Mark E. Hecker - 18 Aug 2026 Form 4 Insider Report for SOUTHERN MISSOURI BANCORP, INC. (SMBC)

Reporting relationship
EVP-CHIEF CREDIT OFFICER
Issuer ticker
SMBC
Reported as of
18 Aug 2026
Net transaction value
-$202,802
Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
20 Aug 2026, 15:07:30 UTC
Prior SEC filing
31 Jul 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Mark E Hecker

Key filing fact

Mark E. Hecker filed Form 4 for SOUTHERN MISSOURI BANCORP, INC. (SMBC) on 20 Aug 2026.

Key facts

  • This page summarizes Mark E. Hecker's Form 4 filing for SOUTHERN MISSOURI BANCORP, INC. (SMBC).
  • 3 reported transactions and 7 derivative rows are listed below.
  • Accepted by SEC: 20 Aug 2026, 15:07.

Change

  • Previous filing in this sequence was filed on 31 Jul 2026.
  • Current net transaction value: -$202,802.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001355433 Primary reporting owner

HECKER MARK E

Relationship
EVP-CHIEF CREDIT OFFICER
Address
2991 OAK GROVE RD., POPLAR BLUFF
Signature
/s/ Mark E Hecker
Signature date
20 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SMBC transaction

Common Stock

Sale

Transaction value
$120,784
Shares
-1,600
Change %
-15%
Price
$75.49
Shares after
9,030
Date
18 Aug 2026
Ownership
IRA
SMBC transaction

Common Stock

Sale

Transaction value
$68,049
Shares
-900
Change %
-10%
Price
$75.61
Shares after
8,130
Date
18 Aug 2026
Ownership
IRA
SMBC transaction

Common Stock

Sale

Transaction value
$13,969
Shares
-185
Change %
-100%
Price
$75.51
Shares after
0
Date
18 Aug 2026
Ownership
Spouse IRA
SMBC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
2,052
Date
18 Aug 2026
Ownership
401(k)
SMBC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
10,065
Date
18 Aug 2026
Ownership
Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

SMBC holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
1,500
Date
18 Aug 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
1,500
Exercise price
$62.96
Footnotes
F1
SMBC holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
1,500
Date
18 Aug 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
1,500
Exercise price
$60.42
Footnotes
F2
SMBC holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
2,500
Date
18 Aug 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
2,500
Exercise price
$40.82
Footnotes
F3
SMBC holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
2,500
Date
18 Aug 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
2,500
Exercise price
$46.94
Footnotes
F4
SMBC holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
1,500
Date
18 Aug 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
1,500
Exercise price
$53.82
Footnotes
F5
SMBC holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
3,000
Date
18 Aug 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
3,000
Exercise price
$34.91
Footnotes
F6
SMBC holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
2,000
Date
18 Aug 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
2,000
Exercise price
$37.40
Footnotes
F7
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 7 footnotes

Footnote F1

The options become exercisable in 20% installments over a five year period with the first installment vesting on 2/24/27. Each remaining installment vests annually thereafter.

Footnote F2

The options become exercisable in 20% installments over a five year period with the first installment vesting on 2/18/26. Each remaining installment vests annually thereafter.

Footnote F3

The options become exercisable in 20% installments over a five-year period with the first installment vesting on 2/8/25. Each remaining installment vests annually thereafter.

Footnote F4

The options become exercisable in 20% installments over a five-year period with the first installment vesting on 2/21/24. Each remaining installment vests annually thereafter.

Footnote F5

The options become exercisable in 20% installments over a five year period with the first installment vesting on 2/3/23. Each remaining installment vests annually thereafter.

Footnote F6

The options become exercisable in 20% installments over a five year period with the first installment vesting on 2/10/22. Each remaining installment vests annually thereafter.

Footnote F7

The options become exercisable in 20% installments over a five year period with the first installment vesting on 2/18/21. Each remaining installment vests annually thereafter.

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