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Total declarations
Company
▲ Purchases (1 ops.)
▼ Sales (0 ops.)
Latest filing published 08 Sept 2026 for TECOGEN INC.. Read the official filing
Filing timeline
BuySaleStephen Lafaille
Insider track record
Disclosed buys
1
Disclosed sells
0
Signal history
No signal scores available.
Closed purchases
Market purchases
1
Not enough history yet: 1 closed purchase, at least 2 are needed.
Purchases by company
Since each purchase
- -24.7%Entry US$6.91 · Close at T+365 US$5.20
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.
Stephen Lafaille: trading record in brief
Stephen Lafaille appears in our data through filings on Tecogen Inc. shares, published by SEC (Form 4). The record holds 4 filings, for trades running from 3 March 2025 to 26 June 2026.
On the market, this insider has only ever bought: 1 purchase, €960 in total. A purchase on the market is a deliberate choice to commit personal money, which is why it draws more attention than a grant. Outside the open market, there are 3 share grants.
The latest filing, published on 8 September 2026, reports a share grant in Tecogen Inc. The last purchase on record was published on 24 June 2025, which is 481 days ago. The median gap between a trade and its publication by SEC (Form 4) is 39 days. The legal deadline for a Form 4 is two business days after the transaction. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.
Companies and markets linked to Stephen Lafaille
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations4 total
29,013 shares0Common StockSEC:0001537435-26-000088:0
29,013 sharesCommon StockSEC:0001537435-26-000050:0
11,976 shares0Common StockSEC:0001537435-25-000122:0
400 shares@ US$2.50100.0% of flowCommon StockSEC:0001537435-25-000064:0
Canonical exit: 1 Jun 2025 (T+90)
4 of 4 declarations
