2 U.S. lawmakers have disclosed 16 iShares MBS ETF trades under the STOCK Act — 11 buys and 5 sells between 2018 and 2026. Congress has been net buyers of MBB, and their disclosed buys are down 0.5% versus the latest close.
*Notional-weighted price return on lawmakers' disclosed buys of MBB, marked to the latest close — per-share (share counts aren't disclosed).
1 member disclosed a MBB purchase in the last 90 days (newest first).
| Date | Member | Type | Amount | Est. price | Latest close | Return |
|---|---|---|---|---|---|---|
| 2026-05-27 | John Boozman | BUY | $1K–$15K | $94.38 | $93.49 2026-08-13 | -0.9% |
| 2026-05-13 | John Boozman | SELL | $1K–$15K | $94.35 | $93.49 2026-08-13 | +0.7% rt |
| 2026-05-13 | John Boozman | SELL | $1K–$15K | $94.35 | $93.49 2026-08-13 | -1.2% rt |
| 2026-02-06 | John Boozman | SELL | $1K–$15K | $95.53 | $93.49 2026-08-13 | -0.4% rt |
| 2026-01-23 | John Boozman | BUY | $1K–$15K | $95.55 | $93.49 2026-08-13 | -2.2% |
| 2025-11-21 | John Boozman | BUY | $1K–$15K | $95.49 | $93.49 2026-08-13 | -2.1% |
| 2025-09-16 | John Boozman | SELL | $1K–$15K | $95.69 | $93.49 2026-08-13 | +7.6% rt |
| 2025-08-01 | John Boozman | BUY | $1K–$15K | $93.72 | $93.49 2026-08-13 | -0.3% |
| 2024-09-06 | John Boozman | BUY | $1K–$15K | $95.91 | $93.49 2026-08-13 | -2.5% |
| 2023-11-07 | John Boozman | BUY | $1K–$15K | $88.93 | $93.49 2026-08-13 | +5.1% |
| 2023-06-23 | JOHN BOOZMAN | BUY | $1K–$15K | $93.64 | $93.49 2026-08-13 | -0.2% |
| 2023-06-13 | JOHN BOOZMAN | BUY | $15K–$50K | $93.13 | $93.49 2026-08-13 | +0.4% |
| 2021-07-22 | Charles J. "Chuck" Fleischmann | BUY | $1K–$15K | $108.53 | $93.49 2026-08-13 | -13.9% |
| 2021-02-01 | Charles J. "Chuck" Fleischmann | BUY | $1K–$15K | $110.13 | $93.49 2026-08-13 | -15.1% |
| 2021-01-21 | Charles J. "Chuck" Fleischmann | BUY | $1K–$15K | $110.19 | $93.49 2026-08-13 | -15.2% |
| 2018-12-21 | JOHN BOOZMAN | SELL | $1K–$15K | $104.08 | $93.49 2026-08-13 | +10.2% exit |
Return: buys marked to the latest close (open); sells tagged rt are realized round-trips vs a prior disclosed buy; exit = timing (stock move after the sale, seller's perspective).
2 members of the U.S. House and Senate have disclosed iShares MBS ETF transactions under the STOCK Act — 11 purchases and 5 sales. The full member-by-member breakdown, with dates and dollar ranges, is in the table above.
1 member disclosed a MBB purchase in the last 90 days — most recently John Boozman on 2026-05-27. See the "Lawmakers who bought MBB recently" section above for the dated list.
Notional-weighted, lawmakers' disclosed MBB buys are down 0.5% versus the latest close of $93.49. Each trade's own return — and realized round-trips on matched sells — is in the Return column.
Yes. Under the 2012 STOCK Act, members of Congress may buy and sell individual stocks but must publicly disclose each transaction within 45 days. Bargo surfaces those filings so you can see who traded MBB and how it performed.