NASDAQ · GBIO

Generation Bio Co.

Healthcare · Biotechnology

$5.34

Up+$0.00 (+0.00%)

Updated Nov 5, 2026, 2:31 AM

SID Score

4.9/10

Composite research score

Smart Money

—

Institutional and insider signal

Market cap: 36.79M
P/E ratio: -0.51
Dividend yield: 0.00%
52-week range: — – —
Volume: 551.92K
Avg. volume: 59.35K

Price performance · GBIO

GBIO price history

1M range · 0 trading sessions · Daily adjusted prices

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Latest GBIO news

The latest Smart Investors Daily articles mentioning GBIO.

sec filingFeb 10, 2026

Generation Bio Co. (GBIO) Reports Material Event to SEC

earningsJan 6, 2026

GBIO (GBIO) Beats Q3 Earnings Estimates by $2.42

Latest GBIO news

The latest Smart Investors Daily articles mentioning GBIO.

GBIO research

SEC Filings

Recent regulatory filings and source documents.

GBIO SEC filings
Filed	Form	Description	Accepted	Document
Nov 21, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Oct 31, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Oct 31, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Oct 17, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Oct 17, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Oct 17, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Oct 17, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Oct 17, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jul 17, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jul 17, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jul 17, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jul 17, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jul 17, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 6, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 6, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 6, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 6, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 6, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 6, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 6, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 6, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jun 6, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Apr 17, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Apr 17, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Apr 17, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Apr 17, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Apr 17, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jan 17, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jan 17, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jan 17, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jan 17, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jan 17, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jan 14, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jan 14, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source
Jan 14, 2025	4	Form 4 - Statement of changes in beneficial ownership of securities	—	Open source

Filed

Form

Description

Accepted

Document

Nov 21, 2025