HDSN
Hudson Technolog (HDSN)
NASDAQ
$5.76$0.00 (0.00%)
Price as of Jun 23, 2026 7:56 PM EDT
  • $242.3M
    Market Cap
  • -27.82%
    1-Year Change
  • Specialty Chemicals
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
HARTREE PARTNERS, LP
9.03%
3.8M
0 (0.00%)
Mar 31, 2026
WESTERLY CAPITAL MANAGEMENT, LLC
7.55%
3.2M
+625,000 (+19.69%)
Mar 31, 2026
BLACKROCK INC.
7.54%
3.2M
+91,271 (+2.88%)
Jun 30, 2024
BLACKROCK FUNDING, INC. /DE
7.52%
3.2M
-161,562 (-5.11%)
Dec 31, 2024
BLACKROCK, INC.
6.80%
2.9M
-51,330 (-1.79%)
Mar 31, 2026
VANGUARD GROUP INC
5.56%
2.3M
-34,471 (-1.47%)
Dec 31, 2025
DIMENSIONAL FUND ADVISORS LP
5.11%
2.1M
+105,160 (+4.90%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions551.4M (79.19%)
  • Mutual Funds138.8M (19.93%)
  • Insiders6.2M (0.89%)
  • Other0 (0.00%)

Insider Transactions

  • 0.89% (6.2M)
    Current InsiderOwnership (%, shares)
  • 1
    Number of InsiderBuying (last 12 months)
  • $1.1M
    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
Sheriff Alan
Award
Jun 17, 2026
$0.00
15,360
$0.00
15,360
Mansy Loan Nguyen
Award
Jun 17, 2026
$0.00
21,186
$0.00
21,186
Sheriff Alan
Award
Jun 17, 2026
$0.00
3,219
$0.00
12,484
Parrillo Richard
Award
Jun 17, 2026
$0.00
31,780
$0.00
31,780
Mansy Loan Nguyen
Award
Jun 17, 2026
$0.00
8,881
$0.00
34,476
Proudy Eric A
Award
Jun 17, 2026
$0.00
21,186
$0.00
21,186
Proudy Eric A
Award
Jun 17, 2026
$0.00
4,440
$0.00
158,292
Houghton Kathleen
Sr. VP-Sales and Marketing
Exempt
Jan 08, 2026
$0.00
120,000
$0.00
0
Houghton Kathleen
Sr. VP-Sales and Marketing
Exempt
Jan 08, 2026
$0.00
47,619
$0.00
0
Houghton Kathleen
Sr. VP-Sales and Marketing
Exempt
Jan 08, 2026
$0.00
50,888
$0.00
0
Houghton Kathleen
Sr. VP-Sales and Marketing
Exempt
Jan 08, 2026
$90,000.00
120,000
$0.75
161,163
Houghton Kathleen
Sr. VP-Sales and Marketing
In Kind
Jan 08, 2026
$318,598.30
44,873
$7.10
116,290
Houghton Kathleen
Sr. VP-Sales and Marketing
Exempt
Jan 08, 2026
$76,190.40
47,619
$1.60
163,909
Houghton Kathleen
Sr. VP-Sales and Marketing
In Kind
Jan 08, 2026
$154,758.70
21,797
$7.10
142,112
Houghton Kathleen
Sr. VP-Sales and Marketing
Exempt
Jan 08, 2026
$193,883.28
50,888
$3.81
193,000
Houghton Kathleen
Sr. VP-Sales and Marketing
In Kind
Jan 08, 2026
$244,112.20
34,382
$7.10
158,618
Gaglione Kenneth
President and CEO
Award
Nov 24, 2025
$0.00
216,309
$0.00
216,309
ABBATECOLA VINCENT P
Buy
Nov 17, 2025
$23,747.50
3,500
$6.79
169,748
Proudy Eric A
Exempt
Jul 31, 2025
$0.00
4,744
$0.00
0
Proudy Eric A
Exempt
Jul 31, 2025
$34,868.40
4,744
$7.35
152,565
Proudy Eric A
In Kind
Jul 31, 2025
$34,865.07
3,713
$9.39
148,852
ABBATECOLA VINCENT P
Award
Jun 18, 2025
$0.00
13,698
$0.00
13,698
Parrillo Richard
Award
Jun 18, 2025
$0.00
13,698
$0.00
13,698
Bulgarino Nicole E
Award
Jun 18, 2025
$0.00
13,698
$0.00
13,698
Parrillo Richard
Award
Jun 18, 2025
$0.00
3,182
$0.00
185,746
Proudy Eric A
Award
Jun 18, 2025
$0.00
13,698
$0.00
13,698
Bulgarino Nicole E
Award
Jun 18, 2025
$0.00
3,182
$0.00
10,498
ABBATECOLA VINCENT P
Award
Jun 18, 2025
$0.00
3,182
$0.00
165,023
Proudy Eric A
Award
Jun 18, 2025
$0.00
3,182
$0.00
147,821
COLEMAN BRIAN F
President, CEO
Award
Mar 13, 2025
$0.00
140,813
$0.00
140,813