David M Parry
Insider
First SEC filing: Sept. 18, 2018 · Latest: Sept. 18, 2018
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 |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 15, 2018 | CLH | D | 31,054 | · | · | 11,544 Direct | -72.90% | Disposed | (price as of 2026-10-05) |
| Aug. 31, 2018 | CLH | S | 4,579 | $68.76 | $314,852 | 42,598 Direct | -9.71% | Disposed | 368.8% (price as of 2026-10-05) |
| Aug. 7, 2018 | CLH | S | 3,026 | $61.93 | $187,400 | 47,177 Direct | -6.03% | Disposed | 420.5% (price as of 2026-10-05) |
| July 1, 2018 | CLH | A | 3,786 | · | · | 50,203 Direct | +8.16% | Acquired | (price as of 2026-10-05) |
| July 1, 2018 | CLH | A | 5,301 | · | · | 46,417 Direct | +12.89% | Acquired | (price as of 2026-10-05) |
| June 1, 2018 | CLH | F | 808 | $53.69 | $43,382 | 41,116 Direct | -1.93% | Disposed | 500.4% (price as of 2026-10-05) |
| April 2, 2018 | CLH | F | 1,473 | $48.81 | $71,897 | 41,924 Direct | -3.39% | Disposed | 560.5% (price as of 2026-10-05) |
| March 15, 2018 | CLH | F | 321 | $49.98 | $16,044 | 43,397 Direct | -0.73% | Disposed | 545.0% (price as of 2026-10-05) |
| Feb. 28, 2018 | CLH | F | 3,372 | · | · | 43,718 Direct | -7.16% | Disposed | (price as of 2026-10-05) |
| Dec. 15, 2017 | CLH | F | 412 | $52.17 | $21,494 | 47,090 Direct | -0.87% | Disposed | 517.9% (price as of 2026-10-05) |
| July 1, 2017 | CLH | A | 3,404 | · | · | 47,502 Direct | +7.72% | Acquired | (price as of 2026-10-05) |
| July 1, 2017 | CLH | A | 4,766 | · | · | 44,098 Direct | +12.12% | Acquired | (price as of 2026-10-05) |
| June 1, 2017 | CLH | F | 623 | $59.25 | $36,913 | 39,332 Direct | -1.56% | Disposed | 444.1% (price as of 2026-10-05) |
| June 1, 2017 | CLH | S | 4,402 | $58.96 | $259,542 | 39,955 Direct | -9.92% | Disposed | 446.8% (price as of 2026-10-05) |
| April 1, 2017 | CLH | A | 5,000 | · | · | 45,439 Direct | +12.36% | Acquired | (price as of 2026-10-05) |
| March 31, 2017 | CLH | F | 1,082 | $55.62 | $60,181 | 44,357 Direct | -2.38% | Disposed | 479.6% (price as of 2026-10-05) |
| March 30, 2017 | CLH | F | 183 | $50.05 | $9,159 | 40,439 Direct | -0.45% | Disposed | 544.1% (price as of 2026-10-05) |
| March 16, 2017 | CLH | F | 577 | $55.74 | $32,162 | 40,622 Direct | -1.40% | Disposed | 478.3% (price as of 2026-10-05) |
| March 8, 2017 | CLH | D | 3,918 | · | · | 41,199 Direct | -8.68% | Disposed | (price as of 2026-10-05) |
| Dec. 15, 2016 | CLH | F | 223 | $57.13 | $12,740 | 45,117 Direct | -0.49% | Disposed | 464.3% (price as of 2026-10-05) |
| Aug. 31, 2016 | CLH | S | 4,060 | $47.37 | $192,322 | 45,340 Direct | -8.22% | Disposed | 580.5% (price as of 2026-10-05) |
| June 21, 2016 | CLH | F | 221 | $51.86 | $11,461 | 49,400 Direct | -0.45% | Disposed | 521.6% (price as of 2026-10-05) |
| June 7, 2016 | CLH | A | 5,622 | · | · | 49,621 Direct | +12.78% | Acquired | (price as of 2026-10-05) |
| June 7, 2016 | CLH | A | 4,015 | · | · | 43,999 Direct | +10.04% | Acquired | (price as of 2026-10-05) |
| June 7, 2016 | CLH | A | 5,622 | · | · | 49,621 Direct | +12.78% | Acquired | (price as of 2026-10-05) |
| June 7, 2016 | CLH | A | 4,015 | · | · | 43,999 Direct | +10.04% | Acquired | (price as of 2026-10-05) |
| April 1, 2016 | CLH | A | 10,000 | · | · | 39,984 Direct | +33.35% | Acquired | (price as of 2026-10-05) |
| March 30, 2016 | CLH | F | 183 | $49.70 | $9,095 | 29,984 Direct | -0.61% | Disposed | 548.6% (price as of 2026-10-05) |
| March 28, 2016 | CLH | S | 7,075 | $47.96 | $339,317 | 30,167 Direct | -19.00% | Disposed | 572.2% (price as of 2026-10-05) |
| March 15, 2016 | CLH | F | 792 | $45.77 | $36,250 | 37,242 Direct | -2.08% | Disposed | 604.3% (price as of 2026-10-05) |
| March 11, 2016 | CLH | F | 1,613 | $45.75 | $73,795 | 38,034 Direct | -4.07% | Disposed | 604.6% (price as of 2026-10-05) |
| March 8, 2016 | CLH | D | 3,357 | · | · | 39,647 Direct | -7.81% | Disposed | (price as of 2026-10-05) |
| Dec. 15, 2015 | CLH | F | 108 | $41.11 | $4,440 | 43,004 Direct | -0.25% | Disposed | 684.2% (price as of 2026-10-05) |
| June 22, 2015 | CLH | F | 228 | $55.34 | $12,618 | 43,112 Direct | -0.53% | Disposed | 482.5% (price as of 2026-10-05) |
| June 9, 2015 | CLH | A | 4,899 | · | · | 43,340 Direct | +12.74% | Acquired | (price as of 2026-10-05) |
| June 9, 2015 | CLH | A | 3,499 | · | · | 38,441 Direct | +10.01% | Acquired | (price as of 2026-10-05) |
| June 2, 2015 | CLH | S | 5,044 | $55.72 | $281,052 | 34,942 Direct | -12.61% | Disposed | 478.6% (price as of 2026-10-05) |
| March 30, 2015 | CLH | F | 565 | $56.69 | $32,030 | 39,986 Direct | -1.39% | Disposed | 468.7% (price as of 2026-10-05) |
| March 15, 2015 | CLH | F | 108 | $56.32 | $6,083 | 40,551 Direct | -0.27% | Disposed | 472.4% (price as of 2026-10-05) |
| March 10, 2015 | CLH | F | 1,625 | $54.24 | $88,140 | 40,659 Direct | -3.84% | Disposed | 494.3% (price as of 2026-10-05) |
| March 10, 2015 | CLH | D | 3,983 | · | · | 42,284 Direct | -8.61% | Disposed | (price as of 2026-10-05) |
| June 20, 2014 | CLH | F | 684 | $63.10 | $43,160 | 46,039 Direct | -1.46% | Disposed | 410.9% (price as of 2026-10-05) |
| June 18, 2014 | CLH | S | 4,058 | $62.14 | $252,164 | 46,723 Direct | -7.99% | Disposed | 418.8% (price as of 2026-10-05) |
| June 18, 2014 | CLH | A | 4,476 | · | · | 50,781 Direct | +9.67% | Acquired | (price as of 2026-10-05) |
| June 18, 2014 | CLH | A | 3,197 | · | · | 46,305 Direct | +7.42% | Acquired | (price as of 2026-10-05) |
| May 6, 2014 | CLH | F | 228 | $59.48 | $13,561 | 43,108 Direct | -0.53% | Disposed | 442.0% (price as of 2026-10-05) |
| March 11, 2014 | CLH | F | 1,628 | $51.84 | $84,396 | 43,336 Direct | -3.62% | Disposed | 521.9% (price as of 2026-10-05) |
| Feb. 26, 2014 | CLH | D | 4,051 | · | · | 44,964 Direct | -8.26% | Disposed | (price as of 2026-10-05) |
| July 19, 2013 | CLH | F | 374 | $56.15 | $21,000 | 49,015 Direct | -0.76% | Disposed | 474.1% (price as of 2026-10-05) |
| May 6, 2013 | CLH | A | 4,979 | · | · | 49,389 Direct | +11.21% | Acquired | (price as of 2026-10-05) |
| May 6, 2013 | CLH | A | 3,557 | · | · | 44,410 Direct | +8.71% | Acquired | (price as of 2026-10-05) |
| March 11, 2013 | CLH | A | 15,000 | · | · | 40,853 Direct | +58.02% | Acquired | (price as of 2026-10-05) |
| Dec. 15, 2012 | CLH | F | 1,350 | $56.05 | $75,668 | 25,853 Direct | -4.96% | Disposed | 475.1% (price as of 2026-10-05) |
| Nov. 14, 2012 | CLH | S | 5,174 | $56.15 | $290,520 | 27,203 Direct | -15.98% | Disposed | 474.1% (price as of 2026-10-05) |
| July 19, 2012 | CLH | F | 364 | $59.53 | $21,669 | 32,377 Direct | -1.11% | Disposed | 441.5% (price as of 2026-10-05) |
| March 30, 2012 | CLH | A | 2,893 | · | · | 32,741 Direct | +9.69% | Acquired | (price as of 2026-10-05) |
| March 30, 2012 | CLH | A | 4,051 | · | · | 29,848 Direct | +15.70% | Acquired | (price as of 2026-10-05) |
| March 15, 2012 | CLH | F | 778 | $68.96 | $53,651 | 25,797 Direct | -2.93% | Disposed | 367.5% (price as of 2026-10-05) |
| Dec. 15, 2011 | CLH | F | 1,110 | $58.59 | $65,035 | 26,575 Direct | -4.01% | Disposed | 450.2% (price as of 2026-10-05) |
| Dec. 15, 2011 | CLH | F | 557 | $58.59 | $32,635 | 27,685 Direct | -1.97% | Disposed | 450.2% (price as of 2026-10-05) |
| Dec. 15, 2011 | CLH | F | 224 | $58.59 | $13,124 | 28,242 Direct | -0.79% | Disposed | 450.2% (price as of 2026-10-05) |
| July 19, 2011 | CLH | F | 182 | $112.08 | $20,399 | 14,233 Direct | -1.26% | Disposed | 475.2% (price as of 2026-10-05) |
| June 20, 2011 | CLH | A | 1,750 | · | · | 14,415 Direct | +13.82% | Acquired | (price as of 2026-10-05) |
| June 20, 2011 | CLH | A | 2,450 | · | · | 12,665 Direct | +23.98% | Acquired | (price as of 2026-10-05) |
| March 15, 2011 | CLH | F | 833 | $95.29 | $79,377 | 10,215 Direct | -7.54% | Disposed | 576.6% (price as of 2026-10-05) |
| Dec. 15, 2010 | CLH | F | 112 | $78.38 | $8,779 | 11,048 Direct | -1.00% | Disposed | 722.6% (price as of 2026-10-05) |
| Nov. 4, 2010 | CLH | M | 8,500 | $12.98 | $110,330 | 0 Direct | -100.00% | Disposed | 4867.2% (price as of 2026-10-05) |
| Nov. 4, 2010 | CLH | S | 8,500 | $73.07 | $621,095 | 11,160 Direct | -43.23% | Disposed | 782.4% (price as of 2026-10-05) |
| Nov. 4, 2010 | CLH | M | 8,500 | $12.98 | $110,330 | 19,660 Direct | +76.16% | Acquired | 4867.2% (price as of 2026-10-05) |
| July 19, 2010 | CLH | A | 1,719 | · | · | 11,160 Direct | +18.21% | Acquired | (price as of 2026-10-05) |
| April 20, 2010 | CLH | A | 3,496 | · | · | 9,441 Direct | +58.81% | Acquired | (price as of 2026-10-05) |
| March 8, 2010 | CLH | D | 3,130 | · | · | 5,945 Direct | -34.49% | Disposed | (price as of 2026-10-05) |
| Dec. 15, 2009 | CLH | F | 106 | $58.30 | $6,180 | 9,075 Direct | -1.15% | Disposed | 1005.9% (price as of 2026-10-05) |
| March 18, 2009 | CLH | A | 2,654 | · | · | 9,181 Direct | +40.66% | Acquired | (price as of 2026-10-05) |
| March 16, 2009 | CLH | F | 164 | $41.08 | $6,737 | 6,527 Direct | -2.45% | Disposed | 1469.5% (price as of 2026-10-05) |
| Aug. 29, 2008 | CLH | M | 1,500 | $12.98 | $19,470 | 8,500 Direct | -15.00% | Disposed | 4867.2% (price as of 2026-10-05) |
| Aug. 29, 2008 | CLH | M | 1,000 | $2.26 | $2,260 | 0 Direct | -100.00% | Disposed | 28428.3% (price as of 2026-10-05) |
| Aug. 29, 2008 | CLH | S | 1,500 | $82.08 | $123,120 | 6,691 Direct | -18.31% | Disposed | 685.5% (price as of 2026-10-05) |
| Aug. 29, 2008 | CLH | M | 1,500 | $12.98 | $19,470 | 8,191 Direct | -15.48% | Disposed | 4867.2% (price as of 2026-10-05) |
| Aug. 29, 2008 | CLH | S | 1,000 | $82.08 | $82,080 | 6,691 Direct | -13.00% | Disposed | 685.5% (price as of 2026-10-05) |
| Aug. 29, 2008 | CLH | M | 1,000 | $2.26 | $2,260 | 7,691 Direct | +14.95% | Acquired | 28428.3% (price as of 2026-10-05) |
| May 15, 2008 | CLH | A | 3,130 | · | · | 6,691 Direct | +87.90% | Acquired | (price as of 2026-10-05) |
| March 15, 2008 | CLH | F | 269 | $63.09 | $16,971 | 3,561 Direct | -7.02% | Disposed | 921.9% (price as of 2026-10-05) |
| Jan. 2, 2008 | CLH | F | 815 | · | · | 3,830 Direct | -17.55% | Disposed | (price as of 2026-10-05) |
| Jan. 24, 2007 | CLH | A | 2,072 | · | · | 4,645 Direct | +80.53% | Acquired | (price as of 2026-10-05) |
| Dec. 31, 2006 | CLH | F | 579 | $48.41 | $28,029 | 2,573 Direct | -18.37% | Disposed | 1231.8% (price as of 2026-10-05) |
| Sept. 27, 2006 | CLH | M | 2,000 | $2.26 | $4,520 | 1,000 Direct | -66.67% | Disposed | 28428.3% (price as of 2026-10-05) |
| Sept. 27, 2006 | CLH | S | 2,000 | $42.23 | $84,460 | 0 Direct | -100.00% | Disposed | 1426.7% (price as of 2026-10-05) |
| Sept. 27, 2006 | CLH | M | 2,000 | $2.26 | $4,520 | 2,000 Direct | · | Acquired | 28428.3% (price as of 2026-10-05) |
| Aug. 21, 2006 | CLH | M | 3,000 | $2.26 | $6,780 | 3,000 Direct | -50.00% | Disposed | 28428.3% (price as of 2026-10-05) |
| Aug. 21, 2006 | CLH | M | 2,000 | $1.87 | $3,740 | 0 Direct | -100.00% | Disposed | 34378.1% (price as of 2026-10-05) |
| Aug. 21, 2006 | CLH | S | 3,000 | $41.45 | $124,350 | 0 Direct | -100.00% | Disposed | 1455.5% (price as of 2026-10-05) |
| Aug. 21, 2006 | CLH | M | 3,000 | $2.26 | $6,780 | 3,000 Direct | · | Acquired | 28428.3% (price as of 2026-10-05) |
| Aug. 21, 2006 | CLH | S | 2,000 | $41.45 | $82,900 | 0 Direct | -100.00% | Disposed | 1455.5% (price as of 2026-10-05) |
| Aug. 21, 2006 | CLH | M | 2,000 | $1.87 | $3,740 | 2,000 Direct | · | Acquired | 34378.1% (price as of 2026-10-05) |
| March 17, 2006 | CLH | A | 3,152 | · | · | 3,152 Direct | · | Acquired | (price as of 2026-10-05) |
| May 23, 2005 | CLH | M | 9,000 | $2.26 | $20,340 | 6,000 Direct | -60.00% | Disposed | 28428.3% (price as of 2026-10-05) |
| May 23, 2005 | CLH | S | 9,000 | $21.00 | $189,000 | 0 Direct | -100.00% | Disposed | 2970.2% (price as of 2026-10-05) |
| May 23, 2005 | CLH | M | 9,000 | $2.26 | $20,340 | 9,000 Direct | · | Acquired | 28428.3% (price as of 2026-10-05) |
| May 18, 2005 | CLH | M | 8,000 | $1.87 | $14,960 | 2,000 Direct | -80.00% | Disposed | 34378.1% (price as of 2026-10-05) |
Showing latest 100 of 114 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 |
|---|---|---|---|---|---|---|---|
| Nov. 4, 2010 | CLH | Employee Stock Option | Common Stock | $12.98 | Feb. 21, 2013 | 8,500 | Disposed |
| Aug. 29, 2008 | CLH | Employee Stock Option | Common Stock | $12.98 | Feb. 21, 2013 | 1,500 | Disposed |
| Aug. 29, 2008 | CLH | Employee Stock Option | Common Stock | $2.26 | Sept. 26, 2011 | 1,000 | Disposed |
| Sept. 27, 2006 | CLH | Employee Stock Option | Common Stock | $2.26 | Sept. 27, 2011 | 2,000 | Disposed |
| Aug. 21, 2006 | CLH | Employee Stock Option | Common Stock | $2.26 | Sept. 26, 2011 | 3,000 | Disposed |
| Aug. 21, 2006 | CLH | Employee Stock Option | Common Stock | $1.87 | June 16, 2010 | 2,000 | Disposed |
| May 23, 2005 | CLH | Employee stock option | Common Stock | $2.26 | Sept. 26, 2011 | 9,000 | Disposed |
| May 18, 2005 | CLH | Exercise of employee stock option | Common stock | $1.87 | June 16, 2010 | 8,000 | Disposed |
| April 5, 2005 | CLH | employee stock option | Common Stock | $1.81 | April 27, 2008 | 3,935 | Disposed |
| April 5, 2005 | CLH | employee stock option | Common Stock | $2.50 | Feb. 25, 2010 | 10,000 | Disposed |
| April 5, 2005 | CLH | employee stock option | Common Stock | $2.50 | Feb. 25, 2010 | 10,000 | Disposed |
| April 5, 2005 | CLH | employee stock option | Common Stock | $1.81 | April 27, 2008 | 3,935 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
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 | $395,000 | · | $716,315 | · | · | · | $952 | $1,112,267 |
| 2015 | $395,000 | · | $197,728 | · | $70,000 | · | $621 | $663,349 |
| 2014 | $395,000 | · | $198,853 | · | $245,112 | · | $621 | $839,586 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.