Stock chart
Ticker: GERN Exchange: NSM


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Earnings
Earnings
 
Value bought

Past 90 days

 
Value sold

Past 90 days

 
Net insiders buying

Past 90 days

 
Trades (buy and sell)

Past 90 days

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned 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
2025-03-03 2025-02-27 B Purchase

SCARLETT JOHN A

Chairman, President and CEO

Executive Director
12,500 +inf%
1.77
USD 22,063
12,500 +inf% 1.77 USD 22,063
2025-03-03 2025-02-27 B Purchase

Ziegler James

EVP, Chief Commercial Officer

Officer
100,000 +inf%
1.60
USD 160,000
100,000 +inf% 1.60 USD 160,000
2025-03-03 2025-02-27 B Purchase

Samuels Scott Alan

EVP, Chief Legal Officer

Officer
15,000 +128.4%
1.61
USD 24,150
15,000 +128.4% 1.61 USD 24,150
2024-07-10 2024-07-08 S Sale

GRETHLEIN ANDREW J

EVP, Chief Operating Officer

Officer
674,348 -100.0%
4.56
USD 3,073,004
674,348 -100.0% 4.56 USD 3,073,004
2024-06-12 2024-06-10 S Sale

Kapur Anil

EVP, Corp Strategy & CCO

Officer
421,875 -100.0%
4.65
USD 1,959,609
421,875 -100.0% 4.65 USD 1,959,609
2024-06-12 2024-06-10 S Sale

Feller Faye

EVP, Chief Medical Officer

Officer
287,900 -100.0%
4.63
USD 1,334,129
287,900 -100.0% 4.63 USD 1,334,129
2024-06-05 2024-06-04 PS Planned sale

SCARLETT JOHN A

Chairman, President and CEO

Executive Director
600,000 -50.0%
4.00
USD 2,400,000
600,000 -50.0% 4.00 USD 2,400,000
2024-05-17 2024-05-15 PS Planned sale

LAWLIS V BRYAN

Non-Executive Director
35,000 -100.0%
3.75
USD 131,250
35,000 -100.0% 3.75 USD 131,250
2023-08-24 2023-08-24 B Purchase

O'Farrell Elizabeth G.

Non-Executive Director
6,579 +33.5%
2.28
USD 15,000
6,579 +33.5% 2.28 USD 15,000
2023-08-24 2023-08-24 B Purchase

O'Farrell Elizabeth G.

Non-Executive Director
6,607 +825.9%
2.28
USD 15,064
6,607 +825.9% 2.28 USD 15,064
2023-05-11 2023-05-11 PS Planned sale

LAWLIS V BRYAN

Non-Executive Director
35,000 -100.0%
3.00
USD 105,000
35,000 -100.0% 3.00 USD 105,000
2023-05-01 2023-05-01 PS Planned sale

Molineaux Susan

Non-Executive Director
35,000 -100.0%
2.48
USD 86,800
35,000 -100.0% 2.48 USD 86,800
2023-02-10 2023-02-10 PS Planned sale

SCARLETT JOHN A

Chairman, President and CEO

Executive Director
446,668 -100.0%
3.00
USD 1,340,004
446,668 -100.0% 3.00 USD 1,340,004
2023-02-10 2023-02-09 PS Planned sale

GRETHLEIN ANDREW J

EVP, Chief Operating Officer

Officer
234,719 -100.0%
3.03
USD 711,199
234,719 -100.0% 3.03 USD 711,199
2023-02-10 2023-02-09 PS Planned sale

GRETHLEIN ANDREW J

EVP, Chief Operating Officer

Officer
150,000 -39.0%
3.03
USD 454,500
150,000 -39.0% 3.03 USD 454,500
2023-02-10 2023-02-09 PS Planned sale

SCARLETT JOHN A

Chairman, President and CEO

Executive Director
446,666 -100.0%
3.03
USD 1,353,398
446,666 -100.0% 3.03 USD 1,353,398
2023-02-10 2023-02-08 PS Planned sale

Bloom Olivia Kyusuk

EVP, Chief Financial Officer

Officer
400,000 -84.3%
3.08
USD 1,232,000
400,000 -84.3% 3.08 USD 1,232,000
2023-02-10 2023-02-08 PS Planned sale

SCARLETT JOHN A

Chairman, President and CEO

Executive Director
446,666 -100.0%
3.08
USD 1,375,731
446,666 -100.0% 3.08 USD 1,375,731
2020-08-24 2020-08-21 B Purchase

O'Farrell Elizabeth G.

Non-Executive Director
17,441 +792.8%
1.73
USD 30,173
17,441 +792.8% 1.73 USD 30,173
2020-01-13 2020-01-10 B Purchase

O'Farrell Elizabeth G.

2,200 +inf%
1.34
USD 2,948
2,200 +inf% 1.34 USD 2,948
2020-01-13 2020-01-10 B Purchase

O'Farrell Elizabeth G.

800 +inf%
1.35
USD 1,080
800 +inf% 1.35 USD 1,080
2019-04-10 2019-04-09 PS Planned sale

BEHRS MELISSA KELLY

EVP, Chief Business Officer

120,635 -100.0%
2.00
USD 241,270
120,635 -100.0% 2.00 USD 241,270
2018-09-13 2018-09-13 PS Planned sale

Spiegel Robert J.

Non-Executive Director
35,000 -34.8%
6.85
USD 239,750
35,000 -34.8% 6.85 USD 239,750
2018-09-13 2018-09-13 PS Planned sale

Spiegel Robert J.

Non-Executive Director
35,000 -34.8%
6.85
USD 239,750
35,000 -34.8% 6.85 USD 239,750
2018-09-13 2018-09-13 PS Planned sale

Spiegel Robert J.

Non-Executive Director
35,000 -34.8%
6.85
USD 239,750
35,000 -34.8% 6.85 USD 239,750
2018-09-13 2018-09-13 PS Planned sale

Spiegel Robert J.

Non-Executive Director
15,000 -18.6%
6.85
USD 102,750
15,000 -18.6% 6.85 USD 102,750
2018-09-13 2018-09-13 PS Planned sale

Spiegel Robert J.

Non-Executive Director
10,000 -13.2%
6.85
USD 68,500
10,000 -13.2% 6.85 USD 68,500
2018-09-13 2018-09-13 PS Planned sale

Spiegel Robert J.

Non-Executive Director
45,000 -40.7%
6.85
USD 308,250
45,000 -40.7% 6.85 USD 308,250
2018-08-24 2018-08-24 PS Planned sale

ROSENFIELD STEPHEN

EVP, Genl Counsel & Secretary

Officer
37,500 -100.0%
4.51
USD 169,125
37,500 -100.0% 4.51 USD 169,125
2018-08-24 2018-08-24 PS Planned sale

ROSENFIELD STEPHEN

EVP, Genl Counsel & Secretary

Officer
112,500 -100.0%
4.51
USD 507,375
112,500 -100.0% 4.51 USD 507,375
2018-08-24 2018-08-24 PS Planned sale

ROSENFIELD STEPHEN

EVP, Genl Counsel & Secretary

Officer
131,250 -100.0%
4.51
USD 591,938
131,250 -100.0% 4.51 USD 591,938
2018-08-24 2018-08-24 PS Planned sale

ROSENFIELD STEPHEN

EVP, Genl Counsel & Secretary

Officer
420,000 -100.0%
4.51
USD 1,894,200
420,000 -100.0% 4.51 USD 1,894,200
2018-08-24 2018-08-24 PS Planned sale

ROSENFIELD STEPHEN

EVP, Genl Counsel & Secretary

Officer
200,000 -100.0%
4.51
USD 902,000
200,000 -100.0% 4.51 USD 902,000
2018-08-24 2018-08-24 PS Planned sale

ROSENFIELD STEPHEN

EVP, Genl Counsel & Secretary

Officer
425,000 -100.0%
4.51
USD 1,916,750
425,000 -100.0% 4.51 USD 1,916,750
2018-08-24 2018-08-24 PS Planned sale

ROSENFIELD STEPHEN

EVP, Genl Counsel & Secretary

Officer
36,000 -100.0%
4.51
USD 162,360
36,000 -100.0% 4.51 USD 162,360
2015-03-19 2015-03-18 S Sale

Hofstaetter Thomas

Non-Executive Director
70,000 -72.5%
4.10
USD 287,000
70,000 -72.5% 4.10 USD 287,000
2014-05-12 2014-05-09 B Purchase

BRADBURY DANIEL

Non-Executive Director
142,776 +inf%
1.75
USD 249,858
142,776 +inf% 1.75 USD 249,858
2013-04-01 2013-04-01 B Purchase

SCARLETT JOHN A

President and CEO

Executive Director
50,000 +66.7%
1.03
USD 51,500
50,000 +66.7% 1.03 USD 51,500
2013-01-22 2013-01-17 S Sale

BEHRS MELISSA KELLY

SVP Alliance and Prog Mgmt

Officer
28,292 -100.0%
1.65
USD 46,569
28,292 -100.0% 1.65 USD 46,569
2011-11-23 2011-11-22 B Purchase

KILEY THOMAS

Non-Executive Director
64,275 +25.7%
1.56
USD 100,269
64,275 +25.7% 1.56 USD 100,269
2011-10-06 2011-10-05 B Purchase

KILEY THOMAS

Non-Executive Director
50,000 +107.2%
2.03
USD 101,500
50,000 +107.2% 2.03 USD 101,500
2009-02-03 2009-02-02 S Sale

BEHRS MELISSA KELLY

SVP Oncology

Officer
14,765 -100.0%
8.12
USD 119,892
14,765 -100.0% 8.12 USD 119,892
2009-01-30 2009-01-30 S Sale

WALKER JOHN PETER

Non-Executive Director
48,617 -55.4%
8.28
USD 402,549
48,617 -55.4% 8.28 USD 402,549
2009-01-30 2009-01-29 S Sale

HARLEY CALVIN

VP and CSO

Officer
25,000 -20.1%
7.08
USD 177,000
25,000 -20.1% 7.08 USD 177,000
2009-01-30 2009-01-29 S Sale

HARLEY CALVIN

VP and CSO

Officer
5,489 -4.2%
7.14
USD 39,191
5,489 -4.2% 7.14 USD 39,191
2008-11-05 2008-11-05 S Sale

BEHRS MELISSA KELLY

SVP Oncology

Officer
23,845 -21.2%
4.05
USD 96,572
23,845 -21.2% 4.05 USD 96,572
2008-01-04 2008-01-04 S Sale

EARP DAVID

SVP Bus Dev, Chief Patnt Couns

Officer
8,911 -5.4%
5.34
USD 47,585
8,911 -5.4% 5.34 USD 47,585
2008-01-04 2008-01-04 S Sale

BEHRS MELISSA KELLY

SVP Oncology

Officer
8,911 -8.6%
5.34
USD 47,585
8,911 -8.6% 5.34 USD 47,585
2008-01-04 2008-01-04 S Sale

LEBKOWSKI JANE

SVP Regen Medicine

Officer
8,911 -5.7%
5.34
USD 47,585
8,911 -5.7% 5.34 USD 47,585
2008-01-04 2008-01-04 S Sale

GREENWOOD DAVID

EVP and CFO

Officer
11,039 -6.0%
5.34
USD 58,948
11,039 -6.0% 5.34 USD 58,948
2008-01-04 2008-01-04 S Sale

HARLEY CALVIN

VP and CSO

Officer
8,911 -6.9%
5.34
USD 47,585
8,911 -6.9% 5.34 USD 47,585
2008-01-04 2008-01-04 S Sale

OKARMA THOMAS

President and CEO

Officer
13,166 -3.5%
5.34
USD 70,306
13,166 -3.5% 5.34 USD 70,306
2007-11-13 2007-11-12 S Sale

GREENWOOD DAVID

EVP and CFO

Officer
4,000 -2.2%
7.20
USD 28,800
4,000 -2.2% 7.20 USD 28,800
2007-05-21 2007-05-18 S Sale

HARLEY CALVIN

VP and CSO

Officer
3,000 -5.0%
9.13
USD 27,390
3,000 -5.0% 9.13 USD 27,390
2007-05-21 2007-05-18 S Sale

HARLEY CALVIN

VP and CSO

Officer
9,000 -13.0%
9.15
USD 82,350
9,000 -13.0% 9.15 USD 82,350
2007-05-21 2007-05-18 S Sale

HARLEY CALVIN

VP and CSO

Officer
9,000 -11.5%
9.21
USD 82,890
9,000 -11.5% 9.21 USD 82,890
2007-05-21 2007-05-18 S Sale

HARLEY CALVIN

VP and CSO

Officer
9,000 -10.3%
9.22
USD 82,980
9,000 -10.3% 9.22 USD 82,980
2006-01-10 2006-01-09 S Sale

GREENWOOD DAVID

Executive VP and CFO

Officer
12,183 -41.8%
8.56
USD 104,286
12,183 -41.8% 8.56 USD 104,286
2006-01-10 2006-01-09 S Sale

LEBKOWSKI JANE

SVP, Regenerative Medicine

Officer
10,676 -35.7%
8.56
USD 91,387
10,676 -35.7% 8.56 USD 91,387
2006-01-10 2006-01-09 S Sale

EARP DAVID

SVP Bus Dev / Chf Patent Couns

Officer
11,323 -35.7%
8.56
USD 96,925
11,323 -35.7% 8.56 USD 96,925
2006-01-10 2006-01-09 S Sale

HARLEY CALVIN

Chief Scientific Officer

Officer
9,183 -53.3%
8.56
USD 78,606
9,183 -53.3% 8.56 USD 78,606
2006-01-10 2006-01-09 S Sale

BEHRS MELISSA KELLY

VP, Oncology

Officer
8,441 -53.4%
8.56
USD 72,255
8,441 -53.4% 8.56 USD 72,255
2006-01-10 2006-01-09 S Sale

OKARMA THOMAS

President and CEO

Executive Director
12,320 -28.1%
8.56
USD 105,459
12,320 -28.1% 8.56 USD 105,459
2005-08-01 2005-07-29 S Sale

KELLY MELISSA

VP, Oncology

Officer
19,532 -77.4%
10.88
USD 212,508
19,532 -77.4% 10.88 USD 212,508
2005-08-01 2005-07-29 S Sale

KELLY MELISSA

VP, Oncology

Officer
46,039 -64.6%
10.88
USD 500,904
46,039 -64.6% 10.88 USD 500,904
2005-07-21 2005-07-20 S Sale

HARLEY CALVIN

Chief Scientific Officer

Officer
25,000 -80.9%
10.46
USD 261,410
25,000 -80.9% 10.46 USD 261,410
2005-07-21 2005-07-20 S Sale

GREENWOOD DAVID

Executive VP and CFO

Officer
30,000 -71.5%
10.45
USD 313,500
30,000 -71.5% 10.45 USD 313,500
2005-01-14 2005-01-13 S Sale

EARP DAVID

SVP Bus Dev / Chf Patent Couns

Officer
9,239 -33.0%
8.57
USD 79,178
9,239 -33.0% 8.57 USD 79,178
2005-01-14 2005-01-13 S Sale

GREENWOOD DAVID

Executive VP, CFO

Officer
13,804 -53.6%
8.57
USD 118,300
13,804 -53.6% 8.57 USD 118,300
2005-01-14 2005-01-13 S Sale

OKARMA THOMAS

President and CEO

Executive Director
14,283 -43.2%
8.57
USD 122,405
14,283 -43.2% 8.57 USD 122,405
2005-01-14 2005-01-13 S Sale

LEBKOWSKI JANE

SVP, Regenerative Medicine

Officer
6,154 -26.4%
8.57
USD 52,740
6,154 -26.4% 8.57 USD 52,740
2005-01-14 2005-01-13 S Sale

KELLY MELISSA

VP, Oncology

Officer
8,648 -60.2%
8.57
USD 74,113
8,648 -60.2% 8.57 USD 74,113
2005-01-14 2005-01-13 S Sale

HARLEY CALVIN

Chief Scientific Officer

Officer
9,929 -62.7%
8.57
USD 85,092
9,929 -62.7% 8.57 USD 85,092
2004-08-18 2004-08-16 S Sale

MERIX BIOSCIENCE INC

Large shareholder
4,086 -0.1%
5.62
USD 22,963
4,086 -0.1% 5.62 USD 22,963
2004-08-18 2004-08-16 S Sale

MERIX BIOSCIENCE INC

Large shareholder
2,800 -0.1%
5.61
USD 15,708
2,800 -0.1% 5.61 USD 15,708
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