John Kimball Whiting IV

Executive

Insider activity · 24 months1 buy0 salesCumulative net flow

Nov 24 · 0 buys · 0 salesDec 24 · 0 buys · 0 salesJan 25 · 0 buys · 0 salesFeb 25 · 0 buys · 0 salesMar 25 · 0 buys · 0 salesApr 25 · 0 buys · 0 salesMay 25 · 0 buys · 0 salesJun 25 · 0 buys · 0 salesJul 25 · 0 buys · 0 salesAug 25 · 0 buys · 0 salesSept 25 · 0 buys · 0 salesOct 25 · 0 buys · 0 salesNov 25 · 0 buys · 0 salesDec 25 · 0 buys · 0 salesJan 26 · 0 buys · 0 salesFeb 26 · 0 buys · 0 salesMar 26 · 1 buy · 0 salesApr 26 · 0 buys · 0 salesMay 26 · 0 buys · 0 salesJun 26 · 0 buys · 0 salesJul 26 · 0 buys · 0 salesAug 26 · 0 buys · 0 salesSept 26 · 0 buys · 0 salesOct 26 · 0 buys · 0 sales

Total declarations

Company

▲ Purchases (1 ops.)

€21k

▼ Sales (0 ops.)

—

Latest filing published 08 Sept 2026 for TECOGEN INC.. Read the official filing

Filing timeline

BuySale

John Kimball Whiting IV

Insider track record

Disclosed buys

Disclosed sells

Signal history

No signal scores available.

Closed purchases

Market purchases

Not enough history yet: 1 closed purchase, at least 2 are needed.

Purchases by company

TECOGEN INC. 1 purchase · last 23 Mar 2026

Since each purchase

Tecogen Inc.
Filed 23 Mar 2026 · 209 days ago · €21k
+120.0%
Entry US$2.75 · Close at T+90 US$6.05

Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.

John Kimball Whiting IV: trading record in brief

John Kimball Whiting IV appears in our data through filings on Tecogen Inc. shares, published by SEC (Form 4). Over a trading history stretching from 24 July 2025 to 26 June 2026, the count stands at 3 filings.

On the market, this insider has only ever bought: 1 purchase, €21k in total. Unlike grants, an open-market purchase is paid for by the insider, at the market price. Outside the open market, there are 2 share grants. 2026 to date brings 1 purchase and no sales.

The record was last updated on 8 September 2026 with a share grant in Tecogen Inc. The latest purchase dates back some time: it was published 209 days ago, on 23 March 2026. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.