Form 4 for RGNX REGENXBIO Inc.

Accepted 2024-08-12 00:00:00 ET · period of report 2024-08-08 · accession 0001562180-24-006146 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
D	2024-08-12	2024-08-08	RGNX	Mills Kenneth T.	Dir	M - OptEx	$0.85	+36.3K	444.4K	+9%	+$30.9K
D	2024-08-12	2024-08-08	RGNX	Mills Kenneth T.	Dir	M - OptEx	$0.00	-36.3K	0	-100%	$0

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2024-08-08	M	A	36,316	$0.85	444,351	D	—	—
2	Derivative	Stock Options (Right to Buy)	2024-08-08	M	D	36,316	$0.00	0	D	$0.85 · — to 2024-09-24	36,316 Common Stock	(F1) The previously granted option, representing a right to purchase a total of 708,200 shares, became exercisable as follows: 474,490 of the shares subject to the option are initial shares ("Initial Shares") and 233,710 of the shares subject to the option are contingent shares ("Contingent Shares"). 120,394 of the Initial Shares vested on September 17, 2014, 88,524 of the Initial Shares vested on September 17, 2015 and an additional 7,377 of the Initial Shares vested upon each month of continuous service to the Company thereafter. 25% of the Contingent Shares were deemed vested as of September 17, 2014 on January 13, 2015 due to a subsequent event. The remainder of the Contingent Shares vested over four years of service following September 17, 2014, with 25% of the remaining 75% of Contingent Shares having vested on September 17, 2015 and the remaining Contingent Shares having vested in 36 equal monthly installments thereafter.