클린 하버즈, Inc.
US ˙ NYSE ˙ US1844961078

SecurityCLH / Clean Harbors, Inc.
InsiderWelch John R.
This page shows the track record and history of Welch John R. insider trades in Clean Harbors, Inc.. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company. It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean it is illegal for them to make any trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis

In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Welch John R. in CLH / Clean Harbors, Inc.. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Max
Price at
Max
Max
Profit ($)
Max Return (%)
There are no known unplanned open-market trades for this insider

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

CLH / Clean Harbors, Inc. Insider Trades
Insider Sales - Short Term Loss Analysis

In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Welch John R. in CLH / Clean Harbors, Inc.. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Min
Price at
Min
Max Loss
Avoided ($)
Max Loss
Avoided (%)
2026-02-19 750 273.0700 750 273.0700 204,802 29 275.8800 2,108 1.03
2025-05-28 1,250 228.5100 1,250 228.5100 285,638
2023-06-02 1,000 150.4300 1,000 150.4300 150,430
2021-08-05 5,500 99.0500 5,500 99.0500 544,775

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

CLH / Clean Harbors, Inc. Insider Trades
Insider Transaction History
File
Date
Trade
Date
Form Insider Ticker Security Title Code 10b5-1 Direct Exercise
Price
Unit
Price
Units
Changed
Value
Changed (1K)
Remaining
Options
Remaining
Shares
2026-05-22 2026-05-20 4 Welch John R. CLH Common Stock A - Award D 652 10,889
2026-02-20 2026-02-19 4 Welch John R. CLH Common Stock S - Sale D 273.0700 -750 -205 10,237
2025-12-29 2025-12-17 4 Welch John R. CLH Common Stock G - Gift D -415 10,987
2025-05-29 2025-05-28 4 Welch John R. CLH Common Stock S - Sale D 228.5100 -1,250 -286 11,402
2025-05-23 2025-05-21 4 Welch John R. CLH Common Stock A - Award D 789 12,652
2024-05-23 2024-05-22 4 Welch John R. CLH Common Stock A - Award D 836 11,863
2024-02-27 2024-02-26 4 Welch John R. CLH Common Stock G - Gift D -1,400 11,027
2023-06-05 2023-06-02 4 Welch John R. CLH Common Stock S - Sale D 150.4300 -1,000 -150 12,427
2023-05-25 2023-05-24 4 Welch John R. CLH Common Stock A - Award D 1,148 13,427
2022-05-26 2022-05-25 4 Welch John R. CLH Common Stock A - Award D 1,849 12,279
2022-01-05 2022-01-03 4 Welch John R. CLH Common Stock A - Award D 257 10,430
2021-08-09 2021-08-05 4 Welch John R. CLH Common Stock S - Sale D 99.0500 -5,500 -545 10,173
2021-06-07 2021-06-03 4 Welch John R. CLH Common Stock A - Award D 1,513 15,673
2020-06-05 2020-06-03 4 Welch John R. CLH Common Stock A - Award D 2,168 14,160
2019-06-07 2019-06-05 4 Welch John R. CLH Common Stock A - Award D 2,095 18,550
2018-06-07 2018-06-06 4 Welch John R. CLH Common Stock A - Award D 2,236 16,455
2017-06-08 2017-06-07 4 Welch John R. CLH Common Stock A - Award D 2,057 14,219
2016-06-10 2016-06-08 4 Welch John R. CLH Common Stock A - Award D 2,210 12,162
2015-06-12 2015-06-10 4 Welch John R. CLH Common Stock A - Award D 1,786 9,952
2014-06-19 2014-06-18 4 Welch John R. CLH Common Stock A - Award D 1,608 8,166
2014-06-19 3 Welch John R. CLH Common Stock D 13,116
2014-06-19 3 Welch John R. CLH Common Stock D 13,116
P
공개 시장에서 또는 사적으로 비파생증권 또는 파생증권 매입
S
공개 시장에서 또는 사적으로 비파생증권 또는 파생증권 매각
A
자사로부터 유가증권(옵션 등)을 보조, 지급 또는 기타 취득
C
파생상품 전환
D
자사에게 유가증권을 매각 또는 양도
F
기업으로부터 인도 받은 유가증권의 일부를 사용한 행사 가격 또는 조세 채무의 지급
G
내부자에 의한 또는 내부자에게 증권 증여
K
지분스왑 및 유사 위험 회피거래
M
자사로부터 인도 받은 파생증권(옵션 등)의 행사 또는 전환
V
보고서 양식 4에 자진 신고된 거래
J
기타 (거래 내용을 설명하는 각주와 동반)