Jeffrey Herbert Knapp, EVP - HR (CHESI) at CLEAN HARBORS INC (CLH), bought 500 shares at $32.80 ($16K) on 2020-03-19, disclosed to the SEC on 2020-07-07.
High-signal trade — passes our conviction filters but the AI narrative is still being generated. Check back shortly.
Clearly above the average filing.
| Filing → |