GCBC (NASDAQ) affiliate files Form 144 to sell 10,000 shares

Rhea-AI Filing Summary

GCBC submitted a Form 144 notice reporting proposed sales of Common Stock by an affiliate. The filing lists a proposed sale of 10,000 shares with an aggregate value of $282,100.00. The document shows shares outstanding 17,025,485 as of 06/11/2026 and indicates trading on NASDAQ. The filing lists multiple lots tied to Michelle Plummer, including prior acquisitions and equity awards dated 03/07/2000, 03/29/2003, 03/30/2004, 03/31/2005, and 12/22/2009

Insights

Securities Compliance Analyst

Form 144 records a proposed affiliate sale of 10,000 shares valued at $282,100.00.

The notice lists the selling party as Michelle Plummer and shows multiple acquisition lots (open market purchase and equity awards) with dates and lot sizes. The filing records 17,025,485 shares outstanding as of 06/11/2026, which provides a baseline for proportionality analysis.

Timing and execution mechanics for the proposed sale are not detailed in the excerpt; subsequent filings will show whether the proposed transactions were executed or amended.

Key Figures

Proposed sale: 10,000 shares Aggregate value: $282,100.00 Shares outstanding: 17,025,485 shares +5 more

8 metrics

Proposed sale 10,000 shares Filed on Form 144

Aggregate value $282,100.00 Aggregate value of proposed sale

Shares outstanding 17,025,485 shares as of 06/11/2026

Lot size example 600 shares Open Market Purchase dated 03/07/2000

Lot size example 540 shares Stock Recognition Award dated 03/29/2003

Lot size example 1,080 shares Stock Recognition Award dated 03/30/2004

Lot size example 2,700 shares Stock Recognition Award dated 03/31/2005

Lot size example 5,080 shares Stock Option Exercise dated 12/22/2009

Key Terms

Form 144, Stock Recognition Award, Stock Option Exercise, Open Market Purchase

4 terms

Form 144 regulatory

"submitted a Form 144 notice reporting proposed sales"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Stock Recognition Award financial

"Stock Recognition Award | Michelle Plummer | 540 | 03/29/2003"

Stock Option Exercise financial

"Stock Option Exercise | Michelle Plummer | 5080 | 12/22/2009"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

Open Market Purchase market

"Open Market Purchase | Michelle Plummer | 600 | 03/07/2000"

An open market purchase is when a company buys its own shares on public stock exchanges the same way any investor would, rather than through a private deal. Investors care because these purchases reduce the number of shares available, can boost earnings per share and share price, signal that management thinks the stock is undervalued, and use company cash that might otherwise go to reinvestment or dividends — like a business quietly buying back its own tickets at the box office.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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 Stock	Northwestern Mutual One Northwest Boulevard Albany NY 12211	10000	282100.00	17025485	06/11/2026	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	03/07/2000	Open Market Purchase	Michelle Plummer			600	03/07/2000	Cash
Common	03/29/2003	Stock Recognition Award	Michelle Plummer			540	03/29/2003	Equity Comp.
Common	03/30/2004	Stock Recognition Award	Michelle Plummer			1080	03/30/2004	Equity Comp.
Common	03/31/2005	Stock Recognition Award	Michelle Plummer			2700	03/31/2005	Equity Comp.
Common	12/22/2009	Stock Option Exercise	Michelle Plummer			5080	12/22/2009	Equity Comp.

* 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

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does GCBC's Form 144 disclose about proposed sales?

The Form 144 shows a proposed sale of 10,000 shares of common stock with an aggregate value of $282,100.00. It lists the selling party and prior acquisition lots tied to that holder.

Who is listed as the selling person on the GCBC Form 144?

The filing lists Michelle Plummer as the selling person, with multiple acquisition dates and lot sizes shown in the notice for her holdings.

How many GCBC shares were outstanding according to the filing?

The document reports 17,025,485 shares outstanding as of 06/11/2026, which is the baseline figure shown in the excerpt.

What acquisition types and lot sizes are shown for the selling holder?

The excerpt lists acquisition methods including Open Market Purchase and Equity Compensation, with example lot sizes: 600, 540, 1,080, 2,700, and 5,080 shares.

On which exchange does GCBC trade as shown in the filing?

The filing indicates trading on NASDAQ in the header information accompanying the Form 144 notice.