Representative · MA05
Katherine Clark has 359 disclosed stock trades on file under the STOCK Act, most recently on 2026-06-16. This page shows the recent filings as they were disclosed, no invented figures, no estimated holdings, just the public record. That ranks Katherine Clark 24 of the 163 members with a dedicated page here, roughly the middle of the trading activity we track in depth.
Disclosed Trades
359
Most Recent Filing
2026-06-16
Most-Traded Tickers
COP · OXY · OKE · PKG · SE
The complete suite of political and insider trade trackers.
Every STOCK Act disclosure across all 535 members of Congress.
Paul & Nancy Pelosi STOCK Act disclosures, calls, puts, and purchases.
OGE equity disclosures: Trump trust, LLCs, and personal accounts.
AI-flagged trades where the timing is hard to explain, across every member.
Yes, on the record. Under the STOCK Act, members of Congress must publicly disclose stock and options trades within 45 days. Katherine Clark has 359 disclosed trades on file, the most recent dated 2026-06-16. This page shows the recent filings exactly as disclosed.
That ranks Katherine Clark 24 of the 163 members with a dedicated page here, roughly the middle of the trading activity we track in depth.
Based on disclosed filings, the most frequently traded tickers are COP, OXY, OKE, PKG, SE. This reflects trade count, not position size or current holdings.
Congress Insider Watch covers all 535 members of the House and Senate, with AI suspicion scoring on every trade, updated daily.
Independent research tracker, not affiliated with Katherine Clark, their office, or the US Congress. Data from public STOCK Act disclosure filings. Educational purposes only.
Daily email with only the most important news item, what it means for you, all in 3 sentences + the related YouTube video.