Stock chart
Ticker: SURF Exchange: NMS


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Purchase Sale Planned purchase Planned sale Net purchase Net sale
Past 90 days
 
Value bought
 
Value sold
 
Net insiders buying
 
Trades (buy and sell)
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 Total value Details
2023-08-11 2023-08-01 S Sale

ROSS ROBERT W.

Chief Executive Officer

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

Adams Chandra

Deputy GC

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

ONEILL ALISON

Chief Medical Officer

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

FEES JESSICA

Chief Financial Officer

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

Palombella Vito J.

Chief Scientific Officer

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

FEES JESSICA

Chief Financial Officer

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

ONEILL ALISON

Chief Medical Officer

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

ROSS ROBERT W.

Chief Executive Officer

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

RATH HENRY C.

Chief Business Officer

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

ONEILL ALISON

Chief Medical Officer

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

Palombella Vito J.

Chief Scientific Officer

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

ROSS ROBERT W.

Chief Executive Officer

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

Goater Jeff

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

FEES JESSICA

Chief Financial Officer

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

Nogelo Liisa I

Chief Legal Officer

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

Goater Jeff

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

Goater Jeff

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

ROSS ROBERT W.

Chief Medical Officer

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

Goater Jeff

Chief Executive Officer

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

FEES JESSICA

See Remarks

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

Goater Jeff

Chief Executive Officer

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

FEES JESSICA

See Remarks

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

Goater Jeff

Chief Executive Officer

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

ROSS ROBERT W.

Chief Medical Officer

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

ROSS ROBERT W.

Chief Medical Officer

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

GRAYZEL DAVID S.

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

Atlas Venture Fund IX, L.P.

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

ROSS ROBERT W.

Chief Medical Officer

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

ROSS ROBERT W.

Chief Medical Officer

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

ROSS ROBERT W.

Chief Medical Officer

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

ROSS ROBERT W.

Chief Medical Officer

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

EcoR1 Capital, LLC

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

New Enterprise Associates 14, L.P.

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

Goater Jeff

Chief Executive Officer

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

Atlas Venture Fund IX, L.P.

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

Viswanathan Ravi

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

Sonsini Peter W.

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

Florence Anthony A. Jr.

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

GRAYZEL DAVID S.

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

New Enterprise Associates 14, L.P.

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

LV Management Group, LLC

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

Shanafelt Armen

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

BARRIS PETER J

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

BARRETT M JAMES

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

Novartis Institutes for BioMedical Research, Inc.

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

KERINS PATRICK J

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

SANDELL SCOTT D

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

MOTT DAVID M

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

BASKETT FOREST

Major owner
133,333 +4.2%
15.00
1,999,995 USD
133,333 +4.2% 15.00 1,999,995 USD