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SEC Form 4 research

CLEAN HARBORS INC insider transactions

Inspect CLEAN HARBORS INC's public SEC insider acquisitions and sales, reporting owners and source receipts.

As of 2026-10-15T08:02:39.132Z

Issuer CIK
0000822818
Reporting owners
69
Officers and directors
44
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What is a Form 4?

Animation: what a Form 4 is, shown with one real example. Sonic Automotive (SAH) reporting owner Paul P. Rusnak bought 13,701 shares at $59.78 on Wednesday, October 7, 2026, transaction code P, an open-market purchase (S is a sale and A is an award from the company). A timeline marks the SEC's two-business-day filing deadline, which ends Friday, October 9. The SEC accepted the Form 4 at 4:33:21 PM ET on October 9, and NexusTrade treats it as public one minute later, at 4:34:21 PM ET. A lamp for NexusTrade's InsiderTrades indicator stays off from the trade date until that moment, then counts one purchase worth 13,701 × $59.78 = $819,045.78.
In this example the shares were bought on Oct 7, 2026, and NexusTrade's InsiderTrades indicator can count the purchase starting at 4:34:21 PM ET on Oct 9, one minute after the SEC accepted the Form 4.

A Form 4 is the SEC filing a company insider, such as an officer, director or 10% owner, uses to report a trade in the company's stock, generally within two business days. The animation follows one real filing as an example: Paul P. Rusnak's purchase of Sonic Automotive (SAH) shares on October 7, 2026.

The same reading applies to every row on this page. The trade date is when the shares changed hands. The available date is when NexusTrade treats the filing as public, and a NexusTrade InsiderTrades indicator counts a purchase (code P) or sale (code S) only from that moment. Code A awards are not counted as purchases.

Read one actual disclosure before using it

Show the table · 1 row, 7 columns

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2026-08-192026-08-14GERSTENBERG ERIC WS2,500$321.34Not reported

First displayed source row from Recent insider disclosures. The full bounded history and coverage notes remain below.

The displayed observation date is 2026-08-14 and its public availability date is 2026-08-19. Subtracting those calendar dates gives 5 days of disclosure lag. Historical public research can use the record from the availability date, rather than backdating knowledge to the observation date. The calendar-day difference does not assert an intraday publication time.

This row is code S: a sale. A purchase-following rule excludes this sale even if the reported dollar amount is large.

Open the linked original receipts to verify the row, then inspect a second record before drawing a pattern. This public filing observation supplies source evidence, not a completed copy-trading return.

Recent insider disclosures

This table includes purchases, sales and awards in the public filing record. Awards and open-market purchases are distinct transaction codes. For historical research, use the public availability date to determine when the transaction was knowable.

Read code P as a purchase, S as a sale and A as an award. An award is an acquisition, but it is not an open-market purchase. Open the filing receipt to check the transaction details.

Show the table · 5 rows, 7 columns

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2026-08-192026-08-14GERSTENBERG ERIC WS2,500$321.34Not reported
2026-08-152026-02-20Dugas Eric J.S2,788$281.31Not reported
2026-08-152026-03-18GERSTENBERG ERIC WS1,000$293Not reported
2026-08-152026-02-23GERSTENBERG ERIC WS2,500$279.86Not reported
2026-08-042026-08-03Robertson AndreaS789$314.01Not reported

Most recent 90-day source activity, up to 50 rows. No rows means no matching recent records, not no historical activity.

Officers and directors in the directory

Inspect all 47 displayed rows: Officers and directors in the directory

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SHIELDS THOMAS J000121090810
Quirk Alison A.000148549911
CURTIS GEORGE L00012165818
PRESTON JOHN T00009387319
Welch John R.00016113034
Robertson Andrea000129524825
TWOHIG MICHAEL J000122047416
GERSTENBERG ERIC W000121155831
BARR JOHN000122626120
Battles Michael Louis000137935720
MCKIM ALAN S000102454782
Weber Brian P000132271026
BANUCCI EUGENE G00011368839
BEALS JOHN R00012444441
Bouldin Mark G.00016681835
CORRELL JERRY ELMER00012276536
Cowan Grace00015105294
DEVILLARS JOHN P00012123984
Dugas Eric J.000166330717
Eckelbarger David00015682461
Evens Deirdre00014012376
Fusco Steven00015682401
Gabriel Sharon M.00017565686
GEARY WILLIAM J00010323615
Harrison Robert W.00019549161
KASLOW JOHN F00011991475
Knapp Curt00015682711
Knapp Jeffrey Herbert00017318285
Kraus Eric A00014005674
Lefebvre Marvin G000147066930
Lindgren Eric R.00016073161
Marlin Rod000146972128
MCCARTHY DANIEL JAMES00012115684
McDonald Michael R00014501221
McDuffie Melkeya00019163423
MOYNIHAN STEPHEN000120522439
OCONNOR WILLIAM F00012865107
PARRY DAVID M000121269212
Polito Karyn00019654571
Pucillo Anthony00012950652
Reed Marcy L.00018839321
Retallick Phillip G000135595913
RUTLEDGE JAMES M00012052214
Seeger Thomas00015360271
Speights Robert000175620012
States Lauren000167002217
Vergo David J.00016857932

Which transactions qualify for the company tracker

The company strategy uses verified officers and directors with qualifying acquisitions at this issuer. Other reporting owners may appear in source records without becoming strategy signals.

Strategy eligibility is held while filing coverage is unresolved.

Historical follower simulations are separate from these source transactions. They do not establish live trading results.