Stock chart
Ticker: SYRS 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
2024-12-04 2024-12-02 S Sale

Simonian Nancy A

Non-Executive Director
37,070 -90.3%
0.27
USD 10,016
37,070 -90.3% 0.27 USD 10,016
2024-11-27 2024-11-25 S Sale

Simonian Nancy A

Non-Executive Director
134,713 -76.6%
0.27
USD 35,739
134,713 -76.6% 0.27 USD 35,739
2024-11-20 2024-11-19 S Sale

Quirk Gerald E

Chief Legal & Compliance Offic

Officer
46,657 -100.0%
0.22
USD 10,321
46,657 -100.0% 0.22 USD 10,321
2024-11-20 2024-11-18 S Sale

Chee Conley

President & CEO

Executive Director
134,797 -100.0%
0.20
USD 26,932
134,797 -100.0% 0.20 USD 26,932
2024-11-20 2024-11-18 S Sale

Roth David

Chief Medical Officer

Officer
12,099 -100.0%
0.20
USD 2,382
12,099 -100.0% 0.20 USD 2,382
2024-11-20 2024-11-18 S Sale

Stephens Kristin

Chief Development Officer

Officer
36,133 -100.0%
0.22
USD 7,949
36,133 -100.0% 0.22 USD 7,949
2024-11-20 2024-11-18 S Sale

Haas Jason

Chief Financial Officer

Officer
137,803 -100.0%
0.21
USD 28,980
137,803 -100.0% 0.21 USD 28,980
2024-09-12 2024-09-12 B Purchase

Haas Jason

Chief Financial Officer

Officer
45,344 +57.2%
1.68
USD 76,006
45,344 +57.2% 1.68 USD 76,006
2024-09-12 2024-09-11 B Purchase

Haas Jason

Chief Financial Officer

Officer
19,293 +32.2%
1.58
USD 30,446
19,293 +32.2% 1.58 USD 30,446
2024-09-12 2024-09-11 B Purchase

Chee Conley

President & CEO

Executive Director
50,000 +69.0%
1.71
USD 85,420
50,000 +69.0% 1.71 USD 85,420
2024-09-12 2024-09-10 B Purchase

Haas Jason

Chief Financial Officer

Officer
35,363 +144.0%
1.55
USD 54,788
35,363 +144.0% 1.55 USD 54,788
2024-09-12 2024-09-10 B Purchase

Chee Conley

President & CEO

Executive Director
50,000 +222.2%
1.51
USD 75,260
50,000 +222.2% 1.51 USD 75,260
2024-07-02 2024-06-28 PS Planned sale

Young Richard A

Non-Executive Director
34,837 -81.3%
5.12
USD 178,365
34,837 -81.3% 5.12 USD 178,365
2024-04-05 2024-04-03 PS Planned sale

Roth David

Chief Medical Officer

Officer
10,451 -100.0%
4.95
USD 51,732
10,451 -100.0% 4.95 USD 51,732
2024-04-02 2024-04-02 PS Planned sale

Roth David

Chief Medical Officer

Officer
150 -1.4%
4.98
USD 747
150 -1.4% 4.98 USD 747
2023-12-26 2023-12-21 B Purchase

AKKARAJU SRINIVAS

Non-Executive Director
904,977 +102.7%
4.42
USD 3,999,998
904,977 +102.7% 4.42 USD 3,999,998
2023-12-14 2023-12-12 PS Planned sale

Roth David

Chief Medical Officer

Officer
6,287 -100.0%
4.95
USD 31,121
6,287 -100.0% 4.95 USD 31,121
2023-12-08 2023-12-06 PS Planned sale

Roth David

Chief Medical Officer

Officer
6,287 -50.0%
3.95
USD 24,834
6,287 -50.0% 3.95 USD 24,834
2023-08-02 2023-07-31 PS Planned sale

Roth David

Chief Medical Officer

Officer
7,348 -100.0%
3.95
USD 29,025
7,348 -100.0% 3.95 USD 29,025
2023-07-18 2023-07-17 PS Planned sale

Olson Eric R

Chief Scientific Officer

Officer
689 -9.4%
3.50
USD 2,412
689 -9.4% 3.50 USD 2,412
2022-10-03 2022-09-30 B Purchase

TYSON TIMOTHY

Non-Executive Director
14,000 +128.1%
6.37
USD 89,186
14,000 +128.1% 6.37 USD 89,186
2022-10-03 2022-09-29 B Purchase

TYSON TIMOTHY

Non-Executive Director
2,932 +36.6%
5.72
USD 16,770
2,932 +36.6% 5.72 USD 16,770
2022-01-06 2022-01-05 PS Planned sale

Olson Eric R

Chief Scientific Officer

Officer
2,208 -100.0%
3.47
USD 7,655
2,208 -100.0% 3.47 USD 7,655
2021-03-17 2021-03-15 PS Planned sale

Olson Eric R

Chief Scientific Officer

Officer
3,628 -100.0%
9.47
USD 34,372
3,628 -100.0% 9.47 USD 34,372
2021-02-18 2021-02-16 PS Planned sale

Young Richard A

Non-Executive Director
3,750 -1.2%
12.05
USD 45,188
3,750 -1.2% 12.05 USD 45,188
2021-02-10 2021-02-08 PS Planned sale

Young Richard A

Non-Executive Director
3,750 -1.1%
13.04
USD 48,900
3,750 -1.1% 13.04 USD 48,900
2020-11-18 2020-11-17 PS Planned sale

Young Richard A

Non-Executive Director
5,357 -1.6%
8.75
USD 46,874
5,357 -1.6% 8.75 USD 46,874
2020-11-18 2020-11-16 PS Planned sale

Young Richard A

Non-Executive Director
633 -0.2%
8.98
USD 5,684
633 -0.2% 8.98 USD 5,684
2020-10-19 2020-10-19 PS Planned sale

Young Richard A

Non-Executive Director
5,673 -1.7%
8.75
USD 49,639
5,673 -1.7% 8.75 USD 49,639
2020-10-16 2020-10-15 PS Planned sale

Young Richard A

Non-Executive Director
317 -0.1%
8.75
USD 2,774
317 -0.1% 8.75 USD 2,774
2020-09-16 2020-09-15 PS Planned sale

Young Richard A

Non-Executive Director
5,990 -1.7%
10.39
USD 62,236
5,990 -1.7% 10.39 USD 62,236
2020-08-19 2020-08-18 PS Planned sale

Olson Eric R

Chief Scientific Officer

Officer
10,787 -100.0%
13.00
USD 140,231
10,787 -100.0% 13.00 USD 140,231
2020-08-19 2020-08-18 PS Planned sale

AKKARAJU SRINIVAS

Non-Executive Director
158,583 -11.1%
13.10
USD 2,076,724
158,583 -11.1% 13.10 USD 2,076,724
2020-08-19 2020-08-17 PS Planned sale

Olson Eric R

Chief Scientific Officer

Officer
4,963 -100.0%
13.00
USD 64,519
4,963 -100.0% 13.00 USD 64,519
2020-08-19 2020-08-17 PS Planned sale

AKKARAJU SRINIVAS

Non-Executive Director
744 -0.1%
13.00
USD 9,672
744 -0.1% 13.00 USD 9,672
2020-08-19 2020-08-17 PS Planned sale

Young Richard A

Non-Executive Director
5,990 -1.7%
12.59
USD 75,414
5,990 -1.7% 12.59 USD 75,414
2020-07-17 2020-07-15 PS Planned sale

Young Richard A

Non-Executive Director
5,990 -1.7%
11.85
USD 70,982
5,990 -1.7% 11.85 USD 70,982
2020-07-07 2020-07-07 PS Planned sale

Olson Eric R

Chief Scientific Officer

Officer
1,753 -100.0%
11.72
USD 20,538
1,753 -100.0% 11.72 USD 20,538
2020-07-06 2020-07-01 PS Planned sale

AKKARAJU SRINIVAS

Non-Executive Director
4,627 -0.3%
11.01
USD 50,966
4,627 -0.3% 11.01 USD 50,966
2020-06-25 2020-06-25 PS Planned sale

AKKARAJU SRINIVAS

Non-Executive Director
54,972 -3.7%
11.15
USD 612,850
54,972 -3.7% 11.15 USD 612,850
2020-06-25 2020-06-24 PS Planned sale

AKKARAJU SRINIVAS

Non-Executive Director
48,775 -3.2%
11.07
USD 539,788
48,775 -3.2% 11.07 USD 539,788
2020-06-25 2020-06-23 PS Planned sale

AKKARAJU SRINIVAS

Non-Executive Director
50,953 -3.2%
11.11
USD 565,930
50,953 -3.2% 11.11 USD 565,930
2020-06-16 2020-06-15 PS Planned sale

Young Richard A

Non-Executive Director
5,990 -1.6%
8.75
USD 52,413
5,990 -1.6% 8.75 USD 52,413
2020-05-15 2020-05-15 PS Planned sale

Young Richard A

Non-Executive Director
5,990 -1.6%
9.22
USD 55,242
5,990 -1.6% 9.22 USD 55,242
2020-05-13 2020-05-13 B Purchase

Alles Mark J

Non-Executive Director
10,000 +inf%
8.86
USD 88,590
10,000 +inf% 8.86 USD 88,590
2020-04-17 2020-04-15 PS Planned sale

Young Richard A

Non-Executive Director
23,960 -6.1%
8.75
USD 209,650
23,960 -6.1% 8.75 USD 209,650
2020-02-20 2020-02-18 PS Planned sale

Olson Eric R

Chief Scientific Officer

Officer
1,446 -100.0%
7.38
USD 10,674
1,446 -100.0% 7.38 USD 10,674
2019-11-12 2019-11-12 PP Planned purchase

Springhorn Jeremy P.

Chief Business Officer

Officer
10,121 +40.7%
4.97
USD 50,268
10,121 +40.7% 4.97 USD 50,268
2019-11-12 2019-11-11 PP Planned purchase

Springhorn Jeremy P.

Chief Business Officer

Officer
9,879 +65.9%
4.99
USD 49,328
9,879 +65.9% 4.99 USD 49,328
2019-08-19 2019-08-16 PS Planned sale

Young Richard A

Non-Executive Director
22,700 -5.4%
10.00
USD 227,000
22,700 -5.4% 10.00 USD 227,000
2019-08-19 2019-08-15 PS Planned sale

Young Richard A

Non-Executive Director
2,300 -0.5%
10.00
USD 23,000
2,300 -0.5% 10.00 USD 23,000
2019-07-17 2019-07-17 S Sale

ARCH Venture Fund VII, L.P.

Large shareholder
34,521 -0.8%
7.70
USD 265,687
34,521 -0.8% 7.70 USD 265,687
2019-07-17 2019-07-16 S Sale

ARCH Venture Fund VII, L.P.

Large shareholder
25,779 -0.6%
7.81
USD 201,277
25,779 -0.6% 7.81 USD 201,277
2019-07-17 2019-07-15 S Sale

ARCH Venture Fund VII, L.P.

Large shareholder
2,700 -0.1%
8.27
USD 22,316
2,700 -0.1% 8.27 USD 22,316
2019-04-11 2019-04-09 B Purchase

AKKARAJU SRINIVAS

533,332 +50.3%
7.50
USD 3,999,990
533,332 +50.3% 7.50 USD 3,999,990
2019-03-14 2019-03-14 S Sale

ARCH Venture Fund VII, L.P.

Large shareholder
43,000 -1.0%
8.15
USD 350,441
43,000 -1.0% 8.15 USD 350,441
2019-03-14 2019-03-13 S Sale

ARCH Venture Fund VII, L.P.

Large shareholder
2,820 -0.1%
8.20
USD 23,122
2,820 -0.1% 8.20 USD 23,122
2019-03-14 2019-03-13 S Sale

ARCH Venture Fund VII, L.P.

Large shareholder
81,591 -1.8%
7.89
USD 643,443
81,591 -1.8% 7.89 USD 643,443
2019-03-14 2019-03-12 S Sale

ARCH Venture Fund VII, L.P.

Large shareholder
40,092 -0.9%
7.37
USD 295,374
40,092 -0.9% 7.37 USD 295,374
2019-03-11 2019-03-11 S Sale

ARCH Venture Fund VII, L.P.

Large shareholder
44,878 -1.0%
6.49
USD 291,366
44,878 -1.0% 6.49 USD 291,366
2019-03-11 2019-03-08 S Sale

ARCH Venture Fund VII, L.P.

Large shareholder
84,496 -1.8%
6.93
USD 585,270
84,496 -1.8% 6.93 USD 585,270
2019-03-11 2019-03-07 S Sale

ARCH Venture Fund VII, L.P.

Large shareholder
35,209 -0.8%
6.87
USD 242,013
35,209 -0.8% 6.87 USD 242,013
2018-02-02 2018-01-31 B Purchase

AKKARAJU SRINIVAS

Non-Executive Director
209,424 +24.6%
9.55
USD 1,999,999
209,424 +24.6% 9.55 USD 1,999,999
2017-12-15 2017-12-15 B Purchase

Springhorn Jeremy P.

Chief Business Officer

15,000 +inf%
9.08
USD 136,260
15,000 +inf% 9.08 USD 136,260
2017-12-14 2017-12-14 B Purchase

AKKARAJU SRINIVAS

26,600 +3.3%
8.99
USD 239,134
26,600 +3.3% 8.99 USD 239,134
2017-12-14 2017-12-13 B Purchase

AKKARAJU SRINIVAS

68,400 +9.3%
8.97
USD 613,548
68,400 +9.3% 8.97 USD 613,548
2017-12-14 2017-12-12 B Purchase

AKKARAJU SRINIVAS

14,774 +2.0%
9.40
USD 138,876
14,774 +2.0% 9.40 USD 138,876
2017-10-23 2017-10-23 PS Planned sale

DeSimone Colleen Elizabeth

Principal Accounting Officer

Officer
550 -100.0%
16.06
USD 8,833
550 -100.0% 16.06 USD 8,833
2017-08-16 2017-08-14 PS Planned sale

Young Richard A

3,282 -0.8%
22.00
USD 72,204
3,282 -0.8% 22.00 USD 72,204
2017-08-08 2017-08-07 PS Planned sale

Olson Eric R

Chief Scientific Officer

2,500 -100.0%
23.59
USD 58,969
2,500 -100.0% 23.59 USD 58,969
2017-07-27 2017-07-25 PS Planned sale

Olson Eric R

Chief Scientific Officer

Officer
12,500 -100.0%
21.85
USD 273,125
12,500 -100.0% 21.85 USD 273,125
2017-07-27 2017-07-25 PS Planned sale

Young Richard A

Non-Executive Director
3,282 -0.8%
22.09
USD 72,496
3,282 -0.8% 22.09 USD 72,496
2016-07-07 2016-07-06 B Purchase

Arch Venture Fund VII LP

Large shareholder
400,000 +9.4%
12.50
USD 5,000,000
400,000 +9.4% 12.50 USD 5,000,000
2016-07-07 2016-07-06 B Purchase

Flagship Ventures Fund IV, L.P.

Large shareholder
80,000 +9.5%
12.50
USD 1,000,000
80,000 +9.5% 12.50 USD 1,000,000
2016-07-07 2016-07-06 B Purchase

Flagship Ventures Fund IV, L.P.

Large shareholder
320,000 +9.5%
12.50
USD 4,000,000
320,000 +9.5% 12.50 USD 4,000,000
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