Insider at

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Insider transactions

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0 buys (P) 0 sells (S) Net: $0 + 31 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

31 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
May 31, 2018 NTRA S 1,361 $11.59 $15,774 0 Indirect -100.00% Disposed 3440.6% (price as of 2026-10-02)
June 19, 2016 NTRA P 66,621 $11.94 $795,455 83,752 Direct +388.89% Acquired 3336.8% (price as of 2026-10-02)
June 19, 2016 NTRA P 17,131 $11.94 $204,544 17,131 Direct · Acquired 3336.8% (price as of 2026-10-02)

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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
May 16, 2019 NTRA Restricted Stock Unit Common Stock (7,278) · · 7,278 Disposed
April 12, 2019 NTRA Restricted Stock Units Common Stock (7,278) · · 7,278 Acquired
Jan. 25, 2019 NTRA Stock Option (right to buy) Common Stock (1,774) $13.60 Jan. 24, 2029 1,774 Acquired
Oct. 26, 2018 NTRA Stock Option (right to buy) Common Stock (1,165) $20.27 Oct. 25, 2028 1,165 Acquired
Sept. 14, 2018 NTRA Restricted Stock Units Common Stock (5,785) · · 5,785 Acquired
Sept. 14, 2018 NTRA Restricted Stock Units Common Stock (5,785) · · 5,785 Acquired
Sept. 14, 2018 NTRA Stock Option (right to buy) Common Stock (11,169) $24.42 Sept. 13, 2028 11,169 Acquired
July 13, 2018 NTRA Stock Option (right to buy) Common Stock (1,093) $21.59 July 12, 2028 1,093 Acquired
April 13, 2018 NTRA Stock Option (right to buy) Common Stock (2,298) $10.29 April 12, 2028 2,298 Acquired
Dec. 8, 2017 NTRA Stock Option (right to buy) Common Stock (2,517) $9.51 Dec. 7, 2027 2,517 Acquired
July 14, 2017 NTRA Stock Option (right to buy) Common Stock (1,864) $10.73 July 13, 2027 1,864 Acquired
June 9, 2017 NTRA Stock Option (right to buy) Common Stock (11,169) $10.41 June 8, 2027 11,169 Acquired
April 17, 2017 NTRA Stock Option (right to buy) Common Stock (2,554) $7.86 April 16, 2027 2,554 Acquired
Feb. 10, 2017 NTRA Stock Option (right to buy) Common Stock (2,140) $9.37 Feb. 9, 2027 2,140 Acquired
Nov. 11, 2016 NTRA NonQualified Stock Option (right to buy) Common Stock (1,811) $11.15 Nov. 10, 2026 1,811 Acquired
Aug. 12, 2016 NTRA NonQualified Stock Option (right to buy) Common Stock (1,656) $11.00 Aug. 11, 2026 1,656 Acquired
June 10, 2016 NTRA NonQualified Stock Option (right to buy) Common Stock (11,169) $11.80 June 9, 2026 11,169 Acquired
April 8, 2016 NTRA NonQualified Stock Option (right to buy) Common Stock (1,856) $9.59 April 7, 2026 1,856 Acquired
Feb. 12, 2016 NTRA Non-Qualified Stock Option (right to buy) Common Stock (2,549) $7.00 Feb. 11, 2026 2,549 Acquired
Nov. 13, 2015 NTRA Stock Option (right to buy) Common Stock (1,781) $9.97 Nov. 12, 2025 1,781 Acquired

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

Initial ownership (Form 3) 1 holding

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

DateTickerSecuritySharesOwnership
July 1, 2015 NTRA No securities are beneficially owned 0 Direct