As of April 22, 2026, the three largest insider holders of NTRA are Matthew Rabinowitz (Executive Chairman, 2.38Mn shares), Roelof Botha (Director, 1.29Mn shares), Roelof Botha (Director, 1.15Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Matthew Rabinowitz | Executive Chairman | 2,383,162 | 0 | 08 Apr, 2026 |
| Roelof Botha | - | 0 | 1,291,584 | 18 Mar, 2022 |
| Roelof Botha | - | 0 | 1,154,198 | 26 Nov, 2025 |
| Matthew Rabinowitz | Executive Chairman | 0 | 1,050,036 | 23 Feb, 2024 |
| Matthew Rabinowitz | Executive Chairman | 0 | 860,036 | 07 Mar, 2024 |
| Jonathan Sheena | - | 463,745 | 0 | 01 Sep, 2021 |
| Jonathan Sheena | Co Founder | 259,255 | 0 | 20 Mar, 2026 |
| Daniel Rabinowitz | Sec. And Chief Legal Officer | 224,885 | 0 | 03 Apr, 2026 |
| Daniel Rabinowitz | Sec. And Chief Legal Officer | 224,885 | 0 | 03 Apr, 2026 |
| Daniel Rabinowitz | Sec. And Chief Legal Officer | 224,885 | 0 | 03 Apr, 2026 |
| John Fesko | President, Chief Bus. Officer | 189,199 | 0 | 11 Mar, 2026 |
| Steven Leonard Chapman | Ceo And President | 186,877 | 0 | 15 Nov, 2024 |
| Daniel Rabinowitz | Sec. And Chief Legal Officer | 175,806 | 0 | 24 Mar, 2023 |
| Daniel Rabinowitz | Sec. And Chief Legal Officer | 175,806 | 0 | 24 Mar, 2023 |
| Daniel Rabinowitz | Sec. And Chief Legal Officer | 175,806 | 0 | 24 Mar, 2023 |
| Steven Leonard Chapman | Ceo And President | 174,376 | 0 | 03 Jul, 2025 |
| Steven Leonard Chapman | Ceo And President | 156,607 | 0 | 11 Mar, 2026 |
| Solomon Moshkevich | President, Clinicaldiagnostics | 147,882 | 0 | 03 Apr, 2026 |
| Robert Alan Schueren | Chief Operating Officer | 0 | 114,141 | 24 Jan, 2023 |
| Robert Alan Schueren | Chief Operating Officer | 0 | 114,141 | 24 Jan, 2023 |
| Robert Alan Schueren | Chief Operating Officer | 0 | 114,141 | 24 Jan, 2023 |
| Robert Alan Schueren | Chief Operating Officer | 0 | 103,417 | 29 Dec, 2022 |
| Robert Alan Schueren | Chief Operating Officer | 0 | 103,417 | 29 Dec, 2022 |
| Robert Alan Schueren | Chief Operating Officer | 0 | 103,417 | 29 Dec, 2022 |
| Michael Burkes Brophy | Chief Financial Officer | 81,393 | 0 | 25 Apr, 2022 |
| Michael Burkes Brophy | Chief Financial Officer | 67,338 | 0 | 07 Dec, 2021 |
| Michael Burkes Brophy | Chief Financial Officer | 63,354 | 0 | 11 Mar, 2026 |
| Michael Burkes Brophy | Chief Financial Officer | 59,483 | 0 | 12 Nov, 2021 |
| Jonathan Sheena | - | 0 | 48,310 | 24 Jul, 2023 |
| Jonathan Sheena | - | 0 | 46,778 | 20 Dec, 2024 |
| James Healy | - | 46,260 | 0 | 29 Apr, 2025 |
| Jonathan Sheena | - | 0 | 40,564 | 21 Apr, 2026 |
| Robert Alan Schueren | Chief Operating Officer | 24,091 | 0 | 31 Jan, 2023 |
| Robert Alan Schueren | Chief Operating Officer | 24,091 | 0 | 31 Jan, 2023 |
| Robert Alan Schueren | Chief Operating Officer | 24,091 | 0 | 31 Jan, 2023 |
| Herm Rosenman | Chief Financial Officer | 20,441 | 0 | 03 Feb, 2026 |
| Herm Rosenman | Chief Financial Officer | 20,441 | 0 | 03 Feb, 2026 |
| Roy D. Baynes | - | 18,429 | 0 | 03 Feb, 2026 |
| Todd C Cozzens | - | 15,813 | 0 | 27 May, 2022 |
| Gail Boxer Marcus | - | 5,853 | 0 | 03 Feb, 2026 |
| Rowan E Chapman | - | 5,752 | 0 | 17 Mar, 2026 |
| Brinkley Ruth Williams | - | 5,389 | 0 | 03 Feb, 2026 |
| Monica Bertagnolli | - | 5,291 | 0 | 03 Feb, 2026 |
| Matthew Rabinowitz | Executive Chairman | 0 | 5,000 | 22 Oct, 2025 |
| Roelof Botha | - | 2,540 | 0 | 03 Feb, 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 | 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 | 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 |
| 01 Apr, 2026 | Daniel Rabinowitz | Common Stock | D | 3,213 | $203.07 | 227,994 | D | S |
| 01 Apr, 2026 | Daniel Rabinowitz | Common Stock | D | 1,200 | $203.83 | 226,794 | D | S |
| 01 Apr, 2026 | Daniel Rabinowitz | Common Stock | D | 1,200 | $203.83 | 226,794 | D | S |
| 01 Apr, 2026 | Daniel Rabinowitz | Common Stock | D | 1,200 | $203.83 | 226,794 | D | S |