Stocks › GCBC

GREENE COUNTY BANCORP INC

GCBC·Nasdaq·United States United States·USD
$34.37
+0.04 (+0.12%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
GCBC
GREENE COUNTY BANCORP INC · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
GCBCS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
Loading price history…
Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair

Congressional Trades

Recent trades of GCBC by members of U.S. Congress · 1 on record
All congressional trades →
PoliticianStockTypeFiledTraded
John J. FasoJohn J. FasoHouse · R · NY GCBCGREENE COUNTY BANCORP INC · Stock Sale
$1,001 - $15,000
Feb 11, 2017 Feb 6, 2017 Filing ↗

Whale Activity

Position changes in GCBC reported for 2026-06-30 by 1 tracked institutional filer
Closed: 1
  • Increased0
  • New0
  • Held0
  • Decreased0
  • Closed1
  • No prior filing0
FilerSharesValueChange
Millennium Management LLC0$0closed

KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.

Insider Trading

Net shares bought (+) or sold (−) on the open market by GCBC insiders, by quarter · Form 4
-20.0K-10.0K010.0K20.0K2025 Q1: 11.6K2025 Q12025 Q2: 8,9712025 Q22025 Q3: 02025 Q32025 Q4: 13.1K2025 Q42026 Q1: 11.6K2026 Q12026 Q2: -5,8792026 Q22026 Q3: 02026 Q32026 Q4: 02026 Q4

Recent Insider Transactions

400 transactions on record · newest first
All insider activity →
InsiderTypeSharesPriceValueDate
PLUMMER MICHELLE MDirector Sale −10.0K $28.77 $288K Jun 11, 2026 Form 4 ↗
Brust JohnDirector Purchase +2,041 $24.50 $50K Apr 28, 2026 Form 4 ↗
Brust JohnDirector Purchase +1,040 $24.06 $25K Apr 27, 2026 Form 4 ↗
Brust JohnDirector Purchase +1,040 $24.05 $25K Apr 27, 2026 Form 4 ↗
Hogan Peter W.Director Purchase +3,000 $22.10 $66K Mar 18, 2026 Form 4 ↗
Hada Tejraj SDirector Purchase +4,000 $21.95 $88K Mar 18, 2026 Form 4 ↗
Hada Tejraj SDirector Purchase +2,000 $21.99 $44K Mar 17, 2026 Form 4 ↗
Barzee NickSVP and CFO Purchase +1,280 $22.55 $29K Mar 5, 2026 Form 4 ↗
Cannucciari ChristopherDirector Purchase +1,300 $22.05 $29K Mar 2, 2026 Form 4 ↗
Hada Tejraj SDirector Small acquisition +268 $21.95 $6K Nov 19, 2025 Form 4 ↗
Hada Tejraj SDirector Purchase +3,000 $21.96 $66K Nov 18, 2025 Form 4 ↗
Antalek JohnEVP and CLO Purchase +1,500 $22.00 $33K Nov 18, 2025 Form 4 ↗
Hada Tejraj SDirector Purchase +366 $22.00 $8K Nov 14, 2025 Form 4 ↗
Hada Tejraj SDirector Purchase +1,500 $22.52 $34K Nov 5, 2025 Form 4 ↗
Hada Tejraj SDirector Purchase +45 $22.20 $999 Nov 4, 2025 Form 4 ↗
Hada Tejraj SDirector Purchase +235 $21.80 $5K Nov 3, 2025 Form 4 ↗
Gibson Donald EPresident and CEO · Director Purchase +500 $21.75 $11K Oct 29, 2025 Form 4 ↗
Gibson Donald EPresident and CEO · Director Purchase +500 $22.00 $11K Oct 29, 2025 Form 4 ↗
Cannucciari ChristopherDirector Purchase +423 $22.79 $10K Oct 29, 2025 Form 4 ↗
Cannucciari ChristopherDirector Purchase +706 $22.91 $16K Oct 28, 2025 Form 4 ↗

Fund Holders

Mutual funds and ETFs holding GCBC · SEC Form N-PORT
FundSharesValue% of fundAs of
VANGUARD TOTAL STOCK MARKET INDEX FUND
VANGUARD INDEX FUNDS
391.5K$13.2M0.00%Jun 30, 2026
iShares Russell 2000 ETF
iShares Trust
190.6K$6.4M0.01%Jun 30, 2026
VANGUARD EXTENDED MARKET INDEX FUND
VANGUARD INDEX FUNDS
81.1K$2.7M0.00%Jun 30, 2026
Fidelity Small Cap Index Fund
Fidelity Salem Street Trust
77.1K$2.6M0.01%Jul 31, 2026
iShares Russell 2000 Value ETF
iShares Trust
59.6K$2.0M0.01%Jun 30, 2026
VANGUARD RUSSELL 2000 INDEX FUND
VANGUARD SCOTTSDALE FUNDS
35.8K$939K0.01%May 31, 2026
BlackRock Advantage Small Cap Growth Fund
BlackRock Funds
27.2K$914K0.11%Jun 30, 2026
Fidelity Extended Market Index Fund
Fidelity Concord Street Trust
32.3K$848K0.00%May 31, 2026
Angel Oak Financial Strategies Income Term Trust25.0K$837K0.19%Jul 31, 2026
iShares Micro-Cap ETF
iShares Trust
24.5K$822K0.05%Jun 30, 2026

Mutual funds and ETFs whose N-PORT filings list GCBC's shares (CUSIP 394357107), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.

Activist & Passive Stakes

Schedule 13D / 13G beneficial-ownership filings

No 13D/13G beneficial-ownership filings on record.

Corporate Lobbying

Estimated quarterly lobbying spending reported under the LDA, filings naming GREENE COUNTY BANCORP INC as client

No lobbying filings found naming GREENE COUNTY BANCORP INC as the client.

Government Contracts

Federal awards to GREENE COUNTY BANCORP INC · USAspending

No federal contract awards found for GREENE COUNTY BANCORP INC.

U.S. Patents

Recent USPTO applications naming GREENE COUNTY BANCORP INC

No USPTO patent applications found for GREENE COUNTY BANCORP INC.

Annual Financials

From GCBC's 10-K filings · XBRL

No annual XBRL figures on record for GCBC. KeyVex's fundamentals cover about 130 large companies so far.

Stock Splits

Every split and reverse split in the price history
  • 2-for-1Stock splitMar 24, 2023
  • 2-for-1Stock splitMar 16, 2016
  • 2-for-1Stock splitJun 1, 2005

Split dates and ratios from the price history · Close Prices from Tiingo.com

Material Events (8-K)

Corporate events filed with the SEC
  • 8-K · Items 8.01, 9.01Other eventsSep 15, 2026
    EDGAR ↗
  • 8-K · Items 2.02, 9.01Results of operationsJul 23, 2026
    EDGAR ↗
  • 8-K · Items 8.01, 9.01Other eventsJul 22, 2026
    EDGAR ↗
  • 8-K · Items 7.01, 9.01Reg FD disclosureJun 22, 2026
    EDGAR ↗

About GREENE COUNTY BANCORP INC

From SEC EDGAR company records

Greene County Bancorp, MHC and Greene County Bancorp, Inc. Greene County Bancorp, MHC was formed in December 1998 as part of the Bank of Greene County's mutual holding company reorganization. In 2001, Greene County Bancorp, MHC converted from a state to a federal charter. The Federal Reserve Board regulates Greene County Bancorp, MHC. Greene County Bancorp, MHC owns 54.1% of the outstanding common stock of Greene County Bancorp, Inc. The remaining shares of Greene County Bancorp, Inc. are owned by public stockholders and the Bank of Greene County’s Employee Stock Ownership Plan. At June 30, 2026, Greene County Bancorp, Inc.’s assets consisted primarily of its investment in the Bank of Greene…

Industry (SIC 6036)Savings Institutions, Not Federally Chartered
SectorFinancials
HeadquartersCATSKILL, NY
IncorporatedDE