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Puri Sumeet

Disclosed activity across 1 company

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19560
SEC CIK
0001991521

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Eos Energy Enterprises, Inc.EOSE · Entity 4901Chief Accounting OfficerSeptember 14, 2026September 16, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Eos Energy Enterprises, Inc.

Report date September 14, 2026 · Filed September 16, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect280,195 Ending reported balance After 2026-09-16 transaction · row 2
2 source rows · reconciled sequence

Row 1 · 2026-09-14 · Exercise / conversion · Acquired 87,500 · Balance 323,945

F1: On July 5, 2024, the Reporting Person was granted performance-based restricted stock units ("2024 PRSU Awards"). The 2024 PRSU Awards are eligible to vest in up to two installments based on the total shareholder return of the Issuer over two- and three-year performance periods, each commencing on July 5, 2024. On September 14, 2026, the Compensation Committee of the Issuer's Board of Directors certified the achievement of the first performance period, resulting in the vesting of these shares.

Row 2 · 2026-09-16 · Sale · Disposed 43,750 · Balance 280,195

F2: The sales reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 15, 2025 to cover estimated tax withholding obligations in connection with the vesting of performance-based restricted stock units.

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.85 to $4.16, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

Performance-Based Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect0 Reported balance After 2026-09-14 transaction · row 3 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 3 · 2026-09-14 · Exercise / conversion · Disposed 87,500 · Balance 0

F1: On July 5, 2024, the Reporting Person was granted performance-based restricted stock units ("2024 PRSU Awards"). The 2024 PRSU Awards are eligible to vest in up to two installments based on the total shareholder return of the Issuer over two- and three-year performance periods, each commencing on July 5, 2024. On September 14, 2026, the Compensation Committee of the Issuer's Board of Directors certified the achievement of the first performance period, resulting in the vesting of these shares.

F4: Represents the outstanding awarded and vested units pursuant to the 2024 PRSU Awards dated July 25, 2024 related to the achievement of certain total shareholder return objectives.

F5: Not applicable.

Filing footnotes · ownership attribution and instrument terms

F1: On July 5, 2024, the Reporting Person was granted performance-based restricted stock units ("2024 PRSU Awards"). The 2024 PRSU Awards are eligible to vest in up to two installments based on the total shareholder return of the Issuer over two- and three-year performance periods, each commencing on July 5, 2024. On September 14, 2026, the Compensation Committee of the Issuer's Board of Directors certified the achievement of the first performance period, resulting in the vesting of these shares.

F2: The sales reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 15, 2025 to cover estimated tax withholding obligations in connection with the vesting of performance-based restricted stock units.

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.85 to $4.16, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F4: Represents the outstanding awarded and vested units pursuant to the 2024 PRSU Awards dated July 25, 2024 related to the achievement of certain total shareholder return objectives.

F5: Not applicable.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
September 16, 2026 Filed Sep 16, 2026 20:28 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 SaleCommon Stock 43,750 $3.92 $171,500.00
Disclosure

SEC source: 0001628280-26-062273 · wk-form4_1789590505.xml · nonDerivative · entry 2

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 280,195

F2 · kind: The sales reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 15, 2025 to cover estimated tax withholding obligations in connection with the vesting of performance-based restricted stock units.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.85 to $4.16, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

Read SEC document
September 14, 2026 Filed Sep 16, 2026 20:28 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 Exercise / conversionPerformance-Based Restricted Stock Units · Derivative 87,500 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-062273 · wk-form4_1789590505.xml · derivative · entry 3

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 87,500 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: On July 5, 2024, the Reporting Person was granted performance-based restricted stock units ("2024 PRSU Awards"). The 2024 PRSU Awards are eligible to vest in up to two installments based on the total shareholder return of the Issuer over two- and three-year performance periods, each commencing on July 5, 2024. On September 14, 2026, the Compensation Committee of the Issuer's Board of Directors certified the achievement of the first performance period, resulting in the vesting of these shares.

F1 · derivative.exercise_price: On July 5, 2024, the Reporting Person was granted performance-based restricted stock units ("2024 PRSU Awards"). The 2024 PRSU Awards are eligible to vest in up to two installments based on the total shareholder return of the Issuer over two- and three-year performance periods, each commencing on July 5, 2024. On September 14, 2026, the Compensation Committee of the Issuer's Board of Directors certified the achievement of the first performance period, resulting in the vesting of these shares.

F4 · shares: Represents the outstanding awarded and vested units pursuant to the 2024 PRSU Awards dated July 25, 2024 related to the achievement of certain total shareholder return objectives.

F5 · derivative.exercise_date: Not applicable.

F5 · derivative.expiration_date: Not applicable.

Read SEC document
September 14, 2026 Filed Sep 16, 2026 20:28 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 Exercise / conversionCommon Stock 87,500 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-062273 · wk-form4_1789590505.xml · nonDerivative · entry 1

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 323,945

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: On July 5, 2024, the Reporting Person was granted performance-based restricted stock units ("2024 PRSU Awards"). The 2024 PRSU Awards are eligible to vest in up to two installments based on the total shareholder return of the Issuer over two- and three-year performance periods, each commencing on July 5, 2024. On September 14, 2026, the Compensation Committee of the Issuer's Board of Directors certified the achievement of the first performance period, resulting in the vesting of these shares.

Read SEC document
September 09, 2026 Filed Sep 9, 2026 22:05 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 SaleCommon Stock 34,167 $4.13 $141,109.71
Disclosure

SEC source: 0001628280-26-061188 · wk-form4_1788991502.xml · nonDerivative · entry 2

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 236,445

F2 · kind: The sales reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 15, 2025 to cover estimated tax withholding obligations in connection with the vesting of restricted stock units.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.07 to $4.27, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

Read SEC document
September 05, 2026 Filed Sep 9, 2026 22:05 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 Exercise / conversionRestricted Stock Units · Derivative 68,333 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-061188 · wk-form4_1788991502.xml · derivative · entry 3

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 68,333 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · security: The reporting person received a grant of RSUs under the Issuer's 2020 Incentive Plan, which will vest in three installments on each of the first three anniversaries of the grant date, subject to continued service through each vesting date.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock.

F5 · derivative.exercise_date: Not applicable.

F5 · derivative.expiration_date: Not applicable.

Read SEC document
September 05, 2026 Filed Sep 9, 2026 22:05 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 Exercise / conversionCommon Stock 68,333 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-061188 · wk-form4_1788991502.xml · nonDerivative · entry 1

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 270,612

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock.

Read SEC document
August 24, 2026 Filed Aug 26, 2026 20:06 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 GrantRestricted Stock Units · Derivative 65,044 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-059080 · wk-form4_1787774810.xml · derivative · entry 1

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,044

Underlying: Common Stock · 65,044 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock.

F2 · derivative.exercise_date: The reporting person received a grant of RSUs under the Issuer's 2020 Incentive Plan, which will vest in three installments on each of the first three anniversaries of the grant date, subject to continued service through each vesting date.

F3 · derivative.expiration_date: Not applicable.

Read SEC document
July 28, 2026 Filed Jul 28, 2026 21:03 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 SaleCommon Stock 29,167 $3.36 $98,001.12
Disclosure

SEC source: 0001628280-26-050230 · wk-form4_1785272585.xml · nonDerivative · entry 2

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 202,279

F2 · kind: The sales reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 15, 2025 to cover estimated tax withholding obligations in connection with the vesting of restricted stock units.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.23 to $3.44, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

Read SEC document
July 25, 2026 Filed Jul 28, 2026 21:03 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 Exercise / conversionRestricted Stock Units · Derivative 58,334 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-050230 · wk-form4_1785272585.xml · derivative · entry 3

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 58,333

Underlying: Common Stock · 58,334 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · security: The reporting person received a grant of RSUs under the Issuer's 2020 Incentive Plan, which will vest in three installments on each of the first three anniversaries of the grant date, subject to continued service through each vesting date.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock.

F5 · derivative.exercise_date: Not applicable.

F5 · derivative.expiration_date: Not applicable.

Read SEC document
July 25, 2026 Filed Jul 28, 2026 21:03 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 Exercise / conversionCommon Stock 58,334 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-050230 · wk-form4_1785272585.xml · nonDerivative · entry 1

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 231,446

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock.

Read SEC document
June 30, 2026 Filed Jun 30, 2026 21:07 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 SaleCommon Stock 8,823 $5.86 $51,702.78
Disclosure

SEC source: 0001628280-26-046292 · wk-form4_1782853651.xml · nonDerivative · entry 2

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 173,112

F2 · kind: The sales reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 12, 2025 to cover estimated tax withholding obligations in connection with the vesting of restricted stock units.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.68 to $6.12, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

Read SEC document
June 26, 2026 Filed Jun 30, 2026 21:07 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 Exercise / conversionRestricted Stock Units · Derivative 17,545 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-046292 · wk-form4_1782853651.xml · derivative · entry 3

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 35,389

Underlying: Common Stock · 17,545 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · security: The reporting person received a grant of RSUs under the Issuer's 2020 Incentive Plan, which will vest in three equal installments on each of the first three anniversaries of the grant date, subject to continued service through each vesting date.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock.

F5 · derivative.exercise_date: Not applicable.

F5 · derivative.expiration_date: Not applicable.

Read SEC document
June 26, 2026 Filed Jun 30, 2026 21:07 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 Exercise / conversionCommon Stock 17,645 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-046292 · wk-form4_1782853651.xml · nonDerivative · entry 1

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 181,935

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock.

Read SEC document
September 08, 2025 Filed Sep 8, 2025 20:47 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 SaleCommon Stock 20,000 $7.25 $145,000.00
Disclosure

SEC source: 0001991521-25-000005 · wk-form4_1757364456.xml · nonDerivative · entry 3

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 164,290

F4 · kind: The transaction reported represents a sale by the reporting person to satisfy estimated tax liabilities arising from vesting of restricted stock units on July 25, 2025 and September 5, 2025, to the extent the estimated tax liabilities exceeded the amount sold on July 29, 2025 and September 8, 2025 pursuant to the Rule 10b5-1 trading plan adopted by the reporting person on March 14, 2025.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.20 to $7.37, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

Read SEC document
September 08, 2025 Filed Sep 8, 2025 20:47 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 SaleCommon Stock 20,501 $6.98 $143,096.98
Disclosure

SEC source: 0001991521-25-000005 · wk-form4_1757364456.xml · nonDerivative · entry 2

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 184,290

F2 · kind: The transaction reported represents a sale effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 14, 2025 to cover estimated tax withholding obligations in connection with the vesting of restricted stock units.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.87 to $7.41, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

Read SEC document
September 05, 2025 Filed Sep 8, 2025 20:47 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 Exercise / conversionRestricted Stock Units · Derivative 68,334 $0.00 $0.00
Disclosure

SEC source: 0001991521-25-000005 · wk-form4_1757364456.xml · derivative · entry 4

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 68,333

Underlying: Common Stock · 68,334 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · security: The reporting person received a grant of RSUs under the Issuer's 2020 Incentive Plan, which will vest in three equal installments on each of the first three anniversaries of the grant date, subject to continued service through each vesting date.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock.

F7 · derivative.exercise_date: Not applicable.

F7 · derivative.expiration_date: Not applicable.

Read SEC document
September 05, 2025 Filed Sep 8, 2025 20:47 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 Exercise / conversionCommon Stock 68,334 $0.00 $0.00
Disclosure

SEC source: 0001991521-25-000005 · wk-form4_1757364456.xml · nonDerivative · entry 1

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 204,791

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock.

Read SEC document
July 29, 2025 Filed Jul 30, 2025 01:42 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 SaleCommon Stock 17,500 $5.94 $103,950.00
Disclosure

SEC source: 0001805077-25-000146 · wk-form4_1753839749.xml · nonDerivative · entry 2

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 136,457

F2 · kind: The sales reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 14, 2025 to cover estimated tax withholding obligations in connection with the vesting of restricted stock units.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.83 to $6.29, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

Read SEC document
July 25, 2025 Filed Jul 30, 2025 01:42 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 Exercise / conversionRestricted Stock Units · Derivative 58,333 $0.00 $0.00
Disclosure

SEC source: 0001805077-25-000146 · wk-form4_1753839749.xml · derivative · entry 3

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 116,667

Underlying: Common Stock · 58,333 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · security: The reporting person received a grant of RSUs under the Issuer's 2020 Incentive Plan, which will vest in three equal installments on each of the first three anniversaries of the grant date, subject to continued service through each vesting date.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock.

F5 · derivative.exercise_date: Not applicable.

F5 · derivative.expiration_date: Not applicable.

Read SEC document
July 25, 2025 Filed Jul 30, 2025 01:42 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 Exercise / conversionCommon Stock 58,333 $0.00 $0.00
Disclosure

SEC source: 0001805077-25-000146 · wk-form4_1753839749.xml · nonDerivative · entry 1

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 153,957

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock.

Read SEC document
June 26, 2025 Filed Jun 27, 2025 20:08 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 GrantRestricted Stock Units · Derivative 52,934 $0.00 $0.00
Disclosure

SEC source: 0001805077-25-000127 · wk-form4_1751054901.xml · derivative · entry 1

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,934

Underlying: Common Stock · 52,934 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock.

F2 · derivative.exercise_date: The reporting person received a grant of RSUs under the Issuer's 2020 Incentive Plan, which will vest in three equal installments on each of the first three anniversaries of the grant date, subject to continued service through each vesting date.

F3 · derivative.expiration_date: Not applicable.

Read SEC document
May 16, 2025 Filed May 16, 2025 22:12 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 SaleCommon Stock 36,173 $6.86 $248,146.78
Disclosure

SEC source: 0001805077-25-000085 · wk-form4_1747433541.xml · nonDerivative · entry 1

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,624

F1 · shares: The sales reported on this Form 4 represent the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of performance-based restricted stock units. The Issuer has adopted a "sell-to-cover" policy to satisfy the tax withholding obligations of the Reporting Person. Such sales were automatic and not at the discretion of the Reporting Person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.73 to $7.10, inclusive.

Read SEC document
May 08, 2025 Filed May 12, 2025 21:36 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 Exercise / conversionPerformance-Based Restricted Stock Units · Derivative 82,250 $0.00 $0.00
Disclosure

SEC source: 0001805077-25-000056 · wk-form4_1747085787.xml · derivative · entry 3

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 82,250 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · security: On July 25, 2024, the reporting person was granted PRSUs to receive 87,500 shares of common stock, which vest based on the achievement of certain performance milestones in the Company's June 21, 2024 credit and guaranty agreement. On May 8th, 2025, the Company's Compensation Committee certified the achievement of 15 of the 16 milestones and 82,250 PRSUs vested. The remaining 5,250 PRSUs associated with the final milestone have been forfeited.

F1 · derivative.exercise_price: Each performance-based restricted stock unit ("PRSU") represents a contingent right to receive one share of common stock.

F3 · derivative.exercise_date: Not applicable.

F3 · derivative.expiration_date: Not applicable.

Read SEC document
May 08, 2025 Filed May 12, 2025 21:36 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 GrantPerformance-Based Restricted Stock Units · Derivative 82,250 $0.00 $0.00
Disclosure

SEC source: 0001805077-25-000056 · wk-form4_1747085787.xml · derivative · entry 2

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 82,250

Underlying: Common Stock · 82,250 shares

Expires not disclosed

F2 · security: On July 25, 2024, the reporting person was granted PRSUs to receive 87,500 shares of common stock, which vest based on the achievement of certain performance milestones in the Company's June 21, 2024 credit and guaranty agreement. On May 8th, 2025, the Company's Compensation Committee certified the achievement of 15 of the 16 milestones and 82,250 PRSUs vested. The remaining 5,250 PRSUs associated with the final milestone have been forfeited.

F1 · derivative.exercise_price: Each performance-based restricted stock unit ("PRSU") represents a contingent right to receive one share of common stock.

F3 · derivative.exercise_date: Not applicable.

F3 · derivative.expiration_date: Not applicable.

Read SEC document
May 08, 2025 Filed May 12, 2025 21:36 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 Exercise / conversionCommon Stock 82,250 $0.00 $0.00
Disclosure

SEC source: 0001805077-25-000056 · wk-form4_1747085787.xml · nonDerivative · entry 1

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 131,797

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each performance-based restricted stock unit ("PRSU") represents a contingent right to receive one share of common stock.

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September 05, 2024 Filed Sep 9, 2024 20:07 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 Exercise / conversionRestricted Stock Units · Derivative 68,333 $0.00 $0.00
Disclosure

SEC source: 0001805077-24-000102 · wk-form4_1725912436.xml · derivative · entry 3

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 136,667

Underlying: Common Stock · 68,333 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · security: The reporting person received a grant of RSUs under the Issuer's 2020 Incentive Plan, as amended from time to time, which will vest in three equal installments on each of the first three anniversaries of the grant date, or if earlier, upon a Change in Control (as defined in the 2020 Incentive Plan), subject to continued service through each vesting date.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of common stock.

F4 · derivative.exercise_date: Not applicable.

F4 · derivative.expiration_date: Not applicable.

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September 05, 2024 Filed Sep 9, 2024 20:07 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 Tax withholdingCommon Stock 18,786 $2.33 $43,771.38
Disclosure

SEC source: 0001805077-24-000102 · wk-form4_1725912436.xml · nonDerivative · entry 2

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,547

F1 · shares: Represents shares withheld from vested restricted stock unit ("RSU") award to satisfy tax obligations, as permitted by the Company's Amended and Restated 2020 Incentive Plan.

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September 05, 2024 Filed Sep 9, 2024 20:07 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 Exercise / conversionCommon Stock 68,333 $0.00 $0.00
Disclosure

SEC source: 0001805077-24-000102 · wk-form4_1725912436.xml · nonDerivative · entry 1

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,333

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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July 25, 2024 Filed Jul 30, 2024 00:23 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 GrantRestricted Stock Units · Derivative 175,000 $0.00 $0.00
Disclosure

SEC source: 0001805077-24-000077 · wk-form4_1722299024.xml · derivative · entry 1

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 175,000

Underlying: Common Stock · 175,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock.

F2 · derivative.exercise_date: The reporting person received a grant of RSUs under the Issuer's 2020 Incentive Plan, which will vest in three equal installments on each of the first three anniversaries of the grant date, subject to continued service through each vesting date.

F3 · derivative.expiration_date: Not applicable.

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September 05, 2023 Filed Sep 7, 2023 20:52 UTC Eos Energy Enterprises, Inc. EOSE · Entity 4901 GrantRestricted Stock Units · Derivative 205,000 $0.00 $0.00
Disclosure

SEC source: 0001628280-23-031732 · wk-form4_1694119939.xml · derivative · entry 1

Puri Sumeet · CIK 0001991521 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 205,000

Underlying: Common Stock · 205,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ( "RSU") represents a contingent right to receive one share of common stock.

F2 · derivative.exercise_date: The reporting person received a grant of RSUs under the Issuer's 2020 Incentive Plan, as amended from time to time, which will vest in three equal installments on each of the first three anniversaries of the grant date, or if earlier, upon a Change in Control (as defined in the 2020 Incentive Plan), subject to continued service through each vesting date.

F3 · derivative.expiration_date: Not applicable.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.