UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended June 30, 2020 OR ☐ TRANSITION REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transaction period from ___________________ to ______________________ Commission File Number: 0-25165 GREENE COUNTY BANCORP, INC. (Name of registrant as specified in its Charter) (State or Other Jurisdiction of In ...

U.S. SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OF 15(d) OF THE SECURITIES AND EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OF 15(d) OF THE SECURITIES EXCHANGE ACT GREENE COUNTY BANCORP, INC. (Exact name of registrant as specified in its charter) Commission file number 0-25165 United States 14-1809721 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer ...

U.S. SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT UNDER SECTION 13 OF 15(d) OF THE SECURITIES AND EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED DECEMBER 31, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OF 15(d) OF THE SECURITIES EXCHANGE ACT GREENE COUNTY BANCORP, INC. (Exact name of registrant as specified in its charter) Commission file number 0-25165 United States 14-1809721 (State or other jurisdiction of incorporation or organization) (I.R.S. Employ ...

PART I. FINANCIAL INFORMATION [Financial Statements (unaudited)](index=3&type=section&id=Item%201.%20Financial%20Statements%20(unaudited)) The unaudited consolidated financial statements for the quarter ended September 30, 2019, show an increase in total assets to $1.41 billion, driven by growth in deposits, loans, and securities [Consolidated Statements of Financial Condition](index=4&type=section&id=Consolidated%20Statements%20of%20Financial%20Condition) As of September 30, 2019, total assets increased to $1.41 billion from $1.27 billion at June 30, 2019, an 11.0% rise, primarily fueled by a significant increase in cash and cash equivalents to $110.9 million and a $142.6 million increase in total deposits to $1.26 billion Consolidated Balance Sheet Highlights (in thousands) | Account | September 30, 2019 | June 30, 2019 | | :--- | :--- | :--- | | **Total Assets** | **$1.41B** | **$1.27B** | | Total cash and cash equivalents | $110.9M | $29.5K | | Net loans receivable | $805.5M | $785.7M | | Total securities (AFS & HTM) | $463.8M | $426.9M | | **Total Liabilities** | **$1.29B** | **$1.16B** | | Total deposits | $1.26B | $1.12B | | **Total Shareholders' Equity** | **$116.5M** | **$112.4M** | [Consolidated Statements of Income](index=5&type=section&id=Consolidated%20Statements%20of%20Income) For the three months ended September 30, 2019, the company reported net income of $4.9 million, an 11.0% increase from $4.4 million in the same period of 2018, driven by an 8.7% rise in net interest income to $10.5 million Quarterly Income Statement Highlights (in thousands, except per share data) | Metric | Q3 2019 | Q3 2018 | | :--- | :--- | :--- | | Net Interest Income | $10.5M | $9.7M | | Provision for loan losses | $551 | $354 | | Total Noninterest Income | $2.3M | $2.1M | | Total Noninterest Expense | $6.4M | $6.0M | | **Net Income** | **$4.9M** | **$4.4M** | | **Basic and Diluted EPS** | **$0.57** | **$0.51** | [Consolidated Statements of Comprehensive Income](index=6&type=section&id=Consolidated%20Statements%20of%20Comprehensive%20Income) Comprehensive income for the third quarter of 2019 was $4.6 million, compared to $4.3 million for the same period in 2018, including net income of $4.9 million partially offset by a $271,000 other comprehensive loss Comprehensive Income (in thousands) | Item | Q3 2019 | Q3 2018 | | :--- | :--- | :--- | | Net Income | $4.9M | $4.4M | | Other comprehensive loss, net of taxes | ($271) | ($76) | | **Comprehensive Income** | **$4.6M** | **$4.3M** | [Consolidated Statements of Changes in Shareholders' Equity](index=7&type=section&id=Consolidated%20Statements%20of%20Changes%20in%20Shareholders'%20Equity) Shareholders' equity increased from $112.4 million at June 30, 2019, to $116.5 million at September 30, 2019, driven by $4.9 million in net income, partially offset by $432,000 in dividends and a $271,000 other comprehensive loss - Shareholders' equity increased by **$4.16 million** during the quarter, from **$112.37 million** to **$116.53 million**[14](index=14&type=chunk) - Key changes included net income of **$4.86 million**, dividends declared of **$432,000**, and an other comprehensive loss of **$271,000**[14](index=14&type=chunk) [Consolidated Statements of Cash Flows](index=8&type=section&id=Consolidated%20Statements%20of%20Cash%20Flows) For the three months ended September 30, 2019, cash and cash equivalents increased by $81.3 million, primarily due to $134.2 million provided by financing activities, largely from a $142.6 million increase in deposits Cash Flow Summary (in thousands) | Activity | Q3 2019 | Q3 2018 | | :--- | :--- | :--- | | Net cash provided by operating activities | $5.8M | $2.9M | | Net cash used by investing activities | ($58.7M) | ($28.4M) | | Net cash provided by financing activities | $134.2M | $34.2M | | **Net increase in cash and cash equivalents** | **$81.3M** | **$8.6M** | [Notes to Consolidated Financial Statements](index=9&type=section&id=Notes%20to%20Consolidated%20Financial%20Statements) The notes provide detailed explanations of accounting policies and financial data, including the composition of securities and loan portfolios, adoption of the new lease accounting standard, and preparation for the CECL standard - Critical accounting policies relate to the allowance for loan losses and the evaluation of securities for other-than-temporary impairment (OTTI)[21](index=21&type=chunk) - The company's primary business is operating The Bank of Greene County, which has 16 offices in the Hudson Valley Region of New York State[23](index=23&type=chunk) - On July 1, 2019, the Company adopted the new lease standard (ASU 2016-02), recognizing right-of-use assets and lease liabilities of **$1.7 million**[87](index=87&type=chunk) - The company is preparing for the Current Expected Credit Loss (CECL) model (ASU 2016-13), with an effective date for fiscal years beginning after December 15, 2022[90](index=90&type=chunk) - Subsequent to the quarter end, on October 15, 2019, the Board declared a quarterly cash dividend of **$0.11** per share[111](index=111&type=chunk) [Management's Discussion and Analysis of Financial Condition and Results of Operations](index=34&type=section&id=Item%202.%20Management's%20Discussion%20and%20Analysis%20of%20Financial%20Condition%20and%20Results%20of%20Operations) Management discusses the company's financial performance, highlighting net interest income as the primary driver, with total assets growing 11.0% to $1.4 billion, funded by a 12.7% increase in deposits [Comparison of Financial Condition (Sept 30, 2019 vs. June 30, 2019)](index=36&type=section&id=Comparison%20of%20Financial%20Condition) Total assets increased by $140.3 million (11.0%) to $1.4 billion, primarily due to a $142.6 million (12.7%) rise in deposits, funding growth in net loans and securities, while nonperforming assets remained low - Total assets increased by **$140.3 million**, or 11.0%, from June 30, 2019[122](index=122&type=chunk) - Net loans receivable increased by **$19.8 million**, or 2.5%, driven by growth in commercial construction and commercial real estate loans[126](index=126&type=chunk) - Deposits increased by **$142.6 million**, or 12.7%, primarily due to an increase in municipal deposits from tax collection[137](index=137&type=chunk) - Shareholders' equity increased to **$116.5 million** from **$112.4 million**, mainly from net income of **$4.9 million**[143](index=143&type=chunk) [Comparison of Operating Results (Q3 2019 vs. Q3 2018)](index=43&type=section&id=Comparison%20of%20Operating%20Results) Net income for the quarter rose to $4.9 million from $4.4 million year-over-year, driven by increased net interest income despite margin compression, and partially offset by higher provision for loan losses and noninterest expense Quarterly Performance Metrics | Metric | Q3 2019 | Q3 2018 | | :--- | :--- | :--- | | Net Interest Income | $10.5M | $9.7M | | Net Interest Margin | 3.26% | 3.41% | | Provision for Loan Losses | $551 | $354 | | Net Income | $4.9M | $4.4M | | ROA (annualized) | 1.49% | 1.52% | | ROE (annualized) | 17.00% | 17.92% | - The increase in noninterest expense was primarily due to higher salaries and benefits from staffing a new branch and expanding other departments, partially offset by a credit from the FDIC, which reduced FDIC insurance premium expense by **$166,000** compared to the prior year[166](index=166&type=chunk) - The effective tax rate decreased to 16.1% from 18.8% in the prior year, influenced by tax-exempt income and benefits from the company's pooled captive insurance subsidiary[167](index=167&type=chunk) [Liquidity and Capital Resources](index=48&type=section&id=Liquidity%20and%20Capital%20Resources) The company maintains a strong liquidity position, primarily funded by deposits and cash flows from its loan and securities portfolios, with both subsidiary banks exceeding regulatory capital ratios for being 'well-capitalized' - Total unfunded loan commitments and unused lines of credit amounted to **$164.3 million** at September 30, 2019[169](index=169&type=chunk) The Bank of Greene County Capital Ratios (Sept 30, 2019) | Ratio | Actual | Required for Well-Capitalized | | :--- | :--- | :--- | | Total risk-based capital | 15.8% | 10.0% | | Tier 1 risk-based capital | 14.5% | 8.0% | | Common equity tier 1 capital | 14.5% | 6.5% | | Tier 1 leverage ratio | 8.7% | 5.0% | [Quantitative and Qualitative Disclosures About Market Risk](index=50&type=section&id=Item%203.%20Quantitative%20and%20Qualitative%20Disclosures%20About%20Market%20Risk) This disclosure is not required for smaller reporting companies, and therefore is not provided in this report - Not applicable to smaller reporting companies[173](index=173&type=chunk) [Controls and Procedures](index=50&type=section&id=Item%204.%20Controls%20and%20Procedures) The company's Chief Executive Officer and Chief Financial Officer concluded that disclosure controls and procedures were effective, with no material changes to internal control over financial reporting during the last fiscal quarter - Management concluded that the Company's disclosure controls and procedures were effective as of the end of the period covered by the report[174](index=174&type=chunk) - There were no changes in internal control over financial reporting during the last fiscal quarter that materially affected, or are reasonably likely to materially affect, the controls[175](index=175&type=chunk) PART II. OTHER INFORMATION [Legal Proceedings](index=50&type=section&id=Item%201.%20Legal%20Proceedings) Greene County Bancorp, Inc. and its subsidiaries are not currently involved in any material legal proceedings - The Company and its subsidiaries are not engaged in any material legal proceedings at the present time[177](index=177&type=chunk) [Risk Factors](index=50&type=section&id=Item%201A.%20Risk%20Factors) This disclosure is not required for smaller reporting companies, and therefore is not provided in this report - Not applicable to smaller reporting companies[177](index=177&type=chunk) [Exhibits](index=50&type=section&id=Item%206.%20Exhibits) The filing includes required certifications from the Chief Executive Officer and Chief Financial Officer pursuant to Sarbanes-Oxley Act rules, as well as financial data formatted in XBRL - Exhibits filed include CEO and CFO certifications under Rule 13a-14(a)/15d-14(a) and Section 1350, as well as XBRL data files[177](index=177&type=chunk)

FORM 10-K ☒ ANNUAL REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended June 30, 2019 OR ☐ TRANSITION REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transaction period from ___________________ to ______________________ Commission File Number: 0-25165 GREENE COUNTY BANCORP, INC. (Name of registrant as specified in its Charter) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 United States 14-1809721 (State or ...

PART I. FINANCIAL INFORMATION [Item 1. Financial Statements (unaudited)](index=3&type=section&id=Item%201.%20Financial%20Statements%20(unaudited)) The unaudited consolidated financial statements present the financial position, operations, and cash flows, reflecting growth in assets, loans, deposits, net income, and EPS [Consolidated Statements of Financial Condition](index=3&type=section&id=Consolidated%20Statements%20of%20Financial%20Condition) Total assets increased to **$1.27 billion** by March 31, 2019, driven by growth in net loans and cash, alongside increased deposits and shareholders' equity Consolidated Balance Sheet Highlights (in thousands) | Account | March 31, 2019 | June 30, 2018 | | :--- | :--- | :--- | | **Total Assets** | **$1,273,788** | **$1,151,478** | | Total cash and cash equivalents | $88,422 | $26,504 | | Net loans receivable | $763,285 | $704,431 | | Total securities | $395,464 | $395,356 | | **Total Liabilities** | **$1,165,523** | **$1,055,287** | | Total deposits | $1,139,778 | $1,025,234 | | **Total Shareholders' Equity** | **$108,265** | **$96,191** | [Consolidated Statements of Income](index=4&type=section&id=Consolidated%20Statements%20of%20Income) Net income for the nine months ended March 31, 2019, rose **23.5%** to **$13.3 million**, driven by increased net interest income and diluted EPS growth Key Income Statement Data (in thousands, except per share data) | Metric | Nine Months Ended Mar 31, 2019 | Nine Months Ended Mar 31, 2018 | Three Months Ended Mar 31, 2019 | Three Months Ended Mar 31, 2018 | | :--- | :--- | :--- | :--- | :--- | | Net Interest Income | $29,678 | $25,490 | $10,026 | $8,860 | | Provision for loan losses | $1,058 | $1,044 | $350 | $345 | | Noninterest Income | $6,203 | $5,486 | $2,010 | $1,859 | | Noninterest Expense | $18,694 | $15,987 | $6,486 | $5,782 | | **Net Income** | **$13,320** | **$10,789** | **$4,356** | **$3,677** | | Diluted EPS | $1.56 | $1.26 | $0.51 | $0.43 | [Consolidated Statements of Comprehensive Income](index=5&type=section&id=Consolidated%20Statements%20of%20Comprehensive%20Income) Comprehensive income for the nine months ended March 31, 2019, increased to **$13.7 million**, primarily from net income and unrealized gains on securities Comprehensive Income (in thousands) | Metric | Nine Months Ended Mar 31, 2019 | Nine Months Ended Mar 31, 2018 | | :--- | :--- | :--- | | Net Income | $13,320 | $10,789 | | Other comprehensive income (loss) | $398 | $(648) | | **Comprehensive Income** | **$13,718** | **$10,141** | [Consolidated Statements of Cash Flows](index=7&type=section&id=Consolidated%20Statements%20of%20Cash%20Flows) Net cash increased by **$61.9 million** for the nine months ended March 31, 2019, driven by operating and financing activities, despite investing outflows Cash Flow Summary (in thousands) | Activity | Nine Months Ended Mar 31, 2019 | Nine Months Ended Mar 31, 2018 | | :--- | :--- | :--- | | Net cash provided by operating activities | $15,153 | $14,164 | | Net cash used by investing activities | $(60,635) | $(136,154) | | Net cash provided by financing activities | $107,400 | $180,317 | | **Net increase in cash and cash equivalents** | **$61,918** | **$58,327** | [Notes to Consolidated Financial Statements](index=8&type=section&id=Notes%20to%20Consolidated%20Financial%20Statements) The notes detail critical accounting policies, portfolio composition, credit quality, fair value measurements, employee benefits, and new accounting standard adoptions - Critical accounting policies relate to the allowance for loan losses and the evaluation of securities for other-than-temporary impairment, which involve significant management judgment and estimation[24](index=24&type=chunk) - The company's primary business is operating the Bank of Greene County, which has **15 offices** in the Hudson Valley region of New York, focusing on attracting deposits and making loans and investments[26](index=26&type=chunk) - The company adopted new accounting standards for Revenue from Contracts with Customers (ASC 606) and Financial Instruments (ASU 2016-01) on July 1, 2018, with ASU 2016-01 resulting in a **$0.1 million** cumulative-effect adjustment to retained earnings[91](index=91&type=chunk)[92](index=92&type=chunk) - The company is currently evaluating the impact of the upcoming CECL (Current Expected Credit Loss) standard (ASU 2016-13), which is expected to have a significant impact on the methodology for calculating the allowance for loan losses[100](index=100&type=chunk) [Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations](index=39&type=section&id=Item%202.%20Management's%20Discussion%20and%20Analysis%20of%20Financial%20Condition%20and%20Results%20of%20Operations) Management's discussion highlights significant growth in assets, loans, and deposits, with increased net income, expanded net interest margin, and strong capital ratios [Comparison of Financial Condition](index=41&type=section&id=Comparison%20of%20Financial%20Condition) Total assets grew **10.6%** to **$1.3 billion** by March 31, 2019, driven by loan and cash growth, alongside increased deposits and reduced nonperforming assets - Total assets increased by **$122.3 million**, or **10.6%**, to **$1.3 billion** at March 31, 2019, from **$1.2 billion** at June 30, 2018, reflecting expansion in retail, commercial, and municipal banking lines[138](index=138&type=chunk) - Net loans grew by **$58.9 million** (**8.4%**) to **$763.3 million**, with growth primarily in commercial real estate (**$25.3 million**), commercial loans (**$15.4 million**), and residential real estate (**$12.4 million**)[142](index=142&type=chunk) - Total deposits increased by **$114.5 million** (**11.2%**), driven by a **$151.8 million** increase in NOW deposits, reflecting normal fluctuations in municipal deposits and growth in retail/commercial accounts[153](index=153&type=chunk) Nonperforming Assets (in thousands) | Category | March 31, 2019 | June 30, 2018 | | :--- | :--- | :--- | | Total nonaccruing loans | $2,988 | $3,517 | | Foreclosed real estate | $54 | $119 | | **Total nonperforming assets** | **$3,042** | **$3,698** | | Nonperforming assets as a % of total assets | 0.24% | 0.32% | [Comparison of Operating Results](index=48&type=section&id=Comparison%20of%20Operating%20Results) Net income rose **23.1%** to **$13.3 million** for the nine months ended March 31, 2019, driven by higher net interest income and an improved net interest margin Key Performance Ratios (Annualized) | Metric | Nine Months Ended Mar 31, 2019 | Nine Months Ended Mar 31, 2018 | | :--- | :--- | :--- | | Return on average assets | 1.51% | 1.37% | | Return on average equity | 17.45% | 16.36% | | Net interest margin | 3.41% | 3.29% | - Net interest income for the nine months increased by **$4.2 million** to **$29.7 million**, primarily due to a **$3.4 million** increase in income from volume changes in interest-earning assets[177](index=177&type=chunk)[170](index=170&type=chunk) - Noninterest income for the nine months increased by **$0.7 million** (**13.1%**), mainly from higher debit card fees and service charges on deposit accounts due to customer growth[185](index=185&type=chunk) - Noninterest expense for the nine months increased by **$2.7 million** (**16.9%**), primarily due to a **$1.7 million** rise in salaries and benefits related to staffing for two new branches and other departments[186](index=186&type=chunk) [Liquidity and Capital Resources](index=54&type=section&id=Liquidity%20and%20Capital%20Resources) The company maintains strong liquidity and capital, with significant loan commitments and capital ratios well above regulatory 'well capitalized' requirements - At March 31, 2019, the company had total unfunded loan commitments and unused lines of credit of **$127.0 million**[190](index=190&type=chunk)[191](index=191&type=chunk) Bank of Greene County Capital Ratios (as of March 31, 2019) | Ratio | Actual | Required to be Well Capitalized | | :--- | :--- | :--- | | Total risk-based capital | 16.3% | 10.0% | | Tier 1 risk-based capital | 15.0% | 8.0% | | Common equity tier 1 capital | 15.0% | 6.5% | | Tier 1 leverage ratio | 8.8% | 5.0% | - Shareholders' equity increased to **$108.3 million** at March 31, 2019 from **$96.2 million** at June 30, 2018, primarily due to net income of **$13.3 million**[159](index=159&type=chunk) [Item 3. Quantitative and Qualitative Disclosures About Market Risk](index=56&type=section&id=Item%203.%20Quantitative%20and%20Qualitative%20Disclosures%20About%20Market%20Risk) This section is not applicable as the company is a smaller reporting company - Disclosure is not applicable to smaller reporting companies[195](index=195&type=chunk) [Item 4. Controls and Procedures](index=56&type=section&id=Item%204.%20Controls%20and%20Procedures) Management concluded that disclosure controls and procedures were effective, with no material changes to internal control over financial reporting - The CEO and CFO concluded that the Company's disclosure controls and procedures were effective as of the end of the reporting period[196](index=196&type=chunk) - There were no changes in internal control over financial reporting during the last fiscal quarter that materially affected, or are reasonably likely to materially affect, the Company's internal control over financial reporting[198](index=198&type=chunk) PART II. OTHER INFORMATION [Item 1. Legal Proceedings](index=58&type=section&id=Item%201.%20Legal%20Proceedings) The company and its subsidiaries are not currently engaged in any material legal proceedings - Greene County Bancorp, Inc. and its subsidiaries are not engaged in any material legal proceedings at the present time[200](index=200&type=chunk) [Item 1A. Risk Factors](index=58&type=section&id=Item%201A.%20Risk%20Factors) This section is not applicable as the company is a smaller reporting company - Disclosure is not applicable to smaller reporting companies[200](index=200&type=chunk) [Item 2. Unregistered Sales of Equity Securities and Use of Proceeds](index=58&type=section&id=Item%202.%20Unregistered%20Sales%20of%20Equity%20Securities%20and%20Use%20of%20Proceeds) This section is not applicable - This item is not applicable[200](index=200&type=chunk) [Item 5. Other Information](index=58&type=section&id=Item%205.%20Other%20Information) There were no material changes to procedures for security holder recommendations for Board of Directors nominees during the quarter - There were no material changes to the procedures for security holders to recommend nominees to the Board of Directors during the period[200](index=200&type=chunk) [Item 6. Exhibits](index=58&type=section&id=Item%206.%20Exhibits) The report lists required exhibits, including CEO and CFO certifications and XBRL data files - Exhibits filed with the report include Certifications from the CEO and CFO pursuant to Rule 13a-14(a)/15d-14(a) and U.S.C. Section 1350, as well as XBRL financial data[200](index=200&type=chunk)

FORM 10-Q U.S. SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ☒ QUARTERLY REPORT UNDER SECTION 13 OF 15(d) OF THE SECURITIES AND EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED DECEMBER 31, 2018 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OF 15(d) OF THE SECURITIES EXCHANGE ACT GREENE COUNTY BANCORP, INC. (Exact name of registrant as specified in its charter) Commission file number 0-25165 United States 14-1809721 (State or other jurisdiction of incorporation or organization) (I.R.S. Employ ...