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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 T. Preston
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 T. Preston: trading record in brief
John T. Preston, listed as board member, appears in our data through filings on Clean Harbors Inc shares, published by SEC (Form 4). Over a trading history stretching from 3 June 2021 to 20 May 2026, the count stands at 11 filings.
On the market, this insider has only sold: 4 sales, €1.4M in total. The rest of the record consists of 7 share grants.
On 22 May 2026 came the latest disclosure, a share grant in Clean Harbors Inc. Typically, a trade is published a median of 1 day after it takes place. The legal deadline for a Form 4 is two business days after the transaction. A sale on its own says little: insiders also sell to pay tax, fund a purchase or diversify. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.
Companies and markets linked to John T. Preston
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations11 total
652 shares0Common StockSEC:0000938731-26-000001:0
789 shares0Common StockSEC:0001415889-25-014375:0
836 shares0Common StockSEC:0001415889-24-014194:0
1,913 shares@ US$188.3623.9% of flowCommon StockSEC:0001415889-24-008080:0
2,095 shares@ US$173.6824.3% of flowCommon StockSEC:0001415889-23-012345:0
1,148 shares0Common StockSEC:0001415889-23-008767:0
3,750 shares@ US$134.9034.5% of flowCommon StockSEC:0001415889-23-003935:0
2,168 shares@ US$111.502917.2% of flowCommon StockSEC:0001415889-22-008397:0
1,849 shares0Common StockSEC:0001179110-22-003160:0
257 shares0Common StockSEC:0001179110-22-000204:0
1,513 shares0Common StockSEC:0001179110-21-006462:0
11 of 11 declarations
