Director adds 5,100 Hudson Technologies (HDSN) shares in open-market buy

Rhea-AI Filing Summary

HUDSON TECHNOLOGIES INC director Jeffrey R. Feeler reported an open-market purchase of company stock. On May 14, 2026, he bought 5,100 shares of common stock at $4.92 per share. After this transaction, Feeler directly owns 9,165 common shares of Hudson Technologies.

Insider Trade Summary

Net Buyer: 5,100 shares ($25,092)

Net Buy 1 txn

Insider Feeler Jeffrey R

Role null

Bought 5,100 shs ($25K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	5,100	$4.92	$25K

Holdings After Transaction: Common Stock — 9,165 shares (Direct, null)

Footnotes (1)

Key Figures

Shares purchased: 5,100 shares Purchase price: $4.92 per share Shares owned after: 9,165 shares

3 metrics

Shares purchased 5,100 shares Open-market buy on May 14, 2026

Purchase price $4.92 per share Price paid for common stock

Shares owned after 9,165 shares Direct holdings after transaction

Key Terms

open-market purchase, Common Stock, Form 4

3 terms

open-market purchase financial

"transaction_action: "open-market purchase" for the common stock trade"

An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.

Common Stock financial

"security_title is listed as "Common Stock" in the transaction"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Form 4 regulatory

"INSIDER FILING DATA (Form 4) describes the reported transaction"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Feeler Jeffrey R

(Last) (First) (Middle)

C/O HUDSON TECHNOLOGIES, INC.

300 TICE BOULEVARD, SUITE 290

(Street)

WOODCLIFF LAKE NEW JERSEY 07677

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
HUDSON TECHNOLOGIES INC /NY [ HDSN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/14/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	05/14/2026		P		5,100	A	$4.92	9,165	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ Jeffrey R. Feeler	05/15/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Hudson Technologies (HDSN) report for Jeffrey R. Feeler?

Hudson Technologies reported that director Jeffrey R. Feeler made an open-market purchase of the company’s common stock. The Form 4 filing shows he bought 5,100 shares, increasing his direct ownership stake in Hudson Technologies’ common stock.

How many Hudson Technologies (HDSN) shares did Jeffrey R. Feeler buy and at what price?

Jeffrey R. Feeler bought 5,100 shares of Hudson Technologies common stock. The Form 4 states the open-market purchase price was $4.92 per share, reflecting the amount he paid for each newly acquired share in this transaction.

What is Jeffrey R. Feeler’s Hudson Technologies (HDSN) share ownership after this Form 4 transaction?

After the reported purchase, Jeffrey R. Feeler directly owns 9,165 shares of Hudson Technologies common stock. This post-transaction figure in the Form 4 represents his direct holdings following the 5,100-share open-market buy.

Was the Hudson Technologies (HDSN) Form 4 transaction a derivative or common stock trade?

The Form 4 transaction involved non-derivative securities, specifically Hudson Technologies common stock. It was recorded as an open-market purchase of 5,100 common shares, with no options, warrants, or other derivative securities reported in this filing.

What transaction code is used for Jeffrey R. Feeler’s Hudson Technologies (HDSN) trade?

The filing uses transaction code “P” for Jeffrey R. Feeler’s trade. Code P indicates a purchase in the open market or a private transaction, confirming this Form 4 reflects an open-market buy of Hudson Technologies common shares.