AFB insider buying
1 cluster buyALLIANCEBERNSTEIN NATIONAL MUNICIPAL INCOME FUND · Financials
When two or more insiders at ALLIANCEBERNSTEIN NATIONAL MUNICIPAL INCOME FUND buy AFB on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in AFB plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.
Detected clusters
- May 15 – May 23, 2024Detected May 23, 20242 insidersTotal bought$2.0MMarket cap$330.6M
All notable open-market buys in AFB
Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Oct 31, 2025 | Director | 9,000 | $11.08 | $99.7K | SEC ↗ |
| Oct 31, 2025 | Director | 4,500 | $11.06 | $49.8K | SEC ↗ |
| Jun 24, 2024 | 10% Owner | 34,874 | $11.05 | $385.4K | SEC ↗ |
| Jun 7, 2024 | 10% Owner | 6,099 | $10.82 | $66.0K | SEC ↗ |
| Jun 7, 2024 | 10% Owner | 1,600 | $10.87 | $17.4K | SEC ↗ |
| May 29, 2024 | 10% Owner | 7,151 | $10.75 | $76.9K | SEC ↗ |
| May 23, 2024 | 10% Owner | 14,379 | $10.84 | $155.9K | SEC ↗ |
| May 21, 2024 | 10% Owner | 46,903 | $10.90 | $511.2K | SEC ↗ |
| May 20, 2024 | Weinstein Boazcluster 10% Owner | 67,460 | $10.90 | $735.3K | SEC ↗ |
| May 16, 2024 | 10% Owner | 43,712 | $10.91 | $476.9K | SEC ↗ |
| May 15, 2024 | 10% Owner | 11,181 | $10.92 | $122.1K | SEC ↗ |
| Sep 9, 2019 | 10% Owner | 200 | $13.81 | $2.8K | SEC ↗ |
| Sep 9, 2019 | 10% Owner | 105 | $13.81 | $1.5K | SEC ↗ |
| Sep 9, 2019 | 10% Owner | 100 | $13.81 | $1.4K | SEC ↗ |
| Sep 9, 2019 | 10% Owner | 14 | $13.81 | $193.3 | SEC ↗ |
| Sep 9, 2019 | 10% Owner | 7 | $13.81 | $96.7 | SEC ↗ |
| Sep 9, 2019 | 10% Owner | 6 | $13.81 | $82.9 | SEC ↗ |
| Feb 9, 2018 | 10% Owner | 6 | $12.67 | $76.0 | SEC ↗ |
| Oct 11, 2017 | 10% Owner | 800 | $13.79 | $11.0K | SEC ↗ |
| Oct 11, 2017 | 10% Owner | 200 | $13.79 | $2.8K | SEC ↗ |
| Jun 24, 2014 | 10% Owner | 3,300 | $13.56 | $44.7K | SEC ↗ |
| Feb 14, 2013 | 10% Owner | 2,525 | $15.46 | $39.0K | SEC ↗ |
More Financials stocks with insider cluster buys
AFB insider buying — FAQ
- Are insiders buying AFB stock?
- Yes — 7 distinct insiders have bought AFB (ALLIANCEBERNSTEIN NATIONAL MUNICIPAL INCOME FUND) on the open market, including 1 cluster buy where two or more insiders bought within a rolling window. The most recent qualifying activity was Oct 31, 2025.
- How much AFB stock have insiders bought?
- Insiders have bought a combined $2.8M of AFB across 22 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in AFB?
- A cluster buy is two or more distinct ALLIANCEBERNSTEIN NATIONAL MUNICIPAL INCOME FUND insiders — officers, directors, or 10% owners — each buying AFB on the open market within a rolling window. AFB has 1 detected cluster buy to date.
- Where does this AFB insider trading data come from?
- Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.
How we track insider buying in AFB
We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy AFB within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?
This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding AFB.