Were Michael David Cassens’s First Busey (BUSE) share sales under a Rule 10b5-1 plan?

Yes. The Form 4 footnote states the stock sales were executed under a Rule 10b5-1 trading plan. That trading plan was adopted on August 15, 2025, indicating the June 15, 2026 transactions were pre-arranged rather than newly decided.

Director at First Busey (BUSE) sells 6,278 shares under 10b5-1 plan

Filing Impact

(Moderate)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

First Busey Corp. director Michael David Cassens reported open-market sales of a total of 6,278 shares of Common Stock on June 15, 2026, at prices around $29 per share. The filing notes these stock sales were executed under a pre-arranged Rule 10b5-1 trading plan adopted on August 15, 2025.

Insider Trade Summary 10b5-1

Net Seller: 6,278 shares ($182,002)

Net Sell 2 txns

Insider Cassens Michael David

Role null

Sold 6,278 shs ($182K)

Type	Security	Shares	Price	Value
Sale	Common Stock	750	$28.92	$22K
Sale	Common Stock	5,528	$29.00	$160K

Holdings After Transaction: Common Stock — 139,642 shares (Direct, null)

Footnotes (1)

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Key Figures

Shares sold: 6,278 shares First sale: 5,528 shares at $29.00 Second sale: 750 shares at $28.92 +2 more

5 metrics

Shares sold 6,278 shares Total Common Stock sold on June 15, 2026

First sale 5,528 shares at $29.00 Open-market sale of Common Stock on June 15, 2026

Second sale 750 shares at $28.92 Open-market sale of Common Stock on June 15, 2026

Net share change 6,278 shares sold transactionSummary netBuySellShares (net-sell)

Trading plan adoption August 15, 2025 Date Rule 10b5-1 trading plan was adopted

Key Terms

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

4 terms

Rule 10b5-1 trading plan regulatory

"The stock sales reported on this Form 4 were 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 of Common Stock on June 15, 2026"

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 in each reported transaction"

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 sales reported on this Form 4 were 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.

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Form 4 Insider Transactions: What Each Field Means →

06/16/2026 - 04:02 PM

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^*

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)
06/15/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	06/15/2026		S⁽¹⁾		750	D	$28.92	139,642	D
Common Stock	06/15/2026		S⁽¹⁾		5,528	D	$29	134,114	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

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

Remarks:

	/s/ Carolyn Slattery, attorney-in-fact	06/16/2026
	** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did First Busey (BUSE) disclose for Michael David Cassens?

First Busey disclosed that director Michael David Cassens sold 6,278 shares of Common Stock on June 15, 2026. The sales were reported as open-market transactions at prices around $29 per share, according to the Form 4 insider trading report.

At what prices did Michael David Cassens sell First Busey (BUSE) shares?

Michael David Cassens sold First Busey Common Stock at $29.00 per share for 5,528 shares and $28.92 per share for 750 shares. Both transactions occurred on June 15, 2026, and were reported as open-market sales.

How many First Busey (BUSE) shares did Michael David Cassens sell in total?

Michael David Cassens sold a total of 6,278 First Busey Common Stock shares. This total comes from two transactions on June 15, 2026: 5,528 shares at $29.00 per share and 750 shares at $28.92 per share, all reported on Form 4.

What type of security did Michael David Cassens trade in this First Busey (BUSE) Form 4?

Michael David Cassens traded First Busey Common Stock in this Form 4. Both reported transactions are non-derivative open-market sales of Common Stock, with no associated options, warrants, or other derivative securities listed in the insider filing data.