Kenneth D Walker
First SEC filing: Nov. 6, 2012 · Latest: Nov. 6, 2012
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 2, 2016 | NPO | D | 1,661 | $56.82 | $94,378 | 24,067 Direct | -6.46% | Disposed | 485.3% (price as of 2026-10-02) |
| Feb. 23, 2016 | NPO | A | 4,761 | $44.34 | $211,103 | 4,761 Direct | · | Acquired | 650.0% (price as of 2026-10-02) |
| Feb. 23, 2016 | NPO | A | 3,553 | $43.85 | $155,799 | 26,896 Direct | +15.22% | Acquired | 658.4% (price as of 2026-10-02) |
| Feb. 23, 2016 | NPO | F | 1,168 | $43.85 | $51,217 | 25,728 Direct | -4.34% | Disposed | 658.4% (price as of 2026-10-02) |
| Feb. 23, 2016 | NPO | A | 4,597 | $44.34 | $203,831 | 4,597 Direct | · | Acquired | 650.0% (price as of 2026-10-02) |
| Feb. 5, 2016 | NPO | M | 1,813 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 5, 2016 | NPO | F | 690 | $42.33 | $29,208 | 23,343 Direct | -2.87% | Disposed | 685.6% (price as of 2026-10-02) |
| Feb. 5, 2016 | NPO | M | 1,813 | · | · | 24,033 Direct | +8.16% | Acquired | (price as of 2026-10-02) |
| Feb. 18, 2015 | NPO | A | 3,818 | $63.81 | $243,627 | 3,818 Direct | · | Acquired | 421.2% (price as of 2026-10-02) |
| Feb. 18, 2015 | NPO | F | 328 | $64.54 | $21,169 | 22,220 Direct | -1.45% | Disposed | 415.3% (price as of 2026-10-02) |
| Feb. 18, 2015 | NPO | A | 1,109 | $64.54 | $71,575 | 22,548 Direct | +5.17% | Acquired | 415.3% (price as of 2026-10-02) |
| Feb. 6, 2015 | NPO | F | 291 | $62.12 | $18,077 | 21,439 Direct | -1.34% | Disposed | 435.4% (price as of 2026-10-02) |
| Feb. 6, 2015 | NPO | M | 813 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 6, 2015 | NPO | F | 291 | $62.12 | $18,077 | 22,021 Direct | -1.30% | Disposed | 435.4% (price as of 2026-10-02) |
| Feb. 6, 2015 | NPO | M | 813 | · | · | 21,730 Direct | +3.89% | Acquired | (price as of 2026-10-02) |
| Feb. 10, 2014 | NPO | M | 678 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 10, 2014 | NPO | F | 207 | $72.44 | $14,995 | 20,626 Direct | -0.99% | Disposed | 359.1% (price as of 2026-10-02) |
| Feb. 10, 2014 | NPO | M | 678 | · | · | 20,833 Direct | +3.36% | Acquired | (price as of 2026-10-02) |
| Feb. 5, 2014 | NPO | A | 3,969 | $71.97 | $285,649 | 3,969 Direct | · | Acquired | 362.1% (price as of 2026-10-02) |
| Feb. 5, 2014 | NPO | F | 930 | $71.83 | $66,802 | 20,446 Direct | -4.35% | Disposed | 363.0% (price as of 2026-10-02) |
| Feb. 5, 2014 | NPO | A | 3,780 | $71.97 | $272,047 | 3,780 Direct | · | Acquired | 362.1% (price as of 2026-10-02) |
| Feb. 5, 2014 | NPO | F | 1,221 | $71.83 | $87,704 | 20,155 Direct | -5.71% | Disposed | 363.0% (price as of 2026-10-02) |
| Feb. 5, 2014 | NPO | A | 2,913 | $71.83 | $209,241 | 21,376 Direct | +15.78% | Acquired | 363.0% (price as of 2026-10-02) |
| Oct. 2, 2013 | NPO | A | 5,000 | · | · | 18,463 Direct | +37.14% | Acquired | (price as of 2026-10-02) |
| April 29, 2013 | NPO | M | 1,343 | · | · | 3,304 Direct | -28.90% | Disposed | (price as of 2026-10-02) |
| April 29, 2013 | NPO | F | 543 | $49.19 | $26,710 | 13,463 Direct | -3.88% | Disposed | 576.1% (price as of 2026-10-02) |
| April 29, 2013 | NPO | M | 1,343 | · | · | 14,006 Direct | +10.61% | Acquired | (price as of 2026-10-02) |
| Feb. 9, 2013 | NPO | F | 308 | $44.67 | $13,758 | 12,663 Direct | -2.37% | Disposed | 644.5% (price as of 2026-10-02) |
| Feb. 9, 2013 | NPO | M | 691 | · | · | 4,647 Direct | -12.94% | Disposed | (price as of 2026-10-02) |
| Feb. 9, 2013 | NPO | F | 314 | $44.67 | $14,026 | 12,787 Direct | -2.40% | Disposed | 644.5% (price as of 2026-10-02) |
| Feb. 9, 2013 | NPO | M | 691 | · | · | 13,101 Direct | +5.57% | Acquired | (price as of 2026-10-02) |
| Feb. 5, 2013 | NPO | A | 1,813 | $44.54 | $80,751 | 5,338 Direct | +51.43% | Acquired | 646.7% (price as of 2026-10-02) |
| Feb. 5, 2013 | NPO | F | 1,434 | $44.63 | $63,999 | 12,280 Direct | -10.46% | Disposed | 645.1% (price as of 2026-10-02) |
| Feb. 5, 2013 | NPO | A | 3,224 | $44.63 | $143,887 | 13,714 Direct | +30.73% | Acquired | 645.1% (price as of 2026-10-02) |
| Feb. 5, 2013 | NPO | F | 1,304 | $44.63 | $58,198 | 12,410 Direct | -9.51% | Disposed | 645.1% (price as of 2026-10-02) |
| Feb. 5, 2013 | NPO | A | 1,813 | $44.54 | $80,751 | 1,813 Direct | · | Acquired | 646.7% (price as of 2026-10-02) |
| Nov. 7, 2012 | NPO | P | 1,000 | $39.07 | $39,070 | 10,490 Direct | +10.54% | Acquired | 751.2% (price as of 2026-10-02) |
| Feb. 9, 2010 | NPO | A | 691 | · | · | 691 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 9, 2010 | NPO | D | 368 | $24.10 | $8,869 | 7,906 Direct | -4.45% | Disposed | 1279.9% (price as of 2026-10-02) |
| Feb. 9, 2010 | NPO | A | 1,029 | $24.10 | $24,799 | 8,274 Direct | +14.20% | Acquired | 1279.9% (price as of 2026-10-02) |
| Feb. 9, 2010 | NPO | D | 344 | · | · | 7,930 Direct | -4.16% | Disposed | (price as of 2026-10-02) |
| Feb. 9, 2010 | NPO | A | 691 | · | · | 691 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 9, 2010 | NPO | A | 1,029 | · | · | 8,274 Direct | +14.20% | 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.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Feb. 23, 2016 | NPO | Restricted Stock Units | Common Stock | · | · | 4,761 | Acquired |
| Feb. 23, 2016 | NPO | Restricted Stock Units | Common Stock | · | · | 4,597 | Acquired |
| Feb. 5, 2016 | NPO | Restricted Stock Units | Common Stock | · | · | 1,813 | Disposed |
| Feb. 18, 2015 | NPO | Restricted Stock Units | Common Stock | · | · | 3,818 | Acquired |
| Feb. 6, 2015 | NPO | Restricted Stock Units | Common Stock | · | · | 813 | Disposed |
| Feb. 10, 2014 | NPO | Restricted Stock Units | Common Stock | · | · | 678 | Disposed |
| Feb. 5, 2014 | NPO | Restricted Stock Units | Common Stock | · | · | 3,969 | Acquired |
| Feb. 5, 2014 | NPO | Restricted Stock Units | Common Stock | · | · | 3,780 | Acquired |
| April 29, 2013 | NPO | Restricted Stock Units | Common Stock | · | · | 1,343 | Disposed |
| Feb. 9, 2013 | NPO | Restricted Stock Units | Common Stock | · | · | 691 | Disposed |
| Feb. 5, 2013 | NPO | Restricted Stock Units | Common Stock | · | · | 1,813 | Acquired |
| Feb. 5, 2013 | NPO | Restricted Stock Units | Common Stock | · | · | 1,813 | Acquired |
| Feb. 9, 2010 | NPO | Restricted Stock Units | Common Stock | · | · | 691 | Acquired |
| Feb. 9, 2010 | NPO | Restricted Stock Units | Common Stock | · | · | 691 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 7 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Nov. 6, 2012 | NPO | Common Stock | 9,490 | Direct |
| Nov. 6, 2012 | NPO | Common Stock | 333 | Indirect |
| Nov. 6, 2012 | NPO | Restricted Stock Units | 813 | Direct |
| Nov. 6, 2012 | NPO | Restricted Stock Units | 691 | Direct |
| Nov. 6, 2012 | NPO | Restricted Stock Units | 678 | Direct |
| Nov. 6, 2012 | NPO | Restricted Stock Units | 1,343 | Direct |
| Nov. 9, 2009 | NPO | Common Stock | 7,245 | 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 |
|---|---|---|---|---|---|---|---|---|
| 2016 | $432,276 | · | · | · | $244,495 | $11,598 | $1,145,445 | $2,284,096 |
| 2015 | $420,000 | · | · | · | $357,600 | · | $48,182 | $1,252,097 |
| 2014 | $341,384 | · | · | · | $197,348 | $28,696 | $41,777 | $989,329 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.