Skip to content

Nasdaq · CIK 0001590877

RGNX REGENXBIO Inc.

Insider trading from SEC Form 4. Last filing 40 d ago. Close $8.07 on Oct 9, 2026, +43% from the 52-week low and -50% from the high.

REGENXBIO Inc. (RGNX) has 50 SEC Form 4 filings on file from 15 insiders, the latest filed on Sep 3, 2026. In the last 90 days insiders made 1 open-market buy worth $949k and 0 open-market sells worth $0, net +$949k.

7 open-market trades have been scored at RGNX. The newest: Gregory Austin Ciongoli (director) bought $949k of stock on Aug 26, 2026, filed Aug 27, 2026, scored 57 (moderate).

RGNX closed at $8.07 on Oct 9, 2026, 43% above its 52-week low and 50% below its 52-week high.

7 Form 144 notices of planned sales are on file, the latest filed Jul 1, 2026.

Last 90 days

Net insider value
+$949k
more bought than sold
Buys
1
$949k by 1 insider
Sells
0
$0 by 0 insiders
Insiders on file
15
with a Form 4 at this company

Price and insider trades, last year

RGNXOct 9, 2026 · close 8.07

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

Open-market buys and sells at REGENXBIO Inc., scored.

ScoreInsiderValueHoldingsPrice contextFiled
57ModerateGregory Austin Ciongoli
director
buy
$949k
102,603 shares
+665%+66% from low-41% from high
6WeakSteve Pakola
Chief Medical Officer
sell
$169k
15,309 shares
-6%+35% from low-37% from high
2WeakSteve Pakola
Chief Medical Officer
sell
$53k
5,124 shares
-2%+86% from low-38% from high
18WeakCurran Simpson
Chief Executive Officer
sell
$263k
20,811 shares
-9%-
13WeakCurran Simpson
Chief Executive Officer
sell
$76k
7,624 shares
-3%-
13WeakCurran Simpson
Chief Executive Officer
sell
$77k
7,734 shares
-3%-
0WeakKenneth T. Mills
director
sell
$163k
20,602 shares
-4%-

Planned sales

Form 144 notices filed before a sale of restricted or control stock, newest first. The sale itself usually reaches a Form 4 within days. All planned sales

FiledSellerSharesValueSale datePast 3 months
Jul 1, 2026 Stephen J. Pakola
Officer
43,206
0.08% of outstanding
$518kJul 1, 2026$385k
May 11, 2026 STEPHEN PAKOLA
Officer
34,917
0.07% of outstanding
$368kMay 11, 2026$53k
Mar 10, 2026 STEPHEN J PAKOLA
Officer
5,124
0.01% of outstanding
$53kMar 10, 2026none
Oct 9, 2025 CURRAN M SIMPSON
Director, Officer
20,811
0.04% of outstanding
$254kOct 9, 2025$154k
Sep 10, 2025 CURRAN M SIMPSON
Director, Officer
15,358
0.03% of outstanding
$152kSep 10, 2025none
May 12, 2025 KENNETH MILLS
Director
20,602
0.04% of outstanding
$155kMay 12, 2025none
Dec 30, 2024 VITTAL VASISTA
Officer
20,041
0.04% of outstanding
$149kDec 30, 2024none

Transactions

The newest 50 of 83 rows filed, every code.

DateInsiderTransactionSharesPriceValueHoldings afterFiled
Sep 1, 2026Mitchell Chan
Chief Financial Officer
FTax withholding
Common Stock
-4,902$9.32$46k122,81540 d ago
Sep 1, 2026Craig Malzahn
Chief Technology Officer
FTax withholding
Common Stock
-234$9.32$2,18181,96040 d ago
Aug 25, 2026Gregory Austin Ciongoli
director
AGrant or award
Common Stock
+15,432$0.00$015,432Aug 27, 2026
Aug 26, 2026Gregory Austin Ciongoli
director
POpen-market purchase
Common Stock
+49,196$9.14$450k64,628Aug 27, 2026
Aug 27, 2026Gregory Austin Ciongoli
director
POpen-market purchase
Common Stock
+53,407$9.36$500k118,035Aug 27, 2026
Aug 25, 2026Gregory Austin Ciongoli
director
AGrant or award
Stock Options (Right to buy)derivative
+69,609$0.00$069,609Aug 27, 2026
Aug 1, 2026Patrick J. Christmas
Chief Strategy & Legal Officer
FTax withholding
Common Stock
-4,699$9.69$46k205,968Aug 4, 2026
May 29, 2026Jean Bennett
director
AGrant or award
Common Stock
+9,807$0.00$028,861Jun 2, 2026
May 29, 2026Kenneth T. Mills
director
AGrant or award
Common Stock
+9,807$0.00$0495,925Jun 2, 2026
May 29, 2026Allan M. Fox
director
AGrant or award
Common Stock
+9,807$0.00$028,861Jun 2, 2026
May 29, 2026Daniel Tasse
director
AGrant or award
Common Stock
+9,807$0.00$028,861Jun 2, 2026
May 29, 2026George Migausky V
director
AGrant or award
Common Stock
+9,807$0.00$028,861Jun 2, 2026
May 29, 2026David C Stump
director
AGrant or award
Common Stock
+9,807$0.00$028,861Jun 2, 2026
May 29, 2026Alexandra Glucksmann
director
AGrant or award
Common Stock
+9,807$0.00$028,861Jun 2, 2026
May 29, 2026Jennifer Zachary
director
AGrant or award
Common Stock
+9,807$0.00$031,871Jun 2, 2026
May 29, 2026Argeris N Karabelas
director
AGrant or award
Common Stock
+9,807$0.00$028,861Jun 2, 2026
May 29, 2026George Migausky V
director
AGrant or award
Stock Options (Right to Buy)derivative
+46,600$0.00$046,600Jun 2, 2026
May 29, 2026Kenneth T. Mills
director
AGrant or award
Stock Options (Right to Buy)derivative
+46,600$0.00$046,600Jun 2, 2026
May 29, 2026Jean Bennett
director
AGrant or award
Stock Options (Right to Buy)derivative
+46,600$0.00$046,600Jun 2, 2026
May 29, 2026David C Stump
director
AGrant or award
Stock Options (Right to Buy)derivative
+46,600$0.00$046,600Jun 2, 2026
May 29, 2026Daniel Tasse
director
AGrant or award
Stock Options (Right to Buy)derivative
+46,600$0.00$046,600Jun 2, 2026
May 29, 2026Jennifer Zachary
director
AGrant or award
Stock Options (Right to Buy)derivative
+46,600$0.00$046,600Jun 2, 2026
May 29, 2026Alexandra Glucksmann
director
AGrant or award
Stock Options (Right to Buy)derivative
+46,600$0.00$046,600Jun 2, 2026
May 29, 2026Argeris N Karabelas
director
AGrant or award
Stock Options (Right to Buy)derivative
+46,600$0.00$046,600Jun 2, 2026
May 29, 2026Allan M. Fox
director
AGrant or award
Stock Options (Right to Buy)derivative
+46,600$0.00$046,600Jun 2, 2026
May 11, 2026Steve Pakola
Chief Medical Officer
SOpen-market sale
Common Stock10b5-1
-15,309$11.02$169k232,617May 13, 2026
Mar 10, 2026Steve Pakola
Chief Medical Officer
SOpen-market sale
Common Stock10b5-1
-5,124$10.35$53k247,926Mar 12, 2026
Feb 1, 2026Patrick J. Christmas
Chief Strategy & Legal Officer
FTax withholding
Common Stock
-4,700$11.16$52k210,667Feb 3, 2026
Feb 1, 2026Steve Pakola
Chief Medical Officer
FTax withholding
Common Stock
-5,267$11.16$59k253,050Feb 3, 2026
Jan 27, 2026Kenneth T. Mills
director
MOption exercise
Common Stock
+225,000$13.09$2.9M707,871Jan 29, 2026
Jan 27, 2026Kenneth T. Mills
director
FTax withholding
Common Stock
-221,753$13.41$3.0M486,118Jan 29, 2026
Jan 27, 2026Kenneth T. Mills
director
MOption exercise
Stock Options (Right to Buy)derivative
-225,000$0.00$0225,000Jan 29, 2026
Jan 6, 2026Mitchell Chan
Chief Financial Officer
AGrant or award
Common Stock
+73,749$0.00$0127,717Jan 8, 2026
Jan 6, 2026Patrick J. Christmas
Chief Strategy & Legal Officer
AGrant or award
Common Stock
+73,749$0.00$0215,367Jan 8, 2026
Jan 6, 2026Craig Malzahn
Chief Technology Officer
AGrant or award
Common Stock
+65,847$0.00$082,194Jan 8, 2026
Jan 6, 2026Steve Pakola
Chief Medical Officer
AGrant or award
Common Stock
+65,847$0.00$0258,317Jan 8, 2026
Jan 6, 2026Curran Simpson
Chief Executive Officer
AGrant or award
Common Stock
+144,864$0.00$0342,467Jan 8, 2026
Jan 6, 2026Mitchell Chan
Chief Financial Officer
AGrant or award
Stock Options (Right to buy)derivative
+39,650$0.00$039,650Jan 8, 2026
Jan 6, 2026Patrick J. Christmas
Chief Strategy & Legal Officer
AGrant or award
Stock Options (Right to buy)derivative
+39,650$0.00$039,650Jan 8, 2026
Jan 6, 2026Craig Malzahn
Chief Technology Officer
AGrant or award
Stock Options (Right to buy)derivative
+35,402$0.00$035,402Jan 8, 2026
Jan 6, 2026Steve Pakola
Chief Medical Officer
AGrant or award
Stock Options (Right to buy)derivative
+35,402$0.00$035,402Jan 8, 2026
Jan 6, 2026Curran Simpson
Chief Executive Officer
AGrant or award
Stock Options (Right to buy)derivative
+233,651$0.00$0233,651Jan 8, 2026
Jan 2, 2026Patrick J. Christmas
Chief Strategy & Legal Officer
FTax withholding
Common Stock
-9,793$14.40$141k141,618Jan 6, 2026
Jan 2, 2026Craig Malzahn
Chief Technology Officer
FTax withholding
Common Stock
-1,238$14.40$18k16,347Jan 6, 2026
Jan 2, 2026Steve Pakola
Chief Medical Officer
FTax withholding
Common Stock
-18,247$14.40$263k192,470Jan 6, 2026
Jan 2, 2026Curran Simpson
Chief Executive Officer
FTax withholding
Common Stock
-18,559$14.40$267k197,603Jan 6, 2026
Oct 9, 2025Curran Simpson
Chief Executive Officer
SOpen-market sale
Common Stock10b5-1
-20,811$12.62$263k216,162Oct 10, 2025
Sep 29, 2025Curran Simpson
Chief Executive Officer
SOpen-market sale
Common Stock10b5-1
-7,624$10.03$76k236,973Oct 1, 2025
Sep 10, 2025Curran Simpson
Chief Executive Officer
SOpen-market sale
Common Stock10b5-1
-7,734$10.02$77k244,597Sep 12, 2025
Sep 1, 2025Mitchell Chan
Chief Financial Officer
FTax withholding
Common Stock
-4,901$8.93$44k53,968Sep 3, 2025
50 of 83 rows shown.

Insiders

Everyone who has filed a Form 4 here.

Questions about RGNX

Answered from the filings on this page, as of the latest one.

Are insiders buying RGNX?

As of Sep 3, 2026, SEC Form 4 filings show 1 open-market buy worth $949k by 1 insider and 0 open-market sells worth $0 by 0 insiders at REGENXBIO Inc. in the last 90 days, net +$949k. Only purchases (code P) and sales (code S) count; grants, option exercises and tax withholding do not.

Who was the last insider to trade RGNX on the open market?

Gregory Austin Ciongoli (director) bought $949k of RGNX on Aug 26, 2026 and filed the Form 4 on Aug 27, 2026. InsiderTell scored 57 (moderate).

How many insiders file Form 4 at REGENXBIO Inc.?

15 people have filed a Form 4 at REGENXBIO Inc., among them Jean Bennett (director), Mitchell Chan (Chief Financial Officer), Patrick J. Christmas (Chief Strategy & Legal Officer). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

RGNX insider trading: REGENXBIO Inc. | InsiderTell