MUC · Insider Trading
BLACKROCK MUNIHOLDINGS CALIFORNIA QUALITY FUND, INC
Every open-market purchase and sale reported by MUC officers, directors and 10%+ beneficial owners on SEC Form 4, which must be filed within two business days of the transaction. Sales often reflect scheduled 10b5-1 plans or tax withholding rather than a directional view, so read counts alongside the size and the filer.
| Filed | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-11 | Stayce D. Harris | Director | J | +11 | — |
| 2024-10-30 | Stayce D. Harris | Director | Buy | +10 | +$111 |
| 2024-10-01 | Wells Fargo Municipal Capital Strategies, LLC | 10%+ Owner | J | −10,528 | — |
| 2024-05-07 | Wells Fargo Municipal Capital Strategies, LLC | 10%+ Owner | J | — | — |
| 2022-04-13 | WELLS FARGO BANK N A | 10%+ Owner | J | +5,448 | — |
| 2012-04-18 | BANK OF AMERICA NA | 10%+ Owner | J | −3,825 | — |
| 2012-04-16 | Blue Ridge Investments, L.L.C. | 10%+ Owner | J | −6,111 | — |
| 2011-04-27 | Richard Cavanagh | Director | Buy | +100 | +$1.26K |
| Insider | Role | Shares Held | Value |
|---|---|---|---|
| Stayce D. Harris | Director | 21 | $213 |
Form 4 reports a change in beneficial ownership by an officer, director or 10%+ holder, and must be filed within two business days of the transaction — so this is close to real time, unlike the 45-day-lagged 13F institutional data.
Transaction codes matter more than the raw buy/sell count. Code P is an open-market purchase — an insider choosing to buy with their own money, which is the signal most research treats as informative. Code S is a sale, but sales are frequently pre-scheduled under a 10b5-1 plan or cover tax withholding on vesting equity, so a run of sales often says nothing directional. Codes A and M are grants and option exercises rather than open-market decisions.
Full filing history and per-insider positions are on the MUC quote page; the site-wide leaderboard is on the insider transactions hub.
Market data may be delayed, incomplete, or inaccurate. Not a recommendation to buy, sell, or hold any security. Verify quotes with your broker before trading. See Terms §17.