Stock chart
Ticker: SRRK 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
2025-03-25 2025-03-24 PS Planned sale

Sacco Tracey

Chief Commercial Officer

Officer
5,000 -6.5%
32.89
USD 164,459
5,000 -6.5% 32.89 USD 164,459
2025-03-25 2025-03-24 PS Planned sale

Sacco Tracey

Chief Commercial Officer

Officer
1,500 -1.9%
33.70
USD 50,556
1,500 -1.9% 33.70 USD 50,556
2025-03-25 2025-03-24 PS Planned sale

Moore Erin

Interim PFO and PAO

Officer
13,564 -14.1%
33.12
USD 449,237
13,564 -14.1% 33.12 USD 449,237
2025-03-19 2025-03-17 PS Planned sale

Peng Katie

Non-Executive Director
1,006 -3.2%
34.42
USD 34,627
1,006 -3.2% 34.42 USD 34,627
2025-03-12 2025-03-10 PS Planned sale

Myles Edward H

COO & CFO

Officer
29,395 -20.9%
34.87
USD 1,025,004
29,395 -20.9% 34.87 USD 1,025,004
2025-03-12 2025-03-10 PS Planned sale

Myles Edward H

COO & CFO

Officer
112,897 -44.5%
35.82
USD 4,043,971
112,897 -44.5% 35.82 USD 4,043,971
2025-02-20 2025-02-19 PS Planned sale

Qatanani Mo

CHIEF SCIENTIFIC OFFICER

Officer
20,202 -15.4%
37.74
USD 762,498
20,202 -15.4% 37.74 USD 762,498
2025-02-20 2025-02-19 PS Planned sale

Qatanani Mo

CHIEF SCIENTIFIC OFFICER

Officer
8,341 -6.0%
37.56
USD 313,289
8,341 -6.0% 37.56 USD 313,289
2025-02-20 2025-02-19 PS Planned sale

Qatanani Mo

CHIEF SCIENTIFIC OFFICER

Officer
39,967 -22.3%
37.20
USD 1,486,692
39,967 -22.3% 37.20 USD 1,486,692
2025-02-20 2025-02-18 S Sale

Qatanani Mo

CHIEF SCIENTIFIC OFFICER

Officer
4,135 -3.1%
36.83
USD 152,288
4,135 -3.1% 36.83 USD 152,288
2025-02-20 2025-02-18 S Sale

Parlavecchio Caryn

CHRO

Officer
5,296 -3.6%
36.83
USD 195,046
5,296 -3.6% 36.83 USD 195,046
2025-02-20 2025-02-18 S Sale

Myles Edward H

COO & CFO

Officer
7,809 -5.3%
36.83
USD 287,598
7,809 -5.3% 36.83 USD 287,598
2025-02-20 2025-02-18 S Sale

Ho Junlin

GENERAL COUNSEL

Officer
5,742 -2.9%
36.83
USD 211,472
5,742 -2.9% 36.83 USD 211,472
2025-02-20 2025-02-18 S Sale

Backstrom Jay T.

CHIEF EXECUTIVE OFFICER

Executive Director
18,372 -5.6%
36.83
USD 676,622
18,372 -5.6% 36.83 USD 676,622
2025-01-21 2025-01-16 S Sale

Ho Junlin

GENERAL COUNSEL

Officer
9,039 -4.4%
44.20
USD 399,498
9,039 -4.4% 44.20 USD 399,498
2025-01-21 2025-01-16 S Sale

Qatanani Mo

CHIEF SCIENTIFIC OFFICER

Officer
7,347 -5.1%
44.20
USD 324,717
7,347 -5.1% 44.20 USD 324,717
2025-01-21 2025-01-16 S Sale

Myles Edward H

COO & CFO

Officer
12,539 -7.8%
44.20
USD 554,189
12,539 -7.8% 44.20 USD 554,189
2025-01-21 2025-01-16 S Sale

Sacco Tracey

Chief Commercial Officer

Officer
3,890 -7.9%
44.20
USD 171,927
3,890 -7.9% 44.20 USD 171,927
2025-01-21 2025-01-16 S Sale

Parlavecchio Caryn

CHRO

Officer
6,434 -4.2%
44.20
USD 284,365
6,434 -4.2% 44.20 USD 284,365
2025-01-21 2025-01-16 S Sale

Marantz Jing L.

CHIEF MEDICAL OFFICER

Officer
5,655 -7.8%
44.20
USD 249,935
5,655 -7.8% 44.20 USD 249,935
2025-01-21 2025-01-16 S Sale

Backstrom Jay T.

CHIEF EXECUTIVE OFFICER

Executive Director
22,308 -6.3%
44.20
USD 985,951
22,308 -6.3% 44.20 USD 985,951
2024-12-12 2024-12-10 S Sale

Invus Public Equities, L.P.

Large shareholder
1,600,000 -14.7%
41.65
USD 66,640,000
1,600,000 -14.7% 41.65 USD 66,640,000
2024-11-27 2024-11-25 S Sale

Invus Public Equities, L.P.

Large shareholder
149 -0.0%
40.98
USD 6,106
149 -0.0% 40.98 USD 6,106
2024-11-27 2024-11-25 S Sale

Invus Public Equities, L.P.

Large shareholder
30,683 -0.3%
40.14
USD 1,231,585
30,683 -0.3% 40.14 USD 1,231,585
2024-11-27 2024-11-25 S Sale

Invus Public Equities, L.P.

Large shareholder
126,442 -1.1%
39.51
USD 4,995,774
126,442 -1.1% 39.51 USD 4,995,774
2024-11-27 2024-11-25 S Sale

Invus Public Equities, L.P.

Large shareholder
43,887 -0.4%
38.43
USD 1,686,670
43,887 -0.4% 38.43 USD 1,686,670
2024-11-27 2024-11-25 S Sale

Invus Public Equities, L.P.

Large shareholder
208,272 -1.8%
37.63
USD 7,837,504
208,272 -1.8% 37.63 USD 7,837,504
2024-11-26 2024-11-25 PS Planned sale

Marantz Jing L.

CHIEF MEDICAL OFFICER

Officer
200 -0.3%
40.72
USD 8,144
200 -0.3% 40.72 USD 8,144
2024-11-26 2024-11-25 PS Planned sale

Marantz Jing L.

CHIEF MEDICAL OFFICER

Officer
3,075 -4.0%
39.93
USD 122,780
3,075 -4.0% 39.93 USD 122,780
2024-11-26 2024-11-25 PS Planned sale

Marantz Jing L.

CHIEF MEDICAL OFFICER

Officer
2,100 -2.7%
39.25
USD 82,434
2,100 -2.7% 39.25 USD 82,434
2024-11-26 2024-11-25 PS Planned sale

Marantz Jing L.

CHIEF MEDICAL OFFICER

Officer
1,000 -1.3%
38.04
USD 38,041
1,000 -1.3% 38.04 USD 38,041
2024-11-26 2024-11-22 PS Planned sale

Marantz Jing L.

CHIEF MEDICAL OFFICER

Officer
2,145 -2.9%
30.01
USD 64,372
2,145 -2.9% 30.01 USD 64,372
2024-11-13 2024-11-11 PS Planned sale

Marantz Jing L.

CHIEF MEDICAL OFFICER

Officer
2,105 -2.8%
30.00
USD 63,158
2,105 -2.8% 30.00 USD 63,158
2024-10-10 2024-10-08 PS Planned sale

Myles Edward H

COO & CFO

Officer
37,187 -18.8%
34.90
USD 1,297,659
37,187 -18.8% 34.90 USD 1,297,659
2024-10-07 2024-10-07 PS Planned sale

Marantz Jing L.

CHIEF MEDICAL OFFICER

Officer
39,375 -35.1%
30.06
USD 1,183,652
39,375 -35.1% 30.06 USD 1,183,652
2024-10-07 2024-10-07 PS Planned sale

Marantz Jing L.

CHIEF MEDICAL OFFICER

Officer
2,552 -2.2%
26.22
USD 66,923
2,552 -2.2% 26.22 USD 66,923
2024-10-07 2024-10-07 PS Planned sale

Marantz Jing L.

CHIEF MEDICAL OFFICER

Officer
67,448 -37.0%
25.59
USD 1,725,893
67,448 -37.0% 25.59 USD 1,725,893
2024-10-07 2024-10-07 PS Planned sale

Sacco Tracey

CHIEF COMMERCIAL OFFICER

Officer
1,964 -3.8%
26.23
USD 51,516
1,964 -3.8% 26.23 USD 51,516
2024-10-07 2024-10-07 PS Planned sale

Sacco Tracey

CHIEF COMMERCIAL OFFICER

Officer
28,036 -35.4%
25.58
USD 717,161
28,036 -35.4% 25.58 USD 717,161
2024-10-07 2024-10-07 PS Planned sale

Myles Edward H

COO & CFO

Officer
31,250 -16.2%
29.05
USD 907,813
31,250 -16.2% 29.05 USD 907,813
2024-10-07 2024-10-07 PS Planned sale

Myles Edward H

COO & CFO

Officer
25,812 -11.8%
27.27
USD 703,893
25,812 -11.8% 27.27 USD 703,893
2024-10-07 2024-10-07 PS Planned sale

Myles Edward H

COO & CFO

Officer
37,206 -14.6%
26.83
USD 998,237
37,206 -14.6% 26.83 USD 998,237
2024-10-07 2024-10-07 PS Planned sale

Myles Edward H

COO & CFO

Officer
111,972 -30.5%
25.61
USD 2,867,603
111,972 -30.5% 25.61 USD 2,867,603
2024-10-07 2024-10-07 PS Planned sale

AKKARAJU SRINIVAS

Non-Executive Director
155,713 -2.7%
32.50
USD 5,060,673
155,713 -2.7% 32.50 USD 5,060,673
2024-10-07 2024-10-07 PS Planned sale

AKKARAJU SRINIVAS

Non-Executive Director
510,000 -8.1%
30.00
USD 15,300,000
510,000 -8.1% 30.00 USD 15,300,000
2024-10-07 2024-10-07 PS Planned sale

AKKARAJU SRINIVAS

Non-Executive Director
510,000 -7.5%
27.50
USD 14,025,000
510,000 -7.5% 27.50 USD 14,025,000
2024-09-19 2024-09-16 S Sale

Qatanani Mo

CHIEF SCIENTIFIC OFFICER

Officer
1,936 -1.3%
8.58
USD 16,611
1,936 -1.3% 8.58 USD 16,611
2024-08-19 2024-08-16 S Sale

Parlavecchio Caryn

CHRO

Officer
1,451 -0.9%
9.33
USD 13,538
1,451 -0.9% 9.33 USD 13,538
2024-06-18 2024-06-17 S Sale

Myles Edward H

COO & CFO

Officer
9,458 -4.5%
8.98
USD 84,978
9,458 -4.5% 8.98 USD 84,978
2024-06-18 2024-06-17 S Sale

Qatanani Mo

CHIEF SCIENTIFIC OFFICER

Officer
2,315 -1.6%
8.99
USD 20,800
2,315 -1.6% 8.99 USD 20,800
2024-06-18 2024-06-17 S Sale

Parlavecchio Caryn

CHRO

Officer
4,305 -2.7%
8.98
USD 38,680
4,305 -2.7% 8.98 USD 38,680
2024-06-18 2024-06-17 S Sale

Ho Junlin

GENERAL COUNSEL

Officer
4,695 -2.2%
8.98
USD 42,183
4,695 -2.2% 8.98 USD 42,183
2024-02-21 2024-02-16 S Sale

Myles Edward H

COO & CFO

Officer
4,744 -2.2%
15.74
USD 74,686
4,744 -2.2% 15.74 USD 74,686
2024-02-20 2024-02-16 S Sale

Parlavecchio Caryn

CHRO

Officer
3,751 -2.3%
15.74
USD 59,053
3,751 -2.3% 15.74 USD 59,053
2024-02-20 2024-02-16 S Sale

Ho Junlin

GENERAL COUNSEL

Officer
3,489 -1.6%
15.74
USD 54,928
3,489 -1.6% 15.74 USD 54,928
2024-02-20 2024-02-16 S Sale

Qatanani Mo

CHIEF SCIENTIFIC OFFICER

Officer
2,512 -1.7%
15.74
USD 39,547
2,512 -1.7% 15.74 USD 39,547
2024-02-20 2024-02-16 S Sale

Backstrom Jay T.

CHIEF EXECUTIVE OFFICER

Executive Director
11,614 -3.2%
15.74
USD 182,842
11,614 -3.2% 15.74 USD 182,842
2024-01-18 2024-01-16 S Sale

Ho Junlin

GENERAL COUNSEL

Officer
4,186 -2.6%
15.93
USD 66,677
4,186 -2.6% 15.93 USD 66,677
2024-01-18 2024-01-16 S Sale

Qatanani Mo

SVP AND HEAD OF RESEARCH

Officer
2,002 -2.5%
15.93
USD 31,889
2,002 -2.5% 15.93 USD 31,889
2024-01-18 2024-01-16 S Sale

Parlavecchio Caryn

CHRO

Officer
2,849 -2.4%
15.93
USD 45,381
2,849 -2.4% 15.93 USD 45,381
2024-01-18 2024-01-16 S Sale

Myles Edward H

COO & CFO

Officer
6,634 -3.9%
15.93
USD 105,670
6,634 -3.9% 15.93 USD 105,670
2023-12-29 2023-12-29 PS Planned sale

Myles Edward H

COO & CFO

Officer
300 -0.2%
19.51
USD 5,853
300 -0.2% 19.51 USD 5,853
2023-12-29 2023-12-29 PS Planned sale

Myles Edward H

COO & CFO

Officer
12,159 -6.7%
18.82
USD 228,780
12,159 -6.7% 18.82 USD 228,780
2023-12-15 2023-12-14 S Sale

Qatanani Mo

SVP AND HEAD OF RESEARCH

Officer
24,662 -23.4%
18.18
USD 448,444
24,662 -23.4% 18.18 USD 448,444
2023-12-08 2023-12-07 PS Planned sale

Myles Edward H

COO & CFO

Officer
24,914 -12.9%
17.53
USD 436,820
24,914 -12.9% 17.53 USD 436,820
2023-11-03 2023-11-02 PS Planned sale

Myles Edward H

COO & CFO

Officer
35,007 -17.2%
12.51
USD 438,039
35,007 -17.2% 12.51 USD 438,039
2023-10-18 2023-10-16 B Purchase

Samsara BioCapital GP, LLC

Large shareholder
2,189,781 +47.6%
6.85
USD 15,000,000
2,189,781 +47.6% 6.85 USD 15,000,000
2023-10-18 2023-10-16 B Purchase

AKKARAJU SRINIVAS

Non-Executive Director Large shareholder
2,189,781 +47.6%
6.85
USD 15,000,000
2,189,781 +47.6% 6.85 USD 15,000,000
2023-10-16 2023-10-12 B Purchase

Invus Public Equities, L.P.

Large shareholder
10,150 +0.1%
8.55
USD 86,736
10,150 +0.1% 8.55 USD 86,736
2023-10-16 2023-10-12 B Purchase

Invus Public Equities, L.P.

Large shareholder
2,189,781 +24.2%
6.85
USD 15,000,000
2,189,781 +24.2% 6.85 USD 15,000,000
2023-09-20 2023-09-18 S Sale

Qatanani Mo

SVP AND HEAD OF RESEARCH

Officer
1,945 -2.0%
6.34
USD 12,331
1,945 -2.0% 6.34 USD 12,331
2023-08-18 2023-08-16 S Sale

Parlavecchio Caryn

CHRO

Officer
1,353 -1.1%
6.83
USD 9,241
1,353 -1.1% 6.83 USD 9,241
2023-05-02 2023-04-28 B Purchase

Invus Public Equities, L.P.

Large shareholder
31,557 +0.3%
6.43
USD 202,845
31,557 +0.3% 6.43 USD 202,845
2023-01-11 2023-01-09 S Sale

Invus Public Equities, L.P.

Large shareholder
1,094 -0.0%
9.48
USD 10,373
1,094 -0.0% 9.48 USD 10,373
2023-01-09 2023-01-05 B Purchase

Invus Public Equities, L.P.

Large shareholder
48,774 +0.5%
9.33
USD 455,091
48,774 +0.5% 9.33 USD 455,091
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