First Busey director plans sale of 4,323 shares

FIRST BUSEY CORP (BUSE) has a notice under Rule 144 from director Michael David Cassens covering a proposed sale of up to 4,323 shares of common stock through an account at The Charles Schwab Corporation.

Rhea-AI Filing Summary

FIRST BUSEY CORP (BUSE) has a notice under Rule 144 from director Michael David Cassens covering a proposed sale of up to 4,323 shares of common stock through an account at The Charles Schwab Corporation. The notice is dated September 15, 2026 and relates to securities originally acquired in a February 1, 2019 BOE acquisition.

The filing also lists sales during the prior three months from the same holder of 1,441 shares of common stock on July 15, 2026 for $42,278 and 1,441 shares on August 17, 2026 for $44,786. The account is titled “Michael Cassens & Karin Clark-Cassens JT TEN ACCT,” indicating joint ownership.

Key Figures

Shares proposed for sale under Rule 144: 4,323 shares Aggregate market value of shares proposed for sale: $131,635.00 Shares sold on July 15, 2026: 1,441 shares +5 more

8 metrics

Shares proposed for sale under Rule 144 4,323 shares Common stock of FIRST BUSEY CORP covered in the Rule 144 notice

Aggregate market value of shares proposed for sale $131,635.00 Value shown for 4,323 shares of common stock in the securities information section

Shares sold on July 15, 2026 1,441 shares Common stock sold by Michael Cassens during the past three months

Proceeds from July 15, 2026 sale $42,278.00 Sale of 1,441 shares of common stock reported in the past three months section

Shares sold on August 17, 2026 1,441 shares Second sale of common stock by Michael Cassens during the past three months

Proceeds from August 17, 2026 sale $44,786.00 Sale of 1,441 shares of common stock reported in the past three months section

Date of Rule 144 notice September 15, 2026 Date of Notice field for the Form 144 filing

Original acquisition date of securities February 1, 2019 Acquisition date listed for the common stock from the BOE acquisition

Key Terms

Rule 144, Securities To Be Sold, JT TEN

3 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Securities To Be Sold financial

"144: Securities To Be Sold COMMON | 02/01/2019 |"

JT TEN financial

"Full Account Title: MICHAEL CASSENS & KARIN CLARK-CASSENS JT TEN ACCT"

FAQ

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

What does the Form 144 filing disclose for FIRST BUSEY CORP (BUSE)?

It discloses that director Michael David Cassens filed a Rule 144 notice to potentially sell up to 4,323 shares of FIRST BUSEY CORP common stock through an account at The Charles Schwab Corporation, with the notice dated September 15, 2026.

How many FIRST BUSEY CORP (BUSE) shares are covered by the planned Rule 144 sale?

The notice covers up to 4,323 shares of FIRST BUSEY CORP common stock. These shares are held in the “Michael Cassens & Karin Clark-Cassens JT TEN ACCT” and are proposed to be sold through The Charles Schwab Corporation.

What prior sales of FIRST BUSEY CORP (BUSE) stock are reported in the past three months?

The filing lists two sales: 1,441 shares of common stock on July 15, 2026 for $42,278, and 1,441 shares on August 17, 2026 for $44,786, both by Michael Cassens from the same address in Leawood, Kansas.

Who is the person filing under Rule 144 for FIRST BUSEY CORP (BUSE)?

The Rule 144 notice is filed for Michael David Cassens, identified as a Director of FIRST BUSEY CORP. The securities are held in a joint account titled “Michael Cassens & Karin Clark-Cassens JT TEN ACCT.”

Through which broker are the FIRST BUSEY CORP (BUSE) shares to be sold under this Form 144?

The shares are indicated as held and to be sold through The Charles Schwab Corporation, located at 3000 Schwab Way, Westlake, Texas 76262, as shown in the securities information section.

When were the FIRST BUSEY CORP (BUSE) shares covered by the Form 144 originally acquired?

The securities to be sold are reported as common stock acquired on February 1, 2019 in connection with a BOE acquisition, with the issuer listed as FIRST BUSEY CORP.

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

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Available on EDGAR 09/15/2026 - 10:10 AM Accepted by SEC EDGAR 09/15/2026 - 10:10 AM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001766116
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	FIRST BUSEY CORP /NV/
SEC File Number	001-42677
Address of Issuer	11440 TOMAHAWK CREEK PKWY LEAWOOD KANSAS 66211
Phone	2173654544
Name of Person for Whose Account the Securities are To Be Sold	Cassens Michael David
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
COMMON	THE CHARLES SCHWAB CORPORATION 3000 Schwab Way Westlake TX 76262	4323	131635.00	82576956	09/15/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
COMMON	02/01/2019	BOE ACQUISITION	ISSUER			4323	02/01/2019	NA

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Michael Cassens 11440 Tomahawk Creek Parkway Leawood KS 66211	COMMON	07/15/2026	1441	42278.00
Michael Cassens 11440 Tomahawk Creek Parkway Leawood KS 66211	COMMON	08/17/2026	1441	44786.00

144: Remarks and Signature

Remarks	Full Account Title: MICHAEL CASSENS & KARIN CLARK-CASSENS JT TEN ACCT
Date of Notice	09/15/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	08/06/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	MICHAEL CASSENS
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)