Stock chart
Ticker: ZYME Exchange: NYS


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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
2025-04-18 2025-04-17 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
1,000 +0.3%
11.52
USD 630,819
1,000 +0.3% 11.52 USD 100,000
2025-04-18 2025-04-16 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
1,000 +0.4%
11.16
USD 825,589
1,000 +0.4% 11.16 USD 100,000
2025-04-07 2025-04-04 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
196,438 +1.1%
11.17
USD 2,193,800
196,438 +1.1% 11.17 USD 2,193,800
2025-04-07 2025-04-03 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
120,770 +0.7%
11.84
USD 1,430,170
120,770 +0.7% 11.84 USD 1,430,170
2025-04-02 2025-04-02 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
74,360 +0.4%
11.85
USD 881,017
74,360 +0.4% 11.85 USD 881,017
2025-04-02 2025-04-01 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
48,658 +0.3%
11.60
USD 564,647
48,658 +0.3% 11.60 USD 564,647
2025-04-02 2025-03-31 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
4,397 +0.0%
11.75
USD 51,658
4,397 +0.0% 11.75 USD 51,658
2025-03-27 2025-03-26 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
43,848 +0.3%
12.24
USD 536,857
43,848 +0.3% 12.24 USD 536,857
2025-03-27 2025-03-25 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
53,501 +0.3%
12.91
USD 690,452
53,501 +0.3% 12.91 USD 690,452
2025-03-24 2025-03-24 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
22,689 +0.1%
13.08
USD 296,847
22,689 +0.1% 13.08 USD 296,847
2025-03-24 2025-03-21 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
31,033 +0.2%
12.78
USD 396,518
31,033 +0.2% 12.78 USD 396,518
2025-03-24 2025-03-20 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
73,476 +0.4%
12.93
USD 949,883
73,476 +0.4% 12.93 USD 949,883
2025-03-19 2025-03-19 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
58,306 +0.3%
12.64
USD 737,233
58,306 +0.3% 12.64 USD 737,233
2025-03-19 2025-03-18 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
113,880 +0.7%
12.65
USD 1,440,855
113,880 +0.7% 12.65 USD 1,440,855
2025-03-19 2025-03-17 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
56,277 +0.3%
12.23
USD 688,465
56,277 +0.3% 12.23 USD 688,465
2025-03-13 2025-03-13 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
468,356 +2.9%
12.48
USD 5,847,237
468,356 +2.9% 12.48 USD 5,847,237
2025-03-13 2025-03-12 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
292,934 +1.8%
12.25
USD 3,587,826
292,934 +1.8% 12.25 USD 3,587,826
2025-03-13 2025-03-11 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
320,690 +2.0%
11.49
USD 3,685,851
320,690 +2.0% 11.49 USD 3,685,851
2025-01-21 2025-01-17 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
19,748 +0.1%
13.87
USD 273,998
19,748 +0.1% 13.87 USD 273,998
2025-01-21 2025-01-16 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
121,681 +0.8%
13.89
USD 1,689,541
121,681 +0.8% 13.89 USD 1,689,541
2025-01-15 2025-01-15 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
39,029 +0.3%
14.01
USD 546,671
39,029 +0.3% 14.01 USD 546,671
2025-01-15 2025-01-14 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
54,500 +0.4%
13.56
USD 739,265
54,500 +0.4% 13.56 USD 739,265
2025-01-15 2025-01-13 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
74,125 +0.5%
13.39
USD 992,875
74,125 +0.5% 13.39 USD 992,875
2025-01-10 2025-01-10 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
204,098 +1.3%
13.13
USD 2,678,990
204,098 +1.3% 13.13 USD 2,678,990
2025-01-10 2025-01-08 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
21,021 +0.1%
14.07
USD 295,829
21,021 +0.1% 14.07 USD 295,829
2025-01-06 2025-01-06 S Sale

Moore Paul Andrew

Chief Scientific Officer

Officer
11,408 -32.8%
14.92
USD 170,254
11,408 -32.8% 14.92 USD 170,254
2025-01-06 2025-01-06 S Sale

Moore Paul Andrew

Chief Scientific Officer

Officer
9,792 -39.9%
14.92
USD 146,137
9,792 -39.9% 14.92 USD 146,137
2025-01-06 2025-01-06 S Sale

Galbraith Kenneth

Chair & CEO

Executive Director
33,406 -29.2%
14.92
USD 498,554
33,406 -29.2% 14.92 USD 498,554
2025-01-06 2025-01-06 S Sale

Galbraith Kenneth

Chair & CEO

Executive Director
23,885 -33.4%
14.92
USD 356,462
23,885 -33.4% 14.92 USD 356,462
2025-01-06 2025-01-06 S Sale

Smith Jeffrey T L

EVP & Chief Medical Officer

Officer
11,110 -55.5%
14.92
USD 165,807
11,110 -55.5% 14.92 USD 165,807
2025-01-02 2025-01-02 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
157,880 +1.1%
14.78
USD 2,333,403
157,880 +1.1% 14.78 USD 2,333,403
2025-01-02 2024-12-31 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
146,501 +1.0%
14.57
USD 2,134,446
146,501 +1.0% 14.57 USD 2,134,446
2025-01-02 2024-12-30 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
58,988 +0.4%
14.47
USD 853,326
58,988 +0.4% 14.47 USD 853,326
2024-12-27 2024-12-27 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
101,659 +0.7%
14.49
USD 1,473,181
101,659 +0.7% 14.49 USD 1,473,181
2024-12-27 2024-12-26 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
16,692 +0.1%
14.38
USD 240,038
16,692 +0.1% 14.38 USD 240,038
2024-12-27 2024-12-24 B Purchase

EcoR1 Capital, LLC

Non-Executive Director Large shareholder
11,958 +0.1%
14.12
USD 168,896
11,958 +0.1% 14.12 USD 168,896
2024-01-08 2024-01-08 S Sale

Astle Christopher

SVP & Chief Financial Officer

Officer
1,431 -18.0%
11.22
USD 16,050
1,431 -18.0% 11.22 USD 16,050
2024-01-08 2024-01-08 S Sale

Galbraith Kenneth

Chair & CEO

Executive Director
5,706 -19.4%
11.22
USD 63,996
5,706 -19.4% 11.22 USD 63,996
2024-01-08 2024-01-08 S Sale

Moore Paul Andrew

Chief Scientific Officer

Officer
2,339 -24.1%
11.22
USD 26,233
2,339 -24.1% 11.22 USD 26,233
2024-01-08 2024-01-05 S Sale

Astle Christopher

SVP & Chief Financial Officer

Officer
4,563 -36.5%
10.65
USD 48,606
4,563 -36.5% 10.65 USD 48,606
2024-01-08 2024-01-05 S Sale

Galbraith Kenneth

Chair & CEO

Executive Director
18,198 -38.2%
10.65
USD 193,849
18,198 -38.2% 10.65 USD 193,849
2024-01-08 2024-01-05 S Sale

Moore Paul Andrew

Chief Scientific Officer

Officer
7,460 -43.5%
10.65
USD 79,465
7,460 -43.5% 10.65 USD 79,465
2023-12-11 2023-12-11 S Sale

Astle Christopher

SVP & Chief Financial Officer

Officer
886 -30.7%
9.13
USD 8,089
886 -30.7% 9.13 USD 8,089
2023-06-21 2023-06-16 B Purchase

EcoR1 Capital, LLC

Large shareholder
3,350,000 +33.2%
8.12
USD 27,202,000
3,350,000 +33.2% 8.12 USD 27,202,000
2023-03-30 2023-03-28 B Purchase

EcoR1 Capital, LLC

Large shareholder
200,000 +2.0%
8.00
USD 1,600,000
200,000 +2.0% 8.00 USD 1,600,000
2023-03-14 2023-03-10 S Sale

Klompas Neil A

President & COO

Officer
2,977 -14.9%
7.83
USD 23,298
2,977 -14.9% 7.83 USD 23,298
2023-01-23 2023-01-20 B Purchase

EcoR1 Capital, LLC

Large shareholder
163,400 +1.7%
9.88
USD 1,615,095
163,400 +1.7% 9.88 USD 1,615,095
2023-01-23 2023-01-19 B Purchase

EcoR1 Capital, LLC

Large shareholder
144,100 +1.5%
9.49
USD 1,367,639
144,100 +1.5% 9.49 USD 1,367,639
2023-01-18 2023-01-18 B Purchase

EcoR1 Capital, LLC

Large shareholder
203,000 +2.2%
10.00
USD 2,029,046
203,000 +2.2% 10.00 USD 2,029,046
2023-01-18 2023-01-17 B Purchase

EcoR1 Capital, LLC

Large shareholder
440,000 +4.9%
9.80
USD 4,313,848
440,000 +4.9% 9.80 USD 4,313,848
2023-01-18 2023-01-13 B Purchase

EcoR1 Capital, LLC

Large shareholder
342,100 +4.0%
9.81
USD 3,354,633
342,100 +4.0% 9.81 USD 3,354,633
2023-01-12 2023-01-11 B Purchase

EcoR1 Capital, LLC

Large shareholder
106,300 +1.3%
7.87
USD 836,911
106,300 +1.3% 7.87 USD 836,911
2023-01-12 2023-01-10 B Purchase

EcoR1 Capital, LLC

Large shareholder
920,000 +12.2%
7.65
USD 7,037,172
920,000 +12.2% 7.65 USD 7,037,172
2022-12-14 2022-12-12 PS Planned sale

Astle Christopher

SVP & Chief Financial Officer

Officer
887 -40.0%
6.01
USD 5,331
887 -40.0% 6.01 USD 5,331
2022-11-14 2022-11-10 PS Planned sale

Josephson Neil

Chief Medical Officer

Officer
2,475 -14.6%
8.10
USD 20,045
2,475 -14.6% 8.10 USD 20,045
2022-11-14 2022-11-10 PS Planned sale

Josephson Neil

Chief Medical Officer

Officer
2,475 -14.6%
8.10
USD 20,045
2,475 -14.6% 8.10 USD 20,045
2022-03-11 2022-03-10 PS Planned sale

Klompas Neil A

Chief Operating Officer

Officer
2,979 -18.3%
6.88
USD 20,496
2,979 -18.3% 6.88 USD 20,496
2022-01-11 2022-01-07 B Purchase

Josephson Neil

Chief Medical Officer

Officer
3,600 +102.3%
14.28
USD 51,408
3,600 +102.3% 14.28 USD 51,408
2022-01-11 2022-01-07 B Purchase

Josephson Neil

Chief Medical Officer

Officer
1,400 +66.1%
14.27
USD 19,978
1,400 +66.1% 14.27 USD 19,978
2021-04-13 2021-04-13 PS Planned sale

Priour James

Chief Commercial Officer

Officer
950 -32.2%
27.93
USD 26,533
950 -32.2% 27.93 USD 26,533
2021-03-17 2021-03-15 S Sale

O'Driscoll Kathryn

Chief People Officer

Officer
786 -13.6%
34.72
USD 27,290
786 -13.6% 34.72 USD 27,290
2021-03-12 2021-03-10 PS Planned sale

O'Driscoll Kathryn

Chief People Officer

Officer
568 -8.9%
34.95
USD 19,854
568 -8.9% 34.95 USD 19,854
2021-03-12 2021-03-10 PS Planned sale

Tehrani Ali

Chief Executive Officer

Executive Director
4,392 -1.7%
34.95
USD 153,516
4,392 -1.7% 34.95 USD 153,516
2021-03-12 2021-03-10 PS Planned sale

HAUSMAN DIANA

Chief Medical Officer

Officer
1,048 -16.3%
34.95
USD 36,631
1,048 -16.3% 34.95 USD 36,631
2021-03-12 2021-03-10 PS Planned sale

Polverino Anthony J.

Chief Scientific Officer

Officer
1,048 -3.3%
34.95
USD 36,631
1,048 -3.3% 34.95 USD 36,631
2021-03-12 2021-03-10 PS Planned sale

Klompas Neil A

Chief Financial Officer

Officer
1,425 -12.0%
34.95
USD 49,809
1,425 -12.0% 34.95 USD 49,809
2020-12-11 2020-12-09 S Sale

Klompas Neil A

Chief Financial Officer

Officer
25,000 -73.3%
53.25
USD 1,331,133
25,000 -73.3% 53.25 USD 1,331,133
2020-12-09 2020-12-07 S Sale

Tehrani Ali

Chief Executive Officer

Executive Director
850 -1.5%
56.16
USD 47,736
850 -1.5% 56.16 USD 47,736
2020-12-04 2020-12-04 PS Planned sale

HAUSMAN DIANA

Chief Medical Officer

Officer
6,032 -61.9%
55.12
USD 332,476
6,032 -61.9% 55.12 USD 332,476
2020-12-03 2020-12-02 PS Planned sale

HAUSMAN DIANA

Chief Medical Officer

Officer
701 -15.9%
55.01
USD 38,563
701 -15.9% 55.01 USD 38,563
2020-12-03 2020-12-01 PS Planned sale

HAUSMAN DIANA

Chief Medical Officer

Officer
18,267 -83.1%
55.19
USD 1,008,240
18,267 -83.1% 55.19 USD 1,008,240
2020-11-04 2020-11-02 S Sale

Tehrani Ali

Chief Executive Officer

Executive Director
3,500 -5.8%
39.04
USD 136,624
3,500 -5.8% 39.04 USD 136,624
2020-09-16 2020-09-14 PS Planned sale

HAUSMAN DIANA

Chief Medical Officer

Officer
40,000 -91.5%
45.00
USD 1,800,000
40,000 -91.5% 45.00 USD 1,800,000
2020-04-07 2020-04-03 B Purchase

Tehrani Ali

Chief Executive Officer

Executive Director
80 +0.1%
33.39
USD 2,671
80 +0.1% 33.39 USD 2,671
2020-04-07 2020-04-03 B Purchase

Tehrani Ali

Chief Executive Officer

Executive Director
495 +0.8%
33.39
USD 16,528
495 +0.8% 33.39 USD 16,528
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