Matinas BioPharma Holdings, Inc. (MTNB) Insider Ownership

Historic Insider Ownership Trends

Matinas BioPharma Holdings's top three insider shareholders as of June 18, 2026 are Herbert J Conrad (Director, 4.20Mn shares), Raphael J Mannino (Chief Scientific Officer, 1.92Mn shares), Matthew Wikler (Director, 290.47K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Matthew Wikler - 290,472 0 03 Jan, 2022
Raphael J Mannino Chief Scientific Officer 1,919,715 0 14 Sep, 2021
Herbert J Conrad - 0 4,199,944 09 Jul, 2021

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
30 Apr, 2025 Robin L Smith Stock Option (right to Buy) A 11,600 $0.00 11,600 D A
30 Apr, 2025 Edward Neugeboren Stock Option (right to Buy) A 11,600 $0.00 11,600 D A
30 Apr, 2025 Edward Neugeboren Stock Option (right to Buy) A 11,600 $0.00 11,600 D A
30 Apr, 2025 An Evelyn D Stock Option (right to Buy) A 11,600 $0.00 11,600 D A
30 Apr, 2025 Jerome D Jabbour Stock Option (right to Buy) A 70,100 $0.00 70,100 D A
15 Dec, 2023 Thomas Hoover Stock Option (right to Buy) A 1,000,000 $0.00 1,000,000 D A
15 Dec, 2023 Theresa Matkovits Stock Option (right to Buy) A 1,300,000 $0.00 1,300,000 D A
15 Dec, 2023 James J. Iii Ferguson Stock Option (right to Buy) A 1,200,000 $0.00 1,200,000 D A
15 Dec, 2023 Jerome D Jabbour Stock Option (right to Buy) A 3,500,000 $0.00 3,500,000 D A
15 Dec, 2023 Hui Liu Stock Option (right to Buy) A 1,000,000 $0.00 1,000,000 D A
15 Dec, 2023 Theresa Matkovits Stock Option (right to Buy) A 1,300,000 $0.00 1,300,000 D A
15 Dec, 2023 Keith A Kucinski Stock Option (right to Buy) A 1,000,000 $0.00 1,000,000 D A
01 Nov, 2023 James S Scibetta Stock option (right to buy) A 437,244 $0.00 437,244 D A
01 Nov, 2023 Matthew Wikler Stock option (right to buy) A 437,244 $0.00 437,244 D A
01 Nov, 2023 Eric J Ende Stock option (right to buy) A 437,244 $0.00 437,244 D A
01 Nov, 2023 Natasha Giordano Stock option (right to buy) A 437,244 $0.00 437,244 D A
01 Nov, 2023 Matthew Wikler Stock option (right to buy) A 437,244 $0.00 437,244 D A
01 Nov, 2023 James S Scibetta Stock option (right to buy) A 437,244 $0.00 437,244 D A
01 Nov, 2023 Kathryn Penkus Corzo Stock option (right to buy) A 437,244 $0.00 437,244 D A
01 Nov, 2023 Herbert J Conrad Stock option (right to buy) A 437,244 $0.00 437,244 D A