Curran Simpson Regenxbio Inc. (RGNX) insider trading activity

Curran Simpson is Chief Executive Officer of REGENXBIO Inc.. Currently has a direct ownership of 244,597 shares of RGNX, which is worth approximately $2.22 Million. The most recent transaction as insider was on Sep 10, 2025, when has been sold 7,734 shares (Common Stock) at a price of $10.02 per share, resulting in proceeds of $77,494. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 245K

54.69% 3M change

43.85% 12M change

Total Value Held $2.22 Million

Curran Simpson Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Sep 10 2025	SELL Open market or private sale	$77,494 $10.02 p/Share	7,734 Reduced 3.07%	244,597 Common Stock
Jul 01 2025	SELL Payment of exercise price or tax liability	$38,689 $8.23 p/Share	4,701 Reduced 1.83%	252,331 Common Stock
Jan 02 2025	SELL Payment of exercise price or tax liability	$92,118 $7.73 p/Share	11,917 Reduced 7.01%	158,120 Common Stock
Jan 02 2025	BUY Grant, award, or other acquisition	-	98,912 Added 27.79%	257,032 Common Stock
Aug 01 2024	SELL Open market or private sale	$1,500 $15.0 p/Share	100 Reduced 0.06%	170,037 Common Stock
Jul 29 2024	SELL Open market or private sale	$145,105 $15.04 p/Share	9,648 Reduced 5.37%	170,137 Common Stock
Jul 01 2024	BUY Grant, award, or other acquisition	-	56,458 Added 23.9%	179,785 Common Stock
Jan 02 2024	SELL Payment of exercise price or tax liability	$145,754 $17.95 p/Share	8,120 Reduced 8.73%	84,865 Common Stock
Jan 02 2024	BUY Grant, award, or other acquisition	-	38,462 Added 23.77%	123,327 Common Stock
Jan 03 2023	SELL Payment of exercise price or tax liability	$47,083 $22.68 p/Share	2,076 Reduced 7.66%	25,040 Common Stock
Jan 03 2023	BUY Grant, award, or other acquisition	-	67,945 Added 42.22%	92,985 Common Stock
Jan 03 2022	BUY Grant, award, or other acquisition	-	10,700 Added 28.29%	27,116 Common Stock
Jan 01 2022	SELL Payment of exercise price or tax liability	$43,556 $32.7 p/Share	1,332 Reduced 7.51%	16,416 Common Stock
Jan 14 2021	SELL Open market or private sale	$580,716 $50.01 p/Share	11,612 Reduced 39.55%	17,748 Common Stock
Jan 14 2021	BUY Exercise of conversion of derivative security	$321,072 $27.65 p/Share	11,612 Added 28.34%	29,360 Common Stock
Jan 12 2021	SELL Open market or private sale	$85,051 $50.03 p/Share	1,700 Reduced 8.74%	17,748 Common Stock
Jan 12 2021	BUY Exercise of conversion of derivative security	$33,150 $19.5 p/Share	1,700 Added 8.04%	19,448 Common Stock
Jan 07 2021	SELL Open market or private sale	$259,302 $50.01 p/Share	5,185 Reduced 22.61%	17,748 Common Stock
Jan 07 2021	BUY Exercise of conversion of derivative security	$101,108 $19.5 p/Share	5,185 Added 18.44%	22,933 Common Stock
Jan 04 2021	BUY Grant, award, or other acquisition	-	13,800 Added 43.74%	17,748 Common Stock

Curran Simpson

Chief Executive Officer

Rockville, MD

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