Insider at

04

Insider transactions

05
14 buys (P) 0 sells (S) Net: $26,845 + 53 non-open-market transactions below Avg return of open purchases vs now: -45.7% 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

53 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
March 6, 2026 NAII P 532 $2.80 $1,490 160,221 Direct +0.33% Acquired -47.1% (price as of 2026-10-02)
March 5, 2026 NAII P 218 $2.75 $600 159,689 Direct +0.14% Acquired -46.2% (price as of 2026-10-02)
March 4, 2026 NAII P 500 $2.77 $1,385 159,471 Direct +0.31% Acquired -46.6% (price as of 2026-10-02)
March 2, 2026 NAII P 500 $2.79 $1,395 158,971 Direct +0.32% Acquired -47.0% (price as of 2026-10-02)
Feb. 27, 2026 NAII P 500 $2.85 $1,425 158,471 Direct +0.32% Acquired -48.1% (price as of 2026-10-02)
Feb. 27, 2026 NAII P 250 $2.80 $700 157,971 Direct +0.16% Acquired -47.1% (price as of 2026-10-02)
Feb. 26, 2026 NAII P 500 $2.85 $1,425 157,721 Direct +0.32% Acquired -48.1% (price as of 2026-10-02)
Feb. 25, 2026 NAII P 500 $2.81 $1,405 157,221 Direct +0.32% Acquired -47.3% (price as of 2026-10-02)
Feb. 24, 2026 NAII P 1,000 $2.71 $2,710 156,971 Direct +0.64% Acquired -45.4% (price as of 2026-10-02)
Feb. 23, 2026 NAII P 750 $2.70 $2,025 155,971 Direct +0.48% Acquired -45.2% (price as of 2026-10-02)
Feb. 20, 2026 NAII P 250 $2.66 $665 155,221 Direct +0.16% Acquired -44.4% (price as of 2026-10-02)
Feb. 19, 2026 NAII P 1,500 $2.56 $3,840 154,721 Direct +0.98% Acquired -42.2% (price as of 2026-10-02)
Feb. 18, 2026 NAII P 500 $2.56 $1,280 153,221 Direct +0.33% Acquired -42.2% (price as of 2026-10-02)
Feb. 17, 2026 NAII P 2,500 $2.60 $6,500 152,721 Direct +1.66% Acquired -43.1% (price as of 2026-10-02)
Sept. 1, 2021 NAII S 10b5-1 2,500 $16.22 $40,550 158,712 Direct -1.55% Disposed -90.9% (price as of 2026-10-02)
Sept. 1, 2021 NAII S 10b5-1 2,500 $16.21 $40,525 481,905 Indirect -0.52% Disposed -90.9% (price as of 2026-10-02)
Aug. 30, 2021 NAII S 10b5-1 2,500 $15.68 $39,200 161,212 Direct -1.53% Disposed -90.6% (price as of 2026-10-02)
Aug. 30, 2021 NAII S 10b5-1 2,500 $15.65 $39,125 484,405 Indirect -0.51% Disposed -90.5% (price as of 2026-10-02)
Aug. 3, 2021 NAII S 10b5-1 4,700 $17.44 $81,968 163,712 Direct -2.79% Disposed -91.5% (price as of 2026-10-02)
Aug. 3, 2021 NAII S 10b5-1 4,800 $17.44 $83,712 486,905 Indirect -0.98% Disposed -91.5% (price as of 2026-10-02)
Aug. 2, 2021 NAII S 10b5-1 5,300 $17.36 $92,008 168,412 Direct -3.05% Disposed -91.5% (price as of 2026-10-02)
Aug. 2, 2021 NAII S 10b5-1 5,200 $17.37 $90,324 491,705 Indirect -1.05% Disposed -91.5% (price as of 2026-10-02)
July 14, 2021 NAII S 10b5-1 5,000 $17.43 $87,150 16,193 Direct -23.59% Disposed -91.5% (price as of 2026-10-02)
July 14, 2021 NAII S 10b5-1 5,000 $17.44 $87,200 500,905 Indirect -0.99% Disposed -91.5% (price as of 2026-10-02)
July 12, 2021 NAII S 10b5-1 5,000 $17.50 $87,500 21,193 Direct -19.09% Disposed -91.5% (price as of 2026-10-02)
July 12, 2021 NAII S 10b5-1 5,000 $17.46 $87,300 505,905 Indirect -0.98% Disposed -91.5% (price as of 2026-10-02)
July 2, 2021 NAII S 10b5-1 3,000 $17.40 $52,200 26,193 Direct -10.28% Disposed -91.5% (price as of 2026-10-02)
July 2, 2021 NAII S 10b5-1 3,095 $17.41 $53,884 510,905 Indirect -0.60% Disposed -91.5% (price as of 2026-10-02)
June 30, 2021 NAII S 10b5-1 5,000 $15.94 $79,700 29,193 Direct -14.62% Disposed -90.7% (price as of 2026-10-02)
June 30, 2021 NAII S 10b5-1 5,000 $16.01 $80,050 514,000 Indirect -0.96% Disposed -90.8% (price as of 2026-10-02)
April 19, 2021 NAII S 10b5-1 5,000 $17.58 $87,900 34,193 Direct -12.76% Disposed -91.6% (price as of 2026-10-02)
April 19, 2021 NAII S 10b5-1 5,000 $17.58 $87,900 519,000 Indirect -0.95% Disposed -91.6% (price as of 2026-10-02)
April 5, 2021 NAII S 10b5-1 2,500 $16.20 $40,500 35,091 Direct -6.65% Disposed -90.9% (price as of 2026-10-02)
April 5, 2021 NAII S 10b5-1 2,500 $16.20 $40,500 520,000 Indirect -0.48% Disposed -90.9% (price as of 2026-10-02)
April 1, 2021 NAII S 10b5-1 1,602 $15.50 $24,831 37,591 Direct -4.09% Disposed -90.5% (price as of 2026-10-02)
April 1, 2021 NAII S 10b5-1 1,500 $15.50 $23,250 522,500 Indirect -0.29% Disposed -90.5% (price as of 2026-10-02)
March 31, 2021 NAII S 10b5-1 898 $15.50 $13,919 39,193 Direct -2.24% Disposed -90.5% (price as of 2026-10-02)
March 31, 2021 NAII S 10b5-1 1,000 $15.50 $15,500 524,000 Indirect -0.19% Disposed -90.5% (price as of 2026-10-02)
Dec. 15, 2020 NAII S 5,000 $9.60 $48,000 525,000 Indirect -0.94% Disposed -84.6% (price as of 2026-10-02)
Nov. 16, 2020 NAII S 11,006 $10.35 $113,912 55,887 Direct -16.45% Disposed -85.7% (price as of 2026-10-02)
Nov. 23, 2016 NAII S 3,008 $13.32 $40,067 535,000 Indirect -0.56% Disposed -88.9% (price as of 2026-10-02)
Nov. 22, 2016 NAII S 6,992 $13.27 $92,784 538,008 Indirect -1.28% Disposed -88.8% (price as of 2026-10-02)
Nov. 16, 2016 NAII S 11,389 $12.00 $136,668 82,012 Direct -12.19% Disposed -87.7% (price as of 2026-10-02)
March 10, 2015 NAII S 12,851 $5.48 $70,423 545,000 Indirect -2.30% Disposed -73.0% (price as of 2026-10-02)
June 6, 2012 NAII S 20,000 $6.74 $134,800 557,851 Indirect -3.46% Disposed -78.0% (price as of 2026-10-02)
June 6, 2012 NAII S 10,000 $6.74 $67,400 185,037 Direct -5.13% Disposed -78.0% (price as of 2026-10-02)
Oct. 18, 2011 NAII P 100 $5.44 $544 41,416 Indirect +0.24% Acquired -72.8% (price as of 2026-10-02)

Showing latest 100 of 166 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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Dec. 3, 2010 NAII Incentive stock option (right to buy) Common Stock (15,500) $7.50 Dec. 2, 2020 15,500 Acquired
Dec. 3, 2010 NAII Non-qualified stock option (right to buy) Common Stock (24,500) $7.50 Dec. 2, 2020 24,500 Acquired
June 4, 2010 NAII Incentive Stock Option (right to buy) Common Stock (20,000) $2.00 Aug. 27, 2010 20,000 Disposed
June 29, 2009 NAII Incentive stock option (right to buy) Common Stock (25,000) $7.35 June 28, 2014 25,000 Acquired
Sept. 8, 2008 NAII Nonqualified Stock Option (right to buy) Common Stock (6,370) $5.59 Sept. 8, 2008 6,370 Disposed
Sept. 8, 2008 NAII Incentive Stock Option (right to buy) Common Stock (23,630) $5.59 Sept. 8, 2008 23,630 Disposed
Aug. 8, 2007 NAII Incentive Stock Option (right to buy) Common Stock (25,000) $3.02 Aug. 19, 2007 25,000 Disposed
Nov. 29, 2005 NAII Employee (Incentive) Stock Option (right to buy) Common Stock (5,000) $2.00 Aug. 27, 2010 5,000 Disposed
July 9, 2004 NAII Employee (Incentive) Stock Option (right to buy) Common Stock (5,000) $2.00 Aug. 27, 2010 5,000 Disposed
Aug. 20, 2002 NAII Employee (incentive) Stock Option (right to buy) Common Stock (25,000) $3.02 Aug. 19, 2007 25,000 Acquired

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

Compensation (DEF 14A)

08

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

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2025 $475,000 · · · · · $87,520 $562,520
2024 $475,000 · $101,150 · · · $69,006 $794,006
2023 $493,269 $120,250 $132,900 · · · $53,734 $915,154

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