As of June 06, 2026, the three largest insider holders of NTRA are Matthew Rabinowitz (Executive Chairman, 2.38Mn shares), Matthew Rabinowitz (Executive Chairman, 1.91Mn shares), Roelof Botha (Director, 1.29Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Roelof Botha | - | 0 | 1,291,584 | 18 Mar, 2022 |
| James Healy | - | 46,260 | 0 | 29 Apr, 2025 |
| Brinkley Ruth Williams | - | 5,389 | 0 | 03 Feb, 2026 |
| Todd C Cozzens | - | 15,813 | 0 | 27 May, 2022 |
| Robert Alan Schueren | Chief Operating Officer | 0 | 114,141 | 24 Jan, 2023 |
| Matthew Rabinowitz | Executive Chairman | 2,383,162 | 0 | 08 Apr, 2026 |
| Jonathan Sheena | - | 463,745 | 0 | 01 Sep, 2021 |
| Roy D. Baynes | - | 18,429 | 0 | 03 Feb, 2026 |
| Michael Burkes Brophy | Chief Financial Officer | 81,393 | 0 | 25 Apr, 2022 |
| Gail Boxer Marcus | - | 5,853 | 0 | 03 Feb, 2026 |
| Steven Leonard Chapman | Ceo And President | 186,877 | 0 | 15 Nov, 2024 |
| Monica Bertagnolli | - | 5,291 | 0 | 03 Feb, 2026 |
| Rowan E Chapman | - | 5,752 | 0 | 17 Mar, 2026 |
| Daniel Rabinowitz | Sec. And Chief Legal Officer | 224,885 | 0 | 03 Apr, 2026 |
| Solomon Moshkevich | President, Clinicaldiagnostics | 147,882 | 0 | 03 Apr, 2026 |
| John Fesko | President, Chief Bus. Officer | 189,199 | 0 | 11 Mar, 2026 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 17 Apr, 2026 | Jonathan Sheena | Common Stock | D | 750 | $199.66 | 20,282 | I | S |
| 17 Apr, 2026 | Jonathan Sheena | Common Stock | D | 750 | $199.59 | 20,282 | I | S |
| 06 Apr, 2026 | Matthew Rabinowitz | Common Stock | A | 58,292 | $9.59 | 2,410,772 | D | M |
| 06 Apr, 2026 | Matthew Rabinowitz | Common Stock | D | 27,610 | $204.87 | 2,383,162 | D | F |
| 06 Apr, 2026 | Matthew Rabinowitz | Stock Option (right to buy) | D | 58,292 | $0.00 | 0 | D | M |
| 01 Apr, 2026 | Daniel Rabinowitz | Common Stock | D | 300 | $200.79 | 232,985 | D | S |
| 01 Apr, 2026 | Solomon Moshkevich | Common Stock | D | 1,048 | $201.32 | 149,834 | D | S |
| 01 Apr, 2026 | Daniel Rabinowitz | Common Stock | D | 300 | $200.79 | 232,985 | D | S |
| 01 Apr, 2026 | Daniel Rabinowitz | Common Stock | D | 300 | $200.79 | 232,985 | D | S |
| 01 Apr, 2026 | Daniel Rabinowitz | Common Stock | D | 300 | $200.79 | 232,985 | D | S |
| 01 Apr, 2026 | Daniel Rabinowitz | Common Stock | D | 1,778 | $202.01 | 231,207 | D | S |
| 01 Apr, 2026 | Daniel Rabinowitz | Common Stock | D | 1,778 | $202.01 | 231,207 | D | S |
| 01 Apr, 2026 | Daniel Rabinowitz | Common Stock | D | 1,778 | $202.01 | 231,207 | D | S |
| 01 Apr, 2026 | Solomon Moshkevich | Common Stock | D | 1,000 | $202.36 | 148,834 | D | S |
| 01 Apr, 2026 | Daniel Rabinowitz | Common Stock | D | 1,778 | $202.01 | 231,207 | D | S |
| 01 Apr, 2026 | Daniel Rabinowitz | Common Stock | D | 3,213 | $203.07 | 227,994 | D | S |
| 01 Apr, 2026 | Daniel Rabinowitz | Common Stock | D | 3,213 | $203.07 | 227,994 | D | S |
| 01 Apr, 2026 | Daniel Rabinowitz | Common Stock | D | 3,213 | $203.07 | 227,994 | D | S |
| 01 Apr, 2026 | Daniel Rabinowitz | Common Stock | D | 3,213 | $203.07 | 227,994 | D | S |
| 01 Apr, 2026 | Solomon Moshkevich | Common Stock | D | 952 | $203.31 | 147,882 | D | S |