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Generation Bio Co. (GBIO)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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3.3500+0.1800 (+5.68%)
At close: 04:00PM EDT
3.3600 +0.01 (+0.30%)
After hours: 05:13PM EDT

Insider transactions

Currency in USD
Insider purchases - Last 6 monthsSharesTrans
Purchases709,85220
Sales4,8902
Net shares purchased (sold)704,96222
Total insider shares held9.63MN/A
% net shares purchased (sold)7.90%N/A
Net institutional purchases - Prior quarter to latest quarterShares
Net shares purchased (sold)N/A
% change in institutional shares heldN/A

Insider transactions reported - last two years

InsiderTransactionTypeValueDateShares

MCDONOUGH CAMERON GEOFFREY
Chief Executive Officer

Direct15 Apr 20245,274

STANTON MATTHEW
Officer

Direct15 Apr 20241,674

NORKUNAS MATTHEW
Chief Financial Officer

Direct15 Apr 20243,347

HOWZE YALONDA
Officer

Direct15 Apr 202413,388

PAONE ANTOINETTE D
Chief Operating Officer

Direct15 Apr 20241,592

SAMAYOA PHILLIP
Officer

Direct15 Apr 20241,147

KERR DOUGLAS
Officer

Direct29 Jan 20245,021

ZIMMERMANN TRACY
Officer

Direct29 Jan 20245,021

MCDONOUGH CAMERON GEOFFREY
Chief Executive Officer

Direct12 Jan 202444,531

KERR DOUGLAS
Officer

Direct12 Jan 202414,131

STANTON MATTHEW
Officer

Direct12 Jan 202414,131

NORKUNAS MATTHEW
Chief Financial Officer

Direct12 Jan 202415,805

ZIMMERMANN TRACY
Officer

Direct12 Jan 202414,131

PAONE ANTOINETTE D
Chief Operating Officer

Direct12 Jan 202410,492

SAMAYOA PHILLIP
Officer

Direct12 Jan 20248,712

PAONE ANTOINETTE D
Chief Operating Officer

Sale at price 1.62 per share.Direct3,96102 Jan 20242,445

SAMAYOA PHILLIP
Officer

Sale at price 1.62 per share.Direct3,96102 Jan 20242,445

APPELHANS DANNIELLE
Director

Purchase at price 1.79 - 1.82 per share.Indirect14,33908 Dec 20238,000

ROWLAND CHARLES A JR
Director

Purchase at price 1.31 - 1.50 per share.Direct477,77804 Dec 2023342,960

APPELHANS DANNIELLE
Director

Purchase at price 1.50 per share.Direct18,00004 Dec 202312,000

QUINN ANTHONY G
Director

Purchase at price 1.41 per share.Direct124,77801 Dec 202388,495

NICHOLSON DONALD WILLIAM
Director

Purchase at price 1.44 per share.Direct144,00001 Dec 2023100,000

MCDONOUGH CAMERON GEOFFREY
Chief Executive Officer

Direct13 Oct 202323,437

KERR DOUGLAS
Officer

Direct13 Oct 20237,437

STANTON MATTHEW
Officer

Direct13 Oct 20237,437

NORKUNAS MATTHEW
Chief Financial Officer

Direct13 Oct 20239,111

ZIMMERMANN TRACY
Officer

Direct13 Oct 20237,437

PAONE ANTOINETTE D
Chief Operating Officer

Direct13 Oct 20234,125

SAMAYOA PHILLIP
Officer

Direct13 Oct 20234,125

PAONE ANTOINETTE D
Chief Operating Officer

Sale at price 4.93 per share.Direct15,36223 Aug 20233,116

MCDONOUGH CAMERON GEOFFREY
Chief Executive Officer

Direct14 July 202323,437

KERR DOUGLAS
Officer

Direct14 July 20237,437

STANTON MATTHEW
Officer

Direct14 July 20237,437

NORKUNAS MATTHEW
Chief Financial Officer

Direct14 July 202310,785

ZIMMERMANN TRACY
Officer

Direct14 July 20237,437

PAONE ANTOINETTE D
Chief Operating Officer

Direct14 July 20234,125

SAMAYOA PHILLIP
Officer

Direct14 July 20234,125

SAMAYOA PHILLIP
Officer

Sale at price 5.29 per share.Direct16,48403 July 20233,116

PAONE ANTOINETTE D
Chief Operating Officer

Sale at price 4.61 per share.Direct13,43425 Apr 20232,914

MCDONOUGH CAMERON GEOFFREY
Chief Executive Officer

Direct14 Apr 202323,437

KERR DOUGLAS
Officer

Direct14 Apr 20237,437

STANTON MATTHEW
Officer

Direct14 Apr 20237,437

NORKUNAS MATTHEW
Chief Financial Officer

Direct14 Apr 20237,437

ZIMMERMANN TRACY
Officer

Direct14 Apr 20237,437

PAONE ANTOINETTE D
Chief Operating Officer

Direct14 Apr 20234,125

SAMAYOA PHILLIP
Officer

Direct14 Apr 20234,125

PAONE ANTOINETTE D
Chief Operating Officer

Sale at price 5.56 per share.Direct14,98426 Jan 20232,695

MCDONOUGH CAMERON GEOFFREY
Chief Executive Officer

Direct13 Jan 202323,438

KERR DOUGLAS
Officer

Direct13 Jan 20237,438

STANTON MATTHEW
Officer

Direct13 Jan 20237,438

NORKUNAS MATTHEW
Chief Financial Officer

Direct13 Jan 20237,438

ZIMMERMANN TRACY
Officer

Direct13 Jan 20237,438

PAONE ANTOINETTE D
Chief Operating Officer

Direct13 Jan 20234,125

SAMAYOA PHILLIP
Officer

Direct13 Jan 20234,125

PAONE ANTOINETTE D
Chief Operating Officer

Sale at price 4.57 per share.Direct8,52310 Jan 20231,865

SAMAYOA PHILLIP
Officer

Sale at price 5.11 per share.Direct9,53009 Jan 20231,865

COOPER RONALD HAROLD WILFRED
Director

Stock Award(Grant) at price 5.12 per share.Direct48,64005 Jan 20239,500

PAONE ANTOINETTE D
Chief Operating Officer

Sale at price 5.03 per share.Direct14,65727 Oct 20222,914

MCDONOUGH CAMERON GEOFFREY
Chief Executive Officer

Direct14 Oct 202223,438

KERR DOUGLAS
Officer

Direct14 Oct 20227,438

STANTON MATTHEW
Officer

Direct14 Oct 20227,438

NORKUNAS MATTHEW
Chief Financial Officer

Direct14 Oct 20227,438

ZIMMERMANN TRACY
Officer

Direct14 Oct 20227,438

PAONE ANTOINETTE D
Chief Operating Officer

Direct14 Oct 20224,125

SAMAYOA PHILLIP
Officer

Direct14 Oct 20224,125

PAONE ANTOINETTE D
Chief Operating Officer

Sale at price 5.24 per share.Direct14,81929 Sept 20222,828

ROWLAND CHARLES A JR
Director

Purchase at price 5.26 per share.Direct82,84519 Sept 202215,750

ROWLAND CHARLES A JR
Director

Purchase at price 5.41 - 5.48 per share.Direct276,24116 Sept 202250,628

PAONE ANTOINETTE D
Chief Operating Officer

Sale at price 5.32 per share.Direct24,52515 Sept 20224,610

ROWLAND CHARLES A JR
Director

Purchase at price 5.20 - 5.29 per share.Direct127,40414 Sept 202224,384

MCDONOUGH CAMERON GEOFFREY
Chief Executive Officer

Direct15 July 202246,876

KERR DOUGLAS
Officer

Direct15 July 202214,876

STANTON MATTHEW
Officer

Direct15 July 202214,876

NORKUNAS MATTHEW
Chief Financial Officer

Direct15 July 202214,876

ZIMMERMANN TRACY
Officer

Direct15 July 202214,876

PAONE ANTOINETTE D
Chief Operating Officer

Direct15 July 20228,250

NICHOLSON DONALD WILLIAM
Unknown

Purchase at price 4.71 - 4.79 per share.Direct49,25710 Mar 202210,419

QUINN ANTHONY G
Director

Stock Gift at price 0.00 per share.Direct028 Oct 202172,837

RHODES JASON P
Director

Sale at price 24.59 - 25.70 per share.Indirect2,059,51929 Sept 202181,088

ATLAS VENTURE ASSOCIATES X, L.P.
Beneficial Owner of more than 10% of a Class of Security

Sale at price 24.59 - 25.70 per share.Indirect2,059,51929 Sept 202181,088

RHODES JASON P
Director

Sale at price 25.84 - 26.55 per share.Indirect3,511,99324 Sept 2021134,998

ATLAS VENTURE ASSOCIATES X, L.P.
Beneficial Owner of more than 10% of a Class of Security

Sale at price 25.84 - 26.55 per share.Indirect3,511,99324 Sept 2021134,998

STANTON MATTHEW
Officer

Sale at price 28.07 per share.Direct126,31514 Sept 20214,500

STANTON MATTHEW
Officer

Conversion of Exercise of derivative security at price 4.59 per share.Direct20,65514 Sept 20214,500

STANTON MATTHEW
Officer

Sale at price 25.69 - 26.74 per share.Direct77,91010 Sept 20213,000

STANTON MATTHEW
Officer

Conversion of Exercise of derivative security at price 4.59 per share.Direct13,77010 Sept 20213,000

STANTON MATTHEW
Officer

Sale at price 25.04 per share.Direct37,56023 Aug 20211,500

STANTON MATTHEW
Officer

Conversion of Exercise of derivative security at price 4.59 per share.Direct6,88523 Aug 20211,500

STANTON MATTHEW
Officer

Sale at price 22.18 - 24.19 per share.Direct33,94310 Aug 20211,500

STANTON MATTHEW
Officer

Conversion of Exercise of derivative security at price 4.59 per share.Direct6,88510 Aug 20211,500

STANTON MATTHEW
Officer

Sale at price 24.40 - 25.51 per share.Direct75,08712 July 20213,000

STANTON MATTHEW
Officer

Conversion of Exercise of derivative security at price 4.59 per share.Direct13,77012 July 20213,000

KERR DOUGLAS
Officer

Sale at price 24.99 - 25.39 per share.Direct88,67008 July 20213,518

KERR DOUGLAS
Officer

Conversion of Exercise of derivative security at price 5.16 per share.Direct18,15308 July 20213,518

RHODES JASON P
Director

Sale at price 25.77 - 26.39 per share.Indirect801,61824 June 202131,008

ATLAS VENTURE ASSOCIATES X, L.P.
Beneficial Owner of more than 10% of a Class of Security

Sale at price 25.77 - 26.39 per share.Indirect801,61824 June 202131,008

RHODES JASON P
Director

Sale at price 24.76 - 25.69 per share.Indirect4,635,96723 June 2021185,078

ATLAS VENTURE ASSOCIATES X, L.P.
Beneficial Owner of more than 10% of a Class of Security

Sale at price 24.76 - 25.69 per share.Indirect4,635,96723 June 2021185,078

STANTON MATTHEW
Officer

Sale at price 28.08 per share.Direct42,12015 June 20211,500

STANTON MATTHEW
Officer

Conversion of Exercise of derivative security at price 4.59 per share.Direct6,88515 June 20211,500

STANTON MATTHEW
Officer

Sale at price 27.23 per share.Direct163,38010 June 20216,000

STANTON MATTHEW
Officer

Conversion of Exercise of derivative security at price 4.59 per share.Direct27,54010 June 20216,000

STANTON MATTHEW
Officer

Sale at price 34.05 per share.Direct51,07527 May 20211,500

STANTON MATTHEW
Officer

Conversion of Exercise of derivative security at price 4.59 per share.Direct6,88527 May 20211,500

STANTON MATTHEW
Officer

Sale at price 30.37 - 32.19 per share.Direct275,53411 May 20219,000

STANTON MATTHEW
Officer

Conversion of Exercise of derivative security at price 0.60 - 4.59 per share.Direct6,31011 May 20219,000

MCDONOUGH CAMERON GEOFFREY
Chief Executive Officer

Sale at price 35.47 - 36.32 per share.Direct356,33503 May 202110,000

ZIMMERMANN TRACY
Officer

Sale at price 35.54 - 36.30 per share.Direct89,23803 May 20212,500

ZIMMERMANN TRACY
Officer

Conversion of Exercise of derivative security at price 4.59 per share.Direct11,47503 May 20212,500

MCDONOUGH CAMERON GEOFFREY
Chief Executive Officer

Sale at price 35.10 per share.Direct351,00023 Apr 202110,000

STANTON MATTHEW
Officer

Sale at price 31.07 - 34.03 per share.Direct97,65022 Apr 20213,000

STANTON MATTHEW
Officer

Conversion of Exercise of derivative security at price 0.60 per share.Direct1,80022 Apr 20213,000

ZIMMERMANN TRACY
Officer

Sale at price 33.32 per share.Direct83,30022 Apr 20212,500

ZIMMERMANN TRACY
Officer

Conversion of Exercise of derivative security at price 4.59 per share.Direct11,47522 Apr 20212,500

STANTON MATTHEW
Officer

Sale at price 28.03 per share.Direct42,04516 Apr 20211,500

STANTON MATTHEW
Officer

Conversion of Exercise of derivative security at price 0.60 per share.Direct90016 Apr 20211,500

RHODES JASON P
Director

Sale at price 25.09 - 26.78 per share.Indirect3,646,96814 Apr 2021140,682

ATLAS VENTURE ASSOCIATES X, L.P.
Beneficial Owner of more than 10% of a Class of Security

Sale at price 25.09 - 26.78 per share.Indirect3,646,96814 Apr 2021140,682

STANTON MATTHEW
Officer

Sale at price 26.12 - 26.78 per share.Direct157,44612 Apr 20216,000

STANTON MATTHEW
Officer

Conversion of Exercise of derivative security at price 0.60 per share.Direct3,60012 Apr 20216,000

RHODES JASON P
Director

Sale at price 27.57 - 29.19 per share.Indirect3,583,86009 Apr 2021127,095

ATLAS VENTURE ASSOCIATES X, L.P.
Beneficial Owner of more than 10% of a Class of Security

Sale at price 27.57 - 29.19 per share.Indirect3,583,86009 Apr 2021127,095

KERR DOUGLAS
Officer

Sale at price 29.91 - 30.68 per share.Direct423,45105 Apr 202114,072

KERR DOUGLAS
Officer

Conversion of Exercise of derivative security at price 5.16 per share.Direct72,61205 Apr 202114,072

STANTON MATTHEW
Officer

Sale at price 34.57 - 35.28 per share.Direct367,21010 Mar 202110,500

STANTON MATTHEW
Officer

Conversion of Exercise of derivative security at price 0.60 per share.Direct6,30010 Mar 202110,500

KERR DOUGLAS
Officer

Sale at price 29.68 - 35.58 per share.Direct354,26705 Mar 202111,267

KERR DOUGLAS
Officer

Conversion of Exercise of derivative security at price 4.59 per share.Direct51,71605 Mar 202111,267

ZIMMERMANN TRACY
Officer

Sale at price 41.38 per share.Direct124,14003 Mar 20213,000

ZIMMERMANN TRACY
Officer

Conversion of Exercise of derivative security at price 4.59 per share.Direct13,77003 Mar 20213,000

MCDONOUGH CAMERON GEOFFREY
Chief Executive Officer

Sale at price 36.35 - 38.12 per share.Direct375,80101 Mar 202110,000

ZIMMERMANN TRACY
Officer

Sale at price 35.75 - 40.71 per share.Direct97,09901 Mar 20212,500

ZIMMERMANN TRACY
Officer

Conversion of Exercise of derivative security at price 4.59 per share.Direct11,47501 Mar 20212,500

STANTON MATTHEW
Officer

Sale at price 33.59 - 35.58 per share.Direct359,85610 Feb 202110,400

STANTON MATTHEW
Officer

Conversion of Exercise of derivative security at price 0.60 per share.Direct6,24010 Feb 202110,400

KERR DOUGLAS
Officer

Sale at price 33.01 - 34.08 per share.Direct375,95408 Feb 202111,267

KERR DOUGLAS
Officer

Conversion of Exercise of derivative security at price 4.59 per share.Direct51,71608 Feb 202111,267

ZIMMERMANN TRACY
Officer

Sale at price 33.05 per share.Direct82,62502 Feb 20212,500

ZIMMERMANN TRACY
Officer

Conversion of Exercise of derivative security at price 4.59 per share.Direct11,47502 Feb 20212,500

ANGELINO MARK D PH.D.
Chief Operating Officer

Sale at price 32.29 - 34.96 per share.Direct247,27315 Jan 20217,500

ANGELINO MARK D PH.D.
Chief Operating Officer

Conversion of Exercise of derivative security at price 4.59 per share.Direct34,42515 Jan 20217,500

STANTON MATTHEW
Officer

Sale at price 31.11 - 34.00 per share.Direct183,21214 Jan 20215,630

STANTON MATTHEW
Officer

Conversion of Exercise of derivative security at price 0.60 per share.Direct3,37814 Jan 20215,630

ZIMMERMANN TRACY
Officer

Sale at price 33.09 per share.Direct82,72514 Jan 20212,500

ZIMMERMANN TRACY
Officer

Conversion of Exercise of derivative security at price 4.59 per share.Direct11,47514 Jan 20212,500

MCDONOUGH CAMERON GEOFFREY
Chief Executive Officer

Stock Gift at price 0.00 per share.Direct013 Jan 2021275,000

ROWLAND CHARLES A JR
Director

Purchase at price 24.50 per share.Direct499,99611 Jan 202120,408

NICHOLSON DONALD WILLIAM
Director

Purchase at price 24.50 per share.Direct99,98411 Jan 20214,081

KERR DOUGLAS
Officer

Sale at price 27.17 - 28.80 per share.Direct310,76811 Jan 202111,267

KERR DOUGLAS
Officer

Conversion of Exercise of derivative security at price 4.59 per share.Direct51,71611 Jan 202111,267