Senior insider sale
PROSPERITY BANCSHARES INC — senior position signals high conviction
$1.58M
22K shares
What this filing means
MUELLER PERRY JR plans to sell 22K shares of PROSPERITY BANCSHARES INC valued at approximately $1.58M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 3/19/2026ACC: 0001974078-26-000126
Director
Since Feb 2026
22K
Shares to sell
$1.58M
Approx. market value
2K
Acquired (3 months)
1
Planned
4 completed
Securities Acquired — Last 3 Months4
Purchase
N/A
7/15/2022
800.00Purchase
N/A
3/11/2002
450.00Purchase
N/A
3/11/2002
100.00Purchase
N/A
3/1/1999
650.00Total acquired2K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
7/15/2022 | Purchase N/A | 800.00 | — |
3/11/2002 | Purchase N/A | 450.00 | — |
3/11/2002 | Purchase N/A | 100.00 | — |
3/1/1999 | Purchase N/A | 650.00 | — |
| Total | 2K | ||
Planned & Completed Dispositions5
Completed
—Completed
Units to sell
2.94K
Market value
$213.1K
2/17/2026
—Completed
Units to sell
8.34K
Market value
$605.0K
2/17/2026
—Completed
Units to sell
6.45K
Market value
$467.6K
2/13/2026
—Completed
Units to sell
2.27K
Market value
$164.5K
2/13/2026
Planned — Approximate Date
NYSEPlanned
Units to sell
2K
Market value
$127.0K
2/13/2026
Total
Units
22K
Value
$1.58M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
2/17/2026 | 2.94K | $213.1K | — | Completed |
2/17/2026 | 8.34K | $605.0K | — | Completed |
2/13/2026 | 6.45K | $467.6K | — | Completed |
2/13/2026 | 2.27K | $164.5K | — | Completed |
| Planned — Approximate Date | ||||
2/13/2026 | 2K | $127.0K | NYSE | Planned |
| Total | 22K | $1.58M | ||