HECKER MARK E

PrivateCIK: 1355433

Location

POPLAR BLUFF, MO

HECKER MARK E (EVP-CHIEF CREDIT OFFICER) received a stock award from SOUTHERN MISSOURI BANCORP, INC.

Compensation award — not an open‑market transaction. Less informative as a directional signal.

A · 1 award

HECKER MARK E

Filed: 2/26/2026ACC: 0001355433-26-000002

InsiderHECKER MARK ECIK 1355433

→

IssuerSOUTHERN MISSOURI BANCORP, INC.CIK 916907

Officer· EVP-CHIEF CREDIT OFFICER

Since Feb 2026

+2.10K

Net shares

Net buyer

$0.00

Total acquired

0

Open market trades

0B · 0S

2

Total transactions

2.10K acquired

Non-Derivative Transactions1

Common Stock

Direct

A · Award

Shares

+600.00

Price / share

—

Trade value

—

% of position

9.9%

2/24/2026

6.08K→6.67K

Total

Net shares

+600.00

Net value

$0.00

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	2/24/2026	A · Award	+600.00	—	—	9.9%	6.08K	6.67K
Total			+600.00		$0.00

Derivative Transactions1

Stock Option (Right to Buy)

Direct

A · Award

Converts to

Common Stock

1.50K shares

Shares

+1.50K

Strike price

62.96

Held after

1.50K

Exercisable

—

2/24/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option (Right to Buy) Direct	Common Stock1.50K shares	2/24/2026	A · Award	+1.50K	62.96	—	1.50K

Non-Derivative Holdings (Post-Transaction)3

Common Stock

Indirect

Shares owned185.00

Common Stock

Indirect

Shares owned10.63K

Common Stock

Indirect

Shares owned2.04K

Total

12.85K indirect12.85K

Security Title	Shares Owned	Ownership Type
Common Stock	185.00	Indirect
Common Stock	10.63K	Indirect
Common Stock	2.04K	Indirect
Total	12.85K	12.85K indirect

Derivative Holdings (Post-Transaction)8

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

2K

Shares owned

2K

Exercise price

34.35

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

3K

Shares owned

3K

Exercise price

34.91

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

1.50K

Shares owned

1.50K

Exercise price

60.42

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

2.50K

Shares owned

2.50K

Exercise price

46.94

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

2.50K

Shares owned

2.50K

Exercise price

40.82

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

2K

Shares owned

2K

Exercise price

37.40

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

1.50K

Shares owned

1.50K

Exercise price

53.82

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

2K

Shares owned

2K

Exercise price

37.31

Expiration

—

Exercise window

—

Total

Underlying

17K

Owned

17K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Stock Option (Right to Buy) Direct	Common Stock	34.35	—	—	2K	2K
Stock Option (Right to Buy) Direct	Common Stock	34.91	—	—	3K	3K
Stock Option (Right to Buy) Direct	Common Stock	60.42	—	—	1.50K	1.50K
Stock Option (Right to Buy) Direct	Common Stock	46.94	—	—	2.50K	2.50K
Stock Option (Right to Buy) Direct	Common Stock	40.82	—	—	2.50K	2.50K
Stock Option (Right to Buy) Direct	Common Stock	37.40	—	—	2K	2K
Stock Option (Right to Buy) Direct	Common Stock	53.82	—	—	1.50K	1.50K
Stock Option (Right to Buy) Direct	Common Stock	37.31	—	—	2K	2K
Total					17K	17K

HECKER MARK E — Insider Transaction (Form 4) Filed Feb 26, 2026 | Finecho