Representative · MA05
Katherine Clark has 359 disclosed stock trades on file under the STOCK Act, most recently on 2026-06-16. This page shows a sample of the older filings as they were disclosed, no invented figures, no estimated holdings, just the public record. That ranks Katherine Clark 26 of the 158 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
A sample of 25 STOCK Act periodic transaction reports on file for Katherine Clark, shown exactly as filed, including the statutory dollar ranges, from six or more months ago. Katherine Clark's most recent filings and every trade are inside Congress Insider Watch.
| Date | Asset | Type | Disclosed Range |
|---|---|---|---|
| 2025-10-27 | UNITED STATES TREAS SER AU-2026; 4.625%; 11/15/2026 NTS NOTE | Purchase | $250,001 - $500,000 |
| 2025-10-27 | UNITED STATES TREAS SER AU-2026; 4.625%; 11/15/2026 NTS NOTE | Purchase | $100,001 - $250,000 |
| 2025-10-27 | UNITED STATES TREAS SER AU-2026; 4.625%; 11/15/2026 NTS NOTE | Purchase | $100,001 - $250,000 |
| 2025-10-27 | UNITED STATES TREAS SER AU-2026; 4.625%; 11/15/2026 NTS NOTE | Purchase | $250,001 - $500,000 |
| 2025-09-17 | PGProcter & Gamble Company | Sale | $15,001 - $50,000 |
| 2025-09-17 | PGProcter & Gamble Company | Sale | $15,001 - $50,000 |
| 2024-03-01 | NYCBNew York Community Bancorp, Inc. Common Stock | Sale | $1,001 - $15,000 |
| 2024-03-01 | NYCBNew York Community Bancorp, Inc. Common Stock | Sale | $1,001 - $15,000 |
| 2024-02-16 | United States Treasury Notes | Purchase | $100,001 - $250,000 |
| 2024-02-16 | United States Treasury Notes | Purchase | $100,001 - $250,000 |
| 2024-01-31 | Ruane, Cunniff, & Goldfarb Inc. | Sale (Partial) | $100,001 - $250,000 |
| 2024-01-23 | United States Treasury Notes | Purchase | $100,001 - $250,000 |
| 2023-10-24 | United States Treasury Notes | Purchase | $250,001 - $500,000 |
| 2023-10-24 | United States Treasury Notes | Purchase | $250,001 - $500,000 |
| 2023-10-09 | KOCoca-Cola Company | Sale | $15,001 - $50,000 |
| 2023-02-23 | Federal Farm Credit Banks Bond | Purchase | $100,001 - $250,000 |
| 2022-09-15 | NETAPP INC SR NT | Sale | $1,001 - $15,000 |
| 2022-07-07 | KB HOME SR NT 7.500% | Sale | $1,001 - $15,000 |
| 2022-04-08 | WBDWarner Bros. Discovery, Inc. - Series A | Exchange | $1,001 - $15,000 |
| 2022-04-08 | WBDWarner Bros. Discovery, Inc. - Series A | Exchange | $1,001 - $15,000 |
| 2022-04-05 | United States Treasury Notes | Purchase | $100,001 - $250,000 |
| 2022-03-31 | United States Treasury Notes | Purchase | $100,001 - $250,000 |
| 2022-03-23 | United States Treasury Notes | Purchase | $250,001 - $500,000 |
| 2021-09-16 | GOOGLAlphabet Inc. - Class A | Sale | $1,001 - $15,000 |
| 2021-09-16 | AYAtlantica Sustainable Infrastructure plc - Ordinary Shares | Sale | $1,001 - $15,000 |
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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 a sample of the older filings exactly as disclosed; the newest ones are inside Congress Insider Watch.
That ranks Katherine Clark 26 of the 158 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 every member who files a STOCK Act disclosure through the House Clerk's system, 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.
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