John B. Larson
John B. Larson is a Democrat member of the U.S. House of Representatives from CT. Across the disclosures we track, John B. Larson has reported 23 stock trades — 0 purchases and 23 sales — worth an estimated $208,500 at the midpoints of the disclosed ranges, leaning heavily toward selling. The most frequently traded position is APH (Amphenol Corporation), appearing in 1 disclosure. The most recent disclosed transaction was on Dec 18, 2019. Under the STOCK Act, members must report trades within 45 days — each row below links to the original House filing.
John B. Larson's trading activity
John B. Larson's disclosed trades
| Disclosed | Traded | Ticker | Type | Amount | Since disclosed | Owner | |
|---|---|---|---|---|---|---|---|
| Jan 3, 2020 | Dec 18, 2019 | APH | Sale | $1,001 - $15,000 | — | Self | filing ↗ |
| Jan 3, 2020 | Dec 18, 2019 | STZ | Sale | $1,001 - $15,000 | — | Self | filing ↗ |
| Jan 3, 2020 | Dec 18, 2019 | FTV | Sale | $1,001 - $15,000 | — | Self | filing ↗ |
| Jan 3, 2020 | Dec 18, 2019 | ILMN | Sale | $1,001 - $15,000 | — | Self | filing ↗ |
| Jan 3, 2020 | Dec 18, 2019 | JPM | Sale | $1,001 - $15,000 | — | Self | filing ↗ |
| Jan 3, 2020 | Dec 18, 2019 | MA | Sale | $1,001 - $15,000 | — | Self | filing ↗ |
| Jan 3, 2020 | Dec 18, 2019 | ROLL | Sale | $1,001 - $15,000 | — | Self | filing ↗ |
| Jan 3, 2020 | Dec 18, 2019 | TMO | Sale | $1,001 - $15,000 | — | Self | filing ↗ |
| Jan 3, 2020 | Dec 18, 2019 | ZTS | Sale | $15,001 - $50,000 | — | Self | filing ↗ |
| Jan 3, 2020 | Dec 18, 2019 | ADBE | Sale | $1,001 - $15,000 | — | Self | filing ↗ |
| Jan 3, 2020 | Dec 18, 2019 | AAPL | Sale | $1,001 - $15,000 | — | Self | filing ↗ |
| Jan 3, 2020 | Dec 18, 2019 | COST | Sale | $1,001 - $15,000 | — | Self | filing ↗ |
| Jan 3, 2020 | Dec 18, 2019 | ENB | Sale | $1,001 - $15,000 | — | Self | filing ↗ |
| Jan 3, 2020 | Dec 18, 2019 | HD | Sale | $1,001 - $15,000 | — | Self | filing ↗ |
| Jan 3, 2020 | Dec 18, 2019 | KMI | Sale | $1,001 - $15,000 | — | Self | filing ↗ |
| Jan 3, 2020 | Dec 18, 2019 | MCD | Sale | $1,001 - $15,000 | — | Self | filing ↗ |
| Jan 3, 2020 | Dec 18, 2019 | MSFT | Sale | $1,001 - $15,000 | — | Self | filing ↗ |
| Jan 3, 2020 | Dec 18, 2019 | NSRGY | Sale | $1,001 - $15,000 | — | Self | filing ↗ |
| Jan 3, 2020 | Dec 18, 2019 | PBCT | Sale | $1,001 - $15,000 | — | Self | filing ↗ |
| Jan 3, 2020 | Dec 18, 2019 | SSNC | Sale | $1,001 - $15,000 | — | Self | filing ↗ |
| Jan 3, 2020 | Dec 18, 2019 | TRP | Sale | $1,001 - $15,000 | — | Self | filing ↗ |
| Jan 3, 2020 | Dec 18, 2019 | UTX | Sale | $1,001 - $15,000 | — | Self | filing ↗ |
| Jan 3, 2020 | Dec 18, 2019 | WY | Sale | $1,001 - $15,000 | — | Self | filing ↗ |
Most-traded stocks
John B. Larson's stock trading: frequently asked questions
What stocks does John B. Larson trade the most?
John B. Larson's most frequently disclosed positions are APH (Amphenol Corporation, 1 trade), STZ (Constellation Brands, Inc., 1 trade), FTV (Fortive Corporation, 1 trade), based on official House financial disclosures.
How many stock trades has John B. Larson disclosed?
John B. Larson has disclosed 23 stock trades since 2019 — 0 purchases and 23 sales worth an estimated $208,500 at the midpoints of the disclosed ranges.
When did John B. Larson last trade stocks?
The most recent transaction John B. Larson disclosed was on Dec 18, 2019. Members of Congress must report trades within 45 days under the STOCK Act, so new filings can lag the trade itself.
Is it legal for John B. Larson to trade stocks?
Yes — members of Congress may trade stocks, but the 2012 STOCK Act requires them to publicly disclose every trade over $1,000 within 45 days. This page tracks John B. Larson's disclosures and links to the original filings.
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Source: John B. Larson's official US House Periodic Transaction Report filings. Amounts are disclosed as ranges; estimates use range midpoints. Data may be delayed or contain filer errors. Updated Aug 13, 2026. Not investment advice.