$GCBC

PLUMMER MICHELLE M sold $288K of GCBC

PLUMMER MICHELLE M sold 10,000 shares of GREENE COUNTY BANCORP INC (GCBC) at $28.77 ($0.29M total) on 2026-06-11.

Original reporting
SEC EDGAR · PLUMMER MICHELLE M
Published Jun 15, 2026, 4:00 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Aug 6, 2026, 11:06 AM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
AlphAI market briefInsider activity
Primary signal
$GCBC
Neutral
medium confidence
Mentioned
$GCBC
Relevance
4/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$GCBCNeutralLow
01

Why it matters

The newest disclosed fact is the director’s open-market sale of 10,000 shares at $28.77, with post-sale holdings of 99,560 shares.

02

Market read

Traders may note insider selling as a sentiment datapoint, but there is no accompanying fundamental catalyst in the text.

03

What to watch

The filing does not specify why the director sold or whether other insiders/management made offsetting purchases, limiting interpretability.

Relevance 4/10Novelty 3/10Timing: filed 2026-06-15, transaction dated 2026-06-11

Background

The article is an SEC Form 4 insider transaction disclosure for Greene County Bancorp (GCBC).

Company-level read

Ticker impact

$GCBCNeutralMedium confidence
Context

Form 4 shows director Plummer sold 10,000 shares of Greene County Bancorp at $28.77 on 2026-06-11, totaling $287,700.

Expected impact

Likely limited near-term impact; any effect is more sentiment-driven than fundamental.

Evidence & confidence

The filing is a primary-source insider transaction, but it provides no earnings, guidance, deal, or regulatory development. The sale size is moderate and lacks additional context (e.g., options exercise, tax, or 10b5-1 plan).

Market effects

No sector read-through is provided beyond a single bank insider sale.

None indicated.

None indicated.

Counterpoint

The absence of a stated 10b5-1 plan does not necessarily imply negative information; sales can be for diversification or tax planning.

Key entities

  • GREENE COUNTY BANCORP INC

    US-listed company whose director insider sale is disclosed via Form 4.

  • PLUMMER MICHELLE M

    Director who sold 10,000 shares of GCBC on 2026-06-11.

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

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GREENE COUNTY BANCORP INC (GCBC) filed an SEC Form 8-K — Results of Operations and Financial Condition. EX-99.1 2 ef20078633_ex99-1.htm EXHIBIT 99.1 Exhibit 99.1 FOR RELEASE Date: July 23, 2026 For Further Information Contact: Donald E. Gibson President & CEO (518) 943-2600 donaldg@tbogc.com Nick Barzee SVP & CFO (518) 943-2600 nickb@tbogc.com Greene County Bancorp, Inc. Reports Re