PROSPERITY BANCSHARES INC (PB) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-07-15

PROSPERITY BANCSHARES INC (PB) has filed 28 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-15. 4 Form 8-K material event filings were reported by PB in the last 90 days. 2 Form 144 notices of proposed sale were filed for PB stock. InsiderAlpha tracks every PB SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About PROSPERITY BANCSHARES INC (PB)

SIC classificationState Commercial Banks (SIC 6022)
SEC CIK0001068851

90-Day SEC Filing Activity

Form 4 filings (90d)28
Form 8-K filings (90d)4
Form 144 notices (90d)2
Latest Form 4 filing2026-07-15

Recent PB Insider Transactions (Form 4)

DateInsiderRoleTransactionSharesPriceValueFiling
HOLMES NED SInsiderS — Open-market sale [10b5-1]95$73.11$7KSEC
HOLMES NED SInsiderS — Open-market sale [10b5-1]5$72.14$361SEC
HOLMES NED SInsiderS — Open-market sale [10b5-1]500$73.02$37KSEC
HOLMES NED SInsiderS — Open-market sale [10b5-1]500$73.09$37KSEC
HOLMES NED SInsiderS — Open-market sale499$70.60$35KSEC
HOLMES NED SInsiderS — Open-market sale95$70.55$7KSEC
HOLMES NED SInsiderS — Open-market sale1$71.74$72SEC
HOLMES NED SInsiderS — Open-market sale499$70.55$35KSEC
HOLMES NED SInsiderS — Open-market sale1$71.74$72SEC
HOLMES NED SInsiderS — Open-market sale5$71.76$359SEC
Franklin Robert R JrVice ChairmanA — Grant or award25.0K$0.00—SEC
Swinbank Joe BInsiderA — Grant or award64.9K——SEC
Franklin Robert R JrVice ChairmanA — Grant or award132.4K——SEC
Swinbank Joe BInsiderA — Grant or award38.6K——SEC
Swinbank Joe BInsiderA — Grant or award23.2K——SEC

All transactions sourced from SEC EDGAR Form 4 filings for PROSPERITY BANCSHARES INC (PB). Updated in real time as new filings are submitted to the SEC.

Most-Active PB Insiders — Last 90 Days

InsiderForm 4 filingsTotal transaction value
HOLMES NED S56$930K
Swinbank Joe B3—
Franklin Robert R Jr2—
LUEDKE WILLIAM T. IV2—
STEELHAMMER ROBERT H2$104K

Recent PB Form 8-K Material Events

Recent PB Form 144 Notices of Proposed Sale

Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.

Recent Insider Filings

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in PB insider filings:

POpen-market purchase by the insider
SOpen-market sale by the insider
AGrant, award, or other acquisition from the issuer
MExercise or conversion of derivative security (e.g. options)
FPayment of exercise price or tax liability via share withholding
GBona-fide gift of securities
DDisposition to the issuer (e.g. share buyback participation)
JOther acquisition or disposition
XExercise of in-the-money or at-the-money derivative security
CConversion of derivative security
VTransaction voluntarily reported earlier than required

PB Insider Trading — FAQ

What is the latest insider trade for PB?
PROSPERITY BANCSHARES INC (PB) had 28 insider filings in the last 90 days, with the most recent on 2026-07-15. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying PB stock?
0 insider purchases of PB were filed in the last 90 days.
How many insiders are selling PB stock?
0 insider sales of PB were filed in the last 90 days.
Where can I see PB SEC filings (Form 4, 10-K, 10-Q, 8-K)?
InsiderAlpha aggregates every PB SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

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