Key facts
- This page summarizes Brian J. Bertaux's Form 4 filing for HUDSON TECHNOLOGIES INC /NY (HDSN).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 21 May 2026, 09:02.
Brian J. Bertaux - 19 May 2026 Form 4 Insider Report for HUDSON TECHNOLOGIES INC /NY (HDSN)
- Reporting relationship
- Chief Financial Officer
- Issuer ticker
- HDSN
- Reported as of
- 19 May 2026
- Net transaction value
- +$9,740
- SEC form
- 4
- Accepted by SEC
- 21 May 2026, 09:02:21 UTC
- Prior SEC filing
- 17 Mar 2025
- Source filing
- View source filing
- Reporting owner signature
- /s/ Brian J. Bertaux
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Brian J. Bertaux filed Form 4 for HUDSON TECHNOLOGIES INC /NY (HDSN) on 21 May 2026.
Change
- Previous filing in this sequence was filed on 17 Mar 2025.
- Current net transaction value: +$9,740.
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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0002032778
Primary reporting owner
Bertaux Brian J.
- Relationship
- Chief Financial Officer
- Address
- C/O HUDSON TECHNOLOGIES, INC., 300 TICE BOULEVARD, SUITE 290, WOODCLIFF LAKE
- Signature
- /s/ Brian J. Bertaux
- Signature date
- 21 May 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
HDSN
transaction
Common Stock
Purchase
- Transaction value
- $9,740
- Shares
- +2,000
- Change %
- Price
- $4.87
- Shares after
- 2,000
- Date
- 19 May 2026
- Ownership
- Direct
* marks a reported price that did not pass the local price check.