NXL's three largest insider shareholders as of June 18, 2026 are Leonard Osser (TenPercentOwner, 1.62Mn shares), Marilyn Elson (Ms. Elson Serves As Cfo, 1.54Mn shares), Marilyn Elson (Ms. Elson Serves As Cfo, 835.24K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Leonard Osser | - | 1,618,577 | 0 | 30 Sep, 2025 |
| Leslie Bernhard | - | 49,838 | 0 | 02 Oct, 2024 |
| Marilyn Elson | Ms. Elson Serves As Cfo | 1,535,244 | 0 | 02 Oct, 2024 |
| Rick Morad | - | 108,341 | 0 | 20 Sep, 2022 |
| Mark White | President/Ceo | 289,627 | 0 | 20 Sep, 2022 |
| Ben Hu | - | 377,095 | 0 | 30 Sep, 2025 |
| David Owens | Chief Medical Officer | 191,252 | 0 | 30 Sep, 2025 |
| Alan Kazden | - | 0 | 119,590 | 30 Sep, 2025 |
| Carolyn Hamby Shelton | Sr. Vp Quality, Regulatory | 0 | 30,000 | 13 Mar, 2025 |
* 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.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 19 Dec, 2025 | Carolyn Hamby Shelton | Stock Option (right to buy)* | A | 100,000 | $0.00 | 210,620 | D | A |
| 19 Dec, 2025 | Carolyn Hamby Shelton | Stock Option (right to buy)* | A | 100,000 | $0.00 | 210,620 | D | A |
| 19 Dec, 2025 | Mark White | Stock Option (right to buy)* | A | 1,000,000 | $0.00 | 2,387,024 | D | A |
| 19 Dec, 2025 | Fleet Justin Van | Stock Option (right to buy)* | A | 100,000 | $0.00 | 230,435 | D | A |
| 19 Dec, 2025 | David Owens | Stock Option (right to buy)* | A | 1,000,000 | $0.00 | 2,484,809 | D | A |
| 19 Dec, 2025 | David Owens | Stock Option (right to buy)* | A | 1,000,000 | $0.00 | 2,484,809 | D | A |
| 19 Dec, 2025 | Ben Hu | Stock Option (right to buy)* | A | 100,000 | $0.00 | 100,000 | D | A |
| 19 Dec, 2025 | Mark White | Stock Option (right to buy)* | A | 1,000,000 | $0.00 | 2,387,024 | D | A |
| 19 Dec, 2025 | Alan Kazden | Stock Option (right to buy)* | A | 100,000 | $0.00 | 362,500 | D | A |
| 19 Dec, 2025 | Fleet Justin Van | Stock Option (right to buy)* | A | 100,000 | $0.00 | 230,435 | D | A |
| 29 Sep, 2025 | David Owens | Common stock | A | 36,459 | $0.00 | 191,252 | D | A |
| 29 Sep, 2025 | Leonard Osser | Common Stock | A | 83,333 | $0.00 | 1,618,577 | D | A |
| 29 Sep, 2025 | Leonard Osser | Common Stock | A | 83,333 | $0.00 | 1,618,577 | D | A |
| 29 Sep, 2025 | Alan Kazden | Common stock | A | 36,459 | $0.00 | 119,590 | I | A |
| 29 Sep, 2025 | Ben Hu | Common stock | A | 36,459 | $0.00 | 377,095 | D | A |
| 29 Sep, 2025 | David Owens | Common stock | A | 36,459 | $0.00 | 191,252 | D | A |
| 10 Sep, 2025 | Marilyn Elson | Common Stock Warrants | D | 23,150 | $0.02 | 112,850 | D | S |
| 12 Sep, 2025 | Carolyn Hamby Shelton | Stock Option (right to buy) | A | 20,000 | $0.00 | 110,620 | D | A |
| 12 Sep, 2025 | David Owens | Stock Option (right to buy) | A | 203,125 | $0.00 | 1,384,809 | D | A |
| 12 Sep, 2025 | Carolyn Hamby Shelton | Stock Option (right to buy) | A | 20,000 | $0.00 | 110,620 | D | A |