MBS Ishares ETF (MBB): Congress and insider trades
Who in Congress and inside the company traded MBB, when each filing appeared, and what buying after each one would have earned against the S&P 500.
Key Facts
- MBS Ishares ETF (MBB) is a listed stock on NASDAQ.
- 2 members of Congress filed 5 buys and 6 sells of MBB, the latest published 2026-06-16 (16 June 2026).
- Across 4 scored buys, Congress averaged -6.7% against the S&P 500 (SPY) over the 90 days after disclosure, with 0% of them ahead of the index. That result is too few trades to draw a conclusion.
- Data as of 2026-09-29 (29 September 2026).
Congress trades in MBB
as of 2026-06-16| Filed | Member | Type | Size | Days to file | 90 day vs S&P |
|---|---|---|---|---|---|
| 16 Jun 2026 | John Boozman (R-AR) | sell | 1K–15K | 34 | n/a |
| 16 Jun 2026 | John Boozman (R-AR) | buy | 1K–15K | 20 | -4.6% |
| 6 Mar 2026 | John Boozman (R-AR) | sell | 1K–15K | 28 | n/a |
| 15 Feb 2026 | John Boozman (R-AR) | buy | 1K–15K | 23 | -10.4% |
| 13 Jul 2023 | John Boozman (R-AR) | buy | 15K–50K | 29 | -2.0% |
| 13 Jul 2023 | John Boozman (R-AR) | buy | 1K–15K | 19 | -2.0% |
| 20 Jul 2022 | John Boozman (R-AR) | sell | 1K–15K | 28 | n/a |
| 18 Aug 2021 | Chuck Fleischmann (R-TN) | sell | 1K–15K | 26 | n/a |
| 11 Jun 2021 | John Boozman (R-AR) | sell | 1K–15K | 38 | n/a |
| 4 Mar 2021 | Chuck Fleischmann (R-TN) | buy | 1K–15K | 41 | -9.8% |
| 11 Feb 2021 | John Boozman (R-AR) | sell | 15K–50K | 19 | n/a |
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Related pages
Frequently asked questions
Who has bought MBB?
5 Congress buys by 2 members and 0 insider buys are on file. The tables on this page list every one.
Did buying MBB after a disclosure beat the market?
Across 4 scored buys, Congress averaged -6.7% against the S&P 500 (SPY) over the 90 days after disclosure, with 0% of them ahead of the index. That result is too few trades to draw a conclusion. A single stock is a small sample.
Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.
Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.