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person · Reporting owner

Mills Kenneth T.

Disclosed activity across 1 company

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42388
SEC CIK
0001652824

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
REGENXBIO Inc.RGNX · Entity 2211DirectorMay 29, 2026June 02, 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.

REGENXBIO Inc.

Report date May 29, 2026 · Filed June 02, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect495,925 Reported balance After 2026-05-29 transaction · row 1
1 source row

Row 1 · 2026-05-29 · Grant · Acquired 9,807 · Balance 495,925

F1: Represents shares of common stock underlying a time-based restricted stock unit award (RSU). 100% of the shares subject to this RSU will vest on May 29, 2027 subject to the continuous service of the recipient to the Issuer.

Stock Options (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $7.01 · Expires 2036-05-29Direct46,600 Reported balance After 2026-05-29 transaction · row 2 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 2 · 2026-05-29 · Grant · Acquired 46,600 · Balance 46,600

F2: The option will vest May 29, 2027 subject to the continuous service of the optionee to the Issuer.

Filing footnotes · ownership attribution and instrument terms

F1: Represents shares of common stock underlying a time-based restricted stock unit award (RSU). 100% of the shares subject to this RSU will vest on May 29, 2027 subject to the continuous service of the recipient to the Issuer.

F2: The option will vest May 29, 2027 subject to the continuous service of the optionee to the Issuer.

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
January 03, 2023 Filed Jan 5, 2023 21:06 UTC REGENXBIO Inc. RGNX · Entity 2211 GrantStock Options (Right to buy) · Derivative 264,932 $0.00 Strike: $22.25 $0.00
Disclosure

SEC source: 0001562180-23-000221 · primarydocument.xml · derivative · entry 3

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 264,932

Underlying: Common Stock · 264,932 shares

Expires 2033-01-03

F3 · derivative.exercise_date: 25% of the shares subject to this option shall vest after 12 months of continuous service with the Issuer. The balance will vest in equal monthly installments over the 48 months following January 3, 2024 while the optionee provides continuous service to the Issuer.

Read SEC document
January 03, 2023 Filed Jan 5, 2023 21:06 UTC REGENXBIO Inc. RGNX · Entity 2211 GrantCommon Stock 54,753 $0.00 $0.00
Disclosure

SEC source: 0001562180-23-000221 · primarydocument.xml · nonDerivative · entry 2

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 355,289

F2 · shares: Represents shares of common stock underlying a time-based restricted stock unit award (RSU). 25% of the shares subject to this RSU will vest on each of January 1, 2024, January 1, 2025, January 1, 2026 and January 1, 2027 while the recipient provides continuous service to the Issuer.

Read SEC document
January 03, 2023 Filed Jan 5, 2023 21:06 UTC REGENXBIO Inc. RGNX · Entity 2211 Tax withholdingCommon Stock 9,308 $22.68 $211,105.44
Disclosure

SEC source: 0001562180-23-000221 · primarydocument.xml · nonDerivative · entry 1

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 300,536

F1 · shares: Represents shares of common stock withheld to pay taxes upon the vesting of restricted stock units originally granted to the reporting person on January 4, 2021 and January 3, 2022. The number of shares withheld was determined on January 3, 2023 based on the closing price of the issuer's common stock on December 30, 2022.

Read SEC document
January 03, 2022 Filed Jan 5, 2022 02:01 UTC REGENXBIO Inc. RGNX · Entity 2211 GrantStock Option (Right to Buy) · Derivative 170,188 $0.00 Strike: $34.31 $0.00
Disclosure

SEC source: 0001562180-22-000149 · primarydocument.xml · derivative · entry 3

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 170,188

Underlying: Common Stock · 170,188 shares

Expires 2032-01-03

F2 · derivative.exercise_date: 25% of the shares subject to this option shall vest after 12 months of continuous service with the Issuer. The balance will vest in equal monthly installments over the 36 months following January 3, 2023 while the optionee provides continuous service to the Issuer.

Read SEC document
January 03, 2022 Filed Jan 5, 2022 02:01 UTC REGENXBIO Inc. RGNX · Entity 2211 GrantCommon Stock 35,796 $0.00 $0.00
Disclosure

SEC source: 0001562180-22-000149 · primarydocument.xml · nonDerivative · entry 2

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 309,844

F1 · shares: Represents shares of common stock underlying a time-based restricted stock unit award (RSU). 25% of the shares subject to this RSU will vest on each of January 1, 2023, January 1, 2024, January 1, 2025 and January 1, 2026 while the recipient provides continuous service to the Issuer.

Read SEC document
January 01, 2022 Filed Jan 5, 2022 02:01 UTC REGENXBIO Inc. RGNX · Entity 2211 Tax withholdingCommon Stock 3,636 $32.70 $118,897.20
Disclosure

SEC source: 0001562180-22-000149 · primarydocument.xml · nonDerivative · entry 1

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 274,048

Read SEC document
December 02, 2021 Filed Dec 6, 2021 21:27 UTC REGENXBIO Inc. RGNX · Entity 2211 GiftCommon Stock 3,300 $0.00 $0.00
Disclosure

SEC source: 0001562180-21-007473 · primarydocument.xml · nonDerivative · entry 1

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 277,684

F1 · shares: This transaction involved an irrevocable gift of securities by the Reporting Person to a charitable donor advised fund.

Read SEC document
November 08, 2021 Filed Nov 10, 2021 21:12 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 1,500 $0.00 Strike: $3.76 $0.00
Disclosure

SEC source: 0001562180-21-006967 · primarydocument.xml · derivative · entry 3

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 229,854

Underlying: Common Stock · 1,500 shares

Expires 2025-05-18

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

F2 · derivative.exercise_date: The previously granted option, representing a right to purchase a total of 275,000 shares, became exercisable as follows: 25% of the shares subject to this option vested on May 19, 2016, and the balance vested in equal monthly installments over the 36 months thereafter.

Read SEC document
November 08, 2021 Filed Nov 10, 2021 21:12 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 1,500 $40.00 $60,000.00
Disclosure

SEC source: 0001562180-21-006967 · primarydocument.xml · nonDerivative · entry 2

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 280,984

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

Read SEC document
November 08, 2021 Filed Nov 10, 2021 21:12 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionCommon Stock 1,500 $3.76 $5,640.00
Disclosure

SEC source: 0001562180-21-006967 · primarydocument.xml · nonDerivative · entry 1

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 282,484

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

Read SEC document
September 27, 2021 Filed Sep 29, 2021 20:19 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 1,500 $0.00 Strike: $3.76 $0.00
Disclosure

SEC source: 0001562180-21-006147 · primarydocument.xml · derivative · entry 3

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 231,354

Underlying: Common Stock · 1,500 shares

Expires 2025-05-18

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

F2 · derivative.exercise_date: The previously granted option, representing a right to purchase a total of 275,000 shares, became exercisable as follows: 25% of the shares subject to this option vested on May 19, 2016, and the balance vested in equal monthly installments over the 36 months thereafter.

Read SEC document
September 27, 2021 Filed Sep 29, 2021 20:19 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 1,500 $42.19 $63,285.00
Disclosure

SEC source: 0001562180-21-006147 · primarydocument.xml · nonDerivative · entry 2

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 280,984

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

Read SEC document
September 27, 2021 Filed Sep 29, 2021 20:19 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionCommon Stock 1,500 $3.76 $5,640.00
Disclosure

SEC source: 0001562180-21-006147 · primarydocument.xml · nonDerivative · entry 1

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 282,484

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

Read SEC document
September 14, 2021 Filed Sep 15, 2021 20:15 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 1,854 $0.00 Strike: $0.85 $0.00
Disclosure

SEC source: 0001562180-21-005947 · primarydocument.xml · derivative · entry 8

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,816

Underlying: Common Stock · 1,854 shares

Expires 2024-09-23

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

F4 · derivative.exercise_date: The previously granted option, representing a right to purchase a total of 708,200 shares, became exercisable as follows: 474,490 of the shares subject to the option are initial shares ("Initial Shares") and 233,710 of the shares subject to the option are contingent shares ("Contingent Shares"). 120,394 of the Initial Shares vested on September 17, 2014, 88,524 of the Initial Shares vested on September 17, 2015 and an additional 7,377 of the Initial Shares vested upon each month of continuous service to the Company thereafter. 25% of the Contingent Shares were deemed vested as of September 17, 2014 on January 13, 2015 due to a subsequent event. The remainder of the Contingent Shares vested over four years of service following September 17, 2014, with 25% of the remaining 75% of Contingent Shares having vested on September 17, 2015 and the remaining Contingent Shares having vested in 36 equal monthly installments thereafter.

Read SEC document
September 14, 2021 Filed Sep 15, 2021 20:15 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 33,146 $0.00 Strike: $3.76 $0.00
Disclosure

SEC source: 0001562180-21-005947 · primarydocument.xml · derivative · entry 7

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 232,854

Underlying: Common Stock · 33,146 shares

Expires 2025-05-18

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

F3 · derivative.exercise_date: The previously granted option, representing a right to purchase a total of 275,000 shares, became exercisable as follows: 25% of the shares subject to this option vested on May 19, 2016, and the balance vested in equal monthly installments over the 36 months thereafter.

Read SEC document
September 14, 2021 Filed Sep 15, 2021 20:15 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 35,000 $45.11 $1,578,850.00
Disclosure

SEC source: 0001562180-21-005947 · primarydocument.xml · nonDerivative · entry 5

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 280,984

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

F2 · price: This transaction was executed in multiple trades at prices ranging from $45.00 to $45.55. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
September 14, 2021 Filed Sep 15, 2021 20:15 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionCommon Stock 1,854 $0.85 $1,575.90
Disclosure

SEC source: 0001562180-21-005947 · primarydocument.xml · nonDerivative · entry 4

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 315,984

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

Read SEC document
September 14, 2021 Filed Sep 15, 2021 20:15 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionCommon Stock 33,146 $3.76 $124,628.96
Disclosure

SEC source: 0001562180-21-005947 · primarydocument.xml · nonDerivative · entry 3

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 314,130

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

Read SEC document
September 13, 2021 Filed Sep 15, 2021 20:15 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 3,000 $0.00 Strike: $3.76 $0.00
Disclosure

SEC source: 0001562180-21-005947 · primarydocument.xml · derivative · entry 6

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 266,000

Underlying: Common Stock · 3,000 shares

Expires 2025-05-18

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

F3 · derivative.exercise_date: The previously granted option, representing a right to purchase a total of 275,000 shares, became exercisable as follows: 25% of the shares subject to this option vested on May 19, 2016, and the balance vested in equal monthly installments over the 36 months thereafter.

Read SEC document
September 13, 2021 Filed Sep 15, 2021 20:15 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 3,000 $40.02 $120,060.00
Disclosure

SEC source: 0001562180-21-005947 · primarydocument.xml · nonDerivative · entry 2

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 280,984

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

Read SEC document
September 13, 2021 Filed Sep 15, 2021 20:15 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionCommon Stock 3,000 $3.76 $11,280.00
Disclosure

SEC source: 0001562180-21-005947 · primarydocument.xml · nonDerivative · entry 1

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 283,984

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

Read SEC document
June 25, 2021 Filed Jun 28, 2021 20:18 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 1,500 $0.00 Strike: $3.76 $0.00
Disclosure

SEC source: 0001562180-21-004525 · primarydocument.xml · derivative · entry 6

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 269,000

Underlying: Common Stock · 1,500 shares

Expires 2025-05-18

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

F3 · derivative.exercise_date: The previously granted option, representing a right to purchase a total of 275,000 shares, became exercisable as follows: 25% of the shares subject to this option vested on May 19, 2016, and the balance vested in equal monthly installments over the 36 months thereafter.

Read SEC document
June 25, 2021 Filed Jun 28, 2021 20:18 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 1,500 $40.25 $60,375.00
Disclosure

SEC source: 0001562180-21-004525 · primarydocument.xml · nonDerivative · entry 4

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 280,984

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

Read SEC document
June 25, 2021 Filed Jun 28, 2021 20:18 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionCommon Stock 1,500 $3.76 $5,640.00
Disclosure

SEC source: 0001562180-21-004525 · primarydocument.xml · nonDerivative · entry 3

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 282,484

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

Read SEC document
June 24, 2021 Filed Jun 28, 2021 20:18 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 4,500 $0.00 Strike: $3.76 $0.00
Disclosure

SEC source: 0001562180-21-004525 · primarydocument.xml · derivative · entry 5

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 270,500

Underlying: Common Stock · 4,500 shares

Expires 2025-05-18

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

F3 · derivative.exercise_date: The previously granted option, representing a right to purchase a total of 275,000 shares, became exercisable as follows: 25% of the shares subject to this option vested on May 19, 2016, and the balance vested in equal monthly installments over the 36 months thereafter.

Read SEC document
June 24, 2021 Filed Jun 28, 2021 20:18 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 4,500 $40.02 $180,090.00
Disclosure

SEC source: 0001562180-21-004525 · primarydocument.xml · nonDerivative · entry 2

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 280,984

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

F2 · price: This transaction was executed in multiple trades at prices ranging from $40.00 to $40.20. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
June 24, 2021 Filed Jun 28, 2021 20:18 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionCommon Stock 4,500 $3.76 $16,920.00
Disclosure

SEC source: 0001562180-21-004525 · primarydocument.xml · nonDerivative · entry 1

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 285,484

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

Read SEC document
February 25, 2021 Filed Mar 1, 2021 22:18 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 1,500 $0.00 Strike: $0.85 $0.00
Disclosure

SEC source: 0001562180-21-001682 · primarydocument.xml · derivative · entry 3

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,670

Underlying: Common Stock · 1,500 shares

Expires 2024-09-23

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

F2 · derivative.exercise_date: The previously granted option, representing a right to purchase a total of 708,200 shares, became exercisable as follows: 474,490 of the shares subject to the option are initial shares ("Initial Shares") and 233,710 of the shares subject to the option are contingent shares ("Contingent Shares"). 120,394 of the Initial Shares vested on September 17, 2014, 88,524 of the Initial Shares vested on September 17, 2015 and an additional 7,377 of the Initial Shares vested upon each month of continuous service to the Company thereafter. 25% of the Contingent Shares were deemed vested as of September 17, 2014 on January 13, 2015 due to a subsequent event. The remainder of the Contingent Shares vested over four years of service following September 17, 2014, with 25% of the remaining 75% of Contingent Shares having vested on September 17, 2015 and the remaining Contingent Shares having vested in 36 equal monthly installments thereafter.

Read SEC document
February 25, 2021 Filed Mar 1, 2021 22:18 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 1,500 $40.77 $61,155.00
Disclosure

SEC source: 0001562180-21-001682 · primarydocument.xml · nonDerivative · entry 2

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 280,984

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

Read SEC document
February 25, 2021 Filed Mar 1, 2021 22:18 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionCommon Stock 1,500 $0.85 $1,275.00
Disclosure

SEC source: 0001562180-21-001682 · primarydocument.xml · nonDerivative · entry 1

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 282,484

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

Read SEC document
January 25, 2021 Filed Jan 27, 2021 21:19 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 6,500 $0.00 Strike: $0.85 $0.00
Disclosure

SEC source: 0001562180-21-000562 · primarydocument.xml · derivative · entry 5

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,170

Underlying: Common Stock · 6,500 shares

Expires 2024-09-23

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

F5 · derivative.exercise_date: The previously granted option, representing a right to purchase a total of 708,200 shares, became exercisable as follows: 474,490 of the shares subject to the option are initial shares ("Initial Shares") and 233,710 of the shares subject to the option are contingent shares ("Contingent Shares"). 120,394 of the Initial Shares vested on September 17, 2014, 88,524 of the Initial Shares vested on September 17, 2015 and an additional 7,377 of the Initial Shares vested upon each month of continuous service to the Company thereafter. 25% of the Contingent Shares were deemed vested as of September 17, 2014 on January 13, 2015 due to a subsequent event. The remainder of the Contingent Shares vested over four years of service following September 17, 2014, with 25% of the remaining 75% of Contingent Shares having vested on September 17, 2015 and the remaining Contingent Shares having vested in 36 equal monthly installments thereafter.

Read SEC document
January 25, 2021 Filed Jan 27, 2021 21:19 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 5,211 $44.99 $234,442.89
Disclosure

SEC source: 0001562180-21-000562 · primarydocument.xml · nonDerivative · entry 4

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 280,984

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

F4 · price: This transaction was executed in multiple trades at prices ranging from $44.55 to $45.00. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
January 25, 2021 Filed Jan 27, 2021 21:19 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 974 $44.05 $42,904.70
Disclosure

SEC source: 0001562180-21-000562 · primarydocument.xml · nonDerivative · entry 3

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 286,195

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

F3 · price: This transaction was executed in multiple trades at prices ranging from $43.55 to $44.52. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

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January 25, 2021 Filed Jan 27, 2021 21:19 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 315 $42.64 $13,431.60
Disclosure

SEC source: 0001562180-21-000562 · primarydocument.xml · nonDerivative · entry 2

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 287,169

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

F2 · price: This transaction was executed in multiple trades at prices ranging from $42.49 to $42.72. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

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January 25, 2021 Filed Jan 27, 2021 21:19 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionCommon Stock 6,500 $0.85 $5,525.00
Disclosure

SEC source: 0001562180-21-000562 · primarydocument.xml · nonDerivative · entry 1

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 287,484

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

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January 07, 2021 Filed Jan 11, 2021 21:27 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 1,500 $0.00 Strike: $0.85 $0.00
Disclosure

SEC source: 0001562180-21-000282 · primarydocument.xml · derivative · entry 3

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,670

Underlying: Common Stock · 1,500 shares

Expires 2024-09-23

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

F3 · derivative.exercise_date: The previously granted option, representing a right to purchase a total of 708,200 shares, became exercisable as follows: 474,490 of the shares subject to the option are initial shares ("Initial Shares") and 233,710 of the shares subject to the option are contingent shares ("Contingent Shares"). 120,394 of the Initial Shares vested on September 17, 2014, 88,524 of the Initial Shares vested on September 17, 2015 and an additional 7,377 of the Initial Shares vested upon each month of continuous service to the Company thereafter. 25% of the Contingent Shares were deemed vested as of September 17, 2014 on January 13, 2015 due to a subsequent event. The remainder of the Contingent Shares vested over four years of service following September 17, 2014, with 25% of the remaining 75% of Contingent Shares having vested on September 17, 2015 and the remaining Contingent Shares having vested in 36 equal monthly installments thereafter.

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January 07, 2021 Filed Jan 11, 2021 21:27 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 1,500 $50.01 $75,015.00
Disclosure

SEC source: 0001562180-21-000282 · primarydocument.xml · nonDerivative · entry 2

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 281,984

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

F2 · price: This transaction was executed in multiple trades at prices ranging from $50.00 to $50.095. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
January 07, 2021 Filed Jan 11, 2021 21:27 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionCommon Stock 1,500 $0.85 $1,275.00
Disclosure

SEC source: 0001562180-21-000282 · primarydocument.xml · nonDerivative · entry 1

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 283,484

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

Read SEC document
January 04, 2021 Filed Jan 6, 2021 13:49 UTC REGENXBIO Inc. RGNX · Entity 2211 GrantStock Option (Right to Buy) · Derivative 185,167 $0.00 Strike: $44.97 $0.00
Disclosure

SEC source: 0001562180-21-000139 · primarydocument.xml · derivative · entry 2

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 185,167

Underlying: Common Stock · 185,167 shares

Expires 2031-01-04

F2 · derivative.exercise_date: 25% of the shares subject to this option shall vest after 12 months of continuous service with the Issuer. The balance will vest in equal monthly installments over the 36 months following January 4, 2022 while the optionee provides continuous service to the Issuer.

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January 04, 2021 Filed Jan 6, 2021 13:49 UTC REGENXBIO Inc. RGNX · Entity 2211 GrantCommon Stock 40,984 $0.00 $0.00
Disclosure

SEC source: 0001562180-21-000139 · primarydocument.xml · nonDerivative · entry 1

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 281,984

F1 · shares: Represents shares of common stock underlying a time-based restricted stock unit award (RSU). 25% of the shares subject to this RSU will vest on each of January 1, 2022, January 1, 2023, January 1, 2024 and January 1, 2025 while the recipient provides continuous service to the Issuer.

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December 28, 2020 Filed Dec 30, 2020 21:23 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 6,500 $0.00 Strike: $0.85 $0.00
Disclosure

SEC source: 0001562180-20-007506 · primarydocument.xml · derivative · entry 4

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,170

Underlying: Common Stock · 6,500 shares

Expires 2024-09-23

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

F4 · derivative.exercise_date: The previously granted option, representing a right to purchase a total of 708,200 shares, became exercisable as follows: 474,490 of the shares subject to the option are initial shares ("Initial Shares") and 233,710 of the shares subject to the option are contingent shares ("Contingent Shares"). 120,394 of the Initial Shares vested on September 17, 2014, 88,524 of the Initial Shares vested on September 17, 2015 and an additional 7,377 of the Initial Shares vested upon each month of continuous service to the Company thereafter. 25% of the Contingent Shares were deemed vested as of September 17, 2014 on January 13, 2015 due to a subsequent event. The remainder of the Contingent Shares vested over four years of service following September 17, 2014, with 25% of the remaining 75% of Contingent Shares having vested on September 17, 2015 and the remaining Contingent Shares having vested in 36 equal monthly installments thereafter.

Read SEC document
December 28, 2020 Filed Dec 30, 2020 21:23 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 1,853 $49.16 $91,093.48
Disclosure

SEC source: 0001562180-20-007506 · primarydocument.xml · nonDerivative · entry 3

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 241,000

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

F3 · price: This transaction was executed in multiple trades at prices ranging from $48.87 to $49.62. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
December 28, 2020 Filed Dec 30, 2020 21:23 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 4,647 $48.47 $225,240.09
Disclosure

SEC source: 0001562180-20-007506 · primarydocument.xml · nonDerivative · entry 2

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 242,853

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

F2 · price: This transaction was executed in multiple trades at prices ranging from $47.87 to $48.86. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
December 28, 2020 Filed Dec 30, 2020 21:23 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionCommon Stock 6,500 $0.85 $5,525.00
Disclosure

SEC source: 0001562180-20-007506 · primarydocument.xml · nonDerivative · entry 1

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 247,500

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

Read SEC document
December 23, 2020 Filed Dec 28, 2020 21:17 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 4,500 $0.00 Strike: $0.85 $0.00
Disclosure

SEC source: 0001562180-20-007469 · primarydocument.xml · derivative · entry 3

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,670

Underlying: Common Stock · 4,500 shares

Expires 2024-09-23

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

F2 · derivative.exercise_date: The previously granted option, representing a right to purchase a total of 708,200 shares, became exercisable as follows: 474,490 of the shares subject to the option are initial shares ("Initial Shares") and 233,710 of the shares subject to the option are contingent shares ("Contingent Shares"). 120,394 of the Initial Shares vested on September 17, 2014, 88,524 of the Initial Shares vested on September 17, 2015 and an additional 7,377 of the Initial Shares vested upon each month of continuous service to the Company thereafter. 25% of the Contingent Shares were deemed vested as of September 17, 2014 on January 13, 2015 due to a subsequent event. The remainder of the Contingent Shares vested over four years of service following September 17, 2014, with 25% of the remaining 75% of Contingent Shares having vested on September 17, 2015 and the remaining Contingent Shares having vested in 36 equal monthly installments thereafter.

Read SEC document
December 23, 2020 Filed Dec 28, 2020 21:17 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 4,500 $50.00 $225,000.00
Disclosure

SEC source: 0001562180-20-007469 · primarydocument.xml · nonDerivative · entry 2

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 241,000

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

Read SEC document
December 23, 2020 Filed Dec 28, 2020 21:17 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionCommon Stock 4,500 $0.85 $3,825.00
Disclosure

SEC source: 0001562180-20-007469 · primarydocument.xml · nonDerivative · entry 1

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 245,500

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

Read SEC document
December 16, 2020 Filed Dec 18, 2020 21:20 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 15,000 $0.00 Strike: $0.85 $0.00
Disclosure

SEC source: 0001562180-20-007351 · primarydocument.xml · derivative · entry 3

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,170

Underlying: Common Stock · 15,000 shares

Expires 2024-09-23

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

F2 · derivative.exercise_date: The previously granted option, representing a right to purchase a total of 708,200 shares, became exercisable as follows: 474,490 of the shares subject to the option are initial shares ("Initial Shares") and 233,710 of the shares subject to the option are contingent shares ("Contingent Shares"). 120,394 of the Initial Shares vested on September 17, 2014, 88,524 of the Initial Shares vested on September 17, 2015 and an additional 7,377 of the Initial Shares vested upon each month of continuous service to the Company thereafter. 25% of the Contingent Shares were deemed vested as of September 17, 2014 on January 13, 2015 due to a subsequent event. The remainder of the Contingent Shares vested over four years of service following September 17, 2014, with 25% of the remaining 75% of Contingent Shares having vested on September 17, 2015 and the remaining Contingent Shares having vested in 36 equal monthly installments thereafter.

Read SEC document
December 16, 2020 Filed Dec 18, 2020 21:20 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 15,000 $45.00 $675,000.00
Disclosure

SEC source: 0001562180-20-007351 · primarydocument.xml · nonDerivative · entry 2

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 241,000

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

Read SEC document
December 16, 2020 Filed Dec 18, 2020 21:20 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionCommon Stock 15,000 $0.85 $12,750.00
Disclosure

SEC source: 0001562180-20-007351 · primarydocument.xml · nonDerivative · entry 1

Mills Kenneth T. · CIK 0001652824 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 256,000

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 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan.

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.