OCFC · Oceanfirst Financial Corp · Insider Trading

Total includes shares of restricted common stock that have not yet vested.

This Amendment is being filed to correct the number of securities sold by Mr. Buran.

This form reflects increases in beneficial ownership resulting from exempt acquisitions pursuant to Rule 16b-3(c).

Shares sold to facilitate rollover of assets from 401(k) Plan.

Represents shares of Issuer Common Stock received pursuant to the Agreement and Plan of Merger, dated December 29, 2025 (the "Merger Agreement"), by and among OceanFirst Financial Corp. (the "Issuer"), Flushing Financial Corporation ("FFIC"), and Apollo Merger Sub Corp. ("Merger Sub"). At the effective time of the merger (the "Effective Time"), each share of FFIC common stock outstanding immediately prior to the Effective Time was converted into the right to receive 0.85 shares of Issuer Common Stock (the "Exchange Ratio") with cash paid in lieu of any fractional shares, in accordance with the Merger Agreement.

Reflects OceanFirst securities acquired pursuant to the terms of the Merger Agreement and agreements contemplated thereby.

Includes 4,080 restricted stock units acquired pursuant to the terms of the Merger Agreement and agreements contemplated thereby, which cliff vest on January 30, 2027.

On June 1, 2026, OceanFirst Financial Corp. ("OceanFirst") completed its previously announced merger with Flushing Financial Corporation ("Flushing") pursuant to the Agreement and Plan of Merger, dated December 29, 2025 (the "Merger Agreement"), by and among OceanFirst, Flushing, and Apollo Merger Sub Corp. (the "Merger"). At the effective time of the Merger, each share of Flushing common stock was converted into the right to receive 0.85 of a share (the "Exchange Ratio") of OceanFirst common stock with cash paid in lieu of any fractional share.

Reflects OceanFirst securities acquired pursuant to the terms of the Merger Agreement and agreements contemplated thereby.

On June 1, 2026, OceanFirst Financial Corp. ("OceanFirst") completed its previously announced merger with Flushing Financial Corporation ("Flushing") pursuant to the Agreement and Plan of Merger, dated December 29, 2025 (the "Merger Agreement"), by and among OceanFirst, Flushing, and Apollo Merger Sub Corp. (the "Merger"). At the effective time of the Merger, each share of Flushing common stock was converted into the right to receive 0.85 of a share (the "Exchange Ratio") of OceanFirst common stock with cash paid in lieu of any fractional share.

Reflects OceanFirst securities acquired pursuant to the terms of the Merger Agreement and agreements contemplated thereby.

Represents shares of Issuer Common Stock received pursuant to the Agreement and Plan of Merger, dated December 29, 2025 (the "Merger Agreement"), by and among OceanFirst Financial Corp. (the "Issuer"), Flushing Financial Corporation ("FFIC"), and Apollo Merger Sub Corp. ("Merger Sub"). At the effective time of the merger (the "Effective Time"), each share of FFIC common stock outstanding immediately prior to the Effective Time was converted into the right to receive 0.85 shares of Issuer Common Stock (the "Exchange Ratio") with cash paid in lieu of any fractional shares, in accordance with the Merger Agreement.

Reflects OceanFirst securities acquired pursuant to the terms of the Merger Agreement and agreements contemplated thereby.

Includes 4,080 restricted stock units acquired pursuant to the terms of the Merger Agreement and agreements contemplated thereby, which cliff vest on January 30, 2027.

Represents shares of Issuer Common Stock received pursuant to the Agreement and Plan of Merger, dated December 29, 2025 (the "Merger Agreement"), by and among OceanFirst Financial Corp. (the "Issuer"), Flushing Financial Corporation ("FFIC"), and Apollo Merger Sub Corp. ("Merger Sub"). At the effective time of the merger (the "Effective Time"), each share of FFIC common stock outstanding immediately prior to the Effective Time was converted into the right to receive 0.85 shares of Issuer Common Stock (the "Exchange Ratio") with cash paid in lieu of any fractional shares, in accordance with the Merger Agreement.

Reflects OceanFirst securities acquired pursuant to the terms of the Merger Agreement and agreements contemplated thereby.

Includes 4,080 restricted stock units acquired pursuant to the terms of the Merger Agreement and agreements contemplated thereby, which cliff vest on January 30, 2027.

Represents shares of Issuer Common Stock received pursuant to the Agreement and Plan of Merger, dated December 29, 2025 (the "Merger Agreement"), by and among OceanFirst Financial Corp. (the "Issuer"), Flushing Financial Corporation ("FFIC"), and Apollo Merger Sub Corp. ("Merger Sub"). At the effective time of the merger (the "Effective Time"), each share of FFIC common stock outstanding immediately prior to the Effective Time was converted into the right to receive 0.85 shares of Issuer Common Stock (the "Exchange Ratio") with cash paid in lieu of any fractional shares, in accordance with the Merger Agreement.

Reflects OceanFirst securities acquired pursuant to the terms of the Merger Agreement and agreements contemplated thereby.

Includes 4,080 restricted stock units acquired pursuant to the terms of the Merger Agreement and agreements contemplated thereby, which cliff vest on January 30, 2027.

Represents shares of Issuer Common Stock received pursuant to the Agreement and Plan of Merger, dated December 29, 2025 (the "Merger Agreement"), by and among OceanFirst Financial Corp. (the "Issuer"), Flushing Financial Corporation ("FFIC"), and Apollo Merger Sub Corp. ("Merger Sub"). At the effective time of the merger (the "Effective Time"), each share of FFIC common stock outstanding immediately prior to the Effective Time was converted into the right to receive 0.85 shares of Issuer Common Stock (the "Exchange Ratio") with cash paid in lieu of any fractional shares, in accordance with the Merger Agreement.

Reflects OceanFirst securities acquired pursuant to the terms of the Merger Agreement and agreements contemplated thereby.

Includes 4,080 restricted stock units acquired pursuant to the terms of the Merger Agreement and agreements contemplated thereby, which cliff vest on January 30, 2027.

The reported shares were withheld to satisfy the tax liability in connection with the vesting of restricted stock. No shares were sold. Total includes unvested restricted stock.

The reported shares were withheld to satisfy the tax liability in connection with the vesting of restricted stock. No shares were sold. Total includes unvested restricted stock.

The reported shares were withheld to satisfy the tax liability in connection with the vesting of restricted stock. No shares were sold. Total includes unvested restricted stock.

The reported shares were withheld to satisfy the tax liability in connection with the vesting of restricted stock. No shares were sold. Total includes unvested restricted stock.

The reported shares were withheld to satisfy the tax liability in connection with the vesting of restricted stock. No shares were sold. Total includes unvested restricted stock.

The reported shares were withheld to satisfy the tax liability in connection with the vesting of restricted stock. No shares were sold. Total includes unvested restricted stock.

The reported shares were withheld to satisfy the tax liability in connection with the vesting of restricted stock. No shares were sold. Total includes unvested restricted stock.

Represents forfeiture of unvested performance based restricted shares, originally awarded on February 28, 2023, for failure to satisfy performance conditions. Total includes other unvested shares that vest in the future.

Represents forfeiture of unvested performance based restricted shares, originally awarded on February 28, 2023, for failure to satisfy performance conditions. Total includes other unvested shares that vest in the future.

Represents forfeiture of unvested performance based restricted shares, originally awarded on February 28, 2023, for failure to satisfy performance conditions. Total includes other unvested shares that vest in the future.

Represents forfeiture of unvested performance based restricted shares, originally awarded on February 28, 2023, for failure to satisfy performance conditions. Total includes other unvested shares that vest in the future.

Represents forfeiture of unvested performance based restricted shares, originally awarded on February 28, 2023, for failure to satisfy performance conditions. Total includes other unvested shares that vest in the future.

Restricted shares awarded. Such shares vest on March 1, 2029 at approximately 33% to 100% depending on the attainment of defined performance criteria for the three year period from January 1, 2026 through December 31, 2028, or are forfeited if threshold performance is not met. Total includes other unvested restricted shares that vest in the future.

Restricted shares awarded. Such shares vest in four equal annual installments beginning on March 1, 2027. Total includes other restricted shares that vest in the future.

Restricted shares awarded. Such shares vest on March 1, 2029 at approximately 33% to 100% depending on the attainment of defined performance criteria for the three year period from January 1, 2026 through December 31, 2028, or are forfeited if threshold performance is not met. Total includes other unvested restricted shares that vest in the future.

Restricted shares awarded. Such shares vest in four equal annual installments beginning on March 1, 2027. Total includes other restricted shares that vest in the future.

Restricted shares awarded. Such shares vest on March 1, 2029 at approximately 33% to 100% depending on the attainment of defined performance criteria for the three year period from January 1, 2026 through December 31, 2028, or are forfeited if threshold performance is not met. Total includes other unvested restricted shares that vest in the future.

Restricted shares awarded. Such shares vest in three equal annual installments beginning on March 1, 2027. Total includes other restricted shares that vest in the future.

Restricted shares awarded. Such shares vest in four equal annual installments beginning on March 1, 2027. Total includes other restricted shares that vest in the future.

Restricted shares awarded. Such shares vest in three equal annual installments beginning on March 1, 2027. Total includes other restricted shares that vest in the future.

Restricted shares awarded. Such shares vest on March 1, 2029 at approximately 33% to 100% depending on the attainment of defined performance criteria for the three year period from January 1, 2026 through December 31, 2028, or are forfeited if threshold performance is not met. Total includes other unvested restricted shares that vest in the future.

Restricted shares awarded. Such shares vest in four equal annual installments beginning on March 1, 2027. Total includes other restricted shares that vest in the future.

Restricted shares awarded. Such shares vest in three equal annual installments beginning on March 1, 2027. Total includes other restricted shares that vest in the future.

Restricted shares awarded. Such shares vest in three equal annual installments beginning on March 1, 2027. Total includes other restricted shares that vest in the future.

Restricted shares awarded. Such shares vest on March 1, 2029 at approximately 33% to 100% depending on the attainment of defined performance criteria for the three year period from January 1, 2026 through December 31, 2028, or are forfeited if threshold performance is not met. Total includes other unvested restricted shares that vest in the future.

Restricted shares awarded. Such shares vest in four equal annual installments beginning on March 1, 2027. Total includes other restricted shares that vest in the future.

Restricted shares awarded. Such shares vest in three equal annual installments beginning on March 1, 2027. Total includes other restricted shares that vest in the future.

Restricted shares awarded. Such shares vest on March 1, 2029 at approximately 33% to 100% depending on the attainment of defined performance criteria for the three year period from January 1, 2026 through December 31, 2028, or are forfeited if threshold performance is not met. Total includes other unvested restricted shares that vest in the future.

Restricted shares awarded. Such shares vest in three equal annual installments beginning on March 1, 2027. Total includes other restricted shares that vest in the future.

Restricted shares awarded. Such shares vest in three equal annual installments beginning on March 1, 2027. Total includes other restricted shares that vest in the future.

Restricted shares awarded. Such shares vest in three equal annual installments beginning on March 1, 2027. Total includes other restricted shares that vest in the future.

Restricted shares awarded. Such shares vest in four equal annual installments beginning on March 1, 2027. Total includes other restricted shares that vest in the future.

Restricted shares awarded. Such shares vest in three equal annual installments beginning on March 1, 2027. Total includes other restricted shares that vest in the future.

Restricted shares awarded. Such shares vest in three equal annual installments beginning on March 1, 2027. Total includes other restricted shares that vest in the future.

Restricted shares awarded. Such shares vest in three equal annual installments beginning on March 1, 2027. Total includes other restricted shares that vest in the future.

Restricted shares awarded. Such shares vest in four equal annual installments beginning on March 1, 2027. Total includes other restricted shares that vest in the future.

Restricted shares awarded. Such shares vest on March 1, 2029 at approximately 33% to 100% depending on the attainment of defined performance criteria for the three year period from January 1, 2026 through December 31, 2028, or are forfeited if threshold performance is not met. Total includes other unvested restricted shares that vest in the future.

Reflects annual allocation of ESOP shares.

Total includes shares of restricted Common stock that have not yet vested.