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Katherine M. Clark stock trades
Katherine M. Clark (MA05) reported 4 transactions between Oct 27, 2025 and Oct 27, 2025 on 1 Periodic Transaction Reports: 4 purchases and 0 sales. The most traded asset is UNITED STATES TREAS SER AU- 2026; 4.625%; 11/15/2026 NTS NOTE with 3 transactions.
Under the STOCK Act a member reports a trade within 45 days, so the newest trades appear here weeks after they happened. The law asks for an amount range, not an amount: every value here is the official bracket the member ticked.
Recent trades
| Traded | Asset | Ticker | Type | Owner | Amount range | Filed |
|---|
| 2025-10-27 | UNITED STATES TREAS SER AU- 2026; 4.625%; 11/15/2026 NTS NOTE | | Purchase | Self | $250,001 - $500,000 | 2025-11-06 |
| 2025-10-27 | UNITED STATES TREAS SER AU- 2026; 4.625%; 11/15/2026 NTS NOTE | | Purchase | Self | $100,001 - $250,000 | 2025-11-06 |
| 2025-10-27 | UNITED STATES TREAS SER AU- 2026; 4.625%; 11/15/2026 NTS NOTE | | Purchase | Spouse | $100,001 - $250,000 | 2025-11-06 |
| 2025-10-27 | UNITED STATES TREAS SER AU- 2026; 4.625%; 11/15/2026; NTS NOTE | | Purchase | Self | $250,001 - $500,000 | 2025-11-06 |
Most traded
- UNITED STATES TREAS SER AU- 2026; 4.625%; 11/15/2026 NTS NOTE: 3 transactions (3 purchases, 0 sales), last on 2025-10-27
- UNITED STATES TREAS SER AU- 2026; 4.625%; 11/15/2026; NTS NOTE: 1 transactions (1 purchases, 0 sales), last on 2025-10-27
Purchases and sales by month
| Month | Purchases | Sales | Other |
|---|
| 2025-10 | 4 | 0 | 0 |
Amount ranges
The law asks for an amount range, not an amount: every value here is the official bracket the member ticked.
- $100,001 - $250,000: 2 transactions
- $250,001 - $500,000: 2 transactions
Whose account
- Self: 3 transactions
- Spouse: 1 transactions
Full datasets: 2026, 2025, 2024
Use this data programmatically
# Katherine M. Clark trades (JSON, no signup)
curl "https://autario.com/api/v1/public/politicians/katherine-clark-ma/trades?window=1y"
# MCP, for LLMs like Claude or ChatGPT
get_politician_trades("katherine-clark-ma", "1y")
congress_trades("NVDA")
Source: Clerk of the US House of Representatives, Periodic Transaction Reports (STOCK Act). Amounts are official ranges. Party is not part of the filing. Senate trades are not included: the Senate publishes its reports behind an agreement page that automated readers cannot pass. Open this page on autario.com.