Generation Bio Co (GBIO)

Ticker: GBIO Exchange: NSM


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Generation Bio Co. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Quinn Anthony G.
1 purchase — total 82,450 USD
Buy 13 Jan 2025
Value US$2,710,862.32 | Price 408.82 | Shares 95,245
Buy 10 Jan 2025
Value US$2,272,905.89 | Price 178.24 | Shares 4,968
Planned sale 1 Jul 2024
Value US$18,410.06 | Price 2.74 | Shares 6,719
Proposed sale 1 Jul 2024
Value US$18,410.06 | Price 2.74 | Shares 6,719
Planned sale 2 Jan 2024
Value US$3,960.90 | Price 1.62 | Shares 2,445
Planned sale 2 Jan 2024
Value US$3,960.90 | Price 1.62 | Shares 2,445
Buy 8 Dec 2023
Value US$13,179.77 | Price 1.79 | Shares 7,363
Buy 8 Dec 2023
Value US$1,159.34 | Price 1.82 | Shares 637
Buy 4 Dec 2023
Value US$18,000.00 | Price 1.50 | Shares 12,000
Buy 4 Dec 2023
Value US$225,000.00 | Price 1.50 | Shares 150,000
Buy 1 Dec 2023
Value US$124,777.95 | Price 1.41 | Shares 88,495
Buy 1 Dec 2023
Value US$252,777.60 | Price 1.31 | Shares 192,960
Buy 1 Dec 2023
Value US$144,000.00 | Price 1.44 | Shares 100,000
Planned sale 23 Aug 2023
Value US$15,361.88 | Price 4.93 | Shares 3,116
Planned sale 3 Jul 2023
Value US$16,483.64 | Price 5.29 | Shares 3,116
Planned sale 25 Apr 2023
Value US$13,433.54 | Price 4.61 | Shares 2,914
Proposed sale 25 Apr 2023
Value US$13,443.74 | Price 4.61 | Shares 2,914
Planned sale 26 Jan 2023
Value US$14,984.20 | Price 5.56 | Shares 2,695
Planned sale 10 Jan 2023
Value US$8,523.05 | Price 4.57 | Shares 1,865
Planned sale 9 Jan 2023
Value US$9,530.15 | Price 5.11 | Shares 1,865
Planned sale 27 Oct 2022
Value US$14,657.42 | Price 5.03 | Shares 2,914
Buy 19 Sep 2022
Value US$82,845.00 | Price 5.26 | Shares 15,750
Buy 16 Sep 2022
Value US$183,475.88 | Price 5.48 | Shares 33,481
Buy 15 Sep 2022
Value US$92,765.27 | Price 5.41 | Shares 17,147
Planned sale 15 Sep 2022
Value US$24,525.20 | Price 5.32 | Shares 4,610
Buy 14 Sep 2022
Value US$29,652.00 | Price 5.30 | Shares 5,600
Buy 13 Sep 2022
Value US$97,751.94 | Price 5.20 | Shares 18,784
Buy 10 Mar 2022
Value US$38,273.46 | Price 4.71 | Shares 8,126
Buy 9 Mar 2022
Value US$10,983.47 | Price 4.79 | Shares 2,293
Planned sale 29 Sep 2021
Value US$737.70 | Price 24.59 | Shares 30
Planned sale 29 Sep 2021
Value US$407,112.04 | Price 24.59 | Shares 16,556
Planned sale 29 Sep 2021
Value US$737.70 | Price 24.59 | Shares 30
Planned sale 29 Sep 2021
Value US$407,112.04 | Price 24.59 | Shares 16,556
Planned sale 28 Sep 2021
Value US$605.76 | Price 25.24 | Shares 24
Planned sale 28 Sep 2021
Value US$330,366.36 | Price 25.24 | Shares 13,089
Planned sale 28 Sep 2021
Value US$605.76 | Price 25.24 | Shares 24
Planned sale 28 Sep 2021
Value US$330,366.36 | Price 25.24 | Shares 13,089
Planned sale 27 Sep 2021
Value US$2,441.50 | Price 25.70 | Shares 95
Planned sale 27 Sep 2021
Value US$1,318,255.80 | Price 25.70 | Shares 51,294
Planned sale 27 Sep 2021
Value US$2,441.50 | Price 25.70 | Shares 95
Planned sale 27 Sep 2021
Value US$1,318,255.80 | Price 25.70 | Shares 51,294
Planned sale 10 Sep 2021
Value US$21,392.00 | Price 26.74 | Shares 800
Planned sale 10 Sep 2021
Value US$56,518.00 | Price 25.69 | Shares 2,200
Planned sale 23 Aug 2021
Value US$37,560.00 | Price 25.04 | Shares 1,500
Planned sale 10 Aug 2021
Value US$2,419.00 | Price 24.19 | Shares 100
Planned sale 10 Aug 2021
Value US$9,344.00 | Price 23.36 | Shares 400
Planned sale 10 Aug 2021
Value US$22,180.00 | Price 22.18 | Shares 1,000
Planned sale 8 Jul 2021
Value US$47,961.71 | Price 25.39 | Shares 1,889
Planned sale 8 Jul 2021
Value US$40,708.71 | Price 24.99 | Shares 1,629
Planned sale 24 Jun 2021
Value US$211.12 | Price 26.39 | Shares 8
Planned sale 24 Jun 2021
Value US$1,288.50 | Price 25.77 | Shares 50
Planned sale 24 Jun 2021
Value US$107,987.88 | Price 26.39 | Shares 4,092
Planned sale 24 Jun 2021
Value US$692,130.66 | Price 25.77 | Shares 26,858
Planned sale 24 Jun 2021
Value US$211.12 | Price 26.39 | Shares 8
Planned sale 24 Jun 2021
Value US$1,288.50 | Price 25.77 | Shares 50
Planned sale 24 Jun 2021
Value US$107,987.88 | Price 26.39 | Shares 4,092
Planned sale 24 Jun 2021
Value US$692,130.66 | Price 25.77 | Shares 26,858
Planned sale 23 Jun 2021
Value US$1,361.57 | Price 25.69 | Shares 53
Planned sale 23 Jun 2021
Value US$1,580.04 | Price 25.08 | Shares 63
Planned sale 23 Jun 2021
Value US$727,823.39 | Price 25.69 | Shares 28,331
Planned sale 23 Jun 2021
Value US$856,782.96 | Price 25.08 | Shares 34,162
Planned sale 23 Jun 2021
Value US$1,361.57 | Price 25.69 | Shares 53
Planned sale 23 Jun 2021
Value US$1,580.04 | Price 25.08 | Shares 63
Planned sale 23 Jun 2021
Value US$727,823.39 | Price 25.69 | Shares 28,331
Planned sale 23 Jun 2021
Value US$856,782.96 | Price 25.08 | Shares 34,162
Planned sale 22 Jun 2021
Value US$1,184.40 | Price 25.20 | Shares 47
Planned sale 22 Jun 2021
Value US$1,510.36 | Price 24.76 | Shares 61
Planned sale 22 Jun 2021
Value US$635,241.60 | Price 25.20 | Shares 25,208
Planned sale 22 Jun 2021
Value US$823,542.36 | Price 24.76 | Shares 33,261
Planned sale 22 Jun 2021
Value US$1,184.40 | Price 25.20 | Shares 47
Planned sale 22 Jun 2021
Value US$1,510.36 | Price 24.76 | Shares 61
Planned sale 22 Jun 2021
Value US$635,241.60 | Price 25.20 | Shares 25,208
Planned sale 22 Jun 2021
Value US$823,542.36 | Price 24.76 | Shares 33,261
Planned sale 21 Jun 2021
Value US$175.84 | Price 25.12 | Shares 7
Planned sale 21 Jun 2021
Value US$2,755.02 | Price 24.82 | Shares 111
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2025-01-14 2025-01-13 B Purchase Non-Executive Director
95,245 -43.4%
408.82
US$2,710,862
95,245 -43.4% 408.82 US$2,710,862
2025-01-14 2025-01-10 B Purchase Non-Executive Director
4,968 +12.6%
178.24
US$2,272,906
4,968 +12.6% 178.24 US$2,272,906
2024-07-03 2024-07-01 PlS Planned sale

CHIEF OPERATING OFFICER

Officer
89,967 +5.3%
369.66
US$4,990,929
89,967 +5.3% 369.66 US$4,990,929
2024-07-01 2024-07-01 PrS Proposed sale

Officer

Officer
6,719
2.74
US$18,410
6,719 2.74 US$18,410
2024-01-03 2024-01-02 PlS Planned sale

CHIEF STRATEGY OFFICER

Officer
2,445 -2.2%
1.62
US$3,961
2,445 -2.2% 1.62 US$3,961
2024-01-03 2024-01-02 PlS Planned sale

CHIEF OPERATING OFFICER

Officer
2,445 -29.6%
1.62
US$3,961
2,445 -29.6% 1.62 US$3,961
2023-12-11 2023-12-08 B Purchase Non-Executive Director
7,363 +inf%
1.79
US$13,180
7,363 +inf% 1.79 US$13,180
2023-12-11 2023-12-08 B Purchase Non-Executive Director
637 +5.3%
1.82
US$1,159
637 +5.3% 1.82 US$1,159
2023-12-06 2023-12-04 B Purchase Non-Executive Director
12,000 +inf%
1.50
US$18,000
12,000 +inf% 1.50 US$18,000
2023-12-05 2023-12-04 B Purchase Non-Executive Director
150,000 +39.0%
1.50
US$225,000
150,000 +39.0% 1.50 US$225,000
2023-12-05 2023-12-01 B Purchase Non-Executive Director
88,495 +inf%
1.41
US$124,778
88,495 +inf% 1.41 US$124,778
2023-12-05 2023-12-01 B Purchase Non-Executive Director
192,960 +100.6%
1.31
US$252,778
192,960 +100.6% 1.31 US$252,778
2023-12-05 2023-12-01 B Purchase Non-Executive Director
100,000 +88.0%
1.44
US$144,000
100,000 +88.0% 1.44 US$144,000
2023-08-25 2023-08-23 PlS Planned sale

CHIEF OPERATING OFFICER

Officer
3,116 -51.7%
4.93
US$15,362
3,116 -51.7% 4.93 US$15,362
2023-07-05 2023-07-03 PlS Planned sale

CHIEF STRATEGY OFFICER

Officer
3,116 -3.0%
5.29
US$16,484
3,116 -3.0% 5.29 US$16,484
2023-04-26 2023-04-25 PlS Planned sale

CHIEF OPERATING OFFICER

Officer
2,914 -100.0%
4.61
US$13,434
2,914 -100.0% 4.61 US$13,434
2023-04-25 2023-04-25 PrS Proposed sale

Officer

Officer
2,914
4.61
US$13,444
2,914 4.61 US$13,444
2023-01-27 2023-01-26 PlS Planned sale

CHIEF OPERATING OFFICER

Officer
2,695 -100.0%
5.56
US$14,984
2,695 -100.0% 5.56 US$14,984
2023-01-11 2023-01-10 PlS Planned sale

CHIEF OPERATING OFFICER

Officer
1,865 -100.0%
4.57
US$8,523
1,865 -100.0% 4.57 US$8,523
2023-01-10 2023-01-09 PlS Planned sale

CHIEF STRATEGY OFFICER

Officer
1,865 -1.9%
5.11
US$9,530
1,865 -1.9% 5.11 US$9,530
2022-10-28 2022-10-27 PlS Planned sale

CHIEF OPERATING OFFICER

Officer
2,914 -100.0%
5.03
US$14,657
2,914 -100.0% 5.03 US$14,657
2022-09-20 2022-09-19 B Purchase Non-Executive Director
15,750 +8.9%
5.26
US$82,845
15,750 +8.9% 5.26 US$82,845
2022-09-19 2022-09-16 B Purchase Non-Executive Director
33,481 +23.5%
5.48
US$183,476
33,481 +23.5% 5.48 US$183,476
2022-09-19 2022-09-15 B Purchase Non-Executive Director
17,147 +13.7%
5.41
US$92,765
17,147 +13.7% 5.41 US$92,765
2022-09-19 2022-09-15 PlS Planned sale

CHIEF OPERATING OFFICER

Officer
4,610 -62.0%
5.32
US$24,525
4,610 -62.0% 5.32 US$24,525
2022-09-15 2022-09-14 B Purchase Non-Executive Director
5,600 +4.7%
5.30
US$29,652
5,600 +4.7% 5.30 US$29,652
2022-09-15 2022-09-13 B Purchase Non-Executive Director
18,784 +18.6%
5.20
US$97,752
18,784 +18.6% 5.20 US$97,752
2022-03-11 2022-03-10 B Purchase Non-Executive Director
8,126 +7.7%
4.71
US$38,273
8,126 +7.7% 4.71 US$38,273
2022-03-11 2022-03-09 B Purchase Non-Executive Director
2,293 +2.2%
4.79
US$10,983
2,293 +2.2% 4.79 US$10,983
2021-09-29 2021-09-29 PlS Planned sale Non-Executive Director
30 -4.7%
24.59
US$738
30 -4.7% 24.59 US$738
2021-09-29 2021-09-29 PlS Planned sale Non-Executive Director
16,556 -100.0%
24.59
US$407,112
16,556 -100.0% 24.59 US$407,112
2021-09-29 2021-09-29 PlS Planned sale Large shareholder
30 -4.7%
24.59
US$738
30 -4.7% 24.59 US$738
2021-09-29 2021-09-29 PlS Planned sale Large shareholder
16,556 -100.0%
24.59
US$407,112
16,556 -100.0% 24.59 US$407,112
2021-09-29 2021-09-28 PlS Planned sale Non-Executive Director
24 -3.6%
25.24
US$606
24 -3.6% 25.24 US$606
2021-09-29 2021-09-28 PlS Planned sale Non-Executive Director
13,089 -44.2%
25.24
US$330,366
13,089 -44.2% 25.24 US$330,366
2021-09-29 2021-09-28 PlS Planned sale Large shareholder
24 -3.6%
25.24
US$606
24 -3.6% 25.24 US$606
2021-09-29 2021-09-28 PlS Planned sale Large shareholder
13,089 -44.2%
25.24
US$330,366
13,089 -44.2% 25.24 US$330,366
2021-09-29 2021-09-27 PlS Planned sale Non-Executive Director
95 -12.5%
25.70
US$2,442
95 -12.5% 25.70 US$2,442
2021-09-29 2021-09-27 PlS Planned sale Non-Executive Director
51,294 -63.4%
25.70
US$1,318,256
51,294 -63.4% 25.70 US$1,318,256
2021-09-29 2021-09-27 PlS Planned sale Large shareholder
95 -12.5%
25.70
US$2,442
95 -12.5% 25.70 US$2,442
2021-09-29 2021-09-27 PlS Planned sale Large shareholder
51,294 -63.4%
25.70
US$1,318,256
51,294 -63.4% 25.70 US$1,318,256
2021-09-14 2021-09-10 PlS Planned sale

CHIEF SCIENTIFIC OFFICER

Officer
800 -0.4%
26.74
US$21,392
800 -0.4% 26.74 US$21,392
2021-09-14 2021-09-10 PlS Planned sale

CHIEF SCIENTIFIC OFFICER

Officer
2,200 -1.1%
25.69
US$56,518
2,200 -1.1% 25.69 US$56,518
2021-08-25 2021-08-23 PlS Planned sale

CHIEF SCIENTIFIC OFFICER

Officer
1,500 -0.8%
25.04
US$37,560
1,500 -0.8% 25.04 US$37,560
2021-08-11 2021-08-10 PlS Planned sale

CHIEF SCIENTIFIC OFFICER

Officer
100 -0.1%
24.19
US$2,419
100 -0.1% 24.19 US$2,419
2021-08-11 2021-08-10 PlS Planned sale

CHIEF SCIENTIFIC OFFICER

Officer
400 -0.2%
23.36
US$9,344
400 -0.2% 23.36 US$9,344
2021-08-11 2021-08-10 PlS Planned sale

CHIEF SCIENTIFIC OFFICER

Officer
1,000 -0.5%
22.18
US$22,180
1,000 -0.5% 22.18 US$22,180
2021-07-12 2021-07-08 PlS Planned sale

CHIEF MEDICAL OFFICER

Officer
1,889 -0.6%
25.39
US$47,962
1,889 -0.6% 25.39 US$47,962
2021-07-12 2021-07-08 PlS Planned sale

CHIEF MEDICAL OFFICER

Officer
1,629 -0.5%
24.99
US$40,709
1,629 -0.5% 24.99 US$40,709
2021-06-28 2021-06-24 PlS Planned sale Large shareholder
8 -1.3%
26.39
US$211
8 -1.3% 26.39 US$211
2021-06-28 2021-06-24 PlS Planned sale Large shareholder
50 -7.5%
25.77
US$1,288
50 -7.5% 25.77 US$1,288
2021-06-28 2021-06-24 PlS Planned sale Large shareholder
4,092 -100.0%
26.39
US$107,988
4,092 -100.0% 26.39 US$107,988
2021-06-28 2021-06-24 PlS Planned sale Large shareholder
26,858 -86.8%
25.77
US$692,131
26,858 -86.8% 25.77 US$692,131
2021-06-28 2021-06-24 PlS Planned sale Non-Executive Director
8 -1.3%
26.39
US$211
8 -1.3% 26.39 US$211
2021-06-28 2021-06-24 PlS Planned sale Non-Executive Director
50 -7.5%
25.77
US$1,288
50 -7.5% 25.77 US$1,288
2021-06-28 2021-06-24 PlS Planned sale Non-Executive Director
4,092 -100.0%
26.39
US$107,988
4,092 -100.0% 26.39 US$107,988
2021-06-28 2021-06-24 PlS Planned sale Non-Executive Director
26,858 -86.8%
25.77
US$692,131
26,858 -86.8% 25.77 US$692,131
2021-06-23 2021-06-23 PlS Planned sale Non-Executive Director
53 -7.4%
25.69
US$1,362
53 -7.4% 25.69 US$1,362
2021-06-23 2021-06-23 PlS Planned sale Non-Executive Director
63 -8.1%
25.08
US$1,580
63 -8.1% 25.08 US$1,580
2021-06-23 2021-06-23 PlS Planned sale Non-Executive Director
28,331 -47.8%
25.69
US$727,823
28,331 -47.8% 25.69 US$727,823
2021-06-23 2021-06-23 PlS Planned sale Non-Executive Director
34,162 -36.6%
25.08
US$856,783
34,162 -36.6% 25.08 US$856,783
2021-06-23 2021-06-23 PlS Planned sale Large shareholder
53 -7.4%
25.69
US$1,362
53 -7.4% 25.69 US$1,362
2021-06-23 2021-06-23 PlS Planned sale Large shareholder
63 -8.1%
25.08
US$1,580
63 -8.1% 25.08 US$1,580
2021-06-23 2021-06-23 PlS Planned sale Large shareholder
28,331 -47.8%
25.69
US$727,823
28,331 -47.8% 25.69 US$727,823
2021-06-23 2021-06-23 PlS Planned sale Large shareholder
34,162 -36.6%
25.08
US$856,783
34,162 -36.6% 25.08 US$856,783
2021-06-23 2021-06-22 PlS Planned sale Non-Executive Director
47 -5.7%
25.20
US$1,184
47 -5.7% 25.20 US$1,184
2021-06-23 2021-06-22 PlS Planned sale Non-Executive Director
61 -6.9%
24.76
US$1,510
61 -6.9% 24.76 US$1,510
2021-06-23 2021-06-22 PlS Planned sale Non-Executive Director
25,208 -21.2%
25.20
US$635,242
25,208 -21.2% 25.20 US$635,242
2021-06-23 2021-06-22 PlS Planned sale Non-Executive Director
33,261 -21.9%
24.76
US$823,542
33,261 -21.9% 24.76 US$823,542
2021-06-23 2021-06-22 PlS Planned sale Large shareholder
47 -5.7%
25.20
US$1,184
47 -5.7% 25.20 US$1,184
2021-06-23 2021-06-22 PlS Planned sale Large shareholder
61 -6.9%
24.76
US$1,510
61 -6.9% 24.76 US$1,510
2021-06-23 2021-06-22 PlS Planned sale Large shareholder
25,208 -21.2%
25.20
US$635,242
25,208 -21.2% 25.20 US$635,242
2021-06-23 2021-06-22 PlS Planned sale Large shareholder
33,261 -21.9%
24.76
US$823,542
33,261 -21.9% 24.76 US$823,542
2021-06-23 2021-06-21 PlS Planned sale Non-Executive Director
7 -0.8%
25.12
US$176
7 -0.8% 25.12 US$176
2021-06-23 2021-06-21 PlS Planned sale Non-Executive Director
111 -11.0%
24.82
US$2,755
111 -11.0% 24.82 US$2,755