• $75.9M
    Market Cap
  • 11.36%
    1-Year Change
  • Specialty Chemicals
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
NEEDHAM INVESTMENT MANAGEMENT LLC
8.06%
765,000
+51,743 (+6.76%)
Mar 31, 2026
VANGUARD GROUP INC
4.50%
426,751
+1,900 (+0.45%)
Dec 31, 2025
BLACKROCK FUNDING, INC. /DE
4.12%
390,871
+7,271 (+1.86%)
Dec 31, 2024
RUTABAGA CAPITAL MANAGEMENT LLC/MA
4.08%
387,416
+65,817 (+16.99%)
Sep 30, 2022
N/A
4.04%
383,816
+383,816 (+100.00%)
Mar 31, 2026
BLACKROCK INC.
3.84%
364,706
+335,153 (+91.90%)
Jun 30, 2024
DIMENSIONAL FUND ADVISORS LP
3.51%
333,368
-4,779 (-1.43%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions59.6M (73.13%)
  • Mutual Funds20.9M (25.68%)
  • Insiders973,177 (1.19%)
  • Other0 (0.00%)

Insider Transactions

  • 1.19% (973,177)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 0
    Number of InsiderSelling (last 12 months)
  • $0.00
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Pinho Cristina Lucia Duarte
Award
Sep 01, 2025
$0.00
6,739
$0.00
10,510
LYNCH G PATRICK
President and CEO
Award
Sep 01, 2025
$0.00
44,051
$0.00
44,051
Kemp Sarah E.
Award
Sep 01, 2025
$0.00
6,739
$0.00
16,270
Lee Sunggyu
Award
Sep 01, 2025
$0.00
16,287
$0.00
16,287
Narayan Ramani
Award
Sep 01, 2025
$0.00
16,287
$0.00
16,287
Calderon Nancy E.
Award
Sep 01, 2025
$0.00
6,739
$0.00
14,741
NIGON RICHARD
Award
Sep 01, 2025
$0.00
8,086
$0.00
47,148
von Falkenhausen Konstantin
Award
Sep 01, 2025
$0.00
16,287
$0.00
16,287
Calderon Nancy E.
Small
Aug 13, 2025
$20.44
3
$7.72
8,000
Calderon Nancy E.
Small
Aug 13, 2025
$21.88
3
$7.72
8,002
Calderon Nancy E.
Small
May 14, 2025
$20.41
3
$7.35
7,994
Calderon Nancy E.
Small
May 14, 2025
$21.85
3
$7.35
7,997
von Falkenhausen Konstantin
Buy
May 06, 2025
$7,953.00
1,100
$7.23
18,219
Calderon Nancy E.
Buy
Apr 25, 2025
$7,452.00
1,000
$7.45
7,954
Calderon Nancy E.
Small
Feb 12, 2025
$72.44
6
$11.26
7,978
Calderon Nancy E.
Small
Feb 12, 2025
$152.01
13
$11.26
7,991
Calderon Nancy E.
Small
Nov 13, 2024
$72.06
5
$13.29
7,960
Calderon Nancy E.
Small
Nov 13, 2024
$151.20
11
$13.29
7,971
WOLSFELD MATTHEW C
CFO and Corporate Secretary
Award
Sep 01, 2024
$0.00
33,156
$0.00
33,156
Kemp Sarah E.
Award
Sep 01, 2024
$0.00
3,771
$0.00
9,531
Calderon Nancy E.
Award
Sep 01, 2024
$0.00
3,771
$0.00
6,954
Calderon Nancy E.
Small
Aug 14, 2024
$71.63
6
$11.99
3,172
Calderon Nancy E.
Small
Aug 14, 2024
$150.38
11
$13.34
3,183
NIGON RICHARD
Exempt
Aug 01, 2024
$0.00
12,000
$0.00
0
NIGON RICHARD
Exempt
Aug 01, 2024
$120,600.00
12,000
$10.05
45,600
NIGON RICHARD
In Kind
Aug 01, 2024
$100,488.15
7,665
$13.11
37,935