inc.Listing on record	Apr 5, 2024	AwardD (derivative)	1,165,048	—	—	SEC
Citius Pharmaceuticals, Inc.Listing on record	Apr 5, 2024	OtherD (derivative)	-1,165,048	—	—	SEC
Canton Strategic Holdings, Inc.Listing unverified	Nov 9, 2023	AwardD (derivative)	25,000	0.00 USD	—	SEC
Citius Pharmaceuticals, Inc.Listing on record	Oct 12, 2023	AwardD (derivative)	550,000	0.00 USD	—	SEC
Citius Pharmaceuticals, Inc.Listing on record	Oct 6, 2022	AwardD (derivative)	550,000	0.00 USD	—	SEC
Canton Strategic Holdings, Inc.Listing unverified	Mar 23, 2022	AwardD (derivative)	50,000	0.00 USD	—	SEC
Canton Strategic Holdings, Inc.Listing unverified	Jan 18, 2022	Other	98,733	3.20 USD	$315.9K	SEC
Canton Strategic Holdings, Inc.Listing unverified	Jan 18, 2022	OtherD (derivative)	0	0.00 USD	—	SEC
Canton Strategic Holdings, Inc.Listing unverified	Jan 18, 2022	Buy	25,000	4.00 USD	$100K	SEC