🕵️ Regenxbio Inc. ($RGNX)

SEC insider & ownership activity, last 12 months · CIK 1590877 · every row links its SEC filing

Over the last 12 months insiders sold $1.4M with no open-market buying against it. Pakola Steve sold $940K (Mar–Jul). Blackrock, Inc. trimmed 11.0% → 7.3%; State Street Corporation added 4.4% → 5.3%. No red-flag 8-Ks in the window.

Aug 2025: net +$0 Sep 2025: net -$154K Oct 2025: net -$263K Nov 2025: net +$0 Dec 2025: net +$0 Jan 2026: net +$0 Mar 2026: net -$53K Mar 2026: net -$53K Apr 2026: net +$0 May 2026: net -$169K Jun 2026: net -$216K Jul 2026: net -$502K
Monthly net open-market insider flow, last 12 months (up = net buying)

Insider flow

0 buyers, $0 (0 lots) · 2 sellers, $1.4M (8 lots)

InsiderBuysBoughtSellsSoldLast
Pakola Steve0 5$940KJul 2, 2026
Curran M Simpson0 3$417KOct 9, 2025

5%+ holders

HolderStakeClassScheduleEvent
Redmile Group, LLC 9.9% 13GAug 14, 2025 filing ↗
Jeremy C. Green 9.9% 13GAug 14, 2025 filing ↗
Redmile Biopharma Investments III, L.P. 7.4% 13GAug 14, 2025 filing ↗
Blackrock, Inc. 7.3% 13GApr 24, 2025 filing ↗
State Street Corporation 5.3% 13GMay 12, 2026 filing ↗

Planned insider sales (Form 144)

SellerPlannedApprox. sale date
Stephen J. Pakola$518KJul 1, 2026 filing ↗
Stephen Pakola$368KMay 11, 2026 filing ↗
Stephen J Pakola$53KMar 10, 2026 filing ↗
Curran M Simpson$254KOct 9, 2025 filing ↗
Curran M Simpson$152KSep 10, 2025 filing ↗

Material events (8-K)

ItemEvent date
Other events (8.01)Jul 16, 2026 filing ↗
Financial Statements and Exhibits (9.01)Jul 16, 2026 filing ↗
Other events (8.01)Jun 23, 2026 filing ↗
Financial Statements and Exhibits (9.01)Jun 23, 2026 filing ↗
Shareholder vote (5.07)May 29, 2026 filing ↗
Other events (8.01)May 29, 2026 filing ↗
Earnings (2.02)May 14, 2026 filing ↗
Reg FD disclosure (7.01)May 14, 2026 filing ↗
Other events (8.01)May 14, 2026 filing ↗
Financial Statements and Exhibits (9.01)May 14, 2026 filing ↗
Material agreement (1.01)Mar 18, 2026 filing ↗
Earnings (2.02)Mar 5, 2026 filing ↗
Financial Statements and Exhibits (9.01)Mar 5, 2026 filing ↗
Reg FD disclosure (7.01)Feb 7, 2026 filing ↗
Other events (8.01)Feb 7, 2026 filing ↗
Financial Statements and Exhibits (9.01)Feb 7, 2026 filing ↗
Other events (8.01)Jan 23, 2026 filing ↗
Financial Statements and Exhibits (9.01)Jan 23, 2026 filing ↗
Earnings (2.02)Nov 6, 2025 filing ↗
Financial Statements and Exhibits (9.01)Nov 6, 2025 filing ↗
Other events (8.01)Aug 18, 2025 filing ↗
Financial Statements and Exhibits (9.01)Aug 18, 2025 filing ↗
Material agreement (1.01)Aug 5, 2025 filing ↗
Earnings (2.02)Aug 5, 2025 filing ↗
Reg FD disclosure (7.01)Aug 5, 2025 filing ↗
Financial Statements and Exhibits (9.01)Aug 5, 2025 filing ↗