Insider at

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Insider transactions

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0 buys (P) 0 sells (S) Net: $0 + 13 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

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Jan. 26, 2015 NSPR A 78,515 · · 78,515 Direct · Acquired (price as of 2026-10-02)
Jan. 26, 2015 NSPR A 46,875 · · 342,919 Direct +15.83% Acquired (price as of 2026-10-02)
Jan. 31, 2014 NSPR A 96,670 · · 96,670 Direct · Acquired (price as of 2026-10-02)
Jan. 31, 2014 NSPR A 29,735 · · 296,044 Direct +11.17% Acquired (price as of 2026-10-02)
Oct. 17, 2012 NSPR M 456,530 · · 152,177 Direct -75.00% Disposed (price as of 2026-10-02)
Oct. 17, 2012 NSPR M 365,224 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
Oct. 17, 2012 NSPR M 243,481 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
Oct. 17, 2012 NSPR M 456,530 · · 1,065,235 Direct +75.00% Acquired (price as of 2026-10-02)
Oct. 17, 2012 NSPR M 365,224 · · 608,705 Direct +150.00% Acquired (price as of 2026-10-02)
Oct. 17, 2012 NSPR M 243,481 · · 243,481 Direct · Acquired (price as of 2026-10-02)
Aug. 31, 2011 NSPR A 200,000 · · 200,000 Direct · Acquired (price as of 2026-10-02)
Aug. 31, 2011 NSPR D 200,000 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
June 1, 2011 NSPR A 200,000 · · 200,000 Direct · Acquired (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
Jan. 26, 2015 NSPR Stock Options (right to buy) Common Stock (78,515) $0.72 Jan. 26, 2025 78,515 Acquired
Jan. 31, 2014 NSPR Stock Options (right to buy) Common Stock (96,670) $2.97 Jan. 31, 2024 96,670 Acquired
Oct. 17, 2012 NSPR Options to Purchase Common Stock Common Stock (0) $0.00 July 22, 2020 456,530 Disposed
Oct. 17, 2012 NSPR Options to Purchase Common Stock Common Stock (365,224) $0.00 Dec. 29, 2016 365,224 Disposed
Oct. 17, 2012 NSPR Options to Purchase Common Stock Common Stock (243,481) $0.00 Oct. 28, 2016 243,481 Disposed
Aug. 31, 2011 NSPR Options to Purchase Common Stock Common Stock (200,000) $1.93 May 23, 2016 200,000 Acquired
Aug. 31, 2011 NSPR Options to Purchase Common Stock Common Stock (200,000) $2.75 May 23, 2016 200,000 Disposed
June 1, 2011 NSPR Options to Purchase Common Stock Common Stock (200,000) $2.75 May 23, 2016 200,000 Acquired

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

Initial ownership (Form 3) 4 holdings

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

DateTickerSecuritySharesOwnership
Nov. 9, 2012 NSPR Options to Purchase Common Stock→ Common Stock (243,481) 243,481 Direct
Nov. 9, 2012 NSPR Options to Purchase Common Stock→ Common Stock (365,224) 365,224 Direct
Nov. 9, 2012 NSPR Options to Purchase Common Stock→ Common Stock (608,707) 608,707 Direct
Nov. 9, 2012 NSPR Options to Purchase Common Stock→ Common Stock (81,161) 81,161 Direct

Compensation (DEF 14A)

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

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2014 $182,480 $19,191 $88,313 $176,656 · · $61,934 $528,574
2012 $77,100 $12,850 · · · · $22,482 $112,432
2011 $122,760 · · $185,175 · · $42,459 $350,394

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