Matthew Rabinowitz

CIK 1646382 · View on SEC EDGAR ↗

Insider

First SEC filing: July 1, 2015 · Latest: June 16, 2026

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Insider at

Insider transactions

0 buys (P) 25 sells (S) Net: $-23,012,521 + 59 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

59 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Aug. 7, 2026 NTRA S 10b5-1 2,000 $320.90 $641,800 2,000 Indirect -50.00% Disposed 2.4% (price as of 2026-08-20)
Aug. 3, 2026 NTRA S 10b5-1 731 $267.99 $195,901 2,275,394 Direct -0.03% Disposed 22.6% (price as of 2026-08-20)
July 27, 2026 NTRA S 10b5-1 1,718 $260.49 $447,522 2,276,125 Direct -0.08% Disposed 26.1% (price as of 2026-08-20)
July 6, 2026 NTRA S 10b5-1 1,000 $280.00 $280,000 4,000 Indirect -20.00% Disposed 17.3% (price as of 2026-08-20)
June 15, 2026 NTRA S 10b5-1 400 $218.72 $87,488 2,277,843 Direct -0.02% Disposed 50.2% (price as of 2026-08-20)
June 15, 2026 NTRA S 10b5-1 3,811 $217.60 $829,274 2,278,243 Direct -0.17% Disposed 51.0% (price as of 2026-08-20)
June 15, 2026 NTRA S 10b5-1 6,741 $216.81 $1,461,516 2,282,054 Direct -0.29% Disposed 51.5% (price as of 2026-08-20)
June 15, 2026 NTRA S 10b5-1 11,877 $215.91 $2,564,363 2,288,795 Direct -0.52% Disposed 52.2% (price as of 2026-08-20)
June 15, 2026 NTRA S 10b5-1 10,338 $214.72 $2,219,775 2,300,672 Direct -0.45% Disposed 53.0% (price as of 2026-08-20)
June 15, 2026 NTRA S 10b5-1 7,836 $213.88 $1,675,964 2,311,010 Direct -0.34% Disposed 53.6% (price as of 2026-08-20)
June 15, 2026 NTRA S 10b5-1 5,097 $212.84 $1,084,845 2,318,846 Direct -0.22% Disposed 54.4% (price as of 2026-08-20)
June 15, 2026 NTRA S 10b5-1 1,237 $211.81 $262,009 2,323,943 Direct -0.05% Disposed 55.1% (price as of 2026-08-20)
June 15, 2026 NTRA S 10b5-1 1,832 $210.73 $386,057 2,325,180 Direct -0.08% Disposed 55.9% (price as of 2026-08-20)
June 15, 2026 NTRA S 10b5-1 831 $209.83 $174,369 2,327,012 Direct -0.04% Disposed 56.6% (price as of 2026-08-20)
June 12, 2026 NTRA S 10b5-1 1,605 $219.36 $352,073 2,327,843 Direct -0.07% Disposed 49.8% (price as of 2026-08-20)
June 12, 2026 NTRA S 10b5-1 2,133 $218.17 $465,357 2,329,448 Direct -0.09% Disposed 50.6% (price as of 2026-08-20)
June 12, 2026 NTRA S 10b5-1 4,276 $217.32 $929,260 2,331,581 Direct -0.18% Disposed 51.2% (price as of 2026-08-20)
June 12, 2026 NTRA S 10b5-1 7,182 $216.51 $1,554,975 2,335,857 Direct -0.31% Disposed 51.7% (price as of 2026-08-20)
June 12, 2026 NTRA S 10b5-1 3,161 $215.38 $680,816 2,343,039 Direct -0.13% Disposed 52.5% (price as of 2026-08-20)
June 12, 2026 NTRA S 10b5-1 5,707 $214.35 $1,223,295 2,346,200 Direct -0.24% Disposed 53.3% (price as of 2026-08-20)
June 12, 2026 NTRA S 10b5-1 5,034 $213.43 $1,074,407 2,351,907 Direct -0.21% Disposed 53.9% (price as of 2026-08-20)
June 12, 2026 NTRA S 10b5-1 12,142 $212.27 $2,577,382 2,356,941 Direct -0.51% Disposed 54.8% (price as of 2026-08-20)
June 12, 2026 NTRA S 10b5-1 2,957 $211.61 $625,731 2,369,083 Direct -0.12% Disposed 55.3% (price as of 2026-08-20)
June 12, 2026 NTRA S 10b5-1 3,267 $210.30 $687,050 2,372,040 Direct -0.14% Disposed 56.2% (price as of 2026-08-20)
June 12, 2026 NTRA S 10b5-1 2,536 $209.50 $531,292 2,375,307 Direct -0.11% Disposed 56.8% (price as of 2026-08-20)
March 23, 2023 NTRA S 10b5-1 120 $56.08 $6,730 640,084 Direct -0.02% Disposed 485.9% (price as of 2026-08-20)
March 22, 2023 NTRA S 10b5-1 2,484 $56.32 $139,899 639,803 Direct -0.39% Disposed 483.4% (price as of 2026-08-20)
Jan. 3, 2023 NTRA S 10b5-1 2,706 $39.55 $107,022 639,803 Direct -0.42% Disposed 730.7% (price as of 2026-08-20)
May 12, 2022 NTRA P 10b5-1 41,026 $28.09 $1,152,420 241,026 Indirect +20.51% Acquired 1069.6% (price as of 2026-08-20)
May 12, 2022 NTRA P 10b5-1 159,783 $28.81 $4,603,348 400,989 Indirect +66.24% Acquired 1040.4% (price as of 2026-08-20)
May 12, 2022 NTRA P 10b5-1 19,011 $29.56 $561,965 420,000 Indirect +4.74% Acquired 1011.5% (price as of 2026-08-20)
Oct. 14, 2021 NTRA S 10b5-1 122 $112.19 $13,687 582,494 Direct -0.02% Disposed 192.9% (price as of 2026-08-20)
Sept. 23, 2021 NTRA S 10b5-1 159 $125.67 $19,982 582,309 Direct -0.03% Disposed 161.4% (price as of 2026-08-20)
Sept. 10, 2021 NTRA S 10b5-1 876 $119.53 $104,708 582,068 Direct -0.15% Disposed 174.9% (price as of 2026-08-20)
July 14, 2021 NTRA S 10b5-1 76 $116.20 $8,831 580,126 Direct -0.01% Disposed 182.7% (price as of 2026-08-20)
June 23, 2021 NTRA S 10b5-1 99 $115.18 $11,403 579,895 Direct -0.02% Disposed 185.2% (price as of 2026-08-20)
June 10, 2021 NTRA S 10b5-1 698 $102.60 $71,615 579,594 Direct -0.12% Disposed 220.2% (price as of 2026-08-20)
April 14, 2021 NTRA S 10b5-1 76 $108.54 $8,249 577,474 Direct -0.01% Disposed 202.7% (price as of 2026-08-20)
March 23, 2021 NTRA S 10b5-1 101 $101.72 $10,274 577,243 Direct -0.02% Disposed 223.0% (price as of 2026-08-20)
March 10, 2021 NTRA S 10b5-1 766 $97.31 $74,539 576,943 Direct -0.13% Disposed 237.6% (price as of 2026-08-20)
Feb. 1, 2021 NTRA S 10b5-1 212 $107.40 $22,769 574,891 Direct -0.04% Disposed 205.9% (price as of 2026-08-20)

Showing latest 100 of 252 transactions

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
March 22, 2023 NTRA Restricted Stock Unit Common Stock (401) 401 Disposed
Jan. 27, 2023 NTRA Stock Option (right to buy) Common Stock (152,643) $43.74 Jan. 26, 2033 152,643 Acquired
Jan. 27, 2023 NTRA Stock Option (right to buy) Common Stock (152,643) $43.74 Jan. 26, 2033 152,643 Acquired
Dec. 31, 2022 NTRA Restricted Stock Unit Common Stock (6,763) 6,763 Disposed
Dec. 22, 2022 NTRA Restricted Stock Unit Common Stock (400) 400 Disposed
Sept. 22, 2022 NTRA Restricted Stock Unit Common Stock (400) 400 Disposed
June 22, 2022 NTRA Restricted Stock Unit Common Stock (400) 400 Disposed
May 13, 2022 NTRA Restricted Stock Unit Common Stock (6,763) 6,763 Acquired
April 13, 2022 NTRA Restricted Stock Unit Common Stock (307) 307 Disposed
March 22, 2022 NTRA Restricted Stock Unit Common Stock (401) 401 Disposed
March 14, 2022 NTRA Stock Option (right to buy) Common Stock (160,000) $2.66 Feb. 25, 2024 160,000 Disposed
March 9, 2022 NTRA Stock Option (right to buy) Common Stock (90,000) $2.66 Feb. 24, 2024 90,000 Disposed
March 9, 2022 NTRA Restricted Stock Unit Common Stock (2,819) 2,819 Disposed
Jan. 28, 2022 NTRA Stock Option (right to buy) Common Stock (110,000) $65.47 Jan. 27, 2032 110,000 Acquired
Jan. 28, 2022 NTRA Stock Option (right to buy) Common Stock (110,000) $65.47 Jan. 27, 2032 110,000 Acquired
Jan. 13, 2022 NTRA Restricted Stock Unit Common Stock (307) 307 Disposed
Dec. 22, 2021 NTRA Restricted Stock Unit Common Stock (400) 400 Disposed
Dec. 9, 2021 NTRA Restricted Stock Unit Common Stock (2,818) 2,818 Disposed
Oct. 13, 2021 NTRA Restricted Stock Unit Common Stock (307) 307 Disposed
Sept. 22, 2021 NTRA Restricted Stock Unit Common Stock (400) 400 Disposed
Sept. 9, 2021 NTRA Restricted Stock Unit Common Stock (2,818) 2,818 Disposed
July 13, 2021 NTRA Restricted Stock Unit Common Stock (307) 307 Disposed
June 22, 2021 NTRA Restricted Stock Unit Common Stock (400) 400 Disposed
June 9, 2021 NTRA Restricted Stock Units Common Stock (2,818) 2,818 Disposed
May 28, 2021 NTRA Stock Option (right to buy) Common Stock (28,621) $94.14 May 27, 2031 28,621 Acquired
May 28, 2021 NTRA Stock Option (right to buy) Common Stock (28,621) $94.14 May 27, 2031 28,621 Acquired
May 28, 2021 NTRA Stock Option (right to buy) Common Stock (162,758) $94.14 May 27, 2031 162,758 Acquired
April 13, 2021 NTRA Restricted Stock Units Common Stock (307) 307 Disposed
March 22, 2021 NTRA Restricted Stock Units Common Stock (401) 401 Disposed
March 9, 2021 NTRA Restricted Stock Units Common Stock (2,818) 2,818 Disposed
Jan. 29, 2021 NTRA Restricted Stock Units Common Stock (307) 307 Disposed
Jan. 29, 2021 NTRA Restricted Stock Units Common Stock (400) 400 Disposed
Dec. 9, 2020 NTRA Restricted Stock Units Common Stock (2,818) 2,818 Disposed
Oct. 13, 2020 NTRA Restricted Stock Unit Common Stock (307) 307 Disposed
Sept. 22, 2020 NTRA Restricted Stock Unit Common Stock (400) 400 Disposed
Sept. 9, 2020 NTRA Restricted Stock Unit Common Stock (2,819) 2,819 Disposed
July 13, 2020 NTRA Restricted Stock Unit Common Stock (307) 307 Disposed
June 30, 2020 NTRA Employee Stock Option (right to buy) Common Stock (600,000) $13.04 Dec. 28, 2028 600,000 Acquired
June 22, 2020 NTRA Restricted Stock Unit Common Stock (400) 400 Disposed
June 9, 2020 NTRA Restricted Stock Unit Common Stock (2,818) 2,818 Disposed
April 13, 2020 NTRA Restricted Stock Unit Common Stock (307) 307 Disposed
March 27, 2020 NTRA Stock Options (right to buy) Common Stock (128,500) $25.46 March 26, 2030 128,500 Acquired
March 27, 2020 NTRA Stock Options (right to buy) Common Stock (128,500) $25.46 March 26, 2030 128,500 Acquired
March 22, 2020 NTRA Restricted Stock Unit Common Stock (1,600) 1,600 Disposed
March 9, 2020 NTRA Restricted Stock Unit Common Stock (2,818) 2,818 Disposed
Jan. 13, 2020 NTRA Restricted Stock Unit Common Stock (307) 307 Disposed
Dec. 9, 2019 NTRA Restricted Stock Unit Common Stock (2,818) 2,818 Disposed
Oct. 13, 2019 NTRA Restricted Stock Unit Common Stock (307) 307 Disposed
Sept. 19, 2019 NTRA Employee Stock Option (right to buy) Common Stock (75,000) $10.41 June 8, 2027 75,000 Acquired
Sept. 9, 2019 NTRA Restricted Stock Unit Common Stock (2,818) 2,818 Disposed
July 13, 2019 NTRA Restricted Stock Unit Common Stock (306) 306 Disposed
June 9, 2019 NTRA Restricted Stock Unit Common Stock (2,818) 2,818 Disposed
April 13, 2019 NTRA Restricted Stock Unit Common Stock (1,227) 1,227 Disposed
April 12, 2019 NTRA Restricted Stock Units Common Stock (6,403) 6,403 Acquired
April 12, 2019 NTRA Stock Option (right to buy) Common Stock (220,000) $20.27 April 11, 2029 220,000 Acquired
March 21, 2019 NTRA Employee Stock Option (right to buy) Common Stock (50,000) $10.41 June 8, 2027 50,000 Acquired
March 21, 2019 NTRA Employee Stock Option (right to buy) Common Stock (75,000) $10.41 June 8, 2027 75,000 Acquired
March 9, 2019 NTRA Restricted Stock Unit Common Stock (11,272) 11,272 Disposed
Jan. 8, 2019 NTRA Stock Option (Right to Buy) Common Stock (341,032) $0.55 May 18, 2021 341,032 Disposed
Jan. 8, 2019 NTRA Stock Option (Right to Buy) Common Stock (324,205) $1.14 Sept. 19, 2022 324,205 Disposed
April 13, 2018 NTRA Restricted Stock Units Common Stock (4,910) 4,910 Acquired
April 13, 2018 NTRA Stock Option (right to buy) Common Stock (20,180) $10.29 April 12, 2028 20,180 Acquired
April 11, 2018 NTRA Employee Stock Option (right to buy) Common Stock (75,000) $10.41 June 8, 2027 75,000 Acquired
March 9, 2018 NTRA Restricted Stock Units Common Stock (45,090) 45,090 Acquired
March 9, 2018 NTRA Stock Option (right to buy) Common Stock (179,820) $9.29 March 8, 2028 179,820 Acquired
June 9, 2017 NTRA Stock Option (right to buy) Common Stock (225,000) $10.41 June 8, 2027 225,000 Acquired
May 9, 2016 NTRA Stock Option (right to buy) Common Stock (180,439) $0.62 May 18, 2016 180,439 Disposed
April 8, 2016 NTRA Stock Option (right to buy) Common Stock (300,000) $9.59 April 7, 2026 300,000 Acquired
July 8, 2015 NTRA Series A-1 Preferred Stock Common Stock (1,292,996) 1,292,996 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 9 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
July 1, 2015 NTRA Common Stock 1,719,781 Direct
July 1, 2015 NTRA Common Stock 613,496 Indirect
July 1, 2015 NTRA Stock Option (right to buy)→ Common Stock (180,439) 180,439 Direct
July 1, 2015 NTRA Stock Option (right to buy)→ Common Stock (341,032) 341,032 Direct
July 1, 2015 NTRA Stock Option (right to buy)→ Common Stock (248,800) 248,800 Direct
July 1, 2015 NTRA Stock Option (right to buy)→ Common Stock (324,205) 324,205 Direct
July 1, 2015 NTRA Stock Option (right to buy)→ Common Stock (630,036) 630,036 Direct
July 1, 2015 NTRA Stock Option (right to buy)→ Common Stock (613,496) 613,496 Direct
July 1, 2015 NTRA Series A-1 Preferred Stock→ Common Stock (1,292,996) 1,292,996 Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2019 $334,772 $129,789 $1,887,600 $162,403 $2,514,564
2018 $500,000 $110,511 $469,410 $4,074,476 $213,110 $5,367,507
2017 $505,443 $2,422,500 $76,989 $3,004,932

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.