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Company
▲ Purchases (0 ops.)
▼ Sales (6 ops.)
Latest filing published 09 Feb 2026 for Generation Bio Co..
Filing timeline
BuySaleGeoff Mcdonough
Insider track record
Disclosed buys
0
Disclosed sells
6
Signal history
Geoff Mcdonough: trading record in brief
Geoff Mcdonough (chief executive) discloses dealings in Generation Bio Co. to SEC (Form 4). The record holds 48 filings, for trades running from 16 June 2020 to 9 February 2026.
No open-market purchase appears, only 6 sales worth €898k. The rest of the record consists of 18 share grants and 18 option exercises.
Most recently, on 9 February 2026, the filings show a transaction in Generation Bio Co. Filings reach the SEC (Form 4) feed a median of 2 days after the trade. Section 16 rules allow two business days to file each Form 4. Selling is not necessarily a view on the stock: liquidity needs and diversification are common motives. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.
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Declarations48 total
22,646 sharesCommon StockSEC:0001104659-26-012192:1
27,500 sharesCommon StockSEC:0001104659-26-012192:2
138,492 sharesCommon StockSEC:0001104659-26-012192:0
550 shares@ US$5.640.2% of flowCommon StockSEC:0001732701-26-000004:1
1,582 sharesCommon StockSEC:0001732701-26-000004:0
137 shares@ US$5.640.1% of flowCommon StockSEC:0001732701-26-000002:1
395 sharesCommon StockSEC:0001732701-26-000002:0
293 shares@ US$5.510.1% of flowCommon StockSEC:0001732701-25-000007:1
659 sharesCommon StockSEC:0001732701-25-000007:0
155 shares@ US$6.710.1% of flowCommon StockSEC:0001732701-25-000004:1
527 sharesCommon StockSEC:0001732701-25-000004:0
1,548 shares@ US$0.4260.0% of flowCommon StockSEC:0001415889-25-019920:1
5,273 sharesCommon StockSEC:0001415889-25-019920:0
1,548 shares@ US$0.36780.0% of flowCommon StockSEC:0001415889-25-010859:1
5,274 sharesCommon StockSEC:0001415889-25-010859:0
1,828 shares@ US$0.8880.1% of flowCommon StockSEC:0001415889-25-001679:1
5,274 sharesCommon StockSEC:0001415889-25-001679:0
1,548 shares@ US$2.420.3% of flowCommon StockSEC:0001415889-24-025335:1
5,274 sharesCommon StockSEC:0001415889-24-025335:0
1,548 shares@ US$2.930.3% of flowCommon StockSEC:0001415889-24-019648:1
5,274 sharesCommon StockSEC:0001415889-24-019648:0
1,548 shares@ US$3.700.4% of flowCommon StockSEC:0001415889-24-011039:1
5,274 sharesCommon StockSEC:0001415889-24-011039:0
21,094 sharesCommon StockSEC:0001415889-24-001328:2
8,121 shares@ US$1.911.1% of flowCommon StockSEC:0001415889-24-001328:1
25 of 48 declarations
