Regenxbio RGNX Insider Ownership

NASDAQ RGNX
$7.49 +0.34 (+4.76%)
As of: Oct 20, 2026 · 11:26 AM EDT

Insider Holdings by Owner

2.28Mn Shares

Insider Ownership Statistics

as of 30 Sep, 2026
Insider Ownership
6.58%
▼-2.33% pp QoQ
Shares Held by Insiders
3.56Mn
filed for Sep 2026
▼-26.18% QoQ
Shares Outstanding
54.16Mn
54,164,000 shares
Direct Holdings
2.03Mn
Indirect: 1.53Mn
Net Shares Traded (QoQ)
-1.26Mn
net selling in Sep 2026
Insiders Holding Shares
17
with Form 4 holdings on file

Shares Owned by Insiders

Shares held % of outstanding
Latest —
Average ownership —
Peak ownership —

Shares Purchased/Sold by Insiders

Bought Sold
Latest quarter —
Net over range —
Buying quarters —

Insider Ownership Summary

Over the trailing 12 months, RGNX insiders bought $949,381 worth of shares (102.6K shares) and sold $939,970 worth (78.93K shares) in open-market trades.

Form 4 Holdings

Insiders Holding RGNX

Insiders 17
Shares held 2.28Mn
Of outstanding 4.21%
# Insider Position Direct Indirect Total Share of Insiders Last Filed
1 Kenneth T. Mills President And Ceo 495,925 0 495,925 21.8% 02 Jun, 2026
2 Curran Simpson Chief Executive Officer 342,467 0 342,467 15.0% 08 Jan, 2026
3 Vittal Vasista Chief Financial Officer 246,534 0 246,534 10.8% 21 Mar, 2024
4 Olivier Danos Chief Scientific Officer 226,348 0 226,348 9.9% 04 Apr, 2025
5 Patrick J. Christmas Chief Strategy Legal Officer 205,968 0 205,968 9.0% 04 Aug, 2026
6 Steve Pakola Chief Medical Officer 205,541 0 205,541 9.0% 04 Aug, 2026
7 Mitchell Chan Chief Financial Officer 122,815 0 122,815 5.4% 03 Sep, 2026
8 Gregory Austin Ciongoli Director 118,035 0 118,035 5.2% 27 Aug, 2026
9 Craig Malzahn Chief Technology Officer 81,960 0 81,960 3.6% 03 Sep, 2026
10 Jennifer Zachary Director 31,871 0 31,871 1.4% 02 Jun, 2026
11 Allan M. Fox Director 28,861 0 28,861 1.3% 02 Jun, 2026
12 Argeris N Karabelas Director 28,861 0 28,861 1.3% 02 Jun, 2026
13 David C Stump Director 28,861 0 28,861 1.3% 02 Jun, 2026
14 Daniel Tasse Director 28,861 0 28,861 1.3% 02 Jun, 2026
15 George V Migausky Director 28,861 0 28,861 1.3% 02 Jun, 2026
16 Alexandra Glucksmann Director 28,861 0 28,861 1.3% 02 Jun, 2026
17 Jean Bennett Director 28,861 0 28,861 1.3% 02 Jun, 2026

Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.

Form 4 Filings

1,109 Insider Transactions

Source SEC Form 4
Latest quarter Sep 2026
Download Data
Date Insider Position Transaction Shares Price Value Shares Held After Ownership
01 Sep, 2026 Craig Malzahn Chief Technology Officer Disposed F 234 $9.32 $2.18K 81,960 Direct
01 Sep, 2026 Mitchell Chan Chief Financial Officer Disposed F 4,902 $9.32 $45.69K 122,815 Direct
25 Aug, 2026 Gregory Austin Ciongoli Director Acquired A 15,432 $0.00 $0 15,432 Direct
26 Aug, 2026 Gregory Austin Ciongoli Director Acquired P 49,196 $9.14 $449.71K 64,628 Direct
27 Aug, 2026 Gregory Austin Ciongoli Director Acquired P 53,407 $9.36 $499.68K 118,035 Direct
25 Aug, 2026 Gregory Austin Ciongoli Director Acquired A 69,609 $0.00 $0 69,609 Direct
01 Aug, 2026 Patrick J. Christmas Chief Strategy Legal Officer Disposed F 4,699 $9.69 $45.53K 205,968 Direct
01 Aug, 2026 Steve Pakola Chief Medical Officer Disposed F 7,468 $9.69 $72.36K 205,541 Direct
02 Jul, 2026 Steve Pakola Chief Medical Officer Acquired M 2,161 $7.86 $16.99K 215,170 Direct
02 Jul, 2026 Steve Pakola Chief Medical Officer Disposed S 2,161 $13.64 $29.48K 213,009 Direct
02 Jul, 2026 Steve Pakola Chief Medical Officer Disposed M 2,161 $0.00 $0 64,812 Direct
29 Jun, 2026 Steve Pakola Chief Medical Officer Disposed S 19,608 $11.04 $216.47K 213,009 Direct
01 Jul, 2026 Steve Pakola Chief Medical Officer Acquired M 36,725 $7.86 $288.66K 249,734 Direct
01 Jul, 2026 Steve Pakola Chief Medical Officer Disposed S 36,725 $12.86 $472.28K 213,009 Direct
01 Jul, 2026 Steve Pakola Chief Medical Officer Disposed M 36,725 $0.00 $0 66,973 Direct
29 May, 2026 David C Stump Director Acquired A 9,807 $0.00 $0 28,861 Direct
29 May, 2026 Argeris N Karabelas Director Acquired A 9,807 $0.00 $0 28,861 Direct
29 May, 2026 George V Migausky Director Acquired A 9,807 $0.00 $0 28,861 Direct
29 May, 2026 Daniel Tasse Director Acquired A 9,807 $0.00 $0 28,861 Direct
29 May, 2026 Kenneth T. Mills Director Acquired A 9,807 $0.00 $0 495,925 Direct