Charles A. Rowland Jr - Dec 1, 2023 Form 4 Insider Report for Generation Bio Co. (GBIO)

Role: Director
Signature: /s/ Benjamin Waters, Attorney-in-Fact
Stock symbol: GBIO
Transactions as of: Dec 1, 2023
Transactions value $: $477,778
Form type: 4
Date filed: 12/5/2023, 04:30 PM
Previous filing: Jun 16, 2023
Next filing: Jan 4, 2024

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	GBIO	Common Stock	Purchase	$253K	+193K	+100.61%	$1.31	385K	Dec 1, 2023	Direct	F1
transaction	GBIO	Common Stock	Purchase	$225K	+150K	+38.99%	$1.50	535K	Dec 4, 2023	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.13 to $1.44, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnotes (2) and (3) of this Form 4.
F2	The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.34 to $1.55, inclusive.

Content

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.13 to $1.44, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnotes (2) and (3) of this Form 4.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.34 to $1.55, inclusive.