Form 4 for PB PROSPERITY BANCSHARES INC

Accepted 2026-07-01 10:33:05 ET · period of report 2026-07-01 · accession 0001193125-26-291812 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
	2026-07-01 10:33	2026-07-01	PB	LUEDKE WILLIAM T. IV	Dir	A - Grant	—	+5,340	29.9K	+22%	—

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2026-07-01	A	A	5,340	—	29,949	D	—	—	(F1) Acquired in connection with the consummation of the transactions contemplated by the Agreement and Plan of Merger, dated as of January 27, 2026, by and between Prosperity Bancshares, Inc., a Texas corporation ("Prosperity") and Stellar Bancorp, Inc., a Texas corporation ("Stellar"). On July 1, 2026 (the "Effective Time"), upon and subject to the terms and conditions set forth in the merger agreement, (i) each share of Stellar's common stock, par value $0.01 per share, outstanding immediately prior to the Effective Time was cancelled and converted into the right to receive (a) 0.3803 shares of common stock, par value $1.00 per share, of Prosperity and (b) an amount in cash equal to $11.36 ((a) and (b) together, the "Per Share Merger Consideration"), and (ii) each outstanding Stellar restricted stock award subject solely to service-based vesting, repurchase or other lapse restriction vested and was converted into the right to receive (without interest) the Per Share Merger Consideration. (F1) Acquired in connection with the consummation of the transactions contemplated by the Agreement and Plan of Merger, dated as of January 27, 2026, by and between Prosperity Bancshares, Inc., a Texas corporation ("Prosperity") and Stellar Bancorp, Inc., a Texas corporation ("Stellar"). On July 1, 2026 (the "Effective Time"), upon and subject to the terms and conditions set forth in the merger agreement, (i) each share of Stellar's common stock, par value $0.01 per share, outstanding immediately prior to the Effective Time was cancelled and converted into the right to receive (a) 0.3803 shares of common stock, par value $1.00 per share, of Prosperity and (b) an amount in cash equal to $11.36 ((a) and (b) together, the "Per Share Merger Consideration"), and (ii) each outstanding Stellar restricted stock award subject solely to service-based vesting, repurchase or other lapse restriction vested and was converted into the right to receive (without interest) the Per Share Merger Consideration.