Director Michael Cassens sells FIRST BUSEY (BUSE) shares under 10b5-1 plan

Rhea-AI Filing Summary

FIRST BUSEY CORP director Michael David Cassens reported an open-market sale of 750 shares of Common Stock at $26.11 per share. After this transaction, he directly holds 140,392 shares. The sale was carried out under a pre-arranged Rule 10b5-1 trading plan adopted on August 15, 2025.

Insider Trade Summary 10b5-1

Net Seller: 750 shares ($19,583)

Net Sell 1 txn

Insider Cassens Michael David

Role null

Sold 750 shs ($20K)

Type	Security	Shares	Price	Value
Sale	Common Stock	750	$26.11	$20K

Holdings After Transaction: Common Stock — 140,392 shares (Direct, null)

Footnotes (1)

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Key Figures

Shares sold: 750 shares Sale price: $26.11 per share Shares held after sale: 140,392 shares +1 more

4 metrics

Shares sold 750 shares Common Stock sold on May 15, 2026

Sale price $26.11 per share Open-market sale price

Shares held after sale 140,392 shares Direct ownership following transaction

Net buy/sell direction -750 shares (net-sell) Form 4 transaction summary

Key Terms

Rule 10b5-1 trading plan, open-market sale, Common Stock, Form 4

4 terms

Rule 10b5-1 trading plan regulatory

"The stock sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Common Stock financial

""security_title": "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Form 4 regulatory

"The stock sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Form 4 Insider Transactions: What Each Field Means →

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).

X

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^*

Cassens Michael David

(Last) (First) (Middle)

11440 TOMAHAWK CREEK PARKWAY

(Street)

LEAWOOD KANSAS 66211

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
FIRST BUSEY CORP /NV/ [ BUSE ]

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)
05/15/2026

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	05/15/2026		S(1)		750	D	$26.11	140,392	D

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

Explanation of Responses:

1. The stock sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on August 15, 2025.

Remarks:

	/s/ Carolyn Slattery, attorney-in-fact	05/18/2026
	** 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)

FAQ

What did FIRST BUSEY CORP (BUSE) director Michael Cassens report on this Form 4?

Michael David Cassens reported selling 750 shares of FIRST BUSEY CORP Common Stock. The shares were sold in an open-market transaction at $26.11 per share, and the filing shows his remaining direct ownership after the sale.

How many FIRST BUSEY CORP (BUSE) shares did Michael Cassens sell and at what price?

He sold 750 shares of FIRST BUSEY CORP Common Stock. The transaction was executed at a price of $26.11 per share, reflecting a relatively small portion of his overall reported holdings in the company.

How many FIRST BUSEY CORP (BUSE) shares does Michael Cassens hold after this transaction?

Following the reported sale, Michael David Cassens directly holds 140,392 shares of FIRST BUSEY CORP Common Stock. This post-transaction balance is disclosed in the Form 4 as his direct ownership position after the 750-share sale.

Was the FIRST BUSEY CORP (BUSE) stock sale by Michael Cassens under a Rule 10b5-1 plan?

Yes. The Form 4 footnote states the stock sale was effected pursuant to a Rule 10b5-1 trading plan adopted on August 15, 2025. Such plans pre-arrange trades, helping separate trading decisions from day-to-day market conditions.

What type of transaction did Michael Cassens report for FIRST BUSEY CORP (BUSE)?

He reported an open-market sale of Common Stock, coded as an “S” transaction. The filing describes this as a sale in an open market or private transaction, and classifies the ownership as direct following completion of the trade.