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Subsector - Chemicals
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10 Percent
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Manufacturing
Include option trades
Include indirect trades
Latest data: 10/28/2026 10:01:44 PM
1 Month
Buy/Sell Ratio 0.24
19%
81%
Buy
Sell
$24.90 M
($103.55) M
45 Insiders
131 Insiders
63 Transactions
166 Transactions
9/28/2026 to 10/28/2026
3 Month
Buy/Sell Ratio 0.36
26%
74%
Buy
Sell
$289.58 M
($797.45) M
204 Insiders
479 Insiders
356 Transactions
824 Transactions
7/28/2026 to 10/28/2026
6 Month
Buy/Sell Ratio 0.39
27%
73%
Buy
Sell
$727.92 M
($1,888.11) M
347 Insiders
790 Insiders
678 Transactions
1853 Transactions
4/28/2026 to 10/28/2026
12 Month
Buy/Sell Ratio 0.48
32%
68%
Buy
Sell
$1,871.94 M
($3,909.76) M
626 Insiders
1358 Insiders
1385 Transactions
4224 Transactions
10/28/2025 to 10/28/2026
Monthly Buy and Sell Value
Monthly Buy/Sell Ratio
Most Insider Buying
12 months
Name
Value
Transactions
Roivant Sciences Ltd.
Immunovant, Inc.
$349,999,986
1
Baker Bros. Advisors Lp
Kodiak Sciences Inc.
$216,986,402
5
Baker Bros. Advisors Lp
Kymera Therapeutics, Inc.
$172,499,918
1
Smith Jeffrey C
Kenvue Inc.
$110,986,526
2
Ra Capital Management, L.P.
Artiva Biotherapeutics, Inc.
$92,678,453
20
Ra Capital Management, L.P.
Wave Life Sciences, Inc.
$54,631,065
4
Zanganeh Maky
Summit Therapeutics Inc.
$51,447,200
2
Duggan Robert W
Summit Therapeutics Inc.
$51,447,200
2
George Gregory
MESOBLAST LTD
$37,532,070
6
Aghazadeh Behzad
Scribe Therapeutics, Inc.
$36,259,761
2
Most Insider Selling
12 months
Name
Value
Transactions
Booth Bruce
Kymera Therapeutics, Inc.
($179,343,768)
13
Bvf Partners L P/Il
Kymera Therapeutics, Inc.
($173,665,077)
2
Manchester Keith S
Roivant Sciences Ltd.
($154,472,307)
10
Gold Daniel Allen
Roivant Sciences Ltd.
($147,382,307)
9
Fairmount Funds Management Llc
Apogee Therapeutics, Inc.
($133,525,000)
1
Rhodes Jason P
Dyne Therapeutics, Inc.
($129,095,797)
19
Fairmount Funds Management Llc
Cogent Biosciences, Inc.
($127,400,000)
1
Bloch Stephen M
Liquidia Corp
($125,050,198)
20
Oyler John
BeOne Medicines Ltd.
($120,892,072)
9
Sahin Ugur
BioNTech SE
($84,232,245)
26
Most Unique Insiders Buying (>25K)
12 months
Name
Unique insiders
Total Trades
Fuller H B Co
8
9
Elanco Animal Health Inc
7
11
Indivior Pharmaceuticals, Inc.
7
8
Chemours Co
6
6
Rapport Therapeutics, Inc.
6
6
CervoMed Inc.
5
12
Hepion Pharmaceuticals, Inc.
5
11
Maia Biotechnology, Inc.
5
10
Braveheart Bio, Inc.
5
5
Zenas Biopharma, Inc.
4
15
Most Unique Insiders Selling (>25K)
12 months
Name
Unique insiders
Total Trades
Scholar Rock Holding Corp
13
24
Procter & Gamble Co
13
23
TAKEDA PHARMACEUTICAL CO LTD
13
19
Vertex Pharmaceuticals Inc / Ma
12
52
Ani Pharmaceuticals Inc
12
44
Ionis Pharmaceuticals Inc
12
26
BeOne Medicines Ltd.
11
36
Uniqure N.V.
11
17
Twist Bioscience Corp
10
104
Revolution Medicines, Inc.
10
30
Industry Summary of Insider Activity
1 Month
6 Month
12 Month
Name
Ratio
Buy $
Sell $
Ratio
Buy $
Sell $
Ratio
Buy $
Sell $
Adhesives & Sealants
1.74
$749,167
($430,558)
0.24
$1,146,252
($4,760,002)
0.17
$1,584,171
($9,110,586)
Industrial Inorganic Chemicals
1.45
$10,170
($7,020)
0.04
$177,781
($4,718,120)
0.03
$1,177,415
($37,860,911)
Miscellaneous Chemical Products
0.42
$40,200
($95,373)
6.43
$34,438,027
($5,356,848)
1.03
$35,593,987
($34,622,710)
Biological Products, (no Disgnostic Substances)
0.32
$18,460,528
($57,684,051)
0.56
$355,054,635
($631,291,134)
0.94
$997,005,655
($1,062,672,463)
In Vitro & In Vivo Diagnostic Substances
0.26
$6,035
($23,170)
0.35
$272,002
($771,759)
0.84
$3,871,652
($4,587,267)
Pharmaceutical Preparations
0.12
$4,604,873
($38,739,648)
0.26
$301,294,139
($1,151,496,976)
0.26
$669,498,680
($2,546,745,593)
Soap, Detergents, Cleang Preparations, Perfumes, Cosmetics
0.00
$0
($2,606,942)
0.24
$3,740,308
($15,600,454)
0.23
$4,133,506
($18,178,692)
Industrial Organic Chemicals
0.00
$0
($2,167,325)
2.27
$25,017,380
($11,011,625)
2.55
$38,254,113
($15,030,168)
Perfumes, Cosmetics & Other Toilet Preparations
0.00
$0
($1,793,382)
0.02
$566,328
($24,555,279)
2.72
$112,386,841
($41,296,631)
Chemicals & Allied Products
--
$500,000
$0
0.25
$2,279,048
($9,193,970)
0.12
$3,193,869
($25,796,192)
Specialty Cleaning, Polishing And Sanitation Preparations
--
$286,425
$0
--
$715,549
$0
--
$1,137,660
$0
Plastic Materials, Synth Resins & Nonvulcan Elastomers
--
$242,010
$0
0.09
$340,766
($3,819,939)
0.03
$340,766
($9,843,254)
Plastic Material, Synth Resin/rubber, Cellulos (no Glass)
--
$0
$0
--
$230,062
$0
--
$593,254
$0
Medicinal Chemicals & Botanical Products
--
$0
$0
0.08
$1,701,900
($21,644,768)
0.09
$2,154,671
($23,675,217)
Paints, Varnishes, Lacquers, Enamels & Allied Prods
--
$0
$0
--
$2,530
$0
0.00
$2,530
($953,301)
Agricultural Chemicals
--
$0
$0
0.24
$942,959
($3,887,990)
0.01
$1,009,951
($79,388,200)