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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
December 03, 2018 Filed Dec 6, 2018 21:19 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 18,700 $60.34 $1,128,358.00
Disclosure

SEC source: 0001562180-18-004849 · primarydocument.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 232,300

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 $60.00 to $60.78. 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
November 26, 2018 Filed Nov 28, 2018 21:18 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 8,620 $64.64 $557,196.80
Disclosure

SEC source: 0001562180-18-004726 · primarydocument.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 251,000

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 $64.18 to $64.99. 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
November 26, 2018 Filed Nov 28, 2018 21:18 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 11,380 $63.81 $726,157.80
Disclosure

SEC source: 0001562180-18-004726 · primarydocument.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 259,620

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 $63.17 to $64.16. 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
November 21, 2018 Filed Nov 26, 2018 21:17 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 6,898 $61.92 $427,124.16
Disclosure

SEC source: 0001562180-18-004678 · primarydocument.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 271,000

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 $61.64 to $62.29. 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
November 21, 2018 Filed Nov 26, 2018 21:17 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 6,802 $61.22 $416,418.44
Disclosure

SEC source: 0001562180-18-004678 · primarydocument.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 277,898

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 $60.64 to $61.62. 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
November 21, 2018 Filed Nov 26, 2018 21:17 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 1,300 $60.09 $78,117.00
Disclosure

SEC source: 0001562180-18-004678 · primarydocument.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 284,700

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 $59.50 to $60.415. 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
November 12, 2018 Filed Nov 14, 2018 21:20 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 200 $64.30 $12,860.00
Disclosure

SEC source: 0001562180-18-004532 · primarydocument.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 286,000

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

Read SEC document
November 12, 2018 Filed Nov 14, 2018 21:20 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 6,214 $63.65 $395,521.10
Disclosure

SEC source: 0001562180-18-004532 · primarydocument.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 286,200

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 $63.30 to $64.25. 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
November 12, 2018 Filed Nov 14, 2018 21:20 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 13,586 $62.85 $853,880.10
Disclosure

SEC source: 0001562180-18-004532 · primarydocument.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 292,414

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 $62.29 to $63.28. 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
November 05, 2018 Filed Nov 7, 2018 23:00 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 4,709 $69.92 $329,253.28
Disclosure

SEC source: 0001562180-18-004451 · primarydocument.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 306,000

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

F6 · price: This transaction was executed in multiple trades at prices ranging from $69.80 to $70.23. 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
November 05, 2018 Filed Nov 7, 2018 23:00 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 3,340 $69.47 $232,029.80
Disclosure

SEC source: 0001562180-18-004451 · primarydocument.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 310,709

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

F5 · price: This transaction was executed in multiple trades at prices ranging from $68.80 to $69.79. 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
November 05, 2018 Filed Nov 7, 2018 23:00 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 3,635 $68.27 $248,161.45
Disclosure

SEC source: 0001562180-18-004451 · primarydocument.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 314,049

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 $67.74 to $68.63. 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
November 05, 2018 Filed Nov 7, 2018 23:00 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 4,816 $67.16 $323,442.56
Disclosure

SEC source: 0001562180-18-004451 · primarydocument.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 317,684

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 $66.73 to $67.69. 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
November 05, 2018 Filed Nov 7, 2018 23:00 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 3,500 $66.29 $232,015.00
Disclosure

SEC source: 0001562180-18-004451 · primarydocument.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 322,500

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 $65.73 to $66.72. 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.

Read SEC document
October 15, 2018 Filed Oct 17, 2018 20:17 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 5,710 $59.55 $340,030.50
Disclosure

SEC source: 0001562180-18-004240 · primarydocument.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 326,000

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 $59.17 to $60.06. 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
October 15, 2018 Filed Oct 17, 2018 20:17 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 1,800 $58.73 $105,714.00
Disclosure

SEC source: 0001562180-18-004240 · primarydocument.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 331,710

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 $58.16 to $59.03. 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 26, 2018 Filed Jan 28, 2020 21:18 UTC REGENXBIO Inc. RGNX · Entity 2211 GiftCommon Stock 1,000 $0.00 $0.00
Disclosure

SEC source: 0001562180-20-000618 · primarydocument.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 240,000

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

Read SEC document
September 17, 2018 Filed Sep 19, 2018 20:24 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 300 $81.12 $24,336.00
Disclosure

SEC source: 0001562180-18-003983 · primarydocument.xml · nonDerivative · entry 10

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 333,510

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

F10 · price: This transaction was executed in multiple trades at prices ranging from $80.80 to $81.30. 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 17, 2018 Filed Sep 19, 2018 20:24 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 200 $79.45 $15,890.00
Disclosure

SEC source: 0001562180-18-003983 · primarydocument.xml · nonDerivative · entry 9

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 333,810

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

F9 · price: This transaction was executed in multiple trades at prices ranging from $79.40 to $79.50. 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 17, 2018 Filed Sep 19, 2018 20:24 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 400 $78.73 $31,492.00
Disclosure

SEC source: 0001562180-18-003983 · primarydocument.xml · nonDerivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 334,010

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

F8 · price: This transaction was executed in multiple trades at prices ranging from $78.40 to $79.20. 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
September 17, 2018 Filed Sep 19, 2018 20:24 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 900 $77.88 $70,092.00
Disclosure

SEC source: 0001562180-18-003983 · primarydocument.xml · nonDerivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 334,410

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

F7 · price: This transaction was executed in multiple trades at prices ranging from $77.40 to $78.35. 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 17, 2018 Filed Sep 19, 2018 20:24 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 1,450 $76.72 $111,244.00
Disclosure

SEC source: 0001562180-18-003983 · primarydocument.xml · nonDerivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 335,310

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

F6 · price: This transaction was executed in multiple trades at prices ranging from $76.40 to $77.30. 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 17, 2018 Filed Sep 19, 2018 20:24 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 622 $75.29 $46,830.38
Disclosure

SEC source: 0001562180-18-003983 · primarydocument.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 336,760

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

F5 · price: This transaction was executed in multiple trades at prices ranging from $75.00 to $75.60. 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 17, 2018 Filed Sep 19, 2018 20:24 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 1,399 $73.80 $103,246.20
Disclosure

SEC source: 0001562180-18-003983 · primarydocument.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 337,382

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 $73.55 to $74.35. 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 17, 2018 Filed Sep 19, 2018 20:24 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 624 $73.04 $45,576.96
Disclosure

SEC source: 0001562180-18-003983 · primarydocument.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 338,781

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 $72.55 to $73.45. 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 17, 2018 Filed Sep 19, 2018 20:24 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 100 $71.10 $7,110.00
Disclosure

SEC source: 0001562180-18-003983 · primarydocument.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 339,405

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

Read SEC document
September 17, 2018 Filed Sep 19, 2018 20:24 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 1,515 $70.46 $106,746.90
Disclosure

SEC source: 0001562180-18-003983 · primarydocument.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 339,505

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 $70.05 to $70.90. 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
August 27, 2018 Filed Aug 29, 2018 20:20 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 145,000 $0.00 Strike: $0.85 $0.00
Disclosure

SEC source: 0001562180-18-003796 · primarydocument.xml · derivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 234,670

Underlying: Common Stock · 145,000 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.

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 vest 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 vest 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 vesting in 36 equal monthly installments thereafter.

Read SEC document
August 27, 2018 Filed Aug 29, 2018 20:20 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 1,753 $67.02 $117,486.06
Disclosure

SEC source: 0001562180-18-003796 · primarydocument.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 341,020

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 $66.80 to $67.50. 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
August 27, 2018 Filed Aug 29, 2018 20:20 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 5,757 $66.29 $381,631.53
Disclosure

SEC source: 0001562180-18-003796 · primarydocument.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 342,773

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 $65.80 to $66.75. 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
August 27, 2018 Filed Aug 29, 2018 20:20 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionCommon Stock 145,000 $0.85 $123,250.00
Disclosure

SEC source: 0001562180-18-003796 · primarydocument.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 348,530

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.

Read SEC document
June 20, 2018 Filed Jun 22, 2018 20:15 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 750 $67.66 $50,745.00
Disclosure

SEC source: 0001562180-18-003084 · primarydocument.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 203,530

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 $67.20 to $68.10. 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 20, 2018 Filed Jun 22, 2018 20:15 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 2,650 $66.59 $176,463.50
Disclosure

SEC source: 0001562180-18-003084 · primarydocument.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 204,280

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 $66.20 to $67.10. 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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June 20, 2018 Filed Jun 22, 2018 20:15 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 1,300 $65.48 $85,124.00
Disclosure

SEC source: 0001562180-18-003084 · primarydocument.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 206,930

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 $65.05 to $66.00. 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.

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June 20, 2018 Filed Jun 22, 2018 20:15 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 100 $63.45 $6,345.00
Disclosure

SEC source: 0001562180-18-003084 · primarydocument.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 208,230

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

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June 20, 2018 Filed Jun 22, 2018 20:15 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 200 $61.70 $12,340.00
Disclosure

SEC source: 0001562180-18-003084 · primarydocument.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 208,330

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

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May 21, 2018 Filed May 23, 2018 20:16 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 1,401 $48.39 $67,794.39
Disclosure

SEC source: 0001562180-18-002638 · primarydocument.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 208,530

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 $48.15 to $48.90. 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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May 21, 2018 Filed May 23, 2018 20:16 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 1,800 $47.88 $86,184.00
Disclosure

SEC source: 0001562180-18-002638 · primarydocument.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 209,931

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 $47.15 to $48.10. 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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May 21, 2018 Filed May 23, 2018 20:16 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 6,799 $46.56 $316,561.44
Disclosure

SEC source: 0001562180-18-002638 · primarydocument.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 211,731

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 $46.15 to $47.10. 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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April 20, 2018 Filed Apr 24, 2018 20:16 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 900 $39.93 $35,937.00
Disclosure

SEC source: 0001562180-18-001963 · primarydocument.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 218,530

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 $39.85 to $40.00. 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.

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April 20, 2018 Filed Apr 24, 2018 20:16 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 9,100 $39.48 $359,268.00
Disclosure

SEC source: 0001562180-18-001963 · primarydocument.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 219,430

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 $38.85 to $39.80. 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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March 20, 2018 Filed Mar 22, 2018 20:17 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 10,000 $29.55 $295,500.00
Disclosure

SEC source: 0001562180-18-001701 · primarydocument.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 228,530

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 $29.10 to $30.00. 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.

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February 20, 2018 Filed Feb 22, 2018 22:14 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 10,000 $26.56 $265,600.00
Disclosure

SEC source: 0001562180-18-001139 · primarydocument.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 238,530

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 $26.40 to $26.85. 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 22, 2018 Filed Jan 24, 2018 21:17 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 10,000 $27.33 $273,300.00
Disclosure

SEC source: 0001562180-18-000416 · primarydocument.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 248,530

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 $26.80 to $27.65. 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 11, 2018 Filed Jan 16, 2018 21:17 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 150,000 $0.00 Strike: $0.85 $0.00
Disclosure

SEC source: 0001562180-18-000317 · primarydocument.xml · derivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 379,670

Underlying: Common Stock · 150,000 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 · 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 vest 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 vest 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 vesting in 36 equal monthly installments thereafter.

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January 11, 2018 Filed Jan 16, 2018 21:17 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionCommon Stock 150,000 $0.85 $127,500.00
Disclosure

SEC source: 0001562180-18-000317 · primarydocument.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 258,530

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

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January 03, 2018 Filed Jan 5, 2018 21:43 UTC REGENXBIO Inc. RGNX · Entity 2211 GrantStock Option (Right to Buy) · Derivative 163,500 $0.00 Strike: $35.80 $0.00
Disclosure

SEC source: 0001562180-18-000238 · primarydocument.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 163,500

Underlying: Common Stock · 163,500 shares

Expires 2028-01-03

F1 · 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, 2019 while the optionee provides continuous service to the Issuer.

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December 20, 2017 Filed Dec 21, 2017 21:15 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 10,000 $31.75 $317,500.00
Disclosure

SEC source: 0001562180-17-003994 · primarydocument.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 108,530

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 $31.25 to $32.15. 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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November 20, 2017 Filed Nov 21, 2017 21:18 UTC REGENXBIO Inc. RGNX · Entity 2211 Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 30,000 $0.00 Strike: $0.85 $0.00
Disclosure

SEC source: 0001562180-17-003653 · primarydocument.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 529,670

Underlying: Common Stock · 30,000 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.

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 vest 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 vest 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 vesting in 36 equal monthly installments thereafter.

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November 20, 2017 Filed Nov 21, 2017 21:18 UTC REGENXBIO Inc. RGNX · Entity 2211 SaleCommon Stock 10,000 $27.71 $277,100.00
Disclosure

SEC source: 0001562180-17-003653 · primarydocument.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 118,530

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 $27.30 to $28.05. 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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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.