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Subsector - Chemicals
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Officer & Directors
10 Percent
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Manufacturing
Include option trades
Include indirect trades
Latest data: 9/14/2026 10:02:20 PM
1 Month
Buy/Sell Ratio 0.18
15%
85%
Buy
Sell
$42.11 M
($235.54) M
82 Insiders
234 Insiders
131 Transactions
334 Transactions
8/14/2026 to 9/14/2026
3 Month
Buy/Sell Ratio 0.16
13%
87%
Buy
Sell
$204.05 M
($1,291.99) M
197 Insiders
535 Insiders
361 Transactions
940 Transactions
6/14/2026 to 9/14/2026
6 Month
Buy/Sell Ratio 0.32
24%
76%
Buy
Sell
$658.23 M
($2,043.92) M
341 Insiders
859 Insiders
675 Transactions
1998 Transactions
3/14/2026 to 9/14/2026
12 Month
Buy/Sell Ratio 0.45
31%
69%
Buy
Sell
$1,750.77 M
($3,864.09) M
629 Insiders
1363 Insiders
1353 Transactions
4282 Transactions
9/14/2025 to 9/14/2026
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
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
Baker Bros. Advisors Lp
Kodiak Sciences Inc.
$60,000,008
1
Ra Capital Management, L.P.
Wave Life Sciences Ltd.
$54,631,065
4
Zanganeh Maky
Summit Therapeutics Inc.
$51,947,183
3
Duggan Robert W
Summit Therapeutics Inc.
$51,947,183
3
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
Oyler John
BeOne Medicines Ltd.
($129,947,766)
10
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
($118,662,602)
19
Ra Capital Management, L.P.
Vor Biopharma Inc.
($83,130,472)
22
Most Unique Insiders Buying (>25K)
12 months
Name
Unique insiders
Total Trades
Elanco Animal Health Inc
7
11
Indivior Pharmaceuticals, Inc.
7
8
Zenas Biopharma, Inc.
6
21
Chemours Co
6
6
CervoMed Inc.
5
12
Hepion Pharmaceuticals, Inc.
5
11
Maia Biotechnology, Inc.
5
9
HYPERION DEFI, INC.
5
8
Wd 40 Co
5
6
Quoin Pharmaceuticals, Ltd.
5
5
Most Unique Insiders Selling (>25K)
12 months
Name
Unique insiders
Total Trades
Procter & Gamble Co
17
27
Scholar Rock Holding Corp
13
27
TAKEDA PHARMACEUTICAL CO LTD
13
18
Vertex Pharmaceuticals Inc / Ma
12
53
Ani Pharmaceuticals Inc
12
42
Ionis Pharmaceuticals Inc
12
31
BeOne Medicines Ltd.
11
36
Uniqure N.V.
11
17
Twist Bioscience Corp
10
100
Arrowhead Pharmaceuticals, Inc.
10
21
Industry Summary of Insider Activity
1 Month
6 Month
12 Month
Name
Ratio
Buy $
Sell $
Ratio
Buy $
Sell $
Ratio
Buy $
Sell $
Industrial Inorganic Chemicals
8.99
$47,912
($5,327)
0.03
$156,311
($4,711,100)
0.03
$1,155,945
($37,955,834)
Medicinal Chemicals & Botanical Products
1.26
$1,032,476
($820,022)
0.09
$1,761,110
($20,355,672)
0.10
$2,204,654
($21,808,398)
Chemicals & Allied Products
0.66
$264,880
($402,005)
0.20
$1,877,617
($9,193,970)
0.10
$2,693,869
($25,925,052)
In Vitro & In Vivo Diagnostic Substances
0.34
$158,000
($461,996)
0.36
$271,489
($748,589)
0.88
$4,052,650
($4,597,155)
Industrial Organic Chemicals
0.22
$135,668
($627,040)
2.12
$25,112,776
($11,834,182)
2.80
$38,254,113
($13,643,917)
Pharmaceutical Preparations
0.20
$25,364,265
($127,511,469)
0.30
$403,637,668
($1,327,489,782)
0.29
$732,100,549
($2,568,576,895)
Biological Products, (no Disgnostic Substances)
0.15
$13,382,497
($87,165,660)
0.36
$218,351,678
($614,111,556)
0.85
$849,261,074
($1,002,640,652)
Perfumes, Cosmetics & Other Toilet Preparations
0.13
$505,649
($3,895,981)
0.03
$653,903
($23,044,535)
3.40
$112,386,841
($33,019,168)
Soap, Detergents, Cleang Preparations, Perfumes, Cosmetics
0.09
$1,020,798
($11,691,332)
0.30
$3,940,308
($12,993,512)
0.20
$4,133,506
($20,418,199)
Miscellaneous Chemical Products
0.05
$56,214
($1,225,185)
0.07
$408,697
($5,565,857)
0.04
$1,535,228
($36,785,051)
Agricultural Chemicals
0.02
$41,450
($1,733,236)
0.18
$940,830
($5,269,730)
0.01
$1,007,822
($79,388,200)
Plastic Materials, Synth Resins & Nonvulcan Elastomers
--
$98,756
$0
0.03
$98,756
($3,819,939)
0.01
$98,756
($9,883,874)
Paints, Varnishes, Lacquers, Enamels & Allied Prods
--
$1,368
$0
--
$2,530
$0
0.00
$2,530
($953,301)
Plastic Material, Synth Resin/rubber, Cellulos (no Glass)
--
$0
$0
--
$230,062
$0
--
$593,254
$0
Specialty Cleaning, Polishing And Sanitation Preparations
--
$0
$0
--
$429,124
$0
--
$851,235
$0
Adhesives & Sealants
--
$0
$0
0.08
$360,934
($4,780,228)
0.05
$439,737
($8,495,653)