Security Midwest Bancorp grants Stone 1,334 shares

The restricted stock and options vest at 20% per year beginning October 20, 2027.

Rhea-AI Filing Summary

Security Midwest Bancorp, Inc. director Erin M. Stone received 1,334 shares of restricted stock and options covering 2,669 common shares on October 20, 2026. The options have an $18.00 exercise price and expire October 20, 2036; both awards vest at 20% per year commencing October 20, 2027. Her reported direct common-stock holdings after the restricted-stock award were 16,334 shares; 15,000 shares were reported indirectly as held by her spouse.

Insider Trade Summary

Grant/Award: 4,003 shares

Grant/Award 3 txns

Insider Stone Erin M

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Stock Options F2	2,669	$0.00	$0.00
Grant/Award	Common Stock F1	1,334	$0.00	$0.00
holding	Common Stock	--	--	--

Holdings After Transaction: Stock Options — 2,669 contracts (Direct); Common Stock — 16,334 shares (Direct); Common Stock — 15,000 shares (Indirect, By Spouse)

Footnotes (2)

1. F1. Shares of restricted stock vest at a rate of 20% per year commencing on October 20, 2027.
2. F2. Stock options vest at a rate of 20% per year commencing on October 20, 2027.

Key Figures

Restricted stock awarded: 1,334 shares Common shares underlying options: 2,669 shares Exercise price: $18.00 per share +4 more

7 metrics

Restricted stock awarded 1,334 shares October 20, 2026

Common shares underlying options 2,669 shares Options awarded October 20, 2026

Exercise price $18.00 per share Stock options

Direct common-stock holdings after award 16,334 shares Following the restricted-stock award

Common shares held by spouse 15,000 shares Reported indirectly

Annual vesting rate 20% per year Restricted stock and stock options, commencing October 20, 2027

Option expiration date October 20, 2036 Stock options

Key Terms

restricted stock, stock options, vest

3 terms

restricted stock financial

"Shares of restricted stock vest at a rate of 20% per year"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

stock options financial

"Stock options vest at a rate of 20% per year"

Stock options are agreements that give a person the right to buy or sell a company's stock at a specific price within a certain time frame. They are often used as a reward or incentive, similar to a coupon that can be used later if the stock price rises, allowing the holder to make a profit.

vest financial

"vest at a rate of 20% per year commencing on October 20, 2027"

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many restricted shares did SBMW director Erin M. Stone receive?

Erin M. Stone received 1,334 shares of restricted stock on October 20, 2026. Her reported direct common-stock holdings after the award were 16,334 shares.

What were the terms of Erin M. Stone's SBMW stock-option award?

Stone received options covering 2,669 common shares, with an $18.00 exercise price and an expiration date of October 20, 2036. The options vest at a rate of 20% per year commencing October 20, 2027.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/22/2026 - 12:14 PM EDT Accepted by SEC EDGAR 10/22/2026 - 12:14 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Stone Erin M

(Last) (First) (Middle)

510 E MONROE

(Street)

SPRINGFIELD ILLINOIS 62701

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Security Midwest Bancorp, Inc. [ SBMW ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/20/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	10/20/2026		A		1,334(1)	A	$0	16,334	D
Common Stock								15,000	I	By Spouse

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Options	$18	10/20/2026		A		2,669(2)		10/20/2027	10/20/2036	Common Stock	2,669(2)	$0	2,669(2)	D

Explanation of Responses:

1. Shares of restricted stock vest at a rate of 20% per year commencing on October 20, 2027.

2. Stock options vest at a rate of 20% per year commencing on October 20, 2027.

	/s/ Edward A. Quint, pursuant to power of attorney	10/22/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)