Douglas R Casella
CIK 1055353 · View on SEC EDGAR ↗
First SEC filing: June 5, 2026 · Latest: June 5, 2026
On this page
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 14, 2026 | CWST | S | 1,343 | $91.12 | $122,374 | 90,141 Direct | -1.47% | Disposed | 2.0% (price as of 2026-08-20) |
| Aug. 13, 2026 | CWST | S | 1,838 | $90.89 | $167,056 | 104,803 Direct | -1.72% | Disposed | 2.2% (price as of 2026-08-20) |
| Aug. 13, 2026 | CWST | S | 13,319 | $91.07 | $1,212,961 | 91,484 Direct | -12.71% | Disposed | 2.0% (price as of 2026-08-20) |
| March 13, 2025 | CWST | S | 200 | $103.93 | $20,786 | 108,748 Direct | -0.18% | Disposed | -10.6% (price as of 2026-08-20) |
| March 12, 2025 | CWST | S | 224 | $106.33 | $23,818 | 108,948 Direct | -0.21% | Disposed | -12.6% (price as of 2026-08-20) |
| March 12, 2025 | CWST | S | 272 | $107.26 | $29,175 | 109,172 Direct | -0.25% | Disposed | -13.4% (price as of 2026-08-20) |
| March 10, 2025 | CWST | S | 3,158 | $112.38 | $354,896 | 107,875 Direct | -2.84% | Disposed | -17.3% (price as of 2026-08-20) |
| March 10, 2025 | CWST | S | 2,229 | $111.32 | $248,132 | 111,033 Direct | -1.97% | Disposed | -16.5% (price as of 2026-08-20) |
| Nov. 22, 2024 | CWST | S | 20,000 | $112.26 | $2,245,200 | 115,435 Direct | -14.77% | Disposed | -17.2% (price as of 2026-08-20) |
| March 14, 2024 | CWST | S | 391 | $94.17 | $36,820 | 135,435 Direct | -0.29% | Disposed | -1.3% (price as of 2026-08-20) |
| March 13, 2024 | CWST | S | 674 | $94.06 | $63,396 | 135,826 Direct | -0.49% | Disposed | -1.2% (price as of 2026-08-20) |
| Aug. 9, 2023 | CWST | S | 18,786 | $80.12 | $1,505,134 | 134,742 Direct | -12.24% | Disposed | 16.0% (price as of 2026-08-20) |
| Aug. 9, 2023 | CWST | S | 3,123 | $80.14 | $250,277 | 153,528 Direct | -1.99% | Disposed | 15.9% (price as of 2026-08-20) |
| Aug. 8, 2023 | CWST | S | 1,214 | $80.00 | $97,120 | 156,651 Direct | -0.77% | Disposed | 16.2% (price as of 2026-08-20) |
| Aug. 8, 2023 | CWST | S | 2,180 | $80.02 | $174,444 | 157,865 Direct | -1.36% | Disposed | 16.1% (price as of 2026-08-20) |
| March 15, 2023 | CWST | S 10b5-1 | 916 | $82.23 | $75,323 | 160,045 Direct | -0.57% | Disposed | 13.0% (price as of 2026-08-20) |
| Nov. 7, 2022 | CWST | S | 305 | $81.76 | $24,937 | 158,773 Direct | -0.19% | Disposed | 13.6% (price as of 2026-08-20) |
| Nov. 7, 2022 | CWST | S | 22,748 | $81.04 | $1,843,498 | 159,078 Direct | -12.51% | Disposed | 14.7% (price as of 2026-08-20) |
| Nov. 4, 2022 | CWST | S | 26,947 | $80.93 | $2,180,821 | 181,826 Direct | -12.91% | Disposed | 14.8% (price as of 2026-08-20) |
| Aug. 22, 2022 | CWST | S | 20,000 | $84.08 | $1,681,600 | 208,773 Direct | -8.74% | Disposed | 10.5% (price as of 2026-08-20) |
| March 16, 2022 | CWST | S 10b5-1 | 1,400 | $88.11 | $123,354 | 228,773 Direct | -0.61% | Disposed | 5.5% (price as of 2026-08-20) |
| March 15, 2022 | CWST | S 10b5-1 | 1,114 | $87.35 | $97,308 | 245,621 Direct | -0.45% | Disposed | 6.4% (price as of 2026-08-20) |
| March 15, 2022 | CWST | S 10b5-1 | 131 | $87.99 | $11,527 | 245,490 Direct | -0.05% | Disposed | 5.6% (price as of 2026-08-20) |
| March 15, 2022 | CWST | S 10b5-1 | 15,317 | $88.03 | $1,348,356 | 230,173 Direct | -6.24% | Disposed | 5.6% (price as of 2026-08-20) |
| March 14, 2022 | CWST | S | 12,331 | $85.59 | $1,055,410 | 247,835 Direct | -4.74% | Disposed | 8.6% (price as of 2026-08-20) |
| March 14, 2022 | CWST | S | 1,100 | $90.27 | $99,297 | 246,735 Direct | -0.44% | Disposed | 2.9% (price as of 2026-08-20) |
| Aug. 11, 2021 | CWST | S | 19,559 | $69.40 | $1,357,395 | 258,353 Direct | -7.04% | Disposed | 33.9% (price as of 2026-08-20) |
| Aug. 11, 2021 | CWST | S | 7,700 | $68.54 | $527,758 | 277,912 Direct | -2.70% | Disposed | 35.6% (price as of 2026-08-20) |
| Aug. 10, 2021 | CWST | S | 8,398 | $68.19 | $572,660 | 285,612 Direct | -2.86% | Disposed | 36.3% (price as of 2026-08-20) |
| Aug. 9, 2021 | CWST | S | 62,343 | $68.24 | $4,254,286 | 294,010 Direct | -17.49% | Disposed | 36.2% (price as of 2026-08-20) |
| Aug. 9, 2021 | CWST | S | 2,000 | $68.50 | $137,000 | 356,353 Direct | -0.56% | Disposed | 35.6% (price as of 2026-08-20) |
| March 16, 2021 | CWST | S 10b5-1 | 1,526 | $64.49 | $98,412 | 358,353 Direct | -0.42% | Disposed | 44.1% (price as of 2026-08-20) |
| Aug. 6, 2020 | CWST | S | 200,000 | $54.75 | $10,950,000 | 357,329 Direct | -35.89% | Disposed | 69.7% (price as of 2026-08-20) |
| May 19, 2020 | CWST | S | 43,768 | $49.76 | $2,177,896 | 557,329 Direct | -7.28% | Disposed | 86.7% (price as of 2026-08-20) |
| March 13, 2020 | CWST | S 10b5-1 | 1,014 | $42.77 | $43,369 | 601,097 Direct | -0.17% | Disposed | 117.3% (price as of 2026-08-20) |
| March 3, 2020 | CWST | S 10b5-1 | 1,195 | $49.14 | $58,722 | 598,312 Direct | -0.20% | Disposed | 89.1% (price as of 2026-08-20) |
| Aug. 27, 2019 | CWST | S | 38,853 | $44.90 | $1,744,500 | 603,851 Direct | -6.05% | Disposed | 106.9% (price as of 2026-08-20) |
| Aug. 27, 2019 | CWST | S | 38,853 | $44.90 | $1,744,500 | 603,857 Direct | -6.05% | Disposed | 106.9% (price as of 2026-08-20) |
| Aug. 9, 2019 | CWST | S | 37,283 | $45.69 | $1,703,460 | 642,704 Direct | -5.48% | Disposed | 103.4% (price as of 2026-08-20) |
| March 14, 2019 | CWST | S 10b5-1 | 1,165 | $34.16 | $39,796 | 679,987 Direct | -0.17% | Disposed | 172.0% (price as of 2026-08-20) |
| March 13, 2019 | CWST | S 10b5-1 | 531 | $34.18 | $18,150 | 681,152 Direct | -0.08% | Disposed | 171.9% (price as of 2026-08-20) |
| March 12, 2019 | CWST | S 10b5-1 | 32,796 | $34.15 | $1,119,983 | 676,899 Direct | -4.62% | Disposed | 172.1% (price as of 2026-08-20) |
| March 4, 2019 | CWST | S 10b5-1 | 2,017 | $34.99 | $70,575 | 709,695 Direct | -0.28% | Disposed | 165.6% (price as of 2026-08-20) |
| March 1, 2019 | CWST | S 10b5-1 | 1,251 | $35.29 | $44,148 | 711,712 Direct | -0.18% | Disposed | 163.3% (price as of 2026-08-20) |
| March 12, 2018 | CWST | S | 21,332 | $23.62 | $503,862 | 712,963 Direct | -2.91% | Disposed | 293.4% (price as of 2026-08-20) |
| March 2, 2018 | CWST | S 10b5-1 | 3,429 | $24.34 | $83,462 | 729,206 Direct | -0.47% | Disposed | 281.8% (price as of 2026-08-20) |
| March 1, 2018 | CWST | S 10b5-1 | 1,772 | $25.45 | $45,097 | 732,635 Direct | -0.24% | Disposed | 265.1% (price as of 2026-08-20) |
| Feb. 27, 2018 | CWST | S 10b5-1 | 5,206 | $26.79 | $139,469 | 734,407 Direct | -0.70% | Disposed | 246.8% (price as of 2026-08-20) |
| June 28, 2017 | CWST | S 10b5-1 | 2,166 | $16.82 | $36,432 | 739,613 Direct | -0.29% | Disposed | 452.4% (price as of 2026-08-20) |
| March 15, 2017 | CWST | S | 13,900 | $12.52 | $174,028 | 741,779 Direct | -1.84% | Disposed | 642.2% (price as of 2026-08-20) |
| March 14, 2017 | CWST | S | 100 | $12.50 | $1,250 | 755,679 Direct | -0.01% | Disposed | 643.4% (price as of 2026-08-20) |
| March 6, 2017 | CWST | S 10b5-1 | 6,897 | $12.80 | $88,282 | 741,779 Direct | -0.92% | Disposed | 625.9% (price as of 2026-08-20) |
| June 29, 2016 | CWST | S 10b5-1 | 5,806 | $7.56 | $43,893 | 738,349 Direct | -0.78% | Disposed | 1129.1% (price as of 2026-08-20) |
| June 9, 2015 | CWST | S | 2,968 | $5.60 | $16,621 | 729,623 Direct | -0.41% | Disposed | 1559.3% (price as of 2026-08-20) |
| July 3, 2014 | CWST | S | 9,882 | $5.08 | $50,201 | 703,735 Direct | -1.38% | Disposed | 1729.1% (price as of 2026-08-20) |
| July 27, 2012 | CWST | S | 5,865 | $5.08 | $29,794 | 643,861 Direct | -0.90% | Disposed | 1729.1% (price as of 2026-08-20) |
Showing latest 100 of 128 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 |
|---|---|---|---|---|---|---|---|
| March 14, 2017 | CWST | Employee Stock Option (right to buy) | Class A Common Stock (14,000) | $11.01 | July 23, 2017 | 14,000 | Acquired |
| June 14, 2014 | CWST | Restricted Stock Unit | Class A Common Stock (6,635) | — | — | 6,635 | Disposed |
| June 16, 2012 | CWST | Restricted Stock Unit | Class A Common Stock (11,620) | — | — | 11,620 | Acquired |
| June 14, 2012 | CWST | Restricted Stock Unit | Class A Common Stock (6,634) | — | — | 6,634 | Acquired |
| June 11, 2012 | CWST | Restricted Stock Unit | Class A Common Stock (15,463) | — | — | 15,463 | Acquired |
| June 14, 2011 | CWST | Restricted Stock Unit | Class A Common Stock (19,904) | — | — | 19,904 | Acquired |
| June 11, 2011 | CWST | Restricted Stock Unit | Class A Common Stock (15,463) | — | — | 15,463 | Acquired |
| June 10, 2011 | CWST | Restricted Stock Unit | Class A Common Stock (11,620) | — | — | 11,620 | Acquired |
| June 11, 2010 | CWST | Restricted Stock Unit | Class A Common Stock (15,463) | — | — | 15,463 | Acquired |
| June 10, 2010 | CWST | Restricted Stock Unit | Class A Common Stock (34,860) | — | — | 34,860 | Acquired |
| June 11, 2009 | CWST | Restricted Stock Unit | Class A Common Stock (46,391) | — | — | 46,391 | Acquired |
| July 23, 2007 | CWST | Option | Class A Common Stock (14,000) | $11.01 | July 23, 2017 | 14,000 | Acquired |
| July 6, 2006 | CWST | Option | Class A Common Stock (30,000) | $13.00 | July 6, 2016 | 30,000 | Acquired |
| June 30, 2005 | CWST | Option | Class A Common Stock (8,333) | $12.00 | June 30, 2015 | 8,333 | Acquired |
| June 30, 2005 | CWST | Option | Class A Common Stock (21,667) | $12.00 | June 30, 2015 | 21,667 | Acquired |
| Dec. 27, 2004 | CWST | Stock Option | Class A Common Stock (37,500) | $9.56 | May 10, 2005 | 37,500 | Disposed |
| June 28, 2004 | CWST | Option | Class A Common Stock (8,854) | $13.28 | June 28, 2014 | 8,854 | Acquired |
| June 28, 2004 | CWST | Option | Class A Common Stock (21,146) | $13.28 | June 28, 2014 | 21,146 | Acquired |
| April 15, 2004 | CWST | Option | Class A Common (85,000) | $2.00 | May 25, 2004 | 85,000 | Disposed |
| April 15, 2004 | CWST | Option | Class A Common (85,000) | $2.00 | May 25, 2004 | 85,000 | Disposed |
| Oct. 13, 2003 | CWST | Warrant | Class A Common (13,500) | $0.01 | Oct. 31, 2003 | 13,500 | Disposed |
| June 18, 2003 | CWST | Option | Class A Common Stock (10,000) | $9.12 | June 17, 2013 | 10,000 | Acquired |
| June 18, 2003 | CWST | Option | Class A Common Stock (20,000) | $9.12 | June 17, 2013 | 20,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).