Daniel Rabinowitz
CIK 1857843 · View on SEC EDGAR ↗
Insider
First SEC filing: April 23, 2021 · Latest: April 23, 2021
On this page
Insider at
Insider transactions
0 buys (P)
19 sells (S)
Net:
$-13,604,463
+ 47 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
47 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 3, 2026 | NTRA | S 10b5-1 | 334 | $267.99 | $89,509 | 170,073 Direct | -0.20% | Disposed | 17.6% (price as of 2026-08-19) |
| July 28, 2026 | NTRA | S 10b5-1 | 1,003 | $254.07 | $254,832 | 170,407 Direct | -0.59% | Disposed | 24.1% (price as of 2026-08-19) |
| July 27, 2026 | NTRA | S 10b5-1 | 884 | $260.49 | $230,273 | 171,410 Direct | -0.51% | Disposed | 21.0% (price as of 2026-08-19) |
| July 1, 2026 | NTRA | S 10b5-1 | 300 | $278.77 | $83,631 | 172,294 Direct | -0.17% | Disposed | 13.1% (price as of 2026-08-19) |
| July 1, 2026 | NTRA | S 10b5-1 | 1,955 | $278.25 | $543,979 | 172,594 Direct | -1.12% | Disposed | 13.3% (price as of 2026-08-19) |
| July 1, 2026 | NTRA | S 10b5-1 | 2,045 | $277.29 | $567,058 | 174,549 Direct | -1.16% | Disposed | 13.7% (price as of 2026-08-19) |
| July 1, 2026 | NTRA | S 10b5-1 | 1,400 | $276.24 | $386,736 | 176,594 Direct | -0.79% | Disposed | 14.1% (price as of 2026-08-19) |
| July 1, 2026 | NTRA | S 10b5-1 | 1,100 | $275.20 | $302,720 | 177,994 Direct | -0.61% | Disposed | 14.5% (price as of 2026-08-19) |
| July 1, 2026 | NTRA | S 10b5-1 | 500 | $274.19 | $137,095 | 179,094 Direct | -0.28% | Disposed | 15.0% (price as of 2026-08-19) |
| July 1, 2026 | NTRA | S 10b5-1 | 454 | $272.14 | $123,552 | 179,594 Direct | -0.25% | Disposed | 15.8% (price as of 2026-08-19) |
| July 1, 2026 | NTRA | S 10b5-1 | 1,357 | $270.96 | $367,693 | 180,048 Direct | -0.75% | Disposed | 16.3% (price as of 2026-08-19) |
| July 1, 2026 | NTRA | S 10b5-1 | 484 | $269.87 | $130,617 | 181,405 Direct | -0.27% | Disposed | 16.8% (price as of 2026-08-19) |
| July 1, 2026 | NTRA | S 10b5-1 | 1,932 | $268.99 | $519,689 | 181,889 Direct | -1.05% | Disposed | 17.2% (price as of 2026-08-19) |
| July 1, 2026 | NTRA | S 10b5-1 | 3,705 | $268.11 | $993,348 | 183,821 Direct | -1.98% | Disposed | 17.6% (price as of 2026-08-19) |
| July 1, 2026 | NTRA | S 10b5-1 | 1,568 | $266.79 | $418,327 | 187,526 Direct | -0.83% | Disposed | 18.1% (price as of 2026-08-19) |
| June 24, 2026 | NTRA | S 10b5-1 | 11,130 | $253.39 | $2,820,231 | 189,094 Direct | -5.56% | Disposed | 24.4% (price as of 2026-08-19) |
| June 24, 2026 | NTRA | S 10b5-1 | 5,066 | $252.31 | $1,278,202 | 200,224 Direct | -2.47% | Disposed | 24.9% (price as of 2026-08-19) |
| June 24, 2026 | NTRA | S 10b5-1 | 1,200 | $251.60 | $301,920 | 205,290 Direct | -0.58% | Disposed | 25.3% (price as of 2026-08-19) |
| June 24, 2026 | NTRA | S 10b5-1 | 16,204 | $250.25 | $4,055,051 | 206,490 Direct | -7.28% | Disposed | 26.0% (price as of 2026-08-19) |
| July 22, 2022 | NTRA | S 10b5-1 | 342 | $46.26 | $15,821 | 144,780 Direct | -0.24% | Disposed | 581.4% (price as of 2026-08-19) |
| June 28, 2022 | NTRA | S 10b5-1 | 689 | $39.02 | $26,885 | 144,478 Direct | -0.47% | Disposed | 707.8% (price as of 2026-08-19) |
| June 23, 2022 | NTRA | S 10b5-1 | 446 | $35.76 | $15,949 | 143,804 Direct | -0.31% | Disposed | 781.4% (price as of 2026-08-19) |
| April 22, 2022 | NTRA | S 10b5-1 | 325 | $36.14 | $11,746 | 143,358 Direct | -0.23% | Disposed | 772.2% (price as of 2026-08-19) |
| March 28, 2022 | NTRA | S 10b5-1 | 686 | $39.63 | $27,186 | 143,039 Direct | -0.48% | Disposed | 695.4% (price as of 2026-08-19) |
| March 23, 2022 | NTRA | S 10b5-1 | 455 | $40.60 | $18,473 | 142,361 Direct | -0.32% | Disposed | 676.4% (price as of 2026-08-19) |
| March 10, 2022 | NTRA | S 10b5-1 | 884 | $42.16 | $37,269 | 141,923 Direct | -0.62% | Disposed | 647.6% (price as of 2026-08-19) |
| Jan. 24, 2022 | NTRA | S 10b5-1 | 1,338 | $59.94 | $80,200 | 138,047 Direct | -0.96% | Disposed | 425.9% (price as of 2026-08-19) |
| Dec. 28, 2021 | NTRA | S 10b5-1 | 685 | $91.34 | $62,568 | 56,424 Direct | -1.20% | Disposed | 245.1% (price as of 2026-08-19) |
| Dec. 23, 2021 | NTRA | S 10b5-1 | 445 | $92.99 | $41,381 | 55,748 Direct | -0.79% | Disposed | 239.0% (price as of 2026-08-19) |
| Dec. 23, 2021 | NTRA | S 10b5-1 | 2 | $94.29 | $189 | 55,746 Direct | 0.00% | Disposed | 234.3% (price as of 2026-08-19) |
| Dec. 10, 2021 | NTRA | S 10b5-1 | 899 | $91.33 | $82,106 | 55,301 Direct | -1.60% | Disposed | 245.1% (price as of 2026-08-19) |
| Dec. 7, 2021 | NTRA | S 10b5-1 | 3,151 | $91.99 | $289,860 | 54,429 Direct | -5.47% | Disposed | 242.6% (price as of 2026-08-19) |
| Sept. 28, 2021 | NTRA | S 10b5-1 | 24 | $108.56 | $2,605 | 52,016 Direct | -0.05% | Disposed | 190.3% (price as of 2026-08-19) |
| Sept. 28, 2021 | NTRA | S 10b5-1 | 686 | $109.76 | $75,295 | 51,330 Direct | -1.32% | Disposed | 187.2% (price as of 2026-08-19) |
| Sept. 23, 2021 | NTRA | S 10b5-1 | 446 | $125.67 | $56,049 | 50,676 Direct | -0.87% | Disposed | 150.8% (price as of 2026-08-19) |
| Sept. 10, 2021 | NTRA | S 10b5-1 | 890 | $119.53 | $106,382 | 50,229 Direct | -1.74% | Disposed | 163.7% (price as of 2026-08-19) |
| June 28, 2021 | NTRA | S 10b5-1 | 685 | $117.57 | $80,535 | 49,348 Direct | -1.37% | Disposed | 168.1% (price as of 2026-08-19) |
| June 23, 2021 | NTRA | S 10b5-1 | 449 | $115.18 | $51,716 | 48,670 Direct | -0.91% | Disposed | 173.7% (price as of 2026-08-19) |
| June 10, 2021 | NTRA | S 10b5-1 | 911 | $102.61 | $93,478 | 48,227 Direct | -1.85% | Disposed | 207.2% (price as of 2026-08-19) |
| June 4, 2021 | NTRA | S 10b5-1 | 3,140 | $97.51 | $306,181 | 47,367 Direct | -6.22% | Disposed | 223.2% (price as of 2026-08-19) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| July 21, 2022 | NTRA | Restricted Stock Unit | Common Stock (644) | — | — | 644 | Disposed |
| June 27, 2022 | NTRA | Restricted Stock Unit | Common Stock (1,363) | — | — | 1,363 | Disposed |
| June 22, 2022 | NTRA | Restricted Stock Unit | Common Stock (892) | — | — | 892 | Disposed |
| April 21, 2022 | NTRA | Restricted Stock Unit | Common Stock (644) | — | — | 644 | Disposed |
| March 27, 2022 | NTRA | Restricted Stock Unit | Common Stock (1,364) | — | — | 1,364 | Disposed |
| March 22, 2022 | NTRA | Restricted Stock Unit | Common Stock (893) | — | — | 893 | Disposed |
| March 9, 2022 | NTRA | Restricted Stock Unit | Common Stock (1,771) | — | — | 1,771 | Disposed |
| Jan. 28, 2022 | NTRA | Restricted Stock Unit | Common Stock (13,696) | — | — | 13,696 | Acquired |
| Jan. 28, 2022 | NTRA | Restricted Stock Unit | Common Stock (13,696) | — | — | 13,696 | Acquired |
| Jan. 21, 2022 | NTRA | Restricted Stock Unit | Common Stock (2,576) | — | — | 2,576 | Disposed |
| Jan. 14, 2022 | NTRA | Stock Option (right to buy) | Common Stock (40,385) | $9.59 | April 7, 2026 | 40,385 | Disposed |
| Jan. 14, 2022 | NTRA | Stock Option (right to buy) | Common Stock (40,000) | $10.41 | June 8, 2027 | 40,000 | Disposed |
| Dec. 27, 2021 | NTRA | Restricted Stock Unit | Common Stock (1,363) | — | — | 1,363 | Disposed |
| Dec. 22, 2021 | NTRA | Restricted Stock Unit | Common Stock (892) | — | — | 892 | Disposed |
| Dec. 9, 2021 | NTRA | Restricted Stock Unit | Common Stock (1,771) | — | — | 1,771 | Disposed |
| Dec. 4, 2021 | NTRA | Restricted Stock Unit | Common Stock (6,250) | — | — | 6,250 | Disposed |
| Oct. 22, 2021 | NTRA | Restricted Stock Unit | Common Stock (10,000) | — | — | 10,000 | Acquired |
| Sept. 27, 2021 | NTRA | Restricted Stock Unit | Common Stock (1,364) | — | — | 1,364 | Disposed |
| Sept. 22, 2021 | NTRA | Restricted Stock Unit | Common Stock (893) | — | — | 893 | Disposed |
| Sept. 9, 2021 | NTRA | Restricted Stock Unit | Common Stock (1,771) | — | — | 1,771 | Disposed |
| June 27, 2021 | NTRA | Restricted Stock Unit | Common Stock (1,363) | — | — | 1,363 | Disposed |
| June 22, 2021 | NTRA | Restricted Stock Unit | Common Stock (892) | — | — | 892 | Disposed |
| June 9, 2021 | NTRA | Restricted Stock Unit | Common Stock (1,771) | — | — | 1,771 | Disposed |
| June 3, 2021 | NTRA | Restricted Stock Unit | Common Stock (6,250) | — | — | 6,250 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 12 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| April 23, 2021 | NTRA | Common Stock | 44,257 | Direct |
| April 23, 2021 | NTRA | Stock Option→ Common Stock (40,385) | 40,385 | Direct |
| April 23, 2021 | NTRA | Stock Option→ Common Stock (67,500) | 67,500 | Direct |
| April 23, 2021 | NTRA | Stock Option→ Common Stock (28,333) | 28,333 | Direct |
| April 23, 2021 | NTRA | Restricted Stock Unit [F4]→ Common Stock (7,084) | 7,084 | Direct |
| April 23, 2021 | NTRA | Stock Option→ Common Stock (42,500) | 42,500 | Direct |
| April 23, 2021 | NTRA | Restricted Stock Unit [F4]→ Common Stock (7,140) | 7,140 | Direct |
| April 23, 2021 | NTRA | Restricted Stock Unit [F8]→ Common Stock (6,450) | 6,450 | Direct |
| April 23, 2021 | NTRA | Restricted Stock Unit [F4]→ Common Stock (16,362) | 16,362 | Direct |
| April 23, 2021 | NTRA | Restricted Stock Unit [F8]→ Common Stock (12,500) | 12,500 | Direct |
| April 23, 2021 | NTRA | Restricted Stock Unit [F4]→ Common Stock (10,304) | 10,304 | Direct |
| April 23, 2021 | NTRA | Restricted Stock Unit [F8]→ Common Stock (10,304) | 10,304 | Direct |