Stock chart
Ticker: ASMB 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
2025-04-15 2025-03-31 S Sale

McHutchison John G

Non-Executive Director
1,000 -4.0%
9.85
USD 7,455
1,000 -4.0% 9.85 USD 100,000
2025-04-01 2025-03-31 PS Planned sale

Okazaki Jason A

CEO and President

Executive Director
355 -2.3%
9.85
USD 3,496
355 -2.3% 9.85 USD 3,496
2025-04-01 2025-03-31 S Sale

Bjorkquist Jeanette M

Principal Accounting Officer

Officer
180 -3.8%
9.85
USD 1,773
180 -3.8% 9.85 USD 1,773
2025-04-01 2025-03-31 S Sale

White Nicole S

Chief Manufacturing Officer

Officer
197 -1.7%
9.85
USD 1,940
197 -1.7% 9.85 USD 1,940
2024-12-31 2024-12-30 B Purchase

Houghton Michael

Non-Executive Director
3,202 +inf%
15.61
USD 49,998
3,202 +inf% 15.61 USD 49,998
2024-12-23 2024-12-19 B Purchase

GILEAD SCIENCES, INC.

Large shareholder
940,499 +74.1%
21.37
USD 20,098,464
940,499 +74.1% 21.37 USD 20,098,464
2024-11-26 2024-11-25 B Purchase

Schornstein Alexander

Large shareholder
5,000 +0.7%
14.85
USD 74,250
5,000 +0.7% 14.85 USD 74,250
2024-11-26 2024-11-25 B Purchase

Schornstein Alexander

Large shareholder
2,976 +0.4%
15.00
USD 44,640
2,976 +0.4% 15.00 USD 44,640
2024-11-26 2024-11-22 B Purchase

Schornstein Alexander

Large shareholder
17,024 +2.4%
14.87
USD 253,104
17,024 +2.4% 14.87 USD 253,104
2024-11-19 2024-11-18 S Sale

White Nicole S

Chief Manufacturing Officer

Officer
40 -0.3%
16.29
USD 652
40 -0.3% 16.29 USD 652
2024-10-09 2024-10-08 B Purchase

Schornstein Alexander

Large shareholder
10,000 +1.4%
14.58
USD 145,800
10,000 +1.4% 14.58 USD 145,800
2024-10-04 2024-10-03 S Sale

Okazaki Jason A

CEO and President

Executive Director
197 -1.3%
14.81
USD 2,918
197 -1.3% 14.81 USD 2,918
2024-10-04 2024-10-03 S Sale

White Nicole S

Chief Manufacturing Officer

Officer
157 -1.3%
14.81
USD 2,325
157 -1.3% 14.81 USD 2,325
2024-08-05 2024-08-02 S Sale

White Nicole S

Chief Manufacturing Officer

Officer
785 -6.1%
14.23
USD 11,173
785 -6.1% 14.23 USD 11,173
2024-08-05 2024-08-02 S Sale

Okazaki Jason A

CEO and President

Executive Director
981 -6.1%
14.23
USD 13,962
981 -6.1% 14.23 USD 13,962
2024-07-08 2024-07-05 B Purchase

Schornstein Alexander

Large shareholder
4,438 +0.6%
12.52
USD 55,564
4,438 +0.6% 12.52 USD 55,564
2024-07-08 2024-07-03 B Purchase

Schornstein Alexander

Large shareholder
4,562 +0.7%
12.29
USD 56,067
4,562 +0.7% 12.29 USD 56,067
2024-05-24 2024-05-23 S Sale

White Nicole S

Chief Manufacturing Officer

Officer
172 -1.3%
14.93
USD 2,569
172 -1.3% 14.93 USD 2,569
2024-05-24 2024-05-23 PS Planned sale

Okazaki Jason A

CEO and President

Executive Director
549 -3.3%
14.93
USD 8,199
549 -3.3% 14.93 USD 8,199
2024-05-24 2024-05-23 S Sale

Bjorkquist Jeanette M

Principal Accounting Officer

Officer
24 -0.8%
14.93
USD 358
24 -0.8% 14.93 USD 358
2024-05-24 2024-05-23 S Sale

McHutchison John G

Non-Executive Director
2,117 -10.0%
14.93
USD 31,615
2,117 -10.0% 14.93 USD 31,615
2024-05-01 2024-04-30 S Sale

Okazaki Jason A

CEO and President

Executive Director
1,569 -8.7%
12.71
USD 19,937
1,569 -8.7% 12.71 USD 19,937
2024-05-01 2024-04-30 S Sale

White Nicole S

Chief Manufacturing Officer

Officer
1,255 -8.8%
12.71
USD 15,947
1,255 -8.8% 12.71 USD 15,947
2024-04-02 2024-04-01 S Sale

Bjorkquist Jeanette M

Principal Accounting Officer

Officer
114 -3.5%
13.07
USD 1,490
114 -3.5% 13.07 USD 1,490
2024-04-02 2024-04-01 S Sale

McHutchison John G

Non-Executive Director
1,206 -5.4%
13.07
USD 15,765
1,206 -5.4% 13.07 USD 15,765
2024-04-02 2024-04-01 S Sale

White Nicole S

Chief Manufacturing Officer

Officer
197 -1.8%
13.07
USD 2,575
197 -1.8% 13.07 USD 2,575
2024-04-02 2024-04-01 S Sale

Okazaki Jason A

CEO and President

Executive Director
354 -2.5%
13.07
USD 4,627
354 -2.5% 13.07 USD 4,627
2024-03-29 2024-03-27 S Sale

Okazaki Jason A

CEO and President

Executive Director
392 -2.7%
12.87
USD 5,045
392 -2.7% 12.87 USD 5,045
2024-01-19 2024-01-18 B Purchase

Schornstein Alexander

Large shareholder
345,086 +4.4%
0.80
USD 276,069
345,086 +4.4% 0.80 USD 276,069
2024-01-19 2024-01-17 B Purchase

Schornstein Alexander

Large shareholder
299,994 +4.0%
0.78
USD 235,195
299,994 +4.0% 0.78 USD 235,195
2023-11-22 2023-11-21 B Purchase

Schornstein Alexander

Large shareholder
100,000 +1.3%
0.67
USD 66,700
100,000 +1.3% 0.67 USD 66,700
2023-11-22 2023-11-20 B Purchase

Schornstein Alexander

Large shareholder
300,000 +4.2%
0.72
USD 215,400
300,000 +4.2% 0.72 USD 215,400
2023-11-21 2023-11-17 S Sale

White Nicole S

Chief Manufacturing Officer

Officer
477 -0.5%
0.69
USD 329
477 -0.5% 0.69 USD 329
2023-10-04 2023-10-03 S Sale

Okazaki Jason A

CEO and President

Executive Director
2,363 -1.3%
0.80
USD 1,879
2,363 -1.3% 0.80 USD 1,879
2023-10-04 2023-10-03 S Sale

Delaney William E IV

Chief Scientific Officer

Officer
1,891 -1.2%
0.80
USD 1,504
1,891 -1.2% 0.80 USD 1,504
2023-10-04 2023-10-03 S Sale

White Nicole S

Chief Manufacturing Officer

Officer
1,891 -2.0%
0.80
USD 1,504
1,891 -2.0% 0.80 USD 1,504
2023-08-03 2023-08-02 S Sale

Delaney William E IV

Chief Scientific Officer

Officer
9,461 -6.2%
1.09
USD 10,293
9,461 -6.2% 1.09 USD 10,293
2023-08-03 2023-08-02 S Sale

Okazaki Jason A

CEO and President

Executive Director
11,827 -6.7%
1.09
USD 12,867
11,827 -6.7% 1.09 USD 12,867
2023-07-25 2023-07-24 S Sale

Bjorkquist Jeanette M

Principal Accounting Officer

Officer
844 -3.1%
1.07
USD 900
844 -3.1% 1.07 USD 900
2023-05-31 2023-05-30 S Sale

Delaney William E IV

Chief Scientific Officer

Officer
4,232 -3.6%
0.96
USD 4,046
4,232 -3.6% 0.96 USD 4,046
2023-05-24 2023-05-23 S Sale

Bjorkquist Jeanette M

Principal Accounting Officer

Officer
274 -1.0%
1.04
USD 285
274 -1.0% 1.04 USD 285
2023-05-24 2023-05-23 S Sale

Okazaki Jason A

CEO and President

Executive Director
6,561 -4.9%
1.04
USD 6,825
6,561 -4.9% 1.04 USD 6,825
2023-05-24 2023-05-23 S Sale

Delaney William E IV

Chief Scientific Officer

Officer
6,561 -5.3%
1.04
USD 6,825
6,561 -5.3% 1.04 USD 6,825
2023-05-24 2023-05-23 S Sale

McHutchison John G

Non-Executive Director
25,972 -13.3%
1.04
USD 27,019
25,972 -13.3% 1.04 USD 27,019
2023-03-28 2023-03-27 S Sale

Okazaki Jason A

CEO and President

Executive Director
4,693 -4.4%
1.02
USD 4,785
4,693 -4.4% 1.02 USD 4,785
2022-08-10 2022-08-08 PS Planned sale

McHutchison John G

Chief Executive Officer

Executive Director
12,314 -6.0%
2.13
USD 26,200
12,314 -6.0% 2.13 USD 26,200
2022-07-26 2022-07-25 PS Planned sale

Samar Michael P.

Chief Financial Officer

Officer
2,020 -2.5%
2.22
USD 4,479
2,020 -2.5% 2.22 USD 4,479
2022-06-02 2022-05-31 PS Planned sale

Delaney William E IV

Chief Scientific Officer

Officer
4,164 -5.2%
1.92
USD 8,005
4,164 -5.2% 1.92 USD 8,005
2022-03-29 2022-03-28 PS Planned sale

Okazaki Jason A

Chief Operating Officer

Officer
4,617 -6.7%
2.24
USD 10,363
4,617 -6.7% 2.24 USD 10,363
2021-06-01 2021-05-27 PS Planned sale

Delaney William E IV

Chief Scientific Officer

Officer
4,129 -7.2%
4.03
USD 16,637
4,129 -7.2% 4.03 USD 16,637
2020-12-15 2020-12-14 PS Planned sale

Papkoff Jacqueline Sybil

SVP-CSO Microbiome

Officer
1,297 -3.4%
6.15
USD 7,983
1,297 -3.4% 6.15 USD 7,983
2020-11-10 2020-11-09 PS Planned sale

Stamm Luisa M

Chief Medical Officer

Officer
4,397 -36.6%
5.10
USD 22,404
4,397 -36.6% 5.10 USD 22,404
2020-08-10 2020-08-07 PS Planned sale

McHutchison John G

CEO and President

Executive Director
756 -0.5%
22.50
USD 17,010
756 -0.5% 22.50 USD 17,010
2020-08-10 2020-08-07 PS Planned sale

McHutchison John G

CEO and President

Executive Director
11,395 -7.6%
21.76
USD 247,907
11,395 -7.6% 21.76 USD 247,907
2020-03-31 2020-03-31 PS Planned sale

Colonno Richard James

EVP & CSO, Virology Ops

Officer
7,812 -5.4%
15.04
USD 117,524
7,812 -5.4% 15.04 USD 117,524
2020-03-31 2020-03-30 PS Planned sale

Papkoff Jacqueline Sybil

SVP-CSO Microbiome

Officer
1,254 -3.1%
14.22
USD 17,831
1,254 -3.1% 14.22 USD 17,831
2019-12-16 2019-12-13 PS Planned sale

Papkoff Jacqueline Sybil

SVP-CSO Microbiome

Officer
1,460 -6.0%
21.00
USD 30,662
1,460 -6.0% 21.00 USD 30,662
2019-12-16 2019-12-12 PS Planned sale

Colonno Richard James

EVP & CSO, Virology Ops

Officer
33,061 -20.5%
25.00
USD 826,578
33,061 -20.5% 25.00 USD 826,578
2018-09-07 2018-09-06 PS Planned sale

Lopatin Uri A

Chief Med. Off., VP Res. Dev.

Officer
336 -0.1%
40.01
USD 13,442
336 -0.1% 40.01 USD 13,442
2018-09-07 2018-09-05 PS Planned sale

Lopatin Uri A

Chief Med. Off., VP Res. Dev.

Officer
15,204 -2.4%
40.09
USD 609,547
15,204 -2.4% 40.09 USD 609,547
2018-07-20 2018-07-19 B Purchase

Small Derek A

CEO and President

Executive Director
1,200 +0.2%
41.77
USD 50,123
1,200 +0.2% 41.77 USD 50,123
2018-07-20 2018-07-19 B Purchase

Small Derek A

CEO and President

Executive Director
1,200 +0.2%
41.19
USD 49,428
1,200 +0.2% 41.19 USD 49,428
2018-07-03 2018-07-02 PS Planned sale

RINGO WILLIAM R

Non-Executive Director
1,000 -4.9%
38.50
USD 38,503
1,000 -4.9% 38.50 USD 38,503
2018-06-01 2018-06-01 PS Planned sale

RINGO WILLIAM R

1,000 -4.9%
42.47
USD 42,470
1,000 -4.9% 42.47 USD 42,470
2018-05-02 2018-05-01 PS Planned sale

RINGO WILLIAM R

Non-Executive Director
1,000 -4.9%
43.06
USD 43,060
1,000 -4.9% 43.06 USD 43,060
2018-04-02 2018-04-02 PS Planned sale

RINGO WILLIAM R

1,000 -4.9%
49.32
USD 49,320
1,000 -4.9% 49.32 USD 49,320
2018-03-02 2018-03-01 PS Planned sale

RINGO WILLIAM R

1,000 -4.9%
56.37
USD 56,370
1,000 -4.9% 56.37 USD 56,370
2018-02-02 2018-02-01 PS Planned sale

RINGO WILLIAM R

Non-Executive Director
1,000 -4.9%
46.86
USD 46,860
1,000 -4.9% 46.86 USD 46,860
2018-01-03 2018-01-02 PS Planned sale

RINGO WILLIAM R

Non-Executive Director
1,000 -4.9%
45.04
USD 45,040
1,000 -4.9% 45.04 USD 45,040
2017-12-04 2017-12-01 PS Planned sale

RINGO WILLIAM R

1,000 -4.9%
49.37
USD 49,370
1,000 -4.9% 49.37 USD 49,370
2017-11-03 2017-11-01 PS Planned sale

RINGO WILLIAM R

1,000 -4.9%
29.55
USD 29,550
1,000 -4.9% 29.55 USD 29,550
2017-10-17 2017-10-16 PS Planned sale

RINGO WILLIAM R

1,000 -4.9%
33.70
USD 33,700
1,000 -4.9% 33.70 USD 33,700
2017-05-16 2017-05-12 S Sale

RINGO WILLIAM R

Non-Executive Director
3,461 -100.0%
22.00
USD 76,142
3,461 -100.0% 22.00 USD 76,142
2016-02-12 2016-02-11 B Purchase

Small Derek A

CEO and President

Executive Director
1,555 +0.2%
5.56
USD 8,647
1,555 +0.2% 5.56 USD 8,647
2016-02-12 2016-02-10 B Purchase

Small Derek A

CEO and President

Executive Director
8,445 +1.4%
5.52
USD 46,633
8,445 +1.4% 5.52 USD 46,633
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