RGNX Insider Trading

REGENXBIO Inc. · full profile →Last filing Mar 10, 2026
Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$53K
1 insiders
Net Insider Flow
-$53K
open market, 180d
Reporting Insiders
1
1 P/S transactions
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Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Recent Form 4 Transactions

100 shown
DateInsiderRoleActionSharesPriceValue
Mar 10, 2026Pakola SteveChief Medical OfficerSell(S)5K$10.35$53K
Feb 1, 2026Christmas Patrick J.Chief Strategy & Legal OfficerTax withholding(F)5K$11.16$52K
Feb 1, 2026Pakola SteveChief Medical OfficerTax withholding(F)5K$11.16$59K
Jan 27, 2026Mills Kenneth T.DirectorTax withholding(F)222K$13.41$3.0M
Jan 27, 2026Mills Kenneth T.DirectorOption exercise(M)225K$13.09$2.9M
Jan 27, 2026Mills Kenneth T.DirectorOption exercise(M)225K$0
Jan 6, 2026Simpson CurranChief Executive Officer, DirectorGrant(A)145K$0
Jan 6, 2026Simpson CurranChief Executive Officer, DirectorGrant(A)234K$0
Jan 6, 2026Christmas Patrick J.Chief Strategy & Legal OfficerGrant(A)74K$0
Jan 6, 2026Christmas Patrick J.Chief Strategy & Legal OfficerGrant(A)40K$0
Jan 6, 2026Pakola SteveChief Medical OfficerGrant(A)66K$0
Jan 6, 2026Pakola SteveChief Medical OfficerGrant(A)35K$0
Jan 6, 2026Chan MitchellChief Financial OfficerGrant(A)74K$0
Jan 6, 2026Chan MitchellChief Financial OfficerGrant(A)40K$0
Jan 6, 2026Malzahn CraigChief Technology OfficerGrant(A)66K$0
Jan 6, 2026Malzahn CraigChief Technology OfficerGrant(A)35K$0
Jan 2, 2026Simpson CurranChief Executive Officer, DirectorTax withholding(F)19K$14.40$267K
Jan 2, 2026Christmas Patrick J.Chief Strategy & Legal OfficerTax withholding(F)10K$14.40$141K
Jan 2, 2026Pakola SteveChief Medical OfficerTax withholding(F)18K$14.40$263K
Jan 2, 2026Malzahn CraigChief Technology OfficerTax withholding(F)1K$14.40$18K
Oct 9, 2025Simpson CurranChief Executive Officer, DirectorSell(S)21K$12.62$263K
Sep 29, 2025Simpson CurranChief Executive Officer, DirectorSell(S)8K$10.03$76K
Sep 10, 2025Simpson CurranChief Executive Officer, DirectorSell(S)8K$10.02$77K
Sep 1, 2025Chan MitchellChief Financial OfficerTax withholding(F)5K$8.93$44K
Sep 1, 2025Malzahn CraigChief Technology OfficerTax withholding(F)234$8.93$2K
Aug 1, 2025Christmas Patrick J.Chief Strategy & Legal OfficerTax withholding(F)5K$8.19$38K
Jul 1, 2025Simpson CurranChief Executive Officer, DirectorTax withholding(F)5K$8.23$39K
May 30, 2025Bennett JeanDirectorGrant(A)8K$0
May 30, 2025Bennett JeanDirectorGrant(A)40K$0
May 30, 2025Karabelas Argeris NDirectorGrant(A)8K$0
May 30, 2025Karabelas Argeris NDirectorGrant(A)40K$0
May 30, 2025Glucksmann AlexandraDirectorGrant(A)8K$0
May 30, 2025Glucksmann AlexandraDirectorGrant(A)40K$0
May 30, 2025Migausky George VDirectorGrant(A)8K$0
May 30, 2025Migausky George VDirectorGrant(A)40K$0
May 30, 2025Mills Kenneth T.DirectorGrant(A)8K$0
May 30, 2025Mills Kenneth T.DirectorGrant(A)40K$0
May 30, 2025Stump David CDirectorGrant(A)8K$0
May 30, 2025Stump David CDirectorGrant(A)40K$0
May 30, 2025Tasse DanielDirectorGrant(A)8K$0
May 30, 2025Tasse DanielDirectorGrant(A)40K$0
May 30, 2025Zachary JenniferDirectorGrant(A)8K$0
May 30, 2025Zachary JenniferDirectorGrant(A)40K$0
May 30, 2025Fox Allan M.DirectorGrant(A)8K$0
May 30, 2025Fox Allan M.DirectorGrant(A)40K$0
May 12, 2025Mills Kenneth T.DirectorOption exercise(M)21K$3.76$77K
May 12, 2025Mills Kenneth T.DirectorSell(S)21K$7.91$163K
May 12, 2025Mills Kenneth T.DirectorOption exercise(M)21K$0
Mar 27, 2025Mills Kenneth T.DirectorOption exercise(M)31K$3.76$116K
Mar 27, 2025Mills Kenneth T.DirectorOption exercise(M)31K$0
Feb 1, 2025Danos OlivierChief Scientific OfficerTax withholding(F)5K$8.07$44K
Feb 1, 2025Pakola SteveChief Medical OfficerTax withholding(F)5K$8.07$42K
Feb 1, 2025Christmas Patrick J.Chief Legal OfficerTax withholding(F)5K$8.07$38K
Jan 2, 2025Christmas Patrick J.Chief Legal OfficerTax withholding(F)11K$7.73$88K
Jan 2, 2025Christmas Patrick J.Chief Legal OfficerGrant(A)223K$0
Jan 2, 2025Chan MitchellChief Financial OfficerGrant(A)63K$0
Jan 2, 2025Danos OlivierChief Scientific OfficerGrant(A)59K$0
Jan 2, 2025Danos OlivierChief Scientific OfficerTax withholding(F)13K$7.73$98K
Jan 2, 2025Danos OlivierChief Scientific OfficerGrant(A)96K$0
Jan 2, 2025Pakola SteveChief Medical OfficerTax withholding(F)14K$7.73$107K
Jan 2, 2025Pakola SteveChief Medical OfficerGrant(A)64K$0
Jan 2, 2025Pakola SteveChief Medical OfficerGrant(A)104K$0
Jan 2, 2025Simpson CurranChief Executive Officer, DirectorGrant(A)479K$0
Oct 1, 2024Karabelas Argeris NDirectorOption exercise(M)10K$3.76$38K
Oct 1, 2024Karabelas Argeris NDirectorSell(S)10K$10.11$101K
Oct 1, 2024Karabelas Argeris NDirectorOption exercise(M)10K$0
Sep 16, 2024Chan MitchellChief Financial OfficerGrant(A)59K$0
Sep 16, 2024Chan MitchellChief Financial OfficerGrant(A)289K$0
Sep 3, 2024Karabelas Argeris NDirectorOption exercise(M)10K$3.76$38K
Sep 3, 2024Karabelas Argeris NDirectorSell(S)700$12.34$9K
Sep 3, 2024Karabelas Argeris NDirectorSell(S)9K$11.50$107K
Sep 3, 2024Karabelas Argeris NDirectorOption exercise(M)10K$0
Aug 8, 2024Mills Kenneth T.DirectorOption exercise(M)36K$0.85$31K
Aug 8, 2024Mills Kenneth T.DirectorOption exercise(M)36K$0
Aug 1, 2024Danos OlivierChief Scientific OfficerGrant(A)59K$0
Aug 1, 2024Simpson CurranChief Executive Officer, DirectorSell(S)100$15.00$2K
Aug 1, 2024Karabelas Argeris NDirectorSell(S)400$14.59$6K
Aug 1, 2024Karabelas Argeris NDirectorSell(S)10K$13.45$129K
Aug 1, 2024Karabelas Argeris NDirectorOption exercise(M)100$12.74$1K
Aug 1, 2024Karabelas Argeris NDirectorOption exercise(M)10K$3.76$38K
Aug 1, 2024Karabelas Argeris NDirectorSell(S)100$15.00$2K
Aug 1, 2024Karabelas Argeris NDirectorOption exercise(M)10K$0
Aug 1, 2024Karabelas Argeris NDirectorOption exercise(M)100$0
Aug 1, 2024Christmas Patrick J.Chief Legal OfficerGrant(A)56K$0
Aug 1, 2024Pakola SteveChief Medical OfficerGrant(A)58K$0
Jul 29, 2024Simpson CurranChief Executive Officer, DirectorSell(S)10K$15.04$145K
Jul 29, 2024Karabelas Argeris NDirectorSell(S)11K$15.05$166K
Jul 29, 2024Karabelas Argeris NDirectorOption exercise(M)11K$12.74$140K
Jul 29, 2024Karabelas Argeris NDirectorOption exercise(M)11K$0
Jul 25, 2024Mills Kenneth T.DirectorOption exercise(M)15K$3.76$58K
Jul 25, 2024Mills Kenneth T.DirectorSell(S)15K$13.96$215K
Jul 25, 2024Mills Kenneth T.DirectorOption exercise(M)15K$0
Jul 24, 2024Mills Kenneth T.DirectorSell(S)12K$13.78$168K
Jul 24, 2024Mills Kenneth T.DirectorOption exercise(M)12K$3.76$46K
Jul 24, 2024Mills Kenneth T.DirectorOption exercise(M)12K$0
Jul 17, 2024Mills Kenneth T.DirectorOption exercise(M)2K$3.76$8K
Jul 17, 2024Mills Kenneth T.DirectorSell(S)2K$13.77$30K
Jul 17, 2024Mills Kenneth T.DirectorOption exercise(M)2K$0
Jul 16, 2024Mills Kenneth T.DirectorOption exercise(M)200$3.76$752
Jul 16, 2024Mills Kenneth T.DirectorSell(S)200$13.76$3K

Data Source

Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.

Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).