Dirk Kuyper
Insider
First SEC filing: Aug. 2, 2013 · Latest: Aug. 2, 2013
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 2, 2019 | CNMD | S | 2,549 | $91.17 | $232,392 | 5,000 Direct | -33.77% | Disposed | -48.1% (price as of 2026-10-05) |
| Aug. 2, 2019 | CNMD | M | 2,549 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 2, 2019 | CNMD | M | 3,669 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 2, 2019 | CNMD | M | 5,396 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 2, 2019 | CNMD | M | 2,549 | $69.03 | $175,957 | 7,549 Direct | +50.98% | Acquired | -31.4% (price as of 2026-10-05) |
| Aug. 2, 2019 | CNMD | S | 3,669 | $91.04 | $334,026 | 5,000 Direct | -42.32% | Disposed | -48.0% (price as of 2026-10-05) |
| Aug. 2, 2019 | CNMD | M | 3,669 | $51.90 | $190,421 | 8,669 Direct | +73.38% | Acquired | -8.8% (price as of 2026-10-05) |
| Aug. 2, 2019 | CNMD | S | 5,396 | $91.10 | $491,576 | 5,000 Direct | -51.90% | Disposed | -48.0% (price as of 2026-10-05) |
| Aug. 2, 2019 | CNMD | M | 5,396 | $41.06 | $221,560 | 10,396 Direct | +107.92% | Acquired | 15.3% (price as of 2026-10-05) |
| Aug. 1, 2019 | CNMD | D | 1,407 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 1, 2019 | CNMD | D | 2,165 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 14, 2019 | CNMD | S | 8,970 | $83.00 | $744,510 | 5,000 Direct | -64.21% | Disposed | -43.0% (price as of 2026-10-05) |
| June 3, 2019 | CNMD | A | 2,165 | · | · | 2,165 Direct | · | Acquired | (price as of 2026-10-05) |
| June 3, 2019 | CNMD | A | 1,407 | · | · | 1,407 Direct | · | Acquired | (price as of 2026-10-05) |
| May 31, 2019 | CNMD | M | 1,629 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 31, 2019 | CNMD | M | 1,629 | · | · | 13,970 Direct | +13.20% | Acquired | (price as of 2026-10-05) |
| April 8, 2019 | CNMD | M 10b5-1 | 1,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| April 8, 2019 | CNMD | M 10b5-1 | 1,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| April 8, 2019 | CNMD | M 10b5-1 | 1,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| April 8, 2019 | CNMD | S 10b5-1 | 2,000 | $83.39 | $166,780 | 12,341 Direct | -13.95% | Disposed | -43.2% (price as of 2026-10-05) |
| April 8, 2019 | CNMD | F | 677 | $82.38 | $55,771 | 14,341 Direct | -4.51% | Disposed | -42.5% (price as of 2026-10-05) |
| April 8, 2019 | CNMD | M 10b5-1 | 1,000 | $55.70 | $55,700 | 15,018 Direct | +7.13% | Acquired | -15.0% (price as of 2026-10-05) |
| April 8, 2019 | CNMD | F | 482 | $82.38 | $39,707 | 14,018 Direct | -3.32% | Disposed | -42.5% (price as of 2026-10-05) |
| April 8, 2019 | CNMD | M 10b5-1 | 1,000 | $39.64 | $39,640 | 14,500 Direct | +7.41% | Acquired | 19.4% (price as of 2026-10-05) |
| April 8, 2019 | CNMD | F | 406 | $82.38 | $33,446 | 13,500 Direct | -2.92% | Disposed | -42.5% (price as of 2026-10-05) |
| April 8, 2019 | CNMD | M 10b5-1 | 1,000 | $33.43 | $33,430 | 13,906 Direct | +7.75% | Acquired | 41.6% (price as of 2026-10-05) |
| June 1, 2018 | CNMD | A | 2,549 | · | · | 2,549 Direct | · | Acquired | (price as of 2026-10-05) |
| June 1, 2018 | CNMD | A | 1,629 | · | · | 1,629 Direct | · | Acquired | (price as of 2026-10-05) |
| June 1, 2018 | CNMD | M | 2,167 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 1, 2018 | CNMD | M | 2,167 | · | · | 12,906 Direct | +20.18% | Acquired | (price as of 2026-10-05) |
| June 13, 2017 | CNMD | S | 1,000 | $52.24 | $52,240 | 10,739 Direct | -8.52% | Disposed | -9.4% (price as of 2026-10-05) |
| June 1, 2017 | CNMD | A | 3,669 | $51.90 | $190,421 | 3,669 Direct | · | Acquired | -8.8% (price as of 2026-10-05) |
| June 1, 2017 | CNMD | A | 2,167 | · | · | 2,167 Direct | · | Acquired | (price as of 2026-10-05) |
| June 1, 2017 | CNMD | M | 2,739 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 1, 2017 | CNMD | M | 2,739 | · | · | 11,739 Direct | +30.43% | Acquired | (price as of 2026-10-05) |
| June 1, 2016 | CNMD | A | 2,739 | · | · | 2,739 Direct | · | Acquired | (price as of 2026-10-05) |
| June 1, 2016 | CNMD | A | 5,396 | · | · | 5,396 Direct | · | Acquired | (price as of 2026-10-05) |
| June 1, 2016 | CNMD | M | 3,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 1, 2016 | CNMD | M | 3,000 | · | · | 9,000 Direct | +50.00% | Acquired | (price as of 2026-10-05) |
| June 1, 2015 | CNMD | A | 1,000 | · | · | 1,000 Direct | · | Acquired | (price as of 2026-10-05) |
| June 1, 2015 | CNMD | A | 3,000 | · | · | 3,000 Direct | · | Acquired | (price as of 2026-10-05) |
| June 1, 2015 | CNMD | M | 3,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 1, 2015 | CNMD | M | 3,000 | · | · | 6,000 Direct | +100.00% | Acquired | (price as of 2026-10-05) |
| Dec. 1, 2014 | CNMD | S | 200 | $42.86 | $8,572 | 3,000 Direct | -6.25% | Disposed | 10.4% (price as of 2026-10-05) |
| Dec. 1, 2014 | CNMD | S | 500 | $42.84 | $21,420 | 3,200 Direct | -13.51% | Disposed | 10.5% (price as of 2026-10-05) |
| Dec. 1, 2014 | CNMD | S | 300 | $42.85 | $12,855 | 3,700 Direct | -7.50% | Disposed | 10.5% (price as of 2026-10-05) |
| Sept. 11, 2014 | CNMD | A | 1,000 | · | · | 1,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Sept. 11, 2014 | CNMD | A | 3,000 | · | · | 3,000 Direct | · | Acquired | (price as of 2026-10-05) |
| June 1, 2014 | CNMD | M | 3,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 1, 2014 | CNMD | M | 3,000 | · | · | 4,000 Direct | +300.00% | Acquired | (price as of 2026-10-05) |
| Aug. 15, 2013 | CNMD | P | 1,000 | $31.63 | $31,630 | 1,000 Direct | · | Acquired | 49.6% (price as of 2026-10-05) |
| July 26, 2013 | CNMD | A | 1,000 | $33.43 | $33,430 | 1,000 Direct | · | Acquired | 41.6% (price as of 2026-10-05) |
| July 26, 2013 | CNMD | A | 3,000 | · | · | 3,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 31, 2011 | ATEC | P | 22,272 | $2.75 | $61,248 | 559,128 Direct | +4.15% | Acquired | -67.5% (price as of 2026-10-05) |
| Aug. 30, 2011 | ATEC | P | 29,728 | $2.68 | $79,671 | 559,128 Direct | +5.62% | Acquired | -66.7% (price as of 2026-10-05) |
| July 5, 2011 | ATEC | F | 15,818 | · | · | 507,128 Direct | -3.02% | Disposed | (price as of 2026-10-05) |
| April 4, 2011 | ATEC | F | 15,817 | · | · | 522,946 Direct | -2.94% | Disposed | (price as of 2026-10-05) |
| Jan. 3, 2011 | ATEC | F | 17,856 | · | · | 538,763 Direct | -3.21% | Disposed | (price as of 2026-10-05) |
| Nov. 4, 2010 | ATEC | A | 200,000 | $2.31 | $462,000 | 450,000 Direct | +80.00% | Acquired | -61.3% (price as of 2026-10-05) |
| Oct. 2, 2010 | ATEC | F | 15,817 | · | · | 556,619 Direct | -2.76% | Disposed | (price as of 2026-10-05) |
| Aug. 12, 2010 | ATEC | P | 23,000 | $2.16 | $49,680 | 572,436 Direct | +4.19% | Acquired | -58.6% (price as of 2026-10-05) |
| Aug. 12, 2010 | ATEC | A | 23,000 | $2.16 | $49,680 | 572,436 Direct | +4.19% | Acquired | -58.6% (price as of 2026-10-05) |
| April 2, 2010 | ATEC | F | 15,818 | · | · | 549,436 Direct | -2.80% | Disposed | (price as of 2026-10-05) |
| Jan. 2, 2010 | ATEC | F | 17,266 | · | · | 565,254 Direct | -2.96% | Disposed | (price as of 2026-10-05) |
| Oct. 2, 2009 | ATEC | F | 15,416 | · | · | 582,520 Direct | -2.58% | Disposed | (price as of 2026-10-05) |
| Aug. 4, 2009 | ATEC | A | 50,000 | $4.45 | $222,500 | 250,000 Direct | +25.00% | Acquired | -79.9% (price as of 2026-10-05) |
| July 2, 2009 | ATEC | F | 15,416 | · | · | 597,936 Direct | -2.51% | Disposed | (price as of 2026-10-05) |
| April 2, 2009 | ATEC | F | 15,416 | · | · | 597,936 Direct | -2.51% | Disposed | (price as of 2026-10-05) |
| March 6, 2009 | ATEC | A | 50,000 | $1.28 | $64,000 | 200,000 Direct | +33.33% | Acquired | -30.2% (price as of 2026-10-05) |
| Jan. 2, 2009 | ATEC | F | 18,068 | · | · | 613,352 Direct | -2.86% | Disposed | (price as of 2026-10-05) |
| Nov. 15, 2008 | ATEC | J | 1,334 | $2.33 | $3,108 | 631,420 Direct | +0.21% | Acquired | -61.7% (price as of 2026-10-05) |
| Oct. 2, 2008 | ATEC | F | 19,729 | · | · | 630,086 Direct | -3.04% | Disposed | (price as of 2026-10-05) |
| July 2, 2008 | ATEC | F | 15,445 | · | · | 649,815 Direct | -2.32% | Disposed | (price as of 2026-10-05) |
| June 19, 2008 | ATEC | A | 150,000 | · | · | 150,000 Direct | · | Acquired | (price as of 2026-10-05) |
| June 5, 2008 | ATEC | P | 1,000 | $4.54 | $4,540 | 665,260 Direct | +0.15% | Acquired | -80.3% (price as of 2026-10-05) |
| June 5, 2008 | ATEC | P | 2,800 | $4.54 | $12,712 | 665,260 Direct | +0.42% | Acquired | -80.3% (price as of 2026-10-05) |
| June 5, 2008 | ATEC | P | 1,200 | $4.53 | $5,436 | 665,260 Direct | +0.18% | Acquired | -80.3% (price as of 2026-10-05) |
| March 31, 2008 | ATEC | S 10b5-1 | 17,250 | $4.98 | $85,905 | 660,260 Direct | -2.55% | Disposed | -82.1% (price as of 2026-10-05) |
| Jan. 2, 2008 | ATEC | S 10b5-1 | 17,250 | $4.91 | $84,698 | 677,510 Direct | -2.48% | Disposed | -81.8% (price as of 2026-10-05) |
| Nov. 26, 2007 | ATEC | P | 578 | $4.50 | $2,601 | 694,760 Direct | +0.08% | Acquired | -80.1% (price as of 2026-10-05) |
| Nov. 26, 2007 | ATEC | P | 100 | $4.53 | $453 | 694,760 Direct | +0.01% | Acquired | -80.3% (price as of 2026-10-05) |
| Nov. 26, 2007 | ATEC | P | 100 | $4.54 | $454 | 694,760 Direct | +0.01% | Acquired | -80.3% (price as of 2026-10-05) |
| Nov. 26, 2007 | ATEC | P | 200 | $4.58 | $916 | 694,760 Direct | +0.03% | Acquired | -80.5% (price as of 2026-10-05) |
| Nov. 26, 2007 | ATEC | P | 22 | $4.57 | $101 | 694,760 Direct | 0.00% | Acquired | -80.5% (price as of 2026-10-05) |
| Nov. 20, 2007 | ATEC | P | 1,010 | $3.85 | $3,888 | 693,760 Direct | +0.15% | Acquired | -76.8% (price as of 2026-10-05) |
| Oct. 2, 2007 | ATEC | S 10b5-1 | 17,250 | $3.52 | $60,720 | 692,750 Direct | -2.43% | Disposed | -74.6% (price as of 2026-10-05) |
| Sept. 20, 2007 | ATEC | P | 10,000 | $3.45 | $34,500 | 710,000 Direct | +1.43% | Acquired | -74.1% (price as of 2026-10-05) |
| Sept. 13, 2007 | ATEC | P | 5,000 | $3.64 | $18,200 | 700,000 Direct | +0.72% | Acquired | -75.5% (price as of 2026-10-05) |
| July 2, 2007 | ATEC | A | 690,000 | · | · | 695,000 Direct | +13800.00% | Acquired | (price as of 2026-10-05) |
| July 2, 2007 | ATEC | P | 690,000 | · | · | 695,000 Direct | +13800.00% | Acquired | (price as of 2026-10-05) |
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 |
|---|---|---|---|---|---|---|---|
| Aug. 2, 2019 | CNMD | Options To Purchase Common Stock | Common Stock | $69.03 | June 1, 2028 | 2,549 | Disposed |
| Aug. 2, 2019 | CNMD | Options To Purchase Common Stock | Common Stock | $51.90 | June 1, 2027 | 3,669 | Disposed |
| Aug. 2, 2019 | CNMD | Options To Purchase Common Stock | Common Stock | $41.06 | June 1, 2026 | 5,396 | Disposed |
| Aug. 1, 2019 | CNMD | Rsus (restricted Stock Units) | Common Stock | $0.00 | June 3, 2029 | 1,407 | Disposed |
| Aug. 1, 2019 | CNMD | Options To Purchase Common Stock | Common Stock | $79.94 | June 3, 2029 | 2,165 | Disposed |
| June 3, 2019 | CNMD | Options To Purchase Common Stock | Common Stock | $79.94 | June 3, 2029 | 2,165 | Acquired |
| June 3, 2019 | CNMD | Rsus (restricted Stock Units) | Common Stock | $0.00 | June 3, 2029 | 1,407 | Acquired |
| May 31, 2019 | CNMD | Rsus (restricted Stock Units) | Common Stock | $0.00 | June 1, 2028 | 1,629 | Disposed |
| April 8, 2019 | CNMD | Sars (Stock Appreciation Rights) | Common Stock | $55.70 | June 1, 2025 | 1,000 | Disposed |
| April 8, 2019 | CNMD | Sars (Stock Appreciation Rights) | Common Stock | $39.64 | Sept. 11, 2024 | 1,000 | Disposed |
| April 8, 2019 | CNMD | Sars (Stock Appreciation Rights) | Common Stock | $33.43 | July 26, 2023 | 1,000 | Disposed |
| June 1, 2018 | CNMD | Options To Purchase Common Stock | Common Stock | $69.03 | June 1, 2028 | 2,549 | Acquired |
| June 1, 2018 | CNMD | Rsus (restricted Stock Units) | Common Stock | $0.00 | June 1, 2028 | 1,629 | Acquired |
| June 1, 2018 | CNMD | Rsus (restricted Stock Units) | Common Stock | $0.00 | June 1, 2027 | 2,167 | Disposed |
| June 1, 2017 | CNMD | Options To Purchase Common Stock | Common Stock | $51.90 | June 1, 2027 | 3,669 | Acquired |
| June 1, 2017 | CNMD | Rsus (restricted Stock Units) | Common Stock | $0.00 | June 1, 2027 | 2,167 | Acquired |
| June 1, 2017 | CNMD | Rsus (restricted Stock Units) | Common Stock | $0.00 | June 1, 2026 | 2,739 | Disposed |
| June 1, 2016 | CNMD | Rsus (restricted Stock Units) | Common Stock | $0.00 | June 1, 2026 | 2,739 | Acquired |
| June 1, 2016 | CNMD | Options To Purchase Common Stock | Common Stock | $41.06 | June 1, 2026 | 5,396 | Acquired |
| June 1, 2016 | CNMD | Rsus (restricted Stock Units) | Common Stock | $0.00 | June 1, 2025 | 3,000 | Disposed |
| June 1, 2015 | CNMD | Sars (Stock Appreciation Rights) | Common Stock | $55.70 | June 1, 2025 | 1,000 | Acquired |
| June 1, 2015 | CNMD | Rsus (restricted Stock Units) | Common Stock | $0.00 | June 1, 2025 | 3,000 | Acquired |
| June 1, 2015 | CNMD | Rsus (restricted Stock Units) | Common Stock | $0.00 | Sept. 11, 2024 | 3,000 | Disposed |
| Sept. 11, 2014 | CNMD | Sars (Stock Appreciation Rights) | Common Stock | $39.64 | Sept. 11, 2024 | 1,000 | Acquired |
| Sept. 11, 2014 | CNMD | Rsus (restricted Stock Units) | Common Stock | $0.00 | Sept. 11, 2024 | 3,000 | Acquired |
| June 1, 2014 | CNMD | Rsus (restricted Stock Units) | Common Stock | $0.00 | July 26, 2023 | 3,000 | Disposed |
| July 26, 2013 | CNMD | Sars (Stock Appreciation Rights) | Common Stock | $33.43 | July 26, 2023 | 1,000 | Acquired |
| July 26, 2013 | CNMD | Rsus (restricted Stock Units) | Common Stock | $0.00 | July 26, 2023 | 3,000 | Acquired |
| Nov. 4, 2010 | ATEC | Incentive Stock Option | Common Stock | $2.31 | Nov. 4, 2020 | 200,000 | Acquired |
| Aug. 4, 2009 | ATEC | Incentive Stock Option | Common Stock | $4.45 | Aug. 5, 2019 | 50,000 | Acquired |
| March 6, 2009 | ATEC | Incentive Stock Option | Common Stock | $1.28 | March 6, 2019 | 50,000 | Acquired |
| June 19, 2008 | ATEC | Incentive Stock Option | Common Stock | $4.37 | June 19, 2018 | 150,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.
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 |
|---|---|---|---|---|---|---|---|---|
| 2012 | $320,381 | · | · | · | · | · | $206,170 | $570,711 |
| 2011 | $482,212 | · | · | · | · | · | $19,030 | $501,242 |
| 2010 | $417,308 | · | · | · | · | · | $26,601 | $694,029 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.