As of September 09, 2026, the three largest insider holders of NRXP are Jonathan C Javitt (Director, 12.90Mn shares), Daniel C. Javitt (TenPercentOwner, 9.87Mn shares), Daniel C. Javitt (TenPercentOwner, 9.63Mn shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Daniel C. Javitt | TenPercentOwner | 0 | 19,507,694 | 19,507,694 | 57.7% | 01 Dec, 2022 |
| 2 | Jonathan C Javitt | Chairman And Chief Scientist | 84,634 | 12,899,997 | 12,984,631 | 38.4% | 17 Dec, 2024 |
| 3 | Chaim Hurvitz | Director | 1,070,000 | 0 | 1,070,000 | 3.2% | 11 Sep, 2023 |
| 4 | Aaron Gorovitz | Director | 0 | 105,000 | 105,000 | 0.3% | 11 Sep, 2023 |
| 5 | Voorhees Seth Van | Chief Financial Officer | 46,337 | 0 | 46,337 | 0.1% | 18 Dec, 2022 |
| 6 | Patrick John Flynn | Director | 1,750 | 40,209 | 41,959 | 0.1% | 28 Nov, 2022 |
| 7 | Alessandra Daigneault | General Counsel Secretary | 31,584 | 0 | 31,584 | 0.1% | 02 Nov, 2021 |
| 8 | Herbert Raymond Mcmaster | Director | 1,830 | 0 | 1,830 | 0.0% | 02 Nov, 2021 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 27 Jan, 2026 | Joseph Michael Casper | Chief Operating Officer | Acquired A | 100,000 | $0.00 | $0 | 100,000 | Direct |
| 07 Feb, 2025 | Michael S Abrams | Chief Financial Officer | Acquired A | 50,000 | $0.00 | $0 | 50,000 | Direct |
| 17 Dec, 2024 | Jonathan C Javitt | Chairman And Chief Scientist | Acquired P | 40,000 | $1.17 | $46.80K | 84,634 | Direct |
| 30 Aug, 2023 | Chaim Hurvitz | Director | Acquired P | 70,000 | $0.29 | $20.13K | 570,000 | Direct |
| 30 Aug, 2023 | Aaron Gorovitz | Director | Acquired P | 35,000 | $0.32 | $11.20K | 105,000 | Indirect |
| 23 Aug, 2023 | Jonathan C Javitt | Chief Scientist | Acquired P | 100,000 | $0.33 | $33.00K | 446,332 | Direct |
| 22 Aug, 2023 | Jonathan C Javitt | Chief Scientist | Acquired P | 200,000 | $0.32 | $64.40K | 346,332 | Direct |
| 16 Dec, 2022 | Voorhees Seth Van | Chief Financial Officer | Acquired P | 30,000 | $1.10 | $33.00K | 46,337 | Direct |
| 25 Nov, 2022 | Voorhees Seth Van | Chief Financial Officer | Acquired P | 8,716 | $1.12 | $9.76K | 8,716 | Direct |
| 16 Dec, 2022 | Voorhees Seth Van | Chief Financial Officer | Acquired P | 30,000 | $1.10 | $33.00K | 46,337 | Direct |
| 25 Nov, 2022 | Voorhees Seth Van | Chief Financial Officer | Acquired P | 8,716 | $1.12 | $9.76K | 8,716 | Direct |
| 25 Nov, 2022 | Voorhees Seth Van | Chief Financial Officer | Acquired P | 8,716 | $1.12 | $9.76K | 8,716 | Direct |
| 16 Dec, 2022 | Voorhees Seth Van | Chief Financial Officer | Acquired P | 30,000 | $1.10 | $33.00K | 46,337 | Direct |
| 25 Nov, 2022 | Voorhees Seth Van | Chief Financial Officer | Acquired P | 600 | $1.10 | $660 | 9,316 | Direct |
| 25 Nov, 2022 | Voorhees Seth Van | Chief Financial Officer | Acquired P | 600 | $1.10 | $660 | 9,316 | Direct |
| 25 Nov, 2022 | Voorhees Seth Van | Chief Financial Officer | Acquired P | 600 | $1.10 | $660 | 9,316 | Direct |
| 25 Nov, 2022 | Voorhees Seth Van | Chief Financial Officer | Acquired P | 7,021 | $1.11 | $7.79K | 16,337 | Direct |
| 25 Nov, 2022 | Voorhees Seth Van | Chief Financial Officer | Acquired P | 7,021 | $1.11 | $7.79K | 16,337 | Direct |
| 25 Nov, 2022 | Voorhees Seth Van | Chief Financial Officer | Acquired P | 7,021 | $1.11 | $7.79K | 16,337 | Direct |
| 07 Dec, 2022 | Jonathan C Javitt | Director, TenPercentOwner | Disposed S | 400,000 | $1.00 | $400.00K | 12,899,997 | Indirect |