Eric W Gerstenberg
Insider
First SEC filing: Jan. 25, 2012 · Latest: Jan. 25, 2012
Insider at
Insider transactions
0 buys (P)
6 sells (S)
Net: $-2,933,431
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. 14, 2026 | CLH | S | 2,500 | $321.34 | $803,350 | 56,793 Direct | -4.22% | Disposed | -0.9% (price as of 2026-10-02) |
| July 1, 2026 | CLH | F | 564 | $290.74 | $163,977 | 59,293 Direct | -0.94% | Disposed | 9.6% (price as of 2026-10-02) |
| July 1, 2026 | CLH | F | 564 | $290.74 | $163,977 | 38,313 Direct | -1.45% | Disposed | 9.6% (price as of 2026-10-02) |
| March 18, 2026 | CLH | S | 1,000 | $293.00 | $293,000 | 59,857 Direct | -1.64% | Disposed | 8.7% (price as of 2026-10-02) |
| March 18, 2026 | CLH | S | 1,000 | $293.00 | $293,000 | 38,877 Direct | -2.51% | Disposed | 8.7% (price as of 2026-10-02) |
| March 13, 2026 | CLH | F | 977 | $288.93 | $282,285 | 63,023 Direct | -1.53% | Disposed | 10.2% (price as of 2026-10-02) |
| March 13, 2026 | CLH | D | 2,166 | · | · | 60,857 Direct | -3.44% | Disposed | (price as of 2026-10-02) |
| March 13, 2026 | CLH | F | 977 | $288.93 | $282,285 | 42,043 Direct | -2.27% | Disposed | 10.2% (price as of 2026-10-02) |
| March 13, 2026 | CLH | D | 2,166 | · | · | 39,877 Direct | -5.15% | Disposed | (price as of 2026-10-02) |
| Feb. 23, 2026 | CLH | S | 2,500 | $279.86 | $699,650 | 64,000 Direct | -3.76% | Disposed | 13.8% (price as of 2026-10-02) |
| Feb. 23, 2026 | CLH | S | 2,500 | $279.86 | $699,650 | 43,020 Direct | -5.49% | Disposed | 13.8% (price as of 2026-10-02) |
| Feb. 2, 2026 | CLH | F | 4,934 | $259.91 | $1,282,396 | 45,520 Direct | -9.78% | Disposed | 22.5% (price as of 2026-10-02) |
| Feb. 1, 2026 | CLH | A | 10,690 | · | · | 66,500 Direct | +19.15% | Acquired | (price as of 2026-10-02) |
| Feb. 1, 2026 | CLH | A | 10,290 | · | · | 55,810 Direct | +22.61% | Acquired | (price as of 2026-10-02) |
| Dec. 16, 2025 | CLH | S | 601 | $240.90 | $144,781 | 50,454 Direct | -1.18% | Disposed | 32.2% (price as of 2026-10-02) |
| July 1, 2025 | CLH | F | 564 | $229.55 | $129,466 | 51,055 Direct | -1.09% | Disposed | 38.8% (price as of 2026-10-02) |
| June 6, 2025 | CLH | S | 8,076 | $225.23 | $1,818,957 | 51,619 Direct | -13.53% | Disposed | 41.4% (price as of 2026-10-02) |
| March 17, 2025 | CLH | F | 978 | $192.90 | $188,656 | 64,439 Direct | -1.50% | Disposed | 65.1% (price as of 2026-10-02) |
| March 17, 2025 | CLH | D | 4,744 | · | · | 59,695 Direct | -7.36% | Disposed | (price as of 2026-10-02) |
| March 17, 2025 | CLH | F | 978 | $192.90 | $188,656 | 64,439 Direct | -1.50% | Disposed | 65.1% (price as of 2026-10-02) |
| Feb. 1, 2025 | CLH | A | 11,059 | · | · | 66,716 Direct | +19.87% | Acquired | (price as of 2026-10-02) |
| Feb. 1, 2025 | CLH | A | 5,325 | · | · | 72,041 Direct | +7.98% | Acquired | (price as of 2026-10-02) |
| Feb. 1, 2025 | CLH | F | 6,624 | $233.00 | $1,543,392 | 65,417 Direct | -9.19% | Disposed | 36.7% (price as of 2026-10-02) |
| Feb. 1, 2025 | CLH | A | 11,059 | · | · | 66,716 Direct | +19.87% | Acquired | (price as of 2026-10-02) |
| Feb. 1, 2025 | CLH | A | 5,325 | · | · | 72,041 Direct | +7.98% | Acquired | (price as of 2026-10-02) |
| Feb. 1, 2025 | CLH | F | 7,434 | $233.00 | $1,732,122 | 64,607 Direct | -10.32% | Disposed | 36.7% (price as of 2026-10-02) |
| Nov. 15, 2024 | CLH | S | 6,051 | $250.42 | $1,515,291 | 55,657 Direct | -9.81% | Disposed | 27.2% (price as of 2026-10-02) |
| Sept. 1, 2024 | CLH | F | 806 | $245.90 | $198,195 | 61,708 Direct | -1.29% | Disposed | 29.5% (price as of 2026-10-02) |
| July 1, 2024 | CLH | F | 4,329 | $220.63 | $955,107 | 62,514 Direct | -6.48% | Disposed | 44.4% (price as of 2026-10-02) |
| March 15, 2024 | CLH | F | 531 | $187.84 | $99,743 | 66,843 Direct | -0.79% | Disposed | 69.6% (price as of 2026-10-02) |
| March 15, 2024 | CLH | S | 15,276 | $187.71 | $2,867,458 | 67,374 Direct | -18.48% | Disposed | 69.7% (price as of 2026-10-02) |
| Feb. 1, 2024 | CLH | A | 14,524 | · | · | 83,033 Direct | +21.20% | Acquired | (price as of 2026-10-02) |
| Feb. 1, 2024 | CLH | A | 4,332 | · | · | 87,365 Direct | +5.22% | Acquired | (price as of 2026-10-02) |
| Feb. 1, 2024 | CLH | F | 4,715 | $172.62 | $813,903 | 82,650 Direct | -5.40% | Disposed | 84.5% (price as of 2026-10-02) |
| Dec. 15, 2023 | CLH | F | 278 | $174.75 | $48,580 | 68,509 Direct | -0.40% | Disposed | 82.3% (price as of 2026-10-02) |
| Nov. 22, 2023 | CLH | S | 8,000 | $164.82 | $1,318,560 | 68,787 Direct | -10.42% | Disposed | 93.2% (price as of 2026-10-02) |
| Sept. 1, 2023 | CLH | F | 740 | $173.37 | $128,294 | 76,787 Direct | -0.95% | Disposed | 83.7% (price as of 2026-10-02) |
| Sept. 1, 2023 | CLH | F | 1,667 | $173.37 | $289,008 | 75,860 Direct | -2.15% | Disposed | 83.7% (price as of 2026-10-02) |
| July 3, 2023 | CLH | S | 9,725 | $164.43 | $1,599,082 | 77,527 Direct | -11.15% | Disposed | 93.7% (price as of 2026-10-02) |
| March 15, 2023 | CLH | S | 488 | $133.07 | $64,938 | 87,252 Direct | -0.56% | Disposed | 139.4% (price as of 2026-10-02) |
| Feb. 1, 2023 | CLH | A | 6,696 | · | · | 68,028 Direct | +10.92% | Acquired | (price as of 2026-10-02) |
| Feb. 1, 2023 | CLH | A | 22,450 | · | · | 90,478 Direct | +33.00% | Acquired | (price as of 2026-10-02) |
| Feb. 1, 2023 | CLH | F | 2,738 | $130.59 | $357,555 | 87,740 Direct | -3.03% | Disposed | 143.9% (price as of 2026-10-02) |
| Dec. 21, 2022 | CLH | S | 16,409 | $116.02 | $1,903,772 | 61,332 Direct | -21.11% | Disposed | 174.5% (price as of 2026-10-02) |
| Dec. 15, 2022 | CLH | F | 833 | $116.50 | $97,044 | 77,741 Direct | -1.06% | Disposed | 173.4% (price as of 2026-10-02) |
| Sept. 1, 2022 | CLH | F | 739 | $116.51 | $86,101 | 78,574 Direct | -0.93% | Disposed | 173.4% (price as of 2026-10-02) |
| July 1, 2022 | CLH | F | 11,513 | $90.32 | $1,039,854 | 79,313 Direct | -12.68% | Disposed | 252.6% (price as of 2026-10-02) |
| March 25, 2022 | CLH | S | 6,927 | $106.62 | $738,557 | 90,826 Direct | -7.09% | Disposed | 198.7% (price as of 2026-10-02) |
| March 15, 2022 | CLH | F | 258 | $105.77 | $27,289 | 97,753 Direct | -0.26% | Disposed | 201.1% (price as of 2026-10-02) |
| March 10, 2022 | CLH | D | 1,788 | · | · | 98,011 Direct | -1.79% | Disposed | (price as of 2026-10-02) |
| Feb. 7, 2022 | CLH | A | 18,417 | · | · | 99,799 Direct | +22.63% | Acquired | (price as of 2026-10-02) |
| Feb. 7, 2022 | CLH | A | 5,493 | · | · | 81,382 Direct | +7.24% | Acquired | (price as of 2026-10-02) |
| Feb. 1, 2022 | CLH | F | 3,021 | $93.35 | $282,010 | 75,889 Direct | -3.83% | Disposed | 241.2% (price as of 2026-10-02) |
| Dec. 15, 2021 | CLH | F | 2,361 | $98.73 | $233,102 | 78,910 Direct | -2.91% | Disposed | 222.6% (price as of 2026-10-02) |
| Sept. 1, 2021 | CLH | A | 5,000 | · | · | 81,271 Direct | +6.56% | Acquired | (price as of 2026-10-02) |
| Aug. 20, 2021 | CLH | S | 17,963 | $100.28 | $1,801,330 | 76,271 Direct | -19.06% | Disposed | 217.6% (price as of 2026-10-02) |
| July 1, 2021 | CLH | A | 5,828 | · | · | 82,574 Direct | +7.59% | Acquired | (price as of 2026-10-02) |
| July 1, 2021 | CLH | A | 19,542 | · | · | 102,116 Direct | +23.67% | Acquired | (price as of 2026-10-02) |
| July 1, 2021 | CLH | F | 7,882 | $93.23 | $734,839 | 94,234 Direct | -7.72% | Disposed | 241.6% (price as of 2026-10-02) |
| June 1, 2021 | CLH | F | 778 | $94.13 | $73,233 | 76,746 Direct | -1.00% | Disposed | 238.4% (price as of 2026-10-02) |
| March 15, 2021 | CLH | D | 2,542 | · | · | 77,524 Direct | -3.17% | Disposed | (price as of 2026-10-02) |
| March 15, 2021 | CLH | F | 1,748 | $89.50 | $156,446 | 80,066 Direct | -2.14% | Disposed | 255.9% (price as of 2026-10-02) |
| Feb. 1, 2021 | CLH | F | 3,012 | $79.38 | $239,093 | 81,814 Direct | -3.55% | Disposed | 301.2% (price as of 2026-10-02) |
| Dec. 15, 2020 | CLH | F | 1,005 | $72.99 | $73,355 | 84,826 Direct | -1.17% | Disposed | 336.4% (price as of 2026-10-02) |
| Aug. 20, 2020 | CLH | S | 20,279 | $61.72 | $1,251,620 | 85,831 Direct | -19.11% | Disposed | 416.1% (price as of 2026-10-02) |
| July 1, 2020 | CLH | A | 8,937 | · | · | 108,089 Direct | +9.01% | Acquired | (price as of 2026-10-02) |
| July 1, 2020 | CLH | A | 33,960 | · | · | 99,152 Direct | +52.09% | Acquired | (price as of 2026-10-02) |
| July 1, 2020 | CLH | F | 1,979 | $58.30 | $115,376 | 106,110 Direct | -1.83% | Disposed | 446.3% (price as of 2026-10-02) |
| June 1, 2020 | CLH | F | 1,456 | $60.78 | $88,496 | 65,192 Direct | -2.18% | Disposed | 424.0% (price as of 2026-10-02) |
| April 1, 2020 | CLH | F | 1,479 | $45.91 | $67,901 | 66,648 Direct | -2.17% | Disposed | 593.8% (price as of 2026-10-02) |
| March 15, 2020 | CLH | F | 612 | $54.33 | $33,250 | 68,127 Direct | -0.89% | Disposed | 486.3% (price as of 2026-10-02) |
| March 2, 2020 | CLH | F | 2,218 | $69.52 | $154,195 | 68,739 Direct | -3.13% | Disposed | 358.2% (price as of 2026-10-02) |
| Feb. 3, 2020 | CLH | F | 2,039 | $82.22 | $167,647 | 70,957 Direct | -2.79% | Disposed | 287.4% (price as of 2026-10-02) |
| Dec. 15, 2019 | CLH | F | 1,561 | $83.68 | $130,624 | 72,996 Direct | -2.09% | Disposed | 280.6% (price as of 2026-10-02) |
| Aug. 8, 2019 | CLH | S | 20,000 | $78.52 | $1,570,400 | 74,557 Direct | -21.15% | Disposed | 305.6% (price as of 2026-10-02) |
| July 1, 2019 | CLH | A | 6,354 | · | · | 94,557 Direct | +7.20% | Acquired | (price as of 2026-10-02) |
| July 1, 2019 | CLH | A | 6,354 | · | · | 88,203 Direct | +7.76% | Acquired | (price as of 2026-10-02) |
| June 3, 2019 | CLH | F | 4,707 | $64.12 | $301,813 | 81,849 Direct | -5.44% | Disposed | 396.7% (price as of 2026-10-02) |
| April 1, 2019 | CLH | F | 1,961 | $72.00 | $141,192 | 86,556 Direct | -2.22% | Disposed | 342.4% (price as of 2026-10-02) |
| March 15, 2019 | CLH | F | 861 | $68.74 | $59,185 | 88,517 Direct | -0.96% | Disposed | 363.4% (price as of 2026-10-02) |
| March 13, 2019 | CLH | D | 4,831 | · | · | 89,378 Direct | -5.13% | Disposed | (price as of 2026-10-02) |
| March 1, 2019 | CLH | F | 1,491 | $68.77 | $102,536 | 94,209 Direct | -1.56% | Disposed | 363.2% (price as of 2026-10-02) |
| Feb. 1, 2019 | CLH | A | 20,000 | · | · | 95,700 Direct | +26.42% | Acquired | (price as of 2026-10-02) |
| Dec. 14, 2018 | CLH | F | 322 | $55.53 | $17,881 | 75,700 Direct | -0.42% | Disposed | 473.6% (price as of 2026-10-02) |
| July 1, 2018 | CLH | A | 8,268 | · | · | 76,022 Direct | +12.20% | Acquired | (price as of 2026-10-02) |
| July 1, 2018 | CLH | A | 8,268 | · | · | 67,754 Direct | +13.90% | Acquired | (price as of 2026-10-02) |
| June 25, 2018 | CLH | S | 8,000 | $55.19 | $441,520 | 59,486 Direct | -11.85% | Disposed | 477.1% (price as of 2026-10-02) |
| June 1, 2018 | CLH | F | 2,474 | $53.69 | $132,829 | 67,486 Direct | -3.54% | Disposed | 493.2% (price as of 2026-10-02) |
| April 2, 2018 | CLH | F | 1,964 | $48.81 | $95,863 | 69,960 Direct | -2.73% | Disposed | 552.6% (price as of 2026-10-02) |
| March 15, 2018 | CLH | F | 382 | $49.98 | $19,092 | 71,924 Direct | -0.53% | Disposed | 537.3% (price as of 2026-10-02) |
| March 1, 2018 | CLH | F | 1,486 | $48.06 | $71,417 | 72,306 Direct | -2.01% | Disposed | 562.7% (price as of 2026-10-02) |
| Feb. 28, 2018 | CLH | F | 5,260 | · | · | 73,792 Direct | -6.65% | Disposed | (price as of 2026-10-02) |
| Dec. 27, 2017 | CLH | S | 7,150 | $52.77 | $377,306 | 79,052 Direct | -8.29% | Disposed | 503.6% (price as of 2026-10-02) |
| Dec. 26, 2017 | CLH | S | 5,143 | $53.04 | $272,785 | 86,202 Direct | -5.63% | Disposed | 500.5% (price as of 2026-10-02) |
| Dec. 15, 2017 | CLH | F | 605 | $52.17 | $31,563 | 91,345 Direct | -0.66% | Disposed | 510.5% (price as of 2026-10-02) |
| Aug. 24, 2017 | CLH | S | 4,667 | $50.42 | $235,310 | 91,950 Direct | -4.83% | Disposed | 531.7% (price as of 2026-10-02) |
| July 1, 2017 | CLH | A | 7,433 | · | · | 96,617 Direct | +8.33% | Acquired | (price as of 2026-10-02) |
| July 1, 2017 | CLH | A | 7,433 | · | · | 89,184 Direct | +9.09% | Acquired | (price as of 2026-10-02) |
| June 1, 2017 | CLH | F | 1,762 | $59.25 | $104,398 | 81,751 Direct | -2.11% | Disposed | 437.6% (price as of 2026-10-02) |
| March 31, 2017 | CLH | F | 1,082 | $55.62 | $60,181 | 83,513 Direct | -1.28% | Disposed | 472.7% (price as of 2026-10-02) |
Showing latest 100 of 196 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 |
|---|---|---|---|---|---|---|---|
| Aug. 22, 2008 | CLH | Employee Stock Option | Common Stock | $12.98 | Feb. 21, 2013 | 8,000 | Disposed |
| April 4, 2007 | CLH | Exercise of Employee stock option | Common Stock | $12.98 | April 4, 2007 | 8,000 | Disposed |
| Sept. 26, 2006 | CLH | Employee Stock Option | Common Stock | $2.26 | Sept. 26, 2011 | 1,000 | Disposed |
| May 5, 2006 | CLH | Employee Stock Option | Common Stock | $12.98 | Feb. 21, 2013 | 8,000 | Disposed |
| Sept. 29, 2005 | CLH | Employee Stock Option | Common Stock | $2.26 | Sept. 26, 2011 | 1,000 | Disposed |
| June 13, 2005 | CLH | Employee stock option | Common Stock | $12.98 | Feb. 21, 2013 | 16,000 | Disposed |
| May 2, 2005 | CLH | Employee Stock Option | Common Stock | $2.26 | Sept. 26, 2011 | 1,000 | Disposed |
| May 2, 2005 | CLH | Employee Stock Option | Common Stock | $2.50 | Feb. 25, 2010 | 6,000 | 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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | $1,000,000 | · | $3,197,110 | · | $1,719,000 | · | $13,312 | $5,929,422 |
| 2024 | $900,000 | · | $2,881,028 | · | $1,493,831 | · | $7,986 | $5,282,845 |
| 2023 | $831,250 | · | $2,931,746 | · | $1,168,875 | · | $6,672 | $4,938,543 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.