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Casulli Edward T.

Disclosed activity across 1 company

Tapewire entity
43742
SEC CIK
0002102527

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Talen Energy CorpTLN · Entity 3381SVP & Chief Nuclear OfficerMay 22, 2026May 27, 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.

Talen Energy Corp

Report date May 22, 2026 · Filed May 27, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect7,205 Ending reported balance After 2026-05-22 transaction · row 3
3 source rows · reconciled sequence

Row 1 · 2026-05-22 · Exercise / conversion · Acquired 2,550 · Balance 6,153

F1: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001 ("common stock") of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors (the "Committee") pursuant to the terms of the Plan. The reporting person's RSUs were granted on August 1, 2023 and the final installment of the reporting person's RSUs vested on May 17, 2026, the third anniversary of the vesting commencement date, with 60% of the after-tax value of such RSUs settled in cash.

Row 2 · 2026-05-22 · Exercise / conversion · Acquired 3,826 · Balance 9,979

F2: Each performance-based restricted stock unit ("PSU") was issued under the Plan and represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by the Committee pursuant to the terms of the Plan. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award. The number of shares in this row represents the actual level of performance (200%). The reporting person's PSUs were granted on August 1, 2023 and they vested on May 17, 2026, the third anniversary of the vesting commencement date, with 60% of the after-tax value of such PSUs settled in cash.

Row 3 · 2026-05-22 · Tax withholding · Disposed 2,774 · Balance 7,205

F3: In an exempt disposition to the Company under Rule 16b-3(e), the reporting person remitted shares to the Company in connection with the satisfaction of tax withholding obligations arising out of the vesting of the RSUs and PSUs.

2023 Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect0 Reported balance After 2026-05-22 transaction · row 4 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 4 · 2026-05-22 · Exercise / conversion · Disposed 6,376 · Balance 0

F1: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001 ("common stock") of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors (the "Committee") pursuant to the terms of the Plan. The reporting person's RSUs were granted on August 1, 2023 and the final installment of the reporting person's RSUs vested on May 17, 2026, the third anniversary of the vesting commencement date, with 60% of the after-tax value of such RSUs settled in cash.

2023 Performance-Based Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect0 Reported balance After 2026-05-22 transaction · row 5 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 5 · 2026-05-22 · Exercise / conversion · Disposed 9,564 · Balance 0

F2: Each performance-based restricted stock unit ("PSU") was issued under the Plan and represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by the Committee pursuant to the terms of the Plan. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award. The number of shares in this row represents the actual level of performance (200%). The reporting person's PSUs were granted on August 1, 2023 and they vested on May 17, 2026, the third anniversary of the vesting commencement date, with 60% of the after-tax value of such PSUs settled in cash.

Filing footnotes · ownership attribution and instrument terms

F1: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001 ("common stock") of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors (the "Committee") pursuant to the terms of the Plan. The reporting person's RSUs were granted on August 1, 2023 and the final installment of the reporting person's RSUs vested on May 17, 2026, the third anniversary of the vesting commencement date, with 60% of the after-tax value of such RSUs settled in cash.

F2: Each performance-based restricted stock unit ("PSU") was issued under the Plan and represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by the Committee pursuant to the terms of the Plan. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award. The number of shares in this row represents the actual level of performance (200%). The reporting person's PSUs were granted on August 1, 2023 and they vested on May 17, 2026, the third anniversary of the vesting commencement date, with 60% of the after-tax value of such PSUs settled in cash.

F3: In an exempt disposition to the Company under Rule 16b-3(e), the reporting person remitted shares to the Company in connection with the satisfaction of tax withholding obligations arising out of the vesting of the RSUs and PSUs.

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
May 22, 2026 Filed May 27, 2026 22:32 UTC Talen Energy Corp TLN · Entity 3381 Exercise / conversion2023 Performance-Based Restricted Stock Units · Derivative 9,564 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-038572 · wk-form4_1779921145.xml · derivative · entry 5

Casulli Edward T. · CIK 0002102527 · SVP & Chief Nuclear Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,564 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 · derivative.exercise_price: Each performance-based restricted stock unit ("PSU") was issued under the Plan and represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by the Committee pursuant to the terms of the Plan. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award. The number of shares in this row represents the actual level of performance (200%). The reporting person's PSUs were granted on August 1, 2023 and they vested on May 17, 2026, the third anniversary of the vesting commencement date, with 60% of the after-tax value of such PSUs settled in cash.

F2 · derivative.exercise_date: Each performance-based restricted stock unit ("PSU") was issued under the Plan and represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by the Committee pursuant to the terms of the Plan. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award. The number of shares in this row represents the actual level of performance (200%). The reporting person's PSUs were granted on August 1, 2023 and they vested on May 17, 2026, the third anniversary of the vesting commencement date, with 60% of the after-tax value of such PSUs settled in cash.

F2 · derivative.expiration_date: Each performance-based restricted stock unit ("PSU") was issued under the Plan and represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by the Committee pursuant to the terms of the Plan. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award. The number of shares in this row represents the actual level of performance (200%). The reporting person's PSUs were granted on August 1, 2023 and they vested on May 17, 2026, the third anniversary of the vesting commencement date, with 60% of the after-tax value of such PSUs settled in cash.

Read SEC document
May 22, 2026 Filed May 27, 2026 22:32 UTC Talen Energy Corp TLN · Entity 3381 Exercise / conversion2023 Restricted Stock Units · Derivative 6,376 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-038572 · wk-form4_1779921145.xml · derivative · entry 4

Casulli Edward T. · CIK 0002102527 · SVP & Chief Nuclear Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,376 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 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001 ("common stock") of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors (the "Committee") pursuant to the terms of the Plan. The reporting person's RSUs were granted on August 1, 2023 and the final installment of the reporting person's RSUs vested on May 17, 2026, the third anniversary of the vesting commencement date, with 60% of the after-tax value of such RSUs settled in cash.

F1 · derivative.exercise_date: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001 ("common stock") of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors (the "Committee") pursuant to the terms of the Plan. The reporting person's RSUs were granted on August 1, 2023 and the final installment of the reporting person's RSUs vested on May 17, 2026, the third anniversary of the vesting commencement date, with 60% of the after-tax value of such RSUs settled in cash.

F1 · derivative.expiration_date: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001 ("common stock") of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors (the "Committee") pursuant to the terms of the Plan. The reporting person's RSUs were granted on August 1, 2023 and the final installment of the reporting person's RSUs vested on May 17, 2026, the third anniversary of the vesting commencement date, with 60% of the after-tax value of such RSUs settled in cash.

Read SEC document
May 22, 2026 Filed May 27, 2026 22:32 UTC Talen Energy Corp TLN · Entity 3381 Tax withholdingCommon Stock 2,774 $324.21 $899,358.54
Disclosure

SEC source: 0001628280-26-038572 · wk-form4_1779921145.xml · nonDerivative · entry 3

Casulli Edward T. · CIK 0002102527 · SVP & Chief Nuclear Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,205

F3 · kind: In an exempt disposition to the Company under Rule 16b-3(e), the reporting person remitted shares to the Company in connection with the satisfaction of tax withholding obligations arising out of the vesting of the RSUs and PSUs.

Read SEC document
May 22, 2026 Filed May 27, 2026 22:32 UTC Talen Energy Corp TLN · Entity 3381 Exercise / conversionCommon Stock 3,826 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-038572 · wk-form4_1779921145.xml · nonDerivative · entry 2

Casulli Edward T. · CIK 0002102527 · SVP & Chief Nuclear Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,979

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 · price: Each performance-based restricted stock unit ("PSU") was issued under the Plan and represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by the Committee pursuant to the terms of the Plan. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award. The number of shares in this row represents the actual level of performance (200%). The reporting person's PSUs were granted on August 1, 2023 and they vested on May 17, 2026, the third anniversary of the vesting commencement date, with 60% of the after-tax value of such PSUs settled in cash.

Read SEC document
May 22, 2026 Filed May 27, 2026 22:32 UTC Talen Energy Corp TLN · Entity 3381 Exercise / conversionCommon Stock 2,550 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-038572 · wk-form4_1779921145.xml · nonDerivative · entry 1

Casulli Edward T. · CIK 0002102527 · SVP & Chief Nuclear Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,153

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") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001 ("common stock") of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors (the "Committee") pursuant to the terms of the Plan. The reporting person's RSUs were granted on August 1, 2023 and the final installment of the reporting person's RSUs vested on May 17, 2026, the third anniversary of the vesting commencement date, with 60% of the after-tax value of such RSUs settled in cash.

Read SEC document
February 26, 2026 Filed Mar 2, 2026 22:47 UTC Talen Energy Corp TLN · Entity 3381 Grant2026 Performance-Based Restricted Stock Units · Derivative 10,730 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-013408 · wk-form4_1772491656.xml · derivative · entry 2

Casulli Edward T. · CIK 0002102527 · SVP & Chief Nuclear Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,730

Underlying: Common Stock · 10,730 shares

Expires not disclosed

F3 · derivative.exercise_price: Each Performance-Based Restricted Stock Unit ("PSU") was issued under the Plan and represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by the Committee pursuant to the terms of the Plan.

F4 · derivative.exercise_date: Represents PSUs that will vest subject to the reporting person's (i) continued service and (ii) achievement of applicable performance goals. 4,292 of the PSUs will be eligible to vest based on performance as of February 25, 2028 and 6,438 of the PSUs will be eligible to vest based on performance as of February 25, 2029. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award, plus, if the maximum performance level is exceeded, an additional number of PSUs in an amount equal to the reporting person's proportionate share among the participating executive officers of 3% of the Company's market capitalization above the maximum performance level. The numbers of PSUs and shares of common stock in this row represent the maximum level of performance (or 200%) for each award.

F4 · derivative.expiration_date: Represents PSUs that will vest subject to the reporting person's (i) continued service and (ii) achievement of applicable performance goals. 4,292 of the PSUs will be eligible to vest based on performance as of February 25, 2028 and 6,438 of the PSUs will be eligible to vest based on performance as of February 25, 2029. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award, plus, if the maximum performance level is exceeded, an additional number of PSUs in an amount equal to the reporting person's proportionate share among the participating executive officers of 3% of the Company's market capitalization above the maximum performance level. The numbers of PSUs and shares of common stock in this row represent the maximum level of performance (or 200%) for each award.

Read SEC document
February 26, 2026 Filed Mar 2, 2026 22:47 UTC Talen Energy Corp TLN · Entity 3381 Grant2026 Restricted Stock Units · Derivative 3,577 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-013408 · wk-form4_1772491656.xml · derivative · entry 1

Casulli Edward T. · CIK 0002102527 · SVP & Chief Nuclear Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,577

Underlying: Common Stock · 3,577 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001 ("common stock"), of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors (the "Committee") pursuant to the terms of the Plan.

F2 · derivative.exercise_date: Represents 1,430 RSUs that will vest on February 25, 2027, 1,431 RSUs that will vest on February 25, 2028 and 716 RSUs that will vest on February 25, 2029, in each case subject to the reporting person's continued service.

F2 · derivative.expiration_date: Represents 1,430 RSUs that will vest on February 25, 2027, 1,431 RSUs that will vest on February 25, 2028 and 716 RSUs that will vest on February 25, 2029, in each case subject to the reporting person's continued service.

Read SEC document

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