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Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (4 ops.)
Latest filing published 22 May 2026 for Clean Harbors INC. Read the official filing
Filing timeline
BuySaleJohn R. Welch
Insider track record
Disclosed buys
0
Disclosed sells
4
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
John R. Welch: trading record in brief
All filings by John R. Welch on record concern Clean Harbors Inc, in the capacity of board member. In total, 13 filings cover trades dated from 3 June 2021 to 20 May 2026.
No open-market purchase appears, only 4 sales worth €1.0M. Outside the open market, there are 7 share grants. 2026 to date brings no purchases and 1 sale.
The latest filing, published on 22 May 2026, reports a share grant in Clean Harbors Inc. Filings reach the SEC (Form 4) feed a median of 2 days after the trade. Section 16 rules allow two business days to file each Form 4. Keep in mind that insiders sell for many reasons unrelated to the outlook, from tax bills to estate planning. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.
Companies and markets linked to John R. Welch
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations13 total
652 shares0Common StockSEC:0001611303-26-000003:0
750 shares@ US$273.0755.4% of flowCommon StockSEC:0001611303-26-000002:0
415 shares0Common StockSEC:0001611303-25-000004:0
1,250 shares@ US$228.5135.6% of flowCommon StockSEC:0001415889-25-014778:0
789 shares0Common StockSEC:0001415889-25-014383:0
836 shares0Common StockSEC:0001415889-24-014188:0
1,400 shares0Common StockSEC:0001415889-24-005367:0
1,000 shares@ US$150.43100.0% of flowCommon StockSEC:0001415889-23-009164:0
1,148 shares0Common StockSEC:0001415889-23-008771:0
1,849 shares0Common StockSEC:0001179110-22-003155:0
257 shares0Common StockSEC:0001179110-22-000213:0
5,500 shares@ US$99.0564.4% of flowCommon StockSEC:0001179110-21-008014:0
1,513 shares0Common StockSEC:0001179110-21-006461:0
13 of 13 declarations
