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DUCKWORTH CONNIE K

Disclosed activity across 3 companies

Tapewire entity
34494
SEC CIK
0001180940

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
MP Materials Corp. / DEMP · Entity 3549DirectorSeptember 30, 2026October 01, 2026
VIVMARK RESIDENTIALEQR · Entity 499DirectorJune 17, 2021June 21, 2021

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.

MP Materials Corp. / DE

Report date September 30, 2026 · Filed October 01, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect42,514 Reported balance After 2026-09-30 transaction · row 1
1 source row

Row 1 · 2026-09-30 · Grant · Acquired 740 · Balance 42,514

F1: Represents deferred stock units ("DSUs") awarded in connection with the election to defer cash retainers by the reporting person. Each DSU represents a right to receive a share of the registrant's common stock and are fully vested on grant. The DSUs will be settled upon the earlier to occur of the following: (i) June 15th occurring following the close of the fifth calendar year following the close of the calendar year in which the cash retainers are earned; (ii) certain changes in control of the registrant; and (iii) the date of the reporting person's separation from service.

Filing footnotes · ownership attribution and instrument terms

F1: Represents deferred stock units ("DSUs") awarded in connection with the election to defer cash retainers by the reporting person. Each DSU represents a right to receive a share of the registrant's common stock and are fully vested on grant. The DSUs will be settled upon the earlier to occur of the following: (i) June 15th occurring following the close of the fifth calendar year following the close of the calendar year in which the cash retainers are earned; (ii) certain changes in control of the registrant; and (iii) the date of the reporting person's separation from service.

VIVMARK RESIDENTIAL

Report date June 17, 2021 · Filed June 21, 2021

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common Shares Of Beneficial InterestSEC Table I · non-derivativeDirect5,508 Reported balance After 2021-06-17 transaction · row 1 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 1 · 2021-06-17 · Grant · Acquired 2,025 · Balance 5,508

F1: Represents restricted shares granted for prospective service from the 2021 Annual Meeting of Shareholders to the 2022 Annual Meeting of Shareholders which are scheduled to vest on June 17, 2022.

F2: Direct total includes restricted shares of Equity Residential scheduled to vest in the future.

Common Shares Of Beneficial InterestSEC Table I · non-derivativeIndirectSERP Account8,654 Reported balance Holding disclosure · report date 2021-06-17 · row 2 Holding and transaction disclosures are not merged.
1 source row

Row 2 · Balance 8,654

F3: Represents shares owned by Principal Trust Company, as Trustee of the Equity Residential Supplemental Executive Retirement Plan, for the benefit of the reporting person.

Filing footnotes · ownership attribution and instrument terms

F1: Represents restricted shares granted for prospective service from the 2021 Annual Meeting of Shareholders to the 2022 Annual Meeting of Shareholders which are scheduled to vest on June 17, 2022.

F2: Direct total includes restricted shares of Equity Residential scheduled to vest in the future.

F3: Represents shares owned by Principal Trust Company, as Trustee of the Equity Residential Supplemental Executive Retirement Plan, for the benefit of the reporting person.

Past disclosures · reporting ended (1)

No longer tracked through insider filings. These historical balances do not imply present ownership or a zero position.

STEELCASE INC

Report date December 10, 2025 · Filed December 12, 2025

Section 16 reporting ended · disclosed 2025-12-12. Current position is not established by this disclosure.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Class A Common StockSEC Table I · non-derivativeDirect0 Reported balance After 2025-12-10 transaction · row 1 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 1 · 2025-12-10 · Disposition to issuer · Disposed 133,575 · Balance 0

F1: On December 10, 2025, pursuant to that certain Agreement and Plan of Merger (the "Merger Agreement"), dated August 3, 2025, by and among HNI Corporation ("HNI"), Steelcase Inc. (the "Issuer"), Geranium Merger Sub I, Inc. and Geranium Merger Sub II, LLC, the Issuer became a wholly owned subsidiary of HNI.

F2: At the First Effective Time (as defined in the Merger Agreement), pursuant to the Merger Agreement and subject to certain exceptions, each share of Issuer Class A Common Stock outstanding immediately before the First Effective Time was converted into, at the election of the holder thereof, subject to automatic adjustment, the right to receive the following consideration (collectively with, if applicable, cash in lieu of fractional shares, the "merger consideration"): (i) (a) 0.2192 shares of HNI common stock and (b) $7.20 in cash (together, the "mixed election consideration"); (ii) $16.19 in cash and 0.0009 shares of HNI common stock (the "cash election consideration"); or (iii) 0.3940 shares of HNI common stock (the "stock election consideration").

Filing footnotes · ownership attribution and instrument terms

F1: On December 10, 2025, pursuant to that certain Agreement and Plan of Merger (the "Merger Agreement"), dated August 3, 2025, by and among HNI Corporation ("HNI"), Steelcase Inc. (the "Issuer"), Geranium Merger Sub I, Inc. and Geranium Merger Sub II, LLC, the Issuer became a wholly owned subsidiary of HNI.

F2: At the First Effective Time (as defined in the Merger Agreement), pursuant to the Merger Agreement and subject to certain exceptions, each share of Issuer Class A Common Stock outstanding immediately before the First Effective Time was converted into, at the election of the holder thereof, subject to automatic adjustment, the right to receive the following consideration (collectively with, if applicable, cash in lieu of fractional shares, the "merger consideration"): (i) (a) 0.2192 shares of HNI common stock and (b) $7.20 in cash (together, the "mixed election consideration"); (ii) $16.19 in cash and 0.0009 shares of HNI common stock (the "cash election consideration"); or (iii) 0.3940 shares of HNI common stock (the "stock election consideration").

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
June 10, 2021 Filed Jun 14, 2021 17:44 UTC STEELCASE INC NYSE: SCS · Entity 71684 GrantClass A Common Stock 2,312 Not disclosed Not disclosed
Disclosure

SEC source: 0001050825-21-000150 · wf-form4_162370704843571.xml · nonDerivative · entry 1

DUCKWORTH CONNIE K · CIK 0001180940 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,236

F1 · price: Not applicable.

Read SEC document
March 31, 2021 Filed Apr 2, 2021 21:46 UTC MP Materials Corp. / DE MP · Entity 3549 GrantClass A Common Stock 521 $35.95 $18,729.95
Disclosure

SEC source: 0001562180-21-002573 · primarydocument.xml · nonDerivative · entry 1

DUCKWORTH CONNIE K · CIK 0001180940 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 521

F1 · security: Represents deferred stock units ("DSUs") awarded in connection with the election to defer cash retainers by the reporting person. Each DSU represents a right to receive a share of the registrant's common stock and are fully vested on grant. The DSUs will be settled upon the earlier to occur of the following: (i) June 15th occurring following the close of the fifth calendar year following the close of the calendar year in which the cash retainers are earned; (ii) certain changes in control of the registrant; and (iii) the date of the reporting person's separation from service.

F2 · price: The closing price of MP Class A Common Stock on March 31, 2021 was used to determine the number of DSUs awarded.

F3 · balance_after: Excludes unvested restricted stock units ("RSUs")

Read SEC document
March 10, 2021 Filed Mar 12, 2021 16:11 UTC STEELCASE INC NYSE: SCS · Entity 71684 GrantClass A Common Stock 2,132 Not disclosed Not disclosed
Disclosure

SEC source: 0001050825-21-000070 · wf-form4_161558349999196.xml · nonDerivative · entry 1

DUCKWORTH CONNIE K · CIK 0001180940 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 78,924

F1 · price: Not applicable.

Read SEC document
December 10, 2020 Filed Dec 14, 2020 13:14 UTC STEELCASE INC NYSE: SCS · Entity 71684 GrantClass A Common Stock 2,583 Not disclosed Not disclosed
Disclosure

SEC source: 0001050825-20-000158 · wf-form4_160796963175201.xml · nonDerivative · entry 1

DUCKWORTH CONNIE K · CIK 0001180940 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,792

F1 · price: Not applicable.

Read SEC document
November 17, 2020 Filed Nov 20, 2020 00:48 UTC MP Materials Corp. / DE MP · Entity 3549 GrantRestricted Stock Units · Derivative 3,998 $0.00 $0.00
Disclosure

SEC source: 0001140361-20-026163 · form4.xml · derivative · entry 1

DUCKWORTH CONNIE K · CIK 0001180940 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,998

Underlying: Class A Common Stock · 3,998 shares

Expires 2030-11-17

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of MP Materials Corp. ("Issuer") Class A common stock ("Shares"). These RSUs vest on the earlier of: (i) June 1, 2021; and (ii) the next annual meeting of the Issuer's shareholders, subject to the reporting person's continued service through the applicable vesting date, and settled upon the earlier to occur of (x) June 15th following the fifth anniversary of the vesting date; (y) a "change in control event" within the meaning of Section 409A of the Internal Revenue Code; and (z) the date of the director's separation from service. These RSUs fully vest upon a change in control of the Issuer or the director's termination of service due to death or "disability".

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") represents a contingent right to receive one share of MP Materials Corp. ("Issuer") Class A common stock ("Shares"). These RSUs vest on the earlier of: (i) June 1, 2021; and (ii) the next annual meeting of the Issuer's shareholders, subject to the reporting person's continued service through the applicable vesting date, and settled upon the earlier to occur of (x) June 15th following the fifth anniversary of the vesting date; (y) a "change in control event" within the meaning of Section 409A of the Internal Revenue Code; and (z) the date of the director's separation from service. These RSUs fully vest upon a change in control of the Issuer or the director's termination of service due to death or "disability".

Read SEC document
September 10, 2020 Filed Sep 14, 2020 15:35 UTC STEELCASE INC NYSE: SCS · Entity 71684 GrantClass A Common Stock 3,574 Not disclosed Not disclosed
Disclosure

SEC source: 0001050825-20-000128 · wf-form4_160011208667993.xml · nonDerivative · entry 1

DUCKWORTH CONNIE K · CIK 0001180940 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,209

F1 · price: Not applicable.

Read SEC document
June 25, 2020 Filed Jun 30, 2020 21:10 UTC VIVMARK RESIDENTIAL EQR · Entity 499 GrantCommon Shares Of Beneficial Interest 2,739 $0.00 $0.00
Disclosure

SEC source: 0000899243-20-017986 · doc4.xml · nonDerivative · entry 1

DUCKWORTH CONNIE K · CIK 0001180940 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,599

F1 · shares: Represents restricted shares granted for prospective service from the 2020 Annual Meeting of Shareholders to the 2021 Annual Meeting of Shareholders which are scheduled to vest on June 25, 2021.

F2 · balance_after: Direct total includes restricted shares of Equity Residential scheduled to vest in the future.

Read SEC document
June 10, 2020 Filed Jun 12, 2020 12:33 UTC STEELCASE INC NYSE: SCS · Entity 71684 GrantClass A Common Stock 2,677 Not disclosed Not disclosed
Disclosure

SEC source: 0001050825-20-000113 · wf-form4_159197957629017.xml · nonDerivative · entry 1

DUCKWORTH CONNIE K · CIK 0001180940 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,635

F1 · price: Not applicable.

Read SEC document
March 10, 2020 Filed Mar 12, 2020 13:36 UTC STEELCASE INC NYSE: SCS · Entity 71684 GrantClass A Common Stock 2,487 Not disclosed Not disclosed
Disclosure

SEC source: 0001050825-20-000040 · wf-form4_158403460097976.xml · nonDerivative · entry 1

DUCKWORTH CONNIE K · CIK 0001180940 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,958

F1 · price: Not applicable.

Read SEC document
December 10, 2019 Filed Dec 12, 2019 16:11 UTC STEELCASE INC NYSE: SCS · Entity 71684 GrantClass A Common Stock 1,684 Not disclosed Not disclosed
Disclosure

SEC source: 0001050825-19-000171 · wf-form4_157618504769214.xml · nonDerivative · entry 1

DUCKWORTH CONNIE K · CIK 0001180940 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,471

F1 · price: Not applicable.

Read SEC document
September 10, 2019 Filed Sep 12, 2019 14:17 UTC STEELCASE INC NYSE: SCS · Entity 71684 GrantClass A Common Stock 1,923 Not disclosed Not disclosed
Disclosure

SEC source: 0001050825-19-000132 · wf-form4_156831224600834.xml · nonDerivative · entry 1

DUCKWORTH CONNIE K · CIK 0001180940 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,787

F1 · price: Not applicable.

Read SEC document
June 27, 2019 Filed Jul 1, 2019 20:49 UTC VIVMARK RESIDENTIAL EQR · Entity 499 GrantCommon Shares Of Beneficial Interest 2,116 $0.00 $0.00
Disclosure

SEC source: 0001127602-19-023247 · form4.xml · nonDerivative · entry 1

DUCKWORTH CONNIE K · CIK 0001180940 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,860

F1 · shares: Represents restricted shares granted for prospective service from the 2019 Annual Meeting of Shareholders to the 2020 Annual Meeting of Shareholders which are scheduled to vest on June 27, 2020.

F2 · balance_after: Direct total includes restricted shares of Equity Residential scheduled to vest in the future.

Read SEC document
June 10, 2019 Filed Jun 12, 2019 13:56 UTC STEELCASE INC NYSE: SCS · Entity 71684 GrantClass A Common Stock 1,839 Not disclosed Not disclosed
Disclosure

SEC source: 0001050825-19-000098 · wf-form4_156036218581628.xml · nonDerivative · entry 1

DUCKWORTH CONNIE K · CIK 0001180940 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,864

F1 · price: Not applicable.

Read SEC document
March 08, 2019 Filed Mar 12, 2019 15:39 UTC STEELCASE INC NYSE: SCS · Entity 71684 GrantClass A Common Stock 1,827 Not disclosed Not disclosed
Disclosure

SEC source: 0001050825-19-000039 · wf-form4_155241954818926.xml · nonDerivative · entry 1

DUCKWORTH CONNIE K · CIK 0001180940 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,025

F1 · price: Not applicable.

Read SEC document
December 10, 2018 Filed Dec 12, 2018 15:34 UTC STEELCASE INC NYSE: SCS · Entity 71684 GrantClass A Common Stock 2,121 Not disclosed Not disclosed
Disclosure

SEC source: 0001050825-18-000182 · wf-form4_154464685993727.xml · nonDerivative · entry 1

DUCKWORTH CONNIE K · CIK 0001180940 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,198

F1 · price: Not applicable.

Read SEC document
September 10, 2018 Filed Sep 12, 2018 13:06 UTC STEELCASE INC NYSE: SCS · Entity 71684 GrantClass A Common Stock 2,079 Not disclosed Not disclosed
Disclosure

SEC source: 0001050825-18-000141 · wf-form4_153677194999883.xml · nonDerivative · entry 1

DUCKWORTH CONNIE K · CIK 0001180940 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,077

F1 · price: Not applicable.

Read SEC document
June 14, 2018 Filed Jun 18, 2018 20:46 UTC VIVMARK RESIDENTIAL EQR · Entity 499 GrantCommon Shares Of Beneficial Interest 2,509 $0.00 $0.00
Disclosure

SEC source: 0001127602-18-021202 · form4.xml · nonDerivative · entry 1

DUCKWORTH CONNIE K · CIK 0001180940 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,245

F1 · shares: Represents restricted shares granted for prospective service from the 2018 Annual Meeting of Shareholders to the 2019 Annual Meeting of Shareholders which are scheduled to vest on June 14, 2019.

F2 · balance_after: Direct total includes restricted shares of Equity Residential scheduled to vest in the future.

Read SEC document
June 08, 2018 Filed Jun 12, 2018 15:46 UTC STEELCASE INC NYSE: SCS · Entity 71684 GrantClass A Common Stock 2,106 Not disclosed Not disclosed
Disclosure

SEC source: 0001050825-18-000110 · wf-form4_152883279847480.xml · nonDerivative · entry 1

DUCKWORTH CONNIE K · CIK 0001180940 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,998

F1 · price: Not applicable.

Read SEC document
March 09, 2018 Filed Mar 12, 2018 16:42 UTC STEELCASE INC NYSE: SCS · Entity 71684 GrantClass A Common Stock 2,194 Not disclosed Not disclosed
Disclosure

SEC source: 0001050825-18-000036 · wf-form4_152088732460535.xml · nonDerivative · entry 1

DUCKWORTH CONNIE K · CIK 0001180940 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,892

F1 · price: Not applicable.

Read SEC document
December 08, 2017 Filed Dec 12, 2017 13:25 UTC STEELCASE INC NYSE: SCS · Entity 71684 GrantClass A Common Stock 2,257 Not disclosed Not disclosed
Disclosure

SEC source: 0001050825-17-000176 · wf-form4_151310311281018.xml · nonDerivative · entry 1

DUCKWORTH CONNIE K · CIK 0001180940 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,698

F1 · price: Not applicable.

Read SEC document
September 08, 2017 Filed Sep 12, 2017 15:14 UTC STEELCASE INC NYSE: SCS · Entity 71684 GrantClass A Common Stock 2,324 Not disclosed Not disclosed
Disclosure

SEC source: 0001050825-17-000151 · wf-form4_150524367592148.xml · nonDerivative · entry 1

DUCKWORTH CONNIE K · CIK 0001180940 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,441

F1 · price: Not applicable.

Read SEC document
June 15, 2017 Filed Jun 19, 2017 20:40 UTC VIVMARK RESIDENTIAL EQR · Entity 499 GrantCommon Shares Of Beneficial Interest 1,992 $0.00 $0.00
Disclosure

SEC source: 0001127602-17-021764 · form4.xml · nonDerivative · entry 1

DUCKWORTH CONNIE K · CIK 0001180940 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,773

F1 · shares: Represents restricted shares granted for prospective service from the 2017 Annual Meeting of Shareholders to the 2018 Annual Meeting of Shareholders which are scheduled to vest on June 15, 2018.

F2 · balance_after: Direct total includes restricted shares of the Company scheduled to vest in the future.

Read SEC document
June 09, 2017 Filed Jun 13, 2017 14:03 UTC STEELCASE INC NYSE: SCS · Entity 71684 GrantClass A Common Stock 1,815 Not disclosed Not disclosed
Disclosure

SEC source: 0001050825-17-000121 · wf-form4_149737701541628.xml · nonDerivative · entry 1

DUCKWORTH CONNIE K · CIK 0001180940 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,117

F1 · price: Not applicable.

Read SEC document
March 10, 2017 Filed Mar 14, 2017 14:34 UTC STEELCASE INC NYSE: SCS · Entity 71684 GrantClass A Common Stock 1,908 Not disclosed Not disclosed
Disclosure

SEC source: 0001050825-17-000040 · wf-form4_148951645918383.xml · nonDerivative · entry 1

DUCKWORTH CONNIE K · CIK 0001180940 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,302

F1 · price: Not applicable.

Read SEC document
December 09, 2016 Filed Dec 13, 2016 15:10 UTC STEELCASE INC NYSE: SCS · Entity 71684 GrantClass A Common Stock 1,920 Not disclosed Not disclosed
Disclosure

SEC source: 0001050825-16-000343 · wf-form4_148165982290279.xml · nonDerivative · entry 1

DUCKWORTH CONNIE K · CIK 0001180940 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,394

F1 · price: Not applicable.

Read SEC document
September 09, 2016 Filed Sep 13, 2016 16:01 UTC STEELCASE INC NYSE: SCS · Entity 71684 GrantClass A Common Stock 2,216 Not disclosed Not disclosed
Disclosure

SEC source: 0001050825-16-000318 · wf-form4_147379689777457.xml · nonDerivative · entry 1

DUCKWORTH CONNIE K · CIK 0001180940 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,474

F1 · price: Not applicable.

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.