Richard Parrillo - 14 May 2026 Form 4 Insider Report for HUDSON TECHNOLOGIES INC /NY (HDSN)

Reporting relationship: Director
Issuer ticker: HDSN
Reported as of: 14 May 2026
Net transaction value: +$24,814
SEC form: 4
Accepted by SEC: 15 May 2026, 13:21:07 UTC
Prior SEC filing: 21 May 2026
Next SEC filing: 22 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Loan Nguyen Mansy

Key filing fact

Richard Parrillo filed Form 4 for HUDSON TECHNOLOGIES INC /NY (HDSN) on 15 May 2026.

Key facts

This page summarizes Richard Parrillo's Form 4 filing for HUDSON TECHNOLOGIES INC /NY (HDSN).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 15 May 2026, 13:21.

Change

Previous filing in this sequence was filed on 21 May 2026.
Current net transaction value: +$24,814.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001620726 Primary reporting owner

Parrillo Richard

Relationship: Director
Address: C/O HUDSON TECHNOLOGIES, INC., 300 TICE BOULEVARD, SUITE 290, WOODCLIFF LAKE
Signature: /s/ Loan Nguyen Mansy
Signature date: 15 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

HDSN transaction

Common Stock

Purchase

Transaction value: $17,856
Shares: +3,600
Change %: +17%
Price: $4.96
Shares after: 24,195
Date: 14 May 2026
Ownership: Direct

HDSN transaction

Common Stock

Purchase

Transaction value: $6,958
Shares: +1,400
Change %: +5.8%
Price: $4.97
Shares after: 25,595
Date: 14 May 2026
Ownership: Direct

^* marks a reported price that did not pass the local price check.

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