Insider Buy/Sell Details for the Biotechnology Industry — March 2026
Ratio0.1:1
Daily Buy & Sell Volume
Transactions (1101)
Zai Lab Ltd (ZLAB)
Du Ying — Director
Shares
50,000
Price
$19.42
Total Value
$970.94K
Shares Held After
964,161
% of Holdings
4.9%
Lyell Immunopharma, Inc. (LYEL)
ARCH Venture Partners IX, LLC — 10% Owner
Shares
488,090
Price
$25.61
Total Value
$12.50M
Shares Held After
1,426,528
% of Holdings
34.2%
Xencor Inc (XNCR)
Dahiyat Bassil I — Director
Shares
6,606
Price
$11.02
Total Value
$72.80K
Shares Held After
546,316
% of Holdings
1.2%
UNITED THERAPEUTICS Corp (UTHR)
Olian Judy D. — Director
Shares
200
Price
$510.00
Total Value
$102.00K
Shares Held After
4,645
% of Holdings
4.1%
Xencor Inc (XNCR)
Eckert Celia — SVP, GENERAL COUNSEL
Shares
1,767
Price
$11.02
Total Value
$19.47K
Shares Held After
76,918
% of Holdings
2.2%
Lyell Immunopharma, Inc. (LYEL)
ARCH Venture Fund XIII, L.P. — 10% Owner
Shares
488,090
Price
$25.61
Total Value
$12.50M
Shares Held After
1,426,528
% of Holdings
34.2%
Xencor Inc (XNCR)
Desjarlais John R — SR. VICE PRESIDENT & CSO
Shares
2,502
Price
$11.02
Total Value
$27.57K
Shares Held After
263,831
% of Holdings
0.9%
ARVINAS, INC. (ARVN)
Morrison Briggs — Director
Shares
20,000
Price
$13.40
Total Value
$268.07K
Shares Held After
96,021
% of Holdings
20.8%
Altimmune, Inc. (ALT)
Durso Jerome Benedict — Director
Shares
20,000
Price
$3.54
Total Value
$70.79K
Shares Held After
32,500
% of Holdings
61.5%
Altimmune, Inc. (ALT)
WEAVER GREGORY L — Chief Financial Officer
Shares
5,000
Price
$3.54
Total Value
$17.70K
Shares Held After
28,078
% of Holdings
17.8%
ADMA BIOLOGICS, INC. (ADMA)
ELMS STEVE — Director
Shares
7,000
Price
$15.39
Total Value
$107.73K
Shares Held After
2,045,730
% of Holdings
0.3%
Tectonic Therapeutic, Inc. (TECX)
Ruddy Marcella K. — Chief Medical Officer
Shares
10,000
Price
$30.00
Total Value
$300.00K
Shares Held After
69,747
% of Holdings
12.5%
Tectonic Therapeutic, Inc. (TECX)
McNamara Peter — Chief Scientific Officer
Shares
215
Price
$35.00
Total Value
$7.53K
Shares Held After
55,285
% of Holdings
0.4%
Tectonic Therapeutic, Inc. (TECX)
McNamara Peter — Chief Scientific Officer
Shares
6,047
Price
$30.00
Total Value
$181.41K
Shares Held After
55,500
% of Holdings
9.8%
NewAmsterdam Pharma Co N.V. (NAMS)
Kastelein Johannes Jacob Pieter — Director
Shares
94,124
Price
$30.32
Total Value
$2.85M
Shares Held After
69,302
% of Holdings
57.6%
MADRIGAL PHARMACEUTICALS, INC. (MDGL)
Dier Mardi — EVP and CFO
Shares
40
Price
$437.65
Total Value
$17.51K
Shares Held After
12,490
% of Holdings
0.3%
MADRIGAL PHARMACEUTICALS, INC. (MDGL)
Dier Mardi — EVP and CFO
Shares
80
Price
$436.69
Total Value
$34.94K
Shares Held After
12,530
% of Holdings
0.6%
MADRIGAL PHARMACEUTICALS, INC. (MDGL)
Dier Mardi — EVP and CFO
Shares
80
Price
$435.31
Total Value
$34.83K
Shares Held After
12,610
% of Holdings
0.6%
MADRIGAL PHARMACEUTICALS, INC. (MDGL)
Dier Mardi — EVP and CFO
Shares
160
Price
$434.20
Total Value
$69.47K
Shares Held After
12,690
% of Holdings
1.2%
MADRIGAL PHARMACEUTICALS, INC. (MDGL)
Dier Mardi — EVP and CFO
Shares
116
Price
$432.56
Total Value
$50.18K
Shares Held After
12,850
% of Holdings
0.9%
MADRIGAL PHARMACEUTICALS, INC. (MDGL)
Dier Mardi — EVP and CFO
Shares
120
Price
$430.90
Total Value
$51.71K
Shares Held After
12,966
% of Holdings
0.9%
MADRIGAL PHARMACEUTICALS, INC. (MDGL)
Dier Mardi — EVP and CFO
Shares
40
Price
$429.58
Total Value
$17.18K
Shares Held After
13,086
% of Holdings
0.3%
MADRIGAL PHARMACEUTICALS, INC. (MDGL)
Dier Mardi — EVP and CFO
Shares
160
Price
$429.00
Total Value
$68.64K
Shares Held After
13,126
% of Holdings
1.2%
MADRIGAL PHARMACEUTICALS, INC. (MDGL)
Dier Mardi — EVP and CFO
Shares
80
Price
$427.85
Total Value
$34.23K
Shares Held After
13,286
% of Holdings
0.6%
MADRIGAL PHARMACEUTICALS, INC. (MDGL)
Dier Mardi — EVP and CFO
Shares
420
Price
$426.86
Total Value
$179.28K
Shares Held After
13,366
% of Holdings
3.0%
MADRIGAL PHARMACEUTICALS, INC. (MDGL)
Dier Mardi — EVP and CFO
Shares
40
Price
$425.08
Total Value
$17.00K
Shares Held After
13,786
% of Holdings
0.3%
MADRIGAL PHARMACEUTICALS, INC. (MDGL)
Dier Mardi — EVP and CFO
Shares
646
Price
$431.94
Total Value
$279.03K
Shares Held After
13,826
% of Holdings
4.5%
Bicara Therapeutics Inc. (BCAX)
Mazumdar Claire — Director
Shares
3,817
Price
$18.75
Total Value
$71.57K
Shares Held After
339,392
% of Holdings
1.1%
MADRIGAL PHARMACEUTICALS, INC. (MDGL)
Sibold William John — Director
Shares
1,663
Price
$431.94
Total Value
$718.32K
Shares Held After
161,829
% of Holdings
1.0%
MADRIGAL PHARMACEUTICALS, INC. (MDGL)
Huntsman Carole — Chief Commercial Officer
Shares
419
Price
$431.94
Total Value
$180.98K
Shares Held After
12,692
% of Holdings
3.2%
MADRIGAL PHARMACEUTICALS, INC. (MDGL)
Kelley Shannon T — General Counsel
Shares
360
Price
$431.94
Total Value
$155.50K
Shares Held After
12,138
% of Holdings
2.9%
MADRIGAL PHARMACEUTICALS, INC. (MDGL)
Taub Rebecca — Director
Shares
491
Price
$431.94
Total Value
$212.08K
Shares Held After
452,213
% of Holdings
0.1%
CYTOKINETICS INC (CYTK)
Callos Andrew — EVP, Chief Commercial Officer
Shares
11,000
Price
$61.88
Total Value
$680.68K
Shares Held After
50,440
% of Holdings
17.9%
CYTOKINETICS INC (CYTK)
Callos Andrew — EVP, Chief Commercial Officer
Shares
15,000
Price
$61.87
Total Value
$928.05K
Shares Held After
61,440
% of Holdings
19.6%
INSMED Inc (INSM)
Lewis William — Director
Shares
2,128
Price
$147.54
Total Value
$313.97K
Shares Held After
301,185
% of Holdings
0.7%
INSMED Inc (INSM)
Lewis William — Director
Shares
3,899
Price
$146.66
Total Value
$571.83K
Shares Held After
303,313
% of Holdings
1.3%
INSMED Inc (INSM)
Lewis William — Director
Shares
2,589
Price
$145.27
Total Value
$376.10K
Shares Held After
307,212
% of Holdings
0.8%
INSMED Inc (INSM)
Lewis William — Director
Shares
2,083
Price
$144.23
Total Value
$300.43K
Shares Held After
309,801
% of Holdings
0.7%
UNITED THERAPEUTICS Corp (UTHR)
MAHON PAUL A — EVP & GENERAL COUNSEL
Shares
200
Price
$487.65
Total Value
$97.53K
Shares Held After
36,844
% of Holdings
0.5%
UNITED THERAPEUTICS Corp (UTHR)
MAHON PAUL A — EVP & GENERAL COUNSEL
Shares
743
Price
$486.52
Total Value
$361.48K
Shares Held After
37,044
% of Holdings
2.0%
UNITED THERAPEUTICS Corp (UTHR)
MAHON PAUL A — EVP & GENERAL COUNSEL
Shares
1,006
Price
$485.32
Total Value
$488.24K
Shares Held After
37,787
% of Holdings
2.6%
UNITED THERAPEUTICS Corp (UTHR)
MAHON PAUL A — EVP & GENERAL COUNSEL
Shares
1,398
Price
$484.55
Total Value
$677.40K
Shares Held After
38,793
% of Holdings
3.5%
UNITED THERAPEUTICS Corp (UTHR)
MAHON PAUL A — EVP & GENERAL COUNSEL
Shares
1,086
Price
$483.54
Total Value
$525.12K
Shares Held After
40,191
% of Holdings
2.6%
UNITED THERAPEUTICS Corp (UTHR)
MAHON PAUL A — EVP & GENERAL COUNSEL
Shares
1,177
Price
$482.68
Total Value
$568.11K
Shares Held After
41,277
% of Holdings
2.8%
UNITED THERAPEUTICS Corp (UTHR)
MAHON PAUL A — EVP & GENERAL COUNSEL
Shares
720
Price
$481.33
Total Value
$346.56K
Shares Held After
42,454
% of Holdings
1.7%
UNITED THERAPEUTICS Corp (UTHR)
MAHON PAUL A — EVP & GENERAL COUNSEL
Shares
1,602
Price
$480.22
Total Value
$769.31K
Shares Held After
43,174
% of Holdings
3.6%
UNITED THERAPEUTICS Corp (UTHR)
MAHON PAUL A — EVP & GENERAL COUNSEL
Shares
368
Price
$479.43
Total Value
$176.43K
Shares Held After
44,776
% of Holdings
0.8%
Zai Lab Ltd (ZLAB)
Du Ying — Director
Shares
50,000
Price
$19.22
Total Value
$961.05K
Shares Held After
964,161
% of Holdings
4.9%
ALNYLAM PHARMACEUTICALS, INC. (ALNY)
Fitzgerald Kevin Joseph — CSO & EVP, Head of Research
Shares
153
Price
$326.24
Total Value
$49.91K
Shares Held After
20,569
% of Holdings
0.7%
ALNYLAM PHARMACEUTICALS, INC. (ALNY)
Fitzgerald Kevin Joseph — CSO & EVP, Head of Research
Shares
148
Price
$324.60
Total Value
$48.04K
Shares Held After
20,722
% of Holdings
0.7%
Showing 501–550 of 1101 transactions (page 11 of 23)