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GROOS MICHAEL
Insider
First SEC filing: June 8, 2009 · Latest: June 8, 2009
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| June 5, 2009 | NDSN | S | 7,350 | $42.65 | $313,478 | 10,999 Direct | -40.06% | Disposed | 1464.1% (price as of 2026-10-02) |
| Jan. 14, 2009 | NDSN | S | 4,500 | $31.82 | $143,190 | 18,237 Direct | -19.79% | Disposed | 1996.4% (price as of 2026-10-02) |
| Jan. 9, 2009 | NDSN | A | 9,162 | $33.33 | $305,369 | 22,700 Direct | +67.68% | Acquired | 1901.4% (price as of 2026-10-02) |
| Dec. 4, 2008 | NDSN | A | 19,000 | · | · | 1 Direct | · | Acquired | (price as of 2026-10-02) |
| May 30, 2008 | NDSN | M | 3,400 | · | · | 10,200 Direct | -25.00% | Disposed | (price as of 2026-10-02) |
| May 30, 2008 | NDSN | M | 8,000 | · | · | 8,000 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| May 30, 2008 | NDSN | M | 8,812 | · | · | 2,938 Direct | -75.00% | Disposed | (price as of 2026-10-02) |
| May 30, 2008 | NDSN | M | 4,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 100 | $71.60 | $7,160 | 21,343 Direct | -0.47% | Disposed | 831.7% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 1,400 | $71.61 | $100,254 | 21,443 Direct | -6.13% | Disposed | 831.5% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 400 | $71.62 | $28,648 | 22,843 Direct | -1.72% | Disposed | 831.4% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 500 | $71.63 | $35,815 | 23,243 Direct | -2.11% | Disposed | 831.3% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 200 | $71.64 | $14,328 | 23,743 Direct | -0.84% | Disposed | 831.2% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 200 | $71.65 | $14,330 | 23,943 Direct | -0.83% | Disposed | 831.0% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 300 | $71.67 | $21,501 | 24,143 Direct | -1.23% | Disposed | 830.8% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 662 | $71.68 | $47,452 | 24,443 Direct | -2.64% | Disposed | 830.6% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 100 | $71.69 | $7,169 | 25,105 Direct | -0.40% | Disposed | 830.5% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 1,401 | $71.70 | $100,452 | 25,205 Direct | -5.27% | Disposed | 830.4% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 700 | $71.71 | $50,197 | 26,606 Direct | -2.56% | Disposed | 830.2% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 700 | $71.72 | $50,204 | 27,306 Direct | -2.50% | Disposed | 830.1% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 300 | $71.73 | $21,519 | 28,006 Direct | -1.06% | Disposed | 830.0% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 300 | $71.74 | $21,522 | 28,306 Direct | -1.05% | Disposed | 829.9% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 300 | $71.75 | $21,525 | 28,606 Direct | -1.04% | Disposed | 829.7% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 400 | $71.76 | $28,704 | 28,906 Direct | -1.36% | Disposed | 829.6% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 500 | $71.77 | $35,885 | 29,306 Direct | -1.68% | Disposed | 829.5% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 100 | $71.78 | $7,178 | 29,806 Direct | -0.33% | Disposed | 829.3% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 500 | $71.79 | $35,895 | 29,906 Direct | -1.64% | Disposed | 829.2% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 100 | $71.80 | $7,180 | 30,406 Direct | -0.33% | Disposed | 829.1% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 200 | $71.83 | $14,366 | 30,506 Direct | -0.65% | Disposed | 828.7% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 147 | $71.84 | $10,560 | 30,706 Direct | -0.48% | Disposed | 828.6% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 400 | $71.87 | $28,748 | 30,853 Direct | -1.28% | Disposed | 828.2% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 300 | $71.88 | $21,564 | 31,253 Direct | -0.95% | Disposed | 828.0% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 500 | $71.89 | $35,945 | 31,553 Direct | -1.56% | Disposed | 827.9% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 100 | $71.93 | $7,193 | 32,053 Direct | -0.31% | Disposed | 827.4% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | M | 3,400 | $48.77 | $165,818 | 32,153 Direct | +11.82% | Acquired | 1267.8% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | M | 8,000 | $38.99 | $311,920 | 28,753 Direct | +38.55% | Acquired | 1610.9% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | M | 8,812 | $37.16 | $327,454 | 20,753 Direct | +73.80% | Acquired | 1695.2% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | M | 4,000 | $27.71 | $110,840 | 11,941 Direct | +50.37% | Acquired | 2307.4% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 122 | $71.41 | $8,712 | 13,497 Direct | -0.90% | Disposed | 834.2% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 200 | $71.42 | $14,284 | 13,619 Direct | -1.45% | Disposed | 834.0% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 200 | $71.43 | $14,286 | 13,819 Direct | -1.43% | Disposed | 833.9% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 400 | $71.45 | $28,580 | 14,019 Direct | -2.77% | Disposed | 833.6% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 300 | $71.47 | $21,441 | 14,419 Direct | -2.04% | Disposed | 833.4% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 200 | $71.50 | $14,300 | 14,719 Direct | -1.34% | Disposed | 833.0% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 1,000 | $71.51 | $71,510 | 14,919 Direct | -6.28% | Disposed | 832.8% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 700 | $71.52 | $50,064 | 15,919 Direct | -4.21% | Disposed | 832.7% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 1,910 | $71.54 | $136,641 | 16,619 Direct | -10.31% | Disposed | 832.5% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 1,196 | $71.55 | $85,574 | 18,529 Direct | -6.06% | Disposed | 832.3% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 218 | $71.57 | $15,602 | 19,725 Direct | -1.09% | Disposed | 832.1% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 600 | $71.58 | $42,948 | 19,943 Direct | -2.92% | Disposed | 831.9% (price as of 2026-10-02) |
| May 30, 2008 | NDSN | S | 800 | $71.59 | $57,272 | 20,543 Direct | -3.75% | Disposed | 831.8% (price as of 2026-10-02) |
| Dec. 5, 2007 | NDSN | A | 11,700 | · | · | 1 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | M | 4,000 | · | · | 4,000 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | M | 8,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | S | 100 | $48.13 | $4,813 | 4,486 Direct | -2.18% | Disposed | 1286.0% (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | S | 100 | $48.14 | $4,814 | 7,886 Direct | -1.25% | Disposed | 1285.7% (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | S | 200 | $48.15 | $9,630 | 7,986 Direct | -2.44% | Disposed | 1285.4% (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | S | 100 | $48.17 | $4,817 | 8,186 Direct | -1.21% | Disposed | 1284.8% (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | S | 300 | $48.18 | $14,454 | 8,286 Direct | -3.49% | Disposed | 1284.6% (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | S | 400 | $48.41 | $19,364 | 8,586 Direct | -4.45% | Disposed | 1278.0% (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | S | 800 | $48.44 | $38,752 | 8,986 Direct | -8.17% | Disposed | 1277.1% (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | S | 2,100 | $48.42 | $101,682 | 9,786 Direct | -17.67% | Disposed | 1277.7% (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | S | 500 | $48.43 | $24,215 | 11,886 Direct | -4.04% | Disposed | 1277.4% (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | S | 4,585 | $48.47 | $222,235 | 12,386 Direct | -27.02% | Disposed | 1276.3% (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | S | 2,000 | $48.50 | $97,000 | 16,971 Direct | -10.54% | Disposed | 1275.4% (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | S | 1,632 | $48.55 | $79,234 | 18,971 Direct | -7.92% | Disposed | 1274.0% (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | S | 100 | $48.56 | $4,856 | 20,603 Direct | -0.48% | Disposed | 1273.7% (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | S | 100 | $48.61 | $4,861 | 20,703 Direct | -0.48% | Disposed | 1272.3% (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | S | 400 | $48.67 | $19,468 | 20,803 Direct | -1.89% | Disposed | 1270.6% (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | S | 300 | $48.68 | $14,604 | 21,203 Direct | -1.40% | Disposed | 1270.3% (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | S | 100 | $48.73 | $4,873 | 21,503 Direct | -0.46% | Disposed | 1268.9% (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | S | 400 | $48.77 | $19,508 | 21,603 Direct | -1.82% | Disposed | 1267.8% (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | S | 815 | $48.75 | $39,731 | 22,003 Direct | -3.57% | Disposed | 1268.4% (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | S | 400 | $48.80 | $19,520 | 22,818 Direct | -1.72% | Disposed | 1267.0% (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | S | 200 | $48.81 | $9,762 | 23,218 Direct | -0.85% | Disposed | 1266.7% (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | S | 100 | $48.86 | $4,886 | 23,418 Direct | -0.43% | Disposed | 1265.3% (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | S | 100 | $48.89 | $4,889 | 23,518 Direct | -0.42% | Disposed | 1264.5% (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | S | 218 | $48.92 | $10,665 | 23,618 Direct | -0.91% | Disposed | 1263.6% (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | S | 100 | $48.94 | $4,894 | 23,836 Direct | -0.42% | Disposed | 1263.1% (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | S | 100 | $48.95 | $4,895 | 23,936 Direct | -0.42% | Disposed | 1262.8% (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | M | 4,000 | $27.71 | $110,840 | 24,036 Direct | +19.96% | Acquired | 2307.4% (price as of 2026-10-02) |
| Dec. 22, 2006 | NDSN | M | 8,000 | $27.78 | $222,240 | 20,036 Direct | +66.47% | Acquired | 2301.3% (price as of 2026-10-02) |
| Nov. 22, 2006 | NDSN | A | 13,600 | · | · | 1 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 19, 2005 | NDSN | S | 300 | $41.35 | $12,405 | 24,023 Direct | -1.23% | Disposed | 1513.3% (price as of 2026-10-02) |
| Dec. 19, 2005 | NDSN | S | 100 | $41.40 | $4,140 | 24,323 Direct | -0.41% | Disposed | 1511.3% (price as of 2026-10-02) |
| Dec. 19, 2005 | NDSN | S | 100 | $41.41 | $4,141 | 24,423 Direct | -0.41% | Disposed | 1510.9% (price as of 2026-10-02) |
| Dec. 19, 2005 | NDSN | S | 100 | $41.46 | $4,146 | 24,523 Direct | -0.41% | Disposed | 1509.0% (price as of 2026-10-02) |
| Dec. 19, 2005 | NDSN | S | 700 | $41.47 | $29,029 | 24,623 Direct | -2.76% | Disposed | 1508.6% (price as of 2026-10-02) |
| Dec. 19, 2005 | NDSN | S | 200 | $41.49 | $8,298 | 25,323 Direct | -0.78% | Disposed | 1507.8% (price as of 2026-10-02) |
| Dec. 19, 2005 | NDSN | S | 100 | $41.56 | $4,156 | 25,523 Direct | -0.39% | Disposed | 1505.1% (price as of 2026-10-02) |
| Dec. 19, 2005 | NDSN | S | 100 | $41.57 | $4,157 | 25,623 Direct | -0.39% | Disposed | 1504.7% (price as of 2026-10-02) |
| Dec. 19, 2005 | NDSN | S | 300 | $41.58 | $12,474 | 25,723 Direct | -1.15% | Disposed | 1504.3% (price as of 2026-10-02) |
| Dec. 19, 2005 | NDSN | S | 100 | $41.59 | $4,159 | 26,023 Direct | -0.38% | Disposed | 1503.9% (price as of 2026-10-02) |
| Dec. 19, 2005 | NDSN | S | 100 | $41.60 | $4,160 | 26,123 Direct | -0.38% | Disposed | 1503.6% (price as of 2026-10-02) |
| Dec. 16, 2005 | NDSN | S | 93 | $40.95 | $3,808 | 11,600 Direct | -0.80% | Disposed | 1529.0% (price as of 2026-10-02) |
| Dec. 16, 2005 | NDSN | S | 100 | $40.96 | $4,096 | 11,693 Direct | -0.85% | Disposed | 1528.6% (price as of 2026-10-02) |
| Dec. 16, 2005 | NDSN | S | 46 | $41.00 | $1,886 | 11,793 Direct | -0.39% | Disposed | 1527.0% (price as of 2026-10-02) |
| Dec. 16, 2005 | NDSN | S | 800 | $41.14 | $32,912 | 11,839 Direct | -6.33% | Disposed | 1521.5% (price as of 2026-10-02) |
| Dec. 16, 2005 | NDSN | S | 402 | $41.17 | $16,550 | 12,639 Direct | -3.08% | Disposed | 1520.3% (price as of 2026-10-02) |
| Dec. 16, 2005 | NDSN | S | 100 | $41.30 | $4,130 | 13,041 Direct | -0.76% | Disposed | 1515.2% (price as of 2026-10-02) |
Showing latest 100 of 219 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 |
|---|---|---|---|---|---|---|---|
| Dec. 4, 2008 | NDSN | Employee Stock Option (Right to Buy) | Common Shares | $28.74 | Dec. 4, 2018 | 19,000 | Acquired |
| May 30, 2008 | NDSN | Employee Stock Option (right to buy) | COMMON SHARES | $48.77 | Nov. 22, 2016 | 3,400 | Disposed |
| May 30, 2008 | NDSN | Employee Stock Option (right to buy) | COMMON SHARES | $38.99 | Nov. 14, 2015 | 8,000 | Disposed |
| May 30, 2008 | NDSN | Employee Stock Option (right to buy) | COMMON SHARES | $37.16 | Nov. 9, 2014 | 8,812 | Disposed |
| May 30, 2008 | NDSN | Employee Stock Option (right to buy) | COMMON SHARES | $27.71 | Nov. 3, 2013 | 4,000 | Disposed |
| Dec. 5, 2007 | NDSN | Employee Stock Option (right to buy) | COMMON SHARES | $52.91 | Dec. 5, 2017 | 11,700 | Acquired |
| Dec. 22, 2006 | NDSN | Employee Stock Option (right to buy) | COMMON SHARES | $27.71 | Nov. 3, 2013 | 4,000 | Disposed |
| Dec. 22, 2006 | NDSN | Employee Stock Option (right to buy) | COMMON SHARES | $27.78 | Dec. 9, 2012 | 8,000 | Disposed |
| Nov. 22, 2006 | NDSN | Employee Stock Option (right to buy) | COMMON SHARES | $48.77 | Nov. 22, 2016 | 13,600 | Acquired |
| Dec. 19, 2005 | NDSN | Employee Stock Option (right to buy) | COMMON SHARES | $27.71 | Nov. 3, 2013 | 8,000 | Disposed |
| Dec. 19, 2005 | NDSN | Employee Stock Option (right to buy) | COMMON SHARES | $27.78 | Dec. 9, 2012 | 8,000 | Disposed |
| Dec. 16, 2005 | NDSN | Employee Stock Option (right to buy) | COMMON SHARES | $23.07 | Nov. 5, 2011 | 20,000 | Disposed |
| Dec. 16, 2005 | NDSN | Employee Stock Option (right to buy) | COMMON SHARES | $28.50 | Nov. 6, 2010 | 40,000 | Disposed |
| Nov. 14, 2005 | NDSN | Employee Stock Option (right to buy) | COMMON SHARES | $38.99 | Nov. 14, 2015 | 16,000 | Acquired |
| Dec. 16, 2004 | NDSN | Employee Stock Option (righ to buy) | COMMON SHARES | $30.00 | Jan. 3, 2005 | 756 | Disposed |
| Nov. 9, 2004 | NDSN | Employee Stock Option (right to buy) | COMMON SHARES | $37.16 | Nov. 9, 2014 | 1 | Acquired |
| June 29, 2004 | NDSN | Employee Stock Option (right to buy) | COMMON SHARES | $23.07 | Nov. 5, 2011 | 20,000 | Disposed |
| June 29, 2004 | NDSN | Employee Stock Option (right to buy) | COMMON SHARES | $22.16 | Nov. 1, 2009 | 9,191 | Disposed |
| June 28, 2004 | NDSN | Employee Stock Option (right to buy) | COMMON SHARES | $22.16 | Nov. 1, 2009 | 9,722 | Disposed |
| June 28, 2004 | NDSN | Employee Stock Option (right to buy) | COMMON SHARES | $22.16 | Nov. 1, 2009 | 25,087 | Disposed |
| June 23, 2004 | NDSN | Employee Stock Option (right to buy) | COMMON SHARES | $22.41 | Nov. 2, 2008 | 11,500 | Disposed |
| June 22, 2004 | NDSN | Employee Stock Option (right to buy) | COMMON SHARES | $22.41 | Nov. 2, 2008 | 20,969 | Disposed |
| June 21, 2004 | NDSN | Employee Stock Option (right to buy) | COMMON SHARES | $22.41 | Nov. 2, 2008 | 17,531 | Disposed |
| Nov. 3, 2003 | NDSN | Employee Stock Option (right to buy) | COMMON SHARES | $27.71 | Nov. 3, 2013 | 1 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).