Insider Buy/Sell Details for the Biotechnology Industry — January 2026
Ratio0.1:1
Daily Buy & Sell Volume
Transactions (1179)
Alumis Inc. Common Stock (ALMS)
Foresite Labs, LLC — 10% Owner
Shares
117,647
Price
$17.00
Total Value
$2.00M
Shares Held After
5,702,536
% of Holdings
2.1%
Alumis Inc. Common Stock (ALMS)
Foresite Capital Management VI LLC — 10% Owner
Shares
294,117
Price
$17.00
Total Value
$5.00M
Shares Held After
2,908,332
% of Holdings
10.1%
Alumis Inc. Common Stock (ALMS)
Foresite Capital Management VI LLC — 10% Owner
Shares
117,647
Price
$17.00
Total Value
$2.00M
Shares Held After
5,702,536
% of Holdings
2.1%
Alumis Inc. Common Stock (ALMS)
Tananbaum James B. — Director
Shares
294,117
Price
$17.00
Total Value
$5.00M
Shares Held After
2,908,332
% of Holdings
10.1%
Alumis Inc. Common Stock (ALMS)
Tananbaum James B. — Director
Shares
117,647
Price
$17.00
Total Value
$2.00M
Shares Held After
5,702,536
% of Holdings
2.1%
BridgeBio Pharma, Inc. (BBIO)
Kumar Neil — Director
Shares
300
Price
$75.20
Total Value
$22.56K
Shares Held After
4,538,447
% of Holdings
0.0%
BridgeBio Pharma, Inc. (BBIO)
Kumar Neil — Director
Shares
8,135
Price
$74.38
Total Value
$605.06K
Shares Held After
4,538,747
% of Holdings
0.2%
BridgeBio Pharma, Inc. (BBIO)
Kumar Neil — Director
Shares
11,565
Price
$73.65
Total Value
$851.81K
Shares Held After
4,546,882
% of Holdings
0.3%
BridgeBio Pharma, Inc. (BBIO)
Kumar Neil — Director
Shares
400
Price
$75.16
Total Value
$30.06K
Shares Held After
735,686
% of Holdings
0.1%
BridgeBio Pharma, Inc. (BBIO)
Kumar Neil — Director
Shares
8,085
Price
$74.38
Total Value
$601.34K
Shares Held After
736,086
% of Holdings
1.1%
BridgeBio Pharma, Inc. (BBIO)
Kumar Neil — Director
Shares
11,515
Price
$73.64
Total Value
$848.02K
Shares Held After
744,171
% of Holdings
1.5%
Acumen Pharmaceuticals, Inc. (ABOS)
Zuga Matt — CFO & Chief Business Officer
Shares
6,888
Price
$1.82
Total Value
$12.51K
Shares Held After
209,951
% of Holdings
3.2%
Acumen Pharmaceuticals, Inc. (ABOS)
Barton Russell — Chief Operating Officer
Shares
3,530
Price
$1.86
Total Value
$6.56K
Shares Held After
123,269
% of Holdings
2.8%
Acumen Pharmaceuticals, Inc. (ABOS)
Meisner Derek M — Chief Legal Officer & Corp Sec
Shares
30,092
Price
$1.82
Total Value
$54.87K
Shares Held After
97,548
% of Holdings
23.6%
Acumen Pharmaceuticals, Inc. (ABOS)
Meisner Derek M — Chief Legal Officer & Corp Sec
Shares
6,819
Price
$1.82
Total Value
$12.38K
Shares Held After
127,640
% of Holdings
5.1%
Acumen Pharmaceuticals, Inc. (ABOS)
OConnell Daniel Joseph — Director
Shares
8,143
Price
$1.82
Total Value
$14.82K
Shares Held After
611,839
% of Holdings
1.3%
PTC THERAPEUTICS, INC. (PTCT)
Utter Christine Marie — SVP, CHIEF ACCOUNTING OFFICER
Shares
1,034
Price
$76.45
Total Value
$79.05K
Shares Held After
72,693
% of Holdings
1.4%
PTC THERAPEUTICS, INC. (PTCT)
Pauwels Eric — CHIEF BUSINESS OFFICER
Shares
1,454
Price
$76.45
Total Value
$111.16K
Shares Held After
82,887
% of Holdings
1.7%
PTC THERAPEUTICS, INC. (PTCT)
Pauwels Eric — CHIEF BUSINESS OFFICER
Shares
587
Price
$76.98
Total Value
$45.19K
Shares Held After
84,341
% of Holdings
0.7%
PTC THERAPEUTICS, INC. (PTCT)
Pauwels Eric — CHIEF BUSINESS OFFICER
Shares
2,561
Price
$76.42
Total Value
$195.71K
Shares Held After
84,928
% of Holdings
2.9%
PTC THERAPEUTICS, INC. (PTCT)
Klein Matthew B. — Director
Shares
2,514
Price
$76.45
Total Value
$192.20K
Shares Held After
394,453
% of Holdings
0.6%
PTC THERAPEUTICS, INC. (PTCT)
Golden Lee Scott — EVP & CHIEF MEDICAL OFFICER
Shares
866
Price
$76.45
Total Value
$66.21K
Shares Held After
92,428
% of Holdings
0.9%
PTC THERAPEUTICS, INC. (PTCT)
Boulding Mark Elliott — EXEC. VP AND CLO
Shares
1,286
Price
$76.45
Total Value
$98.31K
Shares Held After
113,626
% of Holdings
1.1%
PTC THERAPEUTICS, INC. (PTCT)
Boulding Mark Elliott — EXEC. VP AND CLO
Shares
265
Price
$77.07
Total Value
$20.42K
Shares Held After
114,912
% of Holdings
0.2%
PTC THERAPEUTICS, INC. (PTCT)
Boulding Mark Elliott — EXEC. VP AND CLO
Shares
2,482
Price
$76.56
Total Value
$190.02K
Shares Held After
115,177
% of Holdings
2.1%
PTC THERAPEUTICS, INC. (PTCT)
Almstead Neil Gregory — CHIEF TECHNICAL OPS OFFICER
Shares
59
Price
$76.45
Total Value
$4.51K
Shares Held After
6,791
% of Holdings
0.9%
PTC THERAPEUTICS, INC. (PTCT)
Almstead Neil Gregory — CHIEF TECHNICAL OPS OFFICER
Shares
881
Price
$76.45
Total Value
$67.35K
Shares Held After
115,196
% of Holdings
0.8%
Enliven Therapeutics, Inc. (ELVN)
Lyssikatos Joseph P — CHIEF SCIENTIFIC OFFICER
Shares
33,802
Price
$24.92
Total Value
$842.47K
Shares Held After
856,386
% of Holdings
3.8%
Enliven Therapeutics, Inc. (ELVN)
Lyssikatos Joseph P — CHIEF SCIENTIFIC OFFICER
Shares
7,500
Price
$20.13
Total Value
$150.96K
Shares Held After
890,188
% of Holdings
0.8%
Enliven Therapeutics, Inc. (ELVN)
Heyman Richard A. — Director
Shares
8,015
Price
$25.04
Total Value
$200.66K
Shares Held After
29,392
% of Holdings
21.4%
Enliven Therapeutics, Inc. (ELVN)
Heyman Richard A. — Director
Shares
1,620
Price
$25.00
Total Value
$40.50K
Shares Held After
25,545
% of Holdings
6.0%
Werewolf Therapeutics, Inc. (HOWL)
EVNIN LUKE — Director
Shares
7,716
Price
$0.63
Total Value
$4.86K
Shares Held After
2,393,527
% of Holdings
0.3%
Clene Inc. (CLNN)
Ugwumba Chidozie — 10% Owner
Shares
3,195
Price
$6.09
Total Value
$19.46K
Shares Held After
750,367
% of Holdings
0.4%
Ainos, Inc. (AIMD)
Taiwan Carbon Nano Technology Corp — 10% Owner
Shares
850
Price
$1.80
Total Value
$1.53K
Shares Held After
1,036,356
% of Holdings
0.1%
Passage BIO, Inc. (PASG)
Chou William — Director
Shares
4,076
Price
$18.44
Total Value
$75.16K
Shares Held After
6,524
% of Holdings
38.5%
Passage BIO, Inc. (PASG)
Borthwick Kathleen — CFO
Shares
2,062
Price
$18.44
Total Value
$38.02K
Shares Held After
5,402
% of Holdings
27.6%
Zenas BioPharma, Inc. (ZBIO)
MOULDER LEON O JR — Director
Shares
30,000
Price
$16.30
Total Value
$489.00K
Shares Held After
346,155
% of Holdings
8.7%
MANNKIND CORP (MNKD)
Tross Stuart A — Chief People & Workpl Officer
Shares
47,006
Price
$6.33
Total Value
$297.55K
Shares Held After
985,007
% of Holdings
4.6%
AnaptysBio, Inc. (ANAB)
Lizzul Paul F. — Chief Medical Officer
Shares
3,650
Price
$44.71
Total Value
$163.19K
Shares Held After
42,088
% of Holdings
8.0%
AnaptysBio, Inc. (ANAB)
MULROY DENNIS — CHIEF FINANCIAL OFFICER
Shares
2,515
Price
$44.71
Total Value
$112.45K
Shares Held After
21,852
% of Holdings
10.3%
AnaptysBio, Inc. (ANAB)
LOUMEAU ERIC J — CHIEF LEGAL OFFICER
Shares
2,210
Price
$44.71
Total Value
$98.81K
Shares Held After
12,835
% of Holdings
14.7%
AnaptysBio, Inc. (ANAB)
Faga Daniel — Director
Shares
14,281
Price
$44.71
Total Value
$638.50K
Shares Held After
479,344
% of Holdings
2.9%
ARDELYX, INC. (ARDX)
Williams Laura A — Chief Patient Officer
Shares
50,000
Price
$6.98
Total Value
$348.90K
Shares Held After
361,563
% of Holdings
12.1%
Equillium, Inc. (EQ)
Tom Penny — Principal Accounting Officer
Shares
6,533
Price
$1.29
Total Value
$8.43K
Shares Held After
0
% of Holdings
100.0%
Xeris Biopharma Holdings, Inc. (XERS)
McCulloch Kevin — President and Chief Operating Officer
Shares
15,000
Price
$8.00
Total Value
$120.00K
Shares Held After
1,685,426
% of Holdings
0.9%
Milestone Pharmaceuticals Inc. (MIST)
Oliveto Joseph — Director
Shares
43,000
Price
$2.25
Total Value
$96.75K
Shares Held After
303,721
% of Holdings
12.4%
Acumen Pharmaceuticals, Inc. (ABOS)
Doherty James J. — President and CDO
Shares
6,467
Price
$1.82
Total Value
$11.77K
Shares Held After
54,033
% of Holdings
10.7%
Kiniksa Pharmaceuticals International, plc (KNSA)
Ragosa Mark — CHIEF FINANCIAL OFFICER
Shares
12,000
Price
$41.89
Total Value
$502.68K
Shares Held After
19,086
% of Holdings
38.6%
Altimmune, Inc. (ALT)
Pisano Wayne — Director
Shares
5,000
Price
$4.08
Total Value
$20.41K
Shares Held After
13,498
% of Holdings
37.0%
Serina Therapeutics, Inc. (SER)
Moreadith Randall — Chief Scientific Officer
Shares
13,000
Price
$2.69
Total Value
$34.95K
Shares Held After
0
% of Holdings
100.0%
Showing 701–750 of 1179 transactions (page 15 of 24)