Insider Buy/Sell Details for the Basic Materials Sector — May 2026
Ratio0.3:1
Daily Buy & Sell Volume
Transactions (84)
MERCER INTERNATIONAL INC. (MERC)
KELLOGG PETER R — 10% Owner
Shares
200,000
Price
$0.88
Total Value
$176.22K
Shares Held After
1,257,000
% of Holdings
15.9%
HUDSON TECHNOLOGIES INC /NY (HDSN)
Parrillo Richard — Director
Shares
1,400
Price
$4.97
Total Value
$6.96K
Shares Held After
25,595
% of Holdings
5.5%
HUDSON TECHNOLOGIES INC /NY (HDSN)
Parrillo Richard — Director
Shares
3,600
Price
$4.96
Total Value
$17.86K
Shares Held After
24,195
% of Holdings
14.9%
HUDSON TECHNOLOGIES INC /NY (HDSN)
Mansy Loan Nguyen — Director
Shares
1,400
Price
$4.97
Total Value
$6.96K
Shares Held After
25,595
% of Holdings
5.5%
HUDSON TECHNOLOGIES INC /NY (HDSN)
Mansy Loan Nguyen — Director
Shares
3,600
Price
$4.96
Total Value
$17.86K
Shares Held After
24,195
% of Holdings
14.9%
HUDSON TECHNOLOGIES INC /NY (HDSN)
Feeler Jeffrey R — Director
Shares
5,100
Price
$4.92
Total Value
$25.09K
Shares Held After
9,165
% of Holdings
55.6%
HUDSON TECHNOLOGIES INC /NY (HDSN)
Bulgarino Nicole E — Director
Shares
550
Price
$4.84
Total Value
$2.66K
Shares Held After
11,048
% of Holdings
5.0%
LyondellBasell Industries N.V. (LYB)
Kaplan Jeffrey A — EVP, Chief PC, Leg & Corp Ofc
Shares
10,000
Price
$74.16
Total Value
$741.57K
Shares Held After
96,674
% of Holdings
9.4%
Perimeter Solutions, Inc. (PRM)
Emery Jeffrey — President - Global Fire Safety
Shares
53,537
Price
$33.45
Total Value
$1.79M
Shares Held After
0
% of Holdings
100.0%
Perimeter Solutions, Inc. (PRM)
Sable Kyle — Chief Financial Officer
Shares
3,277
Price
$33.59
Total Value
$110.07K
Shares Held After
0
% of Holdings
100.0%
Perimeter Solutions, Inc. (PRM)
Sable Kyle — Chief Financial Officer
Shares
46,263
Price
$33.05
Total Value
$1.53M
Shares Held After
3,277
% of Holdings
93.4%
GERDAU S.A. (GGB)
Metz Mauricio — Executive Vice President
Shares
5,000
Price
$4.85
Total Value
$24.25K
Shares Held After
34,536
% of Holdings
12.6%
MATERION Corp (MTRN)
KHILNANI VINOD M — Director
Shares
603
Price
$208.74
Total Value
$125.87K
Shares Held After
13,171
% of Holdings
4.4%
MATERION Corp (MTRN)
KHILNANI VINOD M — Director
Shares
410
Price
$208.03
Total Value
$85.29K
Shares Held After
13,774
% of Holdings
2.9%
MATERION Corp (MTRN)
KHILNANI VINOD M — Director
Shares
752
Price
$206.68
Total Value
$155.42K
Shares Held After
14,184
% of Holdings
5.0%
MATERION Corp (MTRN)
KHILNANI VINOD M — Director
Shares
735
Price
$205.32
Total Value
$150.91K
Shares Held After
14,936
% of Holdings
4.7%
STEEL DYNAMICS INC (STLD)
Graham Christopher A — Senior Vice President
Shares
3,001
Price
$236.90
Total Value
$710.94K
Shares Held After
68,747
% of Holdings
4.2%
STEEL DYNAMICS INC (STLD)
Graham Christopher A — Senior Vice President
Shares
3,000
Price
$237.01
Total Value
$711.03K
Shares Held After
71,748
% of Holdings
4.0%
STEEL DYNAMICS INC (STLD)
Graham Christopher A — Senior Vice President
Shares
2,999
Price
$236.52
Total Value
$709.32K
Shares Held After
74,748
% of Holdings
3.9%
HUDSON TECHNOLOGIES INC /NY (HDSN)
Sheriff Alan — Director
Shares
5,200
Price
$4.88
Total Value
$25.35K
Shares Held After
9,265
% of Holdings
56.1%
HUDSON TECHNOLOGIES INC /NY (HDSN)
Gaglione Kenneth — Director
Shares
5,000
Price
$4.89
Total Value
$24.47K
Shares Held After
5,000
% of Holdings
100.0%
HUDSON TECHNOLOGIES INC /NY (HDSN)
Prouty Eric A — Director
Shares
5,000
Price
$4.84
Total Value
$24.20K
Shares Held After
153,852
% of Holdings
3.2%
Caledonia Mining Corp Plc (CMCL)
Ndlovu July — Director
Shares
15,000
Price
$24.81
Total Value
$372.15K
Shares Held After
229,089
% of Holdings
6.5%
MP Materials Corp. / DE (MP)
Litinsky James H. — Director
Shares
83,229
Price
$64.93
Total Value
$5.40M
Shares Held After
12,205,965
% of Holdings
0.7%
MP Materials Corp. / DE (MP)
Litinsky James H. — Director
Shares
93,959
Price
$65.31
Total Value
$6.14M
Shares Held After
12,289,194
% of Holdings
0.8%
ECOLAB INC. (ECL)
MacLennan David — Director
Shares
1,000
Price
$250.65
Total Value
$250.65K
Shares Held After
25,230
% of Holdings
4.0%
Koppers Holdings Inc. (KOP)
BALL M LEROY — Director
Shares
2,659
Price
$42.55
Total Value
$113.14K
Shares Held After
444,096
% of Holdings
0.6%
BOISE CASCADE Co (BCC)
Twedt Jill — SVP General Counsel & Corp Sec
Shares
6,070
Price
$66.45
Total Value
$403.35K
Shares Held After
26,545
% of Holdings
18.6%
Alto Ingredients, Inc. (ALTO)
NATHAN GILBERT E — Director
Shares
5,000
Price
$4.45
Total Value
$22.25K
Shares Held After
774,741
% of Holdings
0.6%
MERCER INTERNATIONAL INC. (MERC)
KELLOGG PETER R — 10% Owner
Shares
57,000
Price
$0.88
Total Value
$50.01K
Shares Held After
1,057,000
% of Holdings
5.4%
MERCER INTERNATIONAL INC. (MERC)
KELLOGG PETER R — 10% Owner
Shares
43,000
Price
$0.84
Total Value
$36.17K
Shares Held After
253,000
% of Holdings
17.0%
MP Materials Corp. / DE (MP)
Litinsky James H. — Director
Shares
102,968
Price
$65.67
Total Value
$6.76M
Shares Held After
12,383,153
% of Holdings
0.8%
MP Materials Corp. / DE (MP)
Litinsky James H. — Director
Shares
19,844
Price
$67.12
Total Value
$1.33M
Shares Held After
12,486,121
% of Holdings
0.2%
Intrepid Potash, Inc. (IPI)
Lancaster Lori A — Director
Shares
4,800
Price
$45.24
Total Value
$217.15K
Shares Held After
10,540
% of Holdings
31.3%
Alto Ingredients, Inc. (ALTO)
NATHAN GILBERT E — Director
Shares
20,000
Price
$4.61
Total Value
$92.20K
Shares Held After
769,741
% of Holdings
2.6%
STEEL DYNAMICS INC (STLD)
Poinsatte Richard A — Senior Vice President
Shares
2,300
Price
$234.11
Total Value
$538.45K
Shares Held After
28,618
% of Holdings
7.4%
Aura Minerals Inc. (AUGO)
Sousa Mauad Bruno — Director
Shares
38,384
Price
$83.95
Total Value
$3.22M
Shares Held After
576,973
% of Holdings
6.2%
Aura Minerals Inc. (AUGO)
Barbosa Rodrigo Cardoso — President and CEO
Shares
55,000
Price
$82.63
Total Value
$4.54M
Shares Held After
739,745
% of Holdings
6.9%
CONSTELLIUM SE (CSTM)
Piquier Ludovic — SVP Manuf Excellence & CTO
Shares
1,000
Price
$33.57
Total Value
$33.57K
Shares Held After
241,713
% of Holdings
0.4%
Perimeter Solutions, Inc. (PRM)
Sable Kyle — Chief Financial Officer
Shares
30,000
Price
$31.75
Total Value
$952.50K
Shares Held After
0
% of Holdings
100.0%
SASOL LTD (SSL)
Pillay Sarushen Dhanapalan — EVP, Business Building
Shares
2,182
Price
$13.14
Total Value
$28.68K
Shares Held After
16,313
% of Holdings
11.8%
Aura Minerals Inc. (AUGO)
Barbosa Rodrigo Cardoso — President and CEO
Shares
60,000
Price
$81.43
Total Value
$4.89M
Shares Held After
794,745
% of Holdings
7.0%
MINERALS TECHNOLOGIES INC (MTX)
JORDAN TIMOTHY — Vice President
Shares
6,000
Price
$80.27
Total Value
$481.65K
Shares Held After
1,279
% of Holdings
82.4%
Perimeter Solutions, Inc. (PRM)
Emery Jeffrey — President - Global Fire Safety
Shares
2,108
Price
$34.05
Total Value
$71.78K
Shares Held After
0
% of Holdings
100.0%
Perimeter Solutions, Inc. (PRM)
Emery Jeffrey — President - Global Fire Safety
Shares
97,855
Price
$32.90
Total Value
$3.22M
Shares Held After
2,108
% of Holdings
97.9%
Perimeter Solutions, Inc. (PRM)
Sable Kyle — Chief Financial Officer
Shares
20,460
Price
$32.89
Total Value
$672.93K
Shares Held After
0
% of Holdings
100.0%
CONSTELLIUM SE (CSTM)
Brun Nicolas — SVP PA, Comm & Sust
Shares
26,661
Price
$33.85
Total Value
$902.47K
Shares Held After
104,891
% of Holdings
20.3%
ROYAL GOLD INC (RGLD)
Shefman Randy — SVP & General Counsel
Shares
1,000
Price
$243.74
Total Value
$243.74K
Shares Held After
9,082
% of Holdings
9.9%
GERDAU S.A. (GGB)
Da Cunha Gustavo Werneck — CEO and Board Member
Shares
432,854
Price
$4.87
Total Value
$2.11M
Shares Held After
0
% of Holdings
100.0%
Perimeter Solutions, Inc. (PRM)
Emery Jeffrey — President - Global Fire Safety
Shares
46,500
Price
$32.00
Total Value
$1.49M
Shares Held After
0
% of Holdings
100.0%
Showing 1–50 of 84 transactions (page 1 of 2)