Key facts
- This page summarizes Matthew Stanton's Form 4 filing for Generation Bio Co. (GBIO).
- 3 reported transactions and 1 derivative row are listed below.
- Accepted by SEC: 25 Aug 2021, 16:05.
Matthew Stanton - 23 Aug 2021 Form 4 Insider Report for Generation Bio Co. (GBIO)
- Reporting relationship
- CHIEF SCIENTIFIC OFFICER
- Issuer ticker
- GBIO
- Reported as of
- 23 Aug 2021
- Net transaction value
- -$30,675
- SEC form
- 4
- Accepted by SEC
- 25 Aug 2021, 16:05:46 UTC
- Prior SEC filing
- 11 Aug 2021
- Next SEC filing
- 14 Sep 2021
- Source filing
- View source filing
- Reporting owner signature
- /s/ Jennifer Elliott, Attorney-in-Fact
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Matthew Stanton filed Form 4 for Generation Bio Co. (GBIO) on 25 Aug 2021.
Change
- Previous filing in this sequence was filed on 11 Aug 2021.
- Current net transaction value: -$30,675.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
GBIO
transaction
Common Stock
Options Exercise
- Transaction value
- $6,885
- Shares
- +1,500
- Change %
- +0.76%
- Price
- $4.59
- Shares after
- 199,654
- Date
- 23 Aug 2021
- Ownership
- Direct
- Footnotes
- F1
GBIO
transaction
Common Stock
Sale
- Transaction value
- $37,560
- Shares
- -1,500
- Change %
- -0.75%
- Price
- $25.04*
- Shares after
- 198,154
- Date
- 23 Aug 2021
- Ownership
- Direct
- Footnotes
- F1, F2
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
GBIO
transaction
Derivative
Stock Option (right to buy)
Options Exercise
- Transaction value
- $0
- Shares
- -1,500
- Change %
- -1.6%
- Price
- $0.000000
- Shares after
- 93,077
- Date
- 23 Aug 2021
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 1,500
- Exercise price
- $4.59
- Footnotes
- F1, F3
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 3 footnotes
Footnote F1
These transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 24, 2020.
Footnote F2
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.00 to $25.13, 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 sold at each separate price within the ranges set forth in this footnote of this Form 4.
Footnote F3
The option to purchase 108,305 shares of common stock was granted on April 2, 2018. The shares underlying the option vest over four years, with 25% of the shares vested on April 2, 2019 and the remaining shares vesting in equal quarterly installments thereafter.