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person · Reporting owner

Pupkin Sergio A

Disclosed activity across 2 companies

Tapewire entity
71248
SEC CIK
0001813056

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
SEALED AIR CORP/DESEE · Entity 53140Senior Vice PresidentJune 30, 2023July 04, 2023
UNIFIRST CORPUNF · Entity 3907DirectorDecember 16, 2025December 19, 2025

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.

SEALED AIR CORP/DE

Report date June 30, 2023 · Filed July 04, 2023

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect59,277 Reported balance After 2023-06-30 transaction · row 1
1 source row

Row 1 · 2023-06-30 · Tax withholding · Disposed 498 · Balance 59,277

Common StockSEC Table I · non-derivativeIndirect401(k) & Profit-Sharing Plan1,988 Reported balance Holding disclosure · report date 2023-06-30 · row 2 Holding and transaction disclosures are not merged.
1 source row

Row 2 · Balance 1,988

F1: Reflects unit/share adjustments to the reporting person's holdings under the Sealed Air Corporation 401(k) and Profit-Sharing Plan, a tax conditioned plan.

Filing footnotes · ownership attribution and instrument terms

F1: Reflects unit/share adjustments to the reporting person's holdings under the Sealed Air Corporation 401(k) and Profit-Sharing Plan, a tax conditioned plan.

UNIFIRST CORP

Report date December 16, 2025 · Filed December 19, 2025

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect1,777 Reported balance After 2025-12-16 transaction · row 1
1 source row

Row 1 · 2025-12-16 · Grant · Acquired 575 · Balance 1,777

F1: Represents an award of unrestricted Common Stock under the UniFirst Corporation 2023 Stock Option and Incentive Plan.

F2: These are annual grants for fiscal 2026.

Stock Appreciation RightSEC Table II · derivative / convertible security · Conversion / exercise price $174.20 · Expires 2033-12-16Direct987 Reported balance After 2025-12-16 transaction · row 2 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 2 · 2025-12-16 · Grant · Acquired 987 · Balance 987

F2: These are annual grants for fiscal 2026.

F3: This stock appreciation right is exercisable in full on the grant date (12/16/2025) and is required to be settled in stock at the time of exercise. The grant has an expiration date of the earlier of December 16, 2033 or the second anniversary of the date that the grantee ceases to be a member of the Board of Directors.

Filing footnotes · ownership attribution and instrument terms

F1: Represents an award of unrestricted Common Stock under the UniFirst Corporation 2023 Stock Option and Incentive Plan.

F2: These are annual grants for fiscal 2026.

F3: This stock appreciation right is exercisable in full on the grant date (12/16/2025) and is required to be settled in stock at the time of exercise. The grant has an expiration date of the earlier of December 16, 2033 or the second anniversary of the date that the grantee ceases to be a member of the Board of Directors.

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
December 16, 2025 Filed Dec 19, 2025 01:19 UTC UNIFIRST CORP UNF · Entity 3907 GrantStock Appreciation Right · Derivative 987 $0.00 Strike: $174.20 $0.00
Disclosure

SEC source: 0001193125-25-325400 · ownership.xml · derivative · entry 2

Pupkin Sergio A · CIK 0001813056 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 987

Underlying: Common Stock ($0.10 par value) · 987 shares

Expires 2033-12-16

F2 · security: These are annual grants for fiscal 2026.

F3 · security: This stock appreciation right is exercisable in full on the grant date (12/16/2025) and is required to be settled in stock at the time of exercise. The grant has an expiration date of the earlier of December 16, 2033 or the second anniversary of the date that the grantee ceases to be a member of the Board of Directors.

Read SEC document
December 16, 2025 Filed Dec 19, 2025 01:19 UTC UNIFIRST CORP UNF · Entity 3907 GrantCommon Stock 575 $0.00 $0.00
Disclosure

SEC source: 0001193125-25-325400 · ownership.xml · nonDerivative · entry 1

Pupkin Sergio A · CIK 0001813056 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,777

F1 · shares: Represents an award of unrestricted Common Stock under the UniFirst Corporation 2023 Stock Option and Incentive Plan.

F2 · shares: These are annual grants for fiscal 2026.

Read SEC document
November 19, 2024 Filed Nov 22, 2024 01:37 UTC UNIFIRST CORP UNF · Entity 3907 GrantStock Appreciation Right · Derivative 823 $0.00 Strike: $192.83 $0.00
Disclosure

SEC source: 0000950170-24-129873 · ownership.xml · derivative · entry 2

Pupkin Sergio A · CIK 0001813056 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 823

Underlying: Common Stock ($0.10 par value) · 823 shares

Expires 2032-11-19

F2 · security: This stock appreciation right is exercisable in full on the grant date (11/19/2024) and is required to be settled in stock at the time of exercise. The grant has an expiration date of the earlier of November 19, 2032 or the second anniversary of the date that the grantee ceases to be a member of the Board of Directors.

Read SEC document
November 19, 2024 Filed Nov 22, 2024 01:37 UTC UNIFIRST CORP UNF · Entity 3907 GrantCommon Stock 312 $0.00 $0.00
Disclosure

SEC source: 0000950170-24-129873 · ownership.xml · nonDerivative · entry 1

Pupkin Sergio A · CIK 0001813056 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,202

F1 · shares: Represents an award of unrestricted Common Stock under the UniFirst Corporation 2023 Stock Option and Incentive Plan.

Read SEC document
October 31, 2023 Filed Nov 2, 2023 21:00 UTC UNIFIRST CORP UNF · Entity 3907 GrantStock Appreciation Right · Derivative 957 $0.00 Strike: $164.43 $0.00
Disclosure

SEC source: 0001209191-23-054177 · doc4.xml · derivative · entry 2

Pupkin Sergio A · CIK 0001813056 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 957

Underlying: Common Stock ($0.10 par value) · 957 shares

Expires 2031-10-31

F2 · security: This stock appreciation right is exercisable in full on the grant date (10/31/2023) and is required to be settled in stock at the time of exercise. The grant has an expiration date of the earlier of October 31, 2031 or the second anniversary of the date that the grantee ceases to be a member of the Board of Directors.

Read SEC document
October 31, 2023 Filed Nov 2, 2023 21:00 UTC UNIFIRST CORP UNF · Entity 3907 GrantCommon Stock 365 $0.00 $0.00
Disclosure

SEC source: 0001209191-23-054177 · doc4.xml · nonDerivative · entry 1

Pupkin Sergio A · CIK 0001813056 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 890

F1 · shares: Represents an award of unrestricted Common Stock under the Amended and Restated UniFirst Corporation 2010 Stock Option and Incentive Plan.

Read SEC document
June 30, 2023 Filed Jul 4, 2023 01:21 UTC SEALED AIR CORP/DE SEE · Entity 53140 Tax withholdingCommon Stock 498 $40.00 $19,920.00
Disclosure

SEC source: 0001127602-23-019763 · form4.xml · nonDerivative · entry 1

Pupkin Sergio A · CIK 0001813056 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,277

Read SEC document
February 24, 2023 Filed Feb 28, 2023 17:32 UTC SEALED AIR CORP/DE SEE · Entity 53140 Tax withholdingCommon Stock 655 $49.06 $32,134.30
Disclosure

SEC source: 0001127602-23-007434 · form4.xml · nonDerivative · entry 1

Pupkin Sergio A · CIK 0001813056 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,775

Read SEC document
February 21, 2023 Filed Feb 24, 2023 02:13 UTC SEALED AIR CORP/DE SEE · Entity 53140 Tax withholdingCommon Stock 6,992 $48.55 $339,461.60
Disclosure

SEC source: 0001127602-23-006922 · form4.xml · nonDerivative · entry 2

Pupkin Sergio A · CIK 0001813056 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,430

Read SEC document
February 21, 2023 Filed Feb 24, 2023 02:13 UTC SEALED AIR CORP/DE SEE · Entity 53140 GrantCommon Stock 15,616 Not disclosed Not disclosed
Disclosure

SEC source: 0001127602-23-006922 · form4.xml · nonDerivative · entry 1

Pupkin Sergio A · CIK 0001813056 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,422

F1 · price: Performance Share Unit Award for the 2020-2022 performance period.

Read SEC document
February 21, 2023 Filed Feb 23, 2023 15:32 UTC SEALED AIR CORP/DE SEE · Entity 53140 GrantCommon Stock 6,211 $48.55 $301,544.05
Disclosure

SEC source: 0001127602-23-006650 · form4.xml · nonDerivative · entry 2

Pupkin Sergio A · CIK 0001813056 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,806

F1 · balance_after: Award made under the 2014 Omnibus Incentive Plan.

Read SEC document
February 10, 2023 Filed Feb 14, 2023 17:42 UTC SEALED AIR CORP/DE SEE · Entity 53140 Tax withholdingCommon Stock 568 $49.30 $28,002.40
Disclosure

SEC source: 0001127602-23-005067 · form4.xml · nonDerivative · entry 2

Pupkin Sergio A · CIK 0001813056 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,595

Read SEC document
February 10, 2023 Filed Feb 14, 2023 17:42 UTC SEALED AIR CORP/DE SEE · Entity 53140 Tax withholdingCommon Stock 585 $49.30 $28,840.50
Disclosure

SEC source: 0001127602-23-005067 · form4.xml · nonDerivative · entry 1

Pupkin Sergio A · CIK 0001813056 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,163

Read SEC document
November 28, 2022 Filed Nov 30, 2022 23:45 UTC UNIFIRST CORP UNF · Entity 3907 GrantStock Appreciation Right · Derivative 858 $0.00 Strike: $190.53 $0.00
Disclosure

SEC source: 0001209191-22-059097 · doc4.xml · derivative · entry 2

Pupkin Sergio A · CIK 0001813056 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 858

Underlying: Common Stock ($0.10 par value) · 858 shares

Expires 2030-11-28

F2 · security: This stock appreciation right is exercisable in full on the grant date (11/28/2022) and is required to be settled in stock at the time of exercise. The grant has an expiration date of the earlier of November 28, 2030 or the second anniversary of the date that the grantee ceases to be a member of the Board of Directors.

Read SEC document
November 28, 2022 Filed Nov 30, 2022 23:45 UTC UNIFIRST CORP UNF · Entity 3907 GrantCommon Stock 525 $0.00 $0.00
Disclosure

SEC source: 0001209191-22-059097 · doc4.xml · nonDerivative · entry 1

Pupkin Sergio A · CIK 0001813056 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 525

F1 · shares: Represents an award of unrestricted Common Stock under the Amended and Restated UniFirst Corporation 2010 Stock Option and Incentive Plan.

Read SEC document
November 02, 2022 Filed Nov 4, 2022 12:44 UTC SEALED AIR CORP/DE SEE · Entity 53140 PurchaseCommon Stock 1,000 $44.33 $44,330.00
Disclosure

SEC source: 0001127602-22-024936 · form4.xml · nonDerivative · entry 1

Pupkin Sergio A · CIK 0001813056 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,748

F1 · price: The price reported in column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $43.9475 to $45.00 inclusive. The reporting person undertakes to provide to Sealed Air Corporation, any security holder of Sealed Air Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

Read SEC document
August 03, 2022 Filed Aug 4, 2022 15:32 UTC SEALED AIR CORP/DE SEE · Entity 53140 PurchaseCommon Stock 400 $57.97 $23,188.00
Disclosure

SEC source: 0001127602-22-020461 · form4.xml · nonDerivative · entry 2

Pupkin Sergio A · CIK 0001813056 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,748

Read SEC document
August 03, 2022 Filed Aug 4, 2022 15:32 UTC SEALED AIR CORP/DE SEE · Entity 53140 PurchaseCommon Stock 600 $57.45 $34,470.00
Disclosure

SEC source: 0001127602-22-020461 · form4.xml · nonDerivative · entry 1

Pupkin Sergio A · CIK 0001813056 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,348

Read SEC document
July 01, 2022 Filed Jul 6, 2022 11:59 UTC SEALED AIR CORP/DE SEE · Entity 53140 Tax withholdingCommon Stock 500 $59.10 $29,550.00
Disclosure

SEC source: 0001127602-22-018849 · form4.xml · nonDerivative · entry 1

Pupkin Sergio A · CIK 0001813056 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,748

Read SEC document
February 24, 2022 Filed Feb 28, 2022 13:32 UTC SEALED AIR CORP/DE SEE · Entity 53140 Tax withholdingCommon Stock 3,014 $66.76 $201,214.64
Disclosure

SEC source: 0001127602-22-006935 · form4.xml · nonDerivative · entry 3

Pupkin Sergio A · CIK 0001813056 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,248

Read SEC document
February 24, 2022 Filed Feb 28, 2022 13:32 UTC SEALED AIR CORP/DE SEE · Entity 53140 GrantCommon Stock 6,783 Not disclosed Not disclosed
Disclosure

SEC source: 0001127602-22-006935 · form4.xml · nonDerivative · entry 2

Pupkin Sergio A · CIK 0001813056 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,262

F2 · price: Performance Share Unit Award for the 2019-2021 performance period.

Read SEC document
February 24, 2022 Filed Feb 28, 2022 13:32 UTC SEALED AIR CORP/DE SEE · Entity 53140 GrantCommon Stock 4,449 Not disclosed Not disclosed
Disclosure

SEC source: 0001127602-22-006935 · form4.xml · nonDerivative · entry 1

Pupkin Sergio A · CIK 0001813056 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,479

F1 · price: Award made under the 2014 Omnibus Incentive Plan.

Read SEC document
February 13, 2022 Filed Feb 15, 2022 13:42 UTC SEALED AIR CORP/DE SEE · Entity 53140 Tax withholdingCommon Stock 380 $63.70 $24,206.00
Disclosure

SEC source: 0001127602-22-004935 · form4.xml · nonDerivative · entry 2

Pupkin Sergio A · CIK 0001813056 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,030

F1 · price: The closing price on 02/11/2022, the trading day immediately preceding the transaction date.

Read SEC document
February 12, 2022 Filed Feb 15, 2022 13:42 UTC SEALED AIR CORP/DE SEE · Entity 53140 Tax withholdingCommon Stock 582 $63.70 $37,073.40
Disclosure

SEC source: 0001127602-22-004935 · form4.xml · nonDerivative · entry 1

Pupkin Sergio A · CIK 0001813056 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,410

F1 · price: The closing price on 02/11/2022, the trading day immediately preceding the transaction date.

Read SEC document
February 10, 2022 Filed Feb 14, 2022 14:23 UTC SEALED AIR CORP/DE SEE · Entity 53140 Tax withholdingCommon Stock 639 $64.38 $41,138.82
Disclosure

SEC source: 0001127602-22-004663 · form4.xml · nonDerivative · entry 1

Pupkin Sergio A · CIK 0001813056 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,992

Read SEC document
July 01, 2021 Filed Jul 2, 2021 17:47 UTC SEALED AIR CORP/DE SEE · Entity 53140 GrantCommon Stock 3,382 Not disclosed Not disclosed
Disclosure

SEC source: 0001127602-21-021163 · form4.xml · nonDerivative · entry 1

Pupkin Sergio A · CIK 0001813056 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,631

F1 · price: Award made under the 2014 Omnibus Incentive Plan.

Read SEC document
February 13, 2021 Filed Feb 16, 2021 17:54 UTC SEALED AIR CORP/DE SEE · Entity 53140 Tax withholdingCommon Stock 383 $44.09 $16,886.47
Disclosure

SEC source: 0001127602-21-005729 · form4.xml · nonDerivative · entry 3

Pupkin Sergio A · CIK 0001813056 · Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,249

F1 · price: The closing price on 02/12/2021, the trading day immediately preceding the transaction date.

Read SEC document
February 13, 2021 Filed Feb 16, 2021 17:54 UTC SEALED AIR CORP/DE SEE · Entity 53140 Tax withholdingCommon Stock 254 $44.09 $11,198.86
Disclosure

SEC source: 0001127602-21-005729 · form4.xml · nonDerivative · entry 2

Pupkin Sergio A · CIK 0001813056 · Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,632

F1 · price: The closing price on 02/12/2021, the trading day immediately preceding the transaction date.

Read SEC document
February 12, 2021 Filed Feb 16, 2021 17:54 UTC SEALED AIR CORP/DE SEE · Entity 53140 Tax withholdingCommon Stock 587 $44.09 $25,880.83
Disclosure

SEC source: 0001127602-21-005729 · form4.xml · nonDerivative · entry 1

Pupkin Sergio A · CIK 0001813056 · Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,886

Read SEC document
February 10, 2021 Filed Feb 12, 2021 16:09 UTC SEALED AIR CORP/DE SEE · Entity 53140 Tax withholdingCommon Stock 1,088 $44.38 $48,285.44
Disclosure

SEC source: 0001127602-21-005338 · form4.xml · nonDerivative · entry 3

Pupkin Sergio A · CIK 0001813056 · Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,473

Read SEC document
February 10, 2021 Filed Feb 12, 2021 16:09 UTC SEALED AIR CORP/DE SEE · Entity 53140 GrantCommon Stock 2,198 Not disclosed Not disclosed
Disclosure

SEC source: 0001127602-21-005338 · form4.xml · nonDerivative · entry 2

Pupkin Sergio A · CIK 0001813056 · Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,561

F2 · price: Performance Share Unit Award for the 2018-2020 performance period.

Read SEC document
February 10, 2021 Filed Feb 12, 2021 16:09 UTC SEALED AIR CORP/DE SEE · Entity 53140 GrantCommon Stock 3,860 Not disclosed Not disclosed
Disclosure

SEC source: 0001127602-21-005338 · form4.xml · nonDerivative · entry 1

Pupkin Sergio A · CIK 0001813056 · Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,363

F1 · price: Award made under the 2014 Omnibus Incentive Plan.

Read SEC document
August 31, 2020 Filed Sep 1, 2020 18:15 UTC SEALED AIR CORP/DE SEE · Entity 53140 Tax withholdingCommon Stock 1,007 $39.30 $39,575.10
Disclosure

SEC source: 0001127602-20-024535 · form4.xml · nonDerivative · entry 1

Pupkin Sergio A · CIK 0001813056 · Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,503

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.