Stock chart
Ticker: SURF Exchange: NMS


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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
2023-08-11 2023-08-01 S Sale

ROSS ROBERT W.

Chief Executive Officer

Officer
16,713 -16.7%
0.94
USD 15,710
16,713 -16.7% 0.94 USD 15,710
2023-08-11 2023-08-01 S Sale

Adams Chandra

Deputy GC

Officer
3,901 -11.2%
0.94
USD 3,667
3,901 -11.2% 0.94 USD 3,667
2023-08-11 2023-08-01 S Sale

ONEILL ALISON

Chief Medical Officer

Officer
7,042 -11.1%
0.94
USD 6,619
7,042 -11.1% 0.94 USD 6,619
2023-08-11 2023-08-01 S Sale

FEES JESSICA

Chief Financial Officer

Officer
9,434 -8.5%
0.94
USD 8,868
9,434 -8.5% 0.94 USD 8,868
2022-08-05 2022-08-03 S Sale

Palombella Vito J.

Chief Scientific Officer

Officer
4,463 -4.9%
1.72
USD 7,676
4,463 -4.9% 1.72 USD 7,676
2022-08-05 2022-08-03 S Sale

FEES JESSICA

Chief Financial Officer

Officer
5,980 -5.1%
1.72
USD 10,286
5,980 -5.1% 1.72 USD 10,286
2022-08-05 2022-08-03 S Sale

ONEILL ALISON

Chief Medical Officer

Officer
4,463 -6.5%
1.72
USD 7,676
4,463 -6.5% 1.72 USD 7,676
2022-08-05 2022-08-03 S Sale

ROSS ROBERT W.

Chief Executive Officer

Officer
10,594 -9.6%
1.72
USD 18,222
10,594 -9.6% 1.72 USD 18,222
2022-08-05 2022-08-03 S Sale

RATH HENRY C.

Chief Business Officer

Officer
5,676 -14.9%
1.72
USD 9,763
5,676 -14.9% 1.72 USD 9,763
2022-01-14 2021-07-21 S Sale

ONEILL ALISON

Chief Medical Officer

Officer
14,809 -32.9%
6.10
USD 90,335
14,809 -32.9% 6.10 USD 90,335
2022-01-14 2021-07-21 S Sale

Palombella Vito J.

Chief Scientific Officer

Officer
26,325 -32.9%
6.10
USD 160,583
26,325 -32.9% 6.10 USD 160,583
2022-01-14 2021-07-21 S Sale

ROSS ROBERT W.

Chief Executive Officer

Officer
33,500 -38.1%
6.10
USD 204,350
33,500 -38.1% 6.10 USD 204,350
2022-01-14 2021-07-21 S Sale

Goater Jeff

Non-Executive Director
127,778 -49.7%
6.10
USD 779,446
127,778 -49.7% 6.10 USD 779,446
2022-01-14 2021-07-21 S Sale

FEES JESSICA

Chief Financial Officer

Officer
19,854 -20.0%
6.10
USD 121,109
19,854 -20.0% 6.10 USD 121,109
2022-01-14 2021-07-21 S Sale

Nogelo Liisa I

Chief Legal Officer

Officer
26,325 -32.9%
6.10
USD 160,583
26,325 -32.9% 6.10 USD 160,583
2021-06-11 2021-06-11 S Sale

Goater Jeff

Non-Executive Director
15,273 -5.6%
7.61
USD 116,226
15,273 -5.6% 7.61 USD 116,226
2021-06-11 2021-06-10 S Sale

Goater Jeff

Non-Executive Director
234,727 -47.3%
7.66
USD 1,798,619
234,727 -47.3% 7.66 USD 1,798,619
2021-02-18 2021-02-16 PS Planned sale

ROSS ROBERT W.

Chief Medical Officer

Officer
1,000 -1.1%
11.35
USD 11,350
1,000 -1.1% 11.35 USD 11,350
2021-02-09 2021-02-08 PS Planned sale

Goater Jeff

Chief Executive Officer

Executive Director
2,500 -0.9%
12.50
USD 31,250
2,500 -0.9% 12.50 USD 31,250
2021-02-09 2021-02-08 PS Planned sale

FEES JESSICA

See Remarks

Officer
1,500 -1.5%
12.45
USD 18,675
1,500 -1.5% 12.45 USD 18,675
2021-02-03 2021-02-01 PS Planned sale

Goater Jeff

Chief Executive Officer

Executive Director
2,500 -0.9%
10.69
USD 26,718
2,500 -0.9% 10.69 USD 26,718
2021-02-03 2021-02-01 PS Planned sale

FEES JESSICA

See Remarks

Officer
1,500 -1.5%
11.19
USD 16,785
1,500 -1.5% 11.19 USD 16,785
2021-01-21 2021-01-19 PS Planned sale

Goater Jeff

Chief Executive Officer

Executive Director
5,000 -1.9%
13.00
USD 65,000
5,000 -1.9% 13.00 USD 65,000
2021-01-15 2021-01-15 PS Planned sale

ROSS ROBERT W.

Chief Medical Officer

Officer
2,000 -2.2%
12.25
USD 24,500
2,000 -2.2% 12.25 USD 24,500
2021-01-15 2021-01-14 PS Planned sale

ROSS ROBERT W.

Chief Medical Officer

Officer
7,000 -7.1%
11.95
USD 83,650
7,000 -7.1% 11.95 USD 83,650
2020-12-21 2020-12-17 S Sale

GRAYZEL DAVID S.

Non-Executive Director
1,700,000 -36.6%
18.10
USD 30,770,000
1,700,000 -36.6% 18.10 USD 30,770,000
2020-12-21 2020-12-17 S Sale

Atlas Venture Fund IX, L.P.

Large shareholder
1,700,000 -36.6%
18.10
USD 30,770,000
1,700,000 -36.6% 18.10 USD 30,770,000
2020-12-17 2020-12-15 PS Planned sale

ROSS ROBERT W.

Chief Medical Officer

Officer
1,000 -1.0%
10.48
USD 10,480
1,000 -1.0% 10.48 USD 10,480
2020-12-15 2020-12-11 PS Planned sale

ROSS ROBERT W.

Chief Medical Officer

Officer
1,405 -1.4%
10.05
USD 14,120
1,405 -1.4% 10.05 USD 14,120
2020-11-13 2020-11-11 PS Planned sale

ROSS ROBERT W.

Chief Medical Officer

Officer
595 -0.6%
10.05
USD 5,980
595 -0.6% 10.05 USD 5,980
2020-10-16 2020-10-14 PS Planned sale

ROSS ROBERT W.

Chief Medical Officer

Officer
4,000 -3.8%
10.05
USD 40,200
4,000 -3.8% 10.05 USD 40,200
2020-09-03 2020-09-01 S Sale

EcoR1 Capital, LLC

Large shareholder
332,780 -6.6%
7.14
USD 2,376,681
332,780 -6.6% 7.14 USD 2,376,681
2020-05-22 2020-05-20 S Sale

New Enterprise Associates 14, L.P.

Large shareholder
420,000 -12.7%
3.66
USD 1,535,562
420,000 -12.7% 3.66 USD 1,535,562
2020-02-07 2020-02-05 B Purchase

Goater Jeff

Chief Executive Officer

Executive Director
5,000 +1.9%
3.23
USD 16,150
5,000 +1.9% 3.23 USD 16,150
2018-04-23 2018-04-23 B Purchase

Atlas Venture Fund IX, L.P.

Large shareholder
100,000 +2.2%
15.00
USD 1,500,000
100,000 +2.2% 15.00 USD 1,500,000
2018-04-23 2018-04-23 B Purchase

Viswanathan Ravi

Large shareholder
133,333 +4.2%
15.00
USD 1,999,995
133,333 +4.2% 15.00 USD 1,999,995
2018-04-23 2018-04-23 B Purchase

Sonsini Peter W.

Large shareholder
133,333 +4.2%
15.00
USD 1,999,995
133,333 +4.2% 15.00 USD 1,999,995
2018-04-23 2018-04-23 B Purchase

Florence Anthony A. Jr.

Large shareholder
133,333 +4.2%
15.00
USD 1,999,995
133,333 +4.2% 15.00 USD 1,999,995
2018-04-23 2018-04-23 B Purchase

GRAYZEL DAVID S.

Non-Executive Director
100,000 +2.2%
15.00
USD 1,500,000
100,000 +2.2% 15.00 USD 1,500,000
2018-04-23 2018-04-23 B Purchase

New Enterprise Associates 14, L.P.

Large shareholder
133,333 +4.2%
15.00
USD 1,999,995
133,333 +4.2% 15.00 USD 1,999,995
2018-04-23 2018-04-23 B Purchase

LV Management Group, LLC

Large shareholder
266,000 +8.4%
15.00
USD 3,990,000
266,000 +8.4% 15.00 USD 3,990,000
2018-04-23 2018-04-23 B Purchase

Shanafelt Armen

Non-Executive Director Large shareholder
266,000 +8.4%
15.00
USD 3,990,000
266,000 +8.4% 15.00 USD 3,990,000
2018-04-23 2018-04-23 B Purchase

BARRIS PETER J

Large shareholder
133,333 +4.2%
15.00
USD 1,999,995
133,333 +4.2% 15.00 USD 1,999,995
2018-04-23 2018-04-23 B Purchase

BARRETT M JAMES

Large shareholder
133,333 +4.2%
15.00
USD 1,999,995
133,333 +4.2% 15.00 USD 1,999,995
2018-04-23 2018-04-23 B Purchase

Novartis Institutes for BioMedical Research, Inc.

Large shareholder
766,666 +24.1%
15.00
USD 11,499,990
766,666 +24.1% 15.00 USD 11,499,990
2018-04-23 2018-04-23 B Purchase

KERINS PATRICK J

Large shareholder
133,333 +4.2%
15.00
USD 1,999,995
133,333 +4.2% 15.00 USD 1,999,995
2018-04-23 2018-04-23 B Purchase

SANDELL SCOTT D

Large shareholder
133,333 +4.2%
15.00
USD 1,999,995
133,333 +4.2% 15.00 USD 1,999,995
2018-04-23 2018-04-23 B Purchase

MOTT DAVID M

Large shareholder
133,333 +4.2%
15.00
USD 1,999,995
133,333 +4.2% 15.00 USD 1,999,995
2018-04-23 2018-04-23 B Purchase

BASKETT FOREST

Large shareholder
133,333 +4.2%
15.00
USD 1,999,995
133,333 +4.2% 15.00 USD 1,999,995
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