InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (4 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
4
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Explore the complete record of transactions filed by Welch John R., Director. Insider active across 2 companies, notably CLEAN HARBORS INC. Cumulatively, 13 reports have been published. Split: 0 buy · 4 sells. Total volume traded: €1m. History available since 3 June 2021. The latest transaction was disclosed on 20 May 2026 (Attribution). Regulator: SEC (Form 4). The full history is free.
Companies and markets linked to Welch John R.
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
About Welch John R.
Welch John R. is Administrateur at Clean Harbors INC and CLEAN HARBORS INC. He has 13 filings in total, and across the sampled recent filings from 2021-06-07 to 2026-05-22, the reported total is EUR 0 in buys and EUR 1028070 in sells, with Attribution as the modal transaction nature.
