Generation Bio Co. (GBIO)
Latest GBIO Insider Trades
About Generation Bio Co. (GBIO)
Generation Bio Co. is an SEC registrant, filing under CIK 0001733294, classified as pharmaceutical preparations. We track it alongside the rest of the Health Care sector.
90-Day SEC Filing Activity
No Form 4 activity for GBIO in the last 90 days.
GBIO Insider Transactions (Form 4)
14339 Form 4 filings on record, the earliest from Oct 17, 2024, newest first. Filing history page 1 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Atlas Venture Fund X, L.P. | Other | Common Stock | 711,193 |
GBIO Insider Trading - FAQ
What is the latest insider trade for GBIO?
Generation Bio Co. (GBIO) has filed no insider reports in the last 90 days. The most recent on record is dated 2026-02-09. The full record for GBIO runs to 39 Form 4 filings, the earliest from 2024-10-17. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying GBIO stock?
No insider purchases of GBIO were filed in the last 90 days.
How many insiders are selling GBIO stock?
No insider sales of GBIO were filed in the last 90 days.
Where can I see GBIO SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page tracks GBIO Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow GBIO insider buys?
Create a free InsiderAlpha account and press Watch on this page to add GBIO to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Health Care Companies with Insider Activity
Recent Insider Filings
10Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
- - Atlas Venture Fund X, L.P. view on EDGAR
- - Catherine Stehman-Breen view on EDGAR
- - Charles A. Rowland Jr. view on EDGAR
- - Jason P. Rhodes view on EDGAR
- - Anthony G. Quinn view on EDGAR
- - Donald William Nicholson view on EDGAR
- - Geoff McDonough view on EDGAR
- - Jeffrey M. Jonas view on EDGAR
- - Yalonda Howze view on EDGAR
Related Companies - Recent Insider Activity
Learn More
- What is SEC Form 4?
- The filing insiders must submit within two business days of a trade, and how to read its transaction codes.
- Insider activity in Health Care
- Where GBIO's peers are being bought and sold.
- Every recent Form 4
- The full market-wide feed, updated as filings arrive from SEC EDGAR.
Track GBIO insider activity as it files
Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
