LYTIR

Insider · SEC Form 4 · CO-CEO

Eric W. Gerstenberg

Filed with the SEC as GERSTENBERG ERIC W; the order above is the one the filer's own signature uses.

In the 12 months to Nov 8, 2026, on the open market: sold $1.8M of CLH. Filed a median of 104 business days after the trade.

Open-market purchases and sales this filer reported on SEC Form 4, by the day traded. Insiders have two business days to file. A sale marked 10b5-1 was made under a plan adopted in advance. How to read these

Insider purchases and sales, by month (last 12 months)Insider purchases: $0 in total; Insider sales: $1.8M in total.Feb: Insider sales $700KMar: Insider sales $293KAug: Insider sales $803KDecJanFebMarAprMayJunJulAugSepOctNov
Insider purchases above the line: $0Insider sales below: $1.8M
Dollar value of open-market purchases and sales reported on SEC Form 4, by the month traded. Sales include pre-arranged 10b5-1 plan sales.
  1. CLHSold: CLEAN HARBORS INC Aug 14, 2026 2,500 shares filed Aug 18, 2026 56,793 shares held directly after, as filed filing $803K
  2. CLHSold: CLEAN HARBORS INC Mar 18, 2026 1,000 shares filed Aug 14, 2026 59,857 shares held directly after, as filed filing $293K
  3. CLHSold: CLEAN HARBORS INC Feb 23, 2026 2,500 shares filed Aug 14, 2026 64,000 shares held directly after, as filed filing $700K

Source: SEC Form 4 filings. Value is shares × the price reported on the filing; a filing whose price failed Lytir's check against the market price is left out, and a trade that related owners reported on separate forms is counted once. Filings can be late, amended or wrong at the source; see methodology.

Other Form 4 entries

Not counted above: entries this filer reported on Form 4 in the same 12 months that are not open-market purchases or sales. Each entry is one line of a filing.

  • CLH: shares withheld for tax or exercise price (code F), 2 entries, Mar 13 to Jul 1, 2026
  • CLH: disposed of to the company (code D), 1 entry, Mar 13, 2026
Code D
Shares disposed of to the company itself, such as shares the company took back.
Code F
Shares paid to, or withheld by, the company to cover an exercise price or the tax due on an award.

Source: the same SEC Form 4 filings. The codes are the SEC's own transaction codes; the meanings above are a plain-words reading of the SEC's Form 4 instructions.