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CONGRESSIONAL TRADING INTELLIGENCE

Massachusetts Stock Trades

Members of Congress representing Massachusetts have disclosed 266 stock trades under the STOCK Act across 5 representatives and senators, with the most activity in the Financial Services sector and STT as the most traded ticker.

266
TOTAL TRADES
5
POLITICIANS
83
VIOLATIONS
Financial Services
Top Sector
🔒
Buy/Sell
83
STOCK Act Violations
May 2026
Last Trade
Massachusetts Representatives
Katherine M. Clark
Katherine M. Clark
D · HOUSE · 194 trades
William R. Keating
William R. Keating
D · HOUSE · 57 trades
Jake Auchincloss
Jake Auchincloss
D · HOUSE · 7 trades
Seth Moulton
Seth Moulton
D · HOUSE · 7 trades
S
Stephen Lynch
D · HOUSE · 1 trades
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Most Traded Stocks
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Recent Trade Activity
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Jake Auchincloss████████May 18, 2026$████
Jake Auchincloss████████May 18, 2026$████
Jake Auchincloss████████Feb 17, 2026$████
Jake Auchincloss████████Nov 17, 2025$████
Katherine M. Clark████████Sep 17, 2025$████

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Frequently Asked Questions

How many congressional trades have been filed by Massachusetts politicians?

Massachusetts members of Congress have disclosed 266 stock trades under the STOCK Act.

Which Massachusetts politicians trade stocks most actively?

Katherine M. Clark, William R. Keating, Jake Auchincloss are among the most active traders from Massachusetts.

What sectors do Massachusetts congress members invest in?

The most common sector for Massachusetts congressional trades is Financial Services.

Have Massachusetts politicians violated the STOCK Act?

83 trades by Massachusetts politicians were filed after the required 45-day disclosure deadline.

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