William P Hulligan

CIK 1283143 · View on SEC EDGAR ↗

Insider

First SEC filing: June 5, 2026 · Latest: June 5, 2026

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 12 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

12 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Nov. 4, 2024 CWST S 8,498 $99.80 $848,100 5,153 Direct -62.25% Disposed -6.9% (price as of 2026-08-21)
Nov. 4, 2024 CWST S 1,502 $99.92 $150,080 13,651 Direct -9.91% Disposed -7.1% (price as of 2026-08-21)
Aug. 10, 2023 CWST S 5,000 $79.98 $399,900 13,702 Direct -26.74% Disposed 16.1% (price as of 2026-08-21)
Nov. 19, 2021 CWST S 10,000 $87.01 $870,100 15,754 Direct -38.83% Disposed 6.7% (price as of 2026-08-21)
Aug. 6, 2020 CWST S 5,000 $55.22 $276,100 23,952 Direct -17.27% Disposed 68.2% (price as of 2026-08-21)
May 12, 2020 CWST S 5,000 $48.75 $243,750 27,031 Direct -15.61% Disposed 90.5% (price as of 2026-08-21)
Feb. 25, 2020 CWST S 10,000 $52.73 $527,300 32,031 Direct -23.79% Disposed 76.1% (price as of 2026-08-21)
Aug. 6, 2019 CWST S 10,000 $44.60 $446,000 42,031 Direct -19.22% Disposed 108.2% (price as of 2026-08-21)
Feb. 26, 2019 CWST S 10,000 $35.70 $357,000 49,484 Direct -16.81% Disposed 160.2% (price as of 2026-08-21)
Dec. 12, 2018 CWST S 10,000 $29.94 $299,400 59,484 Direct -14.39% Disposed 210.2% (price as of 2026-08-21)
Aug. 7, 2018 CWST S 10,000 $28.85 $288,500 69,484 Direct -12.58% Disposed 221.9% (price as of 2026-08-21)
March 6, 2018 CWST S 20,000 $24.01 $480,200 76,760 Direct -20.67% Disposed 286.8% (price as of 2026-08-21)
Aug. 7, 2017 CWST S 20,000 $16.15 $323,000 96,760 Direct -17.13% Disposed 475.1% (price as of 2026-08-21)

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.

Initial ownership (Form 3) 1 holding

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
Sept. 3, 2015 CWST Class A Common Stock 100,000 Direct