Richard Parrillo

CIK: 0001620726

Transaction Breakdown

Open Market Buys (P)3 (60.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (40.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

HDSN

HUDSON TECHNOLOGIES INC /NY

Director

Discretionary Trading P&L

Holdings

Transaction History (5 total)

HDSN
HUDSON TECHNOLOGIES INC /NY
Jun 17, 2026
Award(A)
Stock Options
Direct
31.8K shares-
HDSN
HUDSON TECHNOLOGIES INC /NY
May 14, 2026
Purchase(P)
Direct
3.6K shares at avg. $4.96$18K
HDSN
HUDSON TECHNOLOGIES INC /NY
May 14, 2026
Purchase(P)
Direct
1.4K shares at avg. $4.97$7K
HDSN
HUDSON TECHNOLOGIES INC /NY
May 13, 2026
Purchase(P)
Direct
10K shares at avg. $4.83$48K
HDSN
HUDSON TECHNOLOGIES INC /NY
Jun 18, 2025
Award(A)
Direct
3.2K shares-

		Type	Shares	Price		Ownership
Jun 17, 2026	HDSN HUDSON TECHNOLOGIES INC /NY	Award(A) Stock Options	31,780	-	-	Direct
May 14, 2026	HDSN HUDSON TECHNOLOGIES INC /NY	Purchase(P)	3,600	$4.96	$17,856	Direct
May 14, 2026	HDSN HUDSON TECHNOLOGIES INC /NY	Purchase(P)	1,400	$4.97	$6,958	Direct
May 13, 2026	HDSN HUDSON TECHNOLOGIES INC /NY	Purchase(P)	10,000	$4.83	$48,257	Direct
Jun 18, 2025	HDSN HUDSON TECHNOLOGIES INC /NY	Award(A)	3,182	-	-	Direct

1-5 of 5 transactions

About Parrillo Richard

Parrillo Richard (SEC CIK 0001620726) files insider reports with the SEC as Director of HUDSON TECHNOLOGIES INC /NY (HDSN).

Signal8 holds 4 ownership filings by Parrillo Richard, all Form 4s, filed between Jun 20, 2025 and Jun 22, 2026. Those filings report 5 transactions, from Jun 18, 2025 to Jun 17, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Parrillo Richard's filings is in WOODCLIFF LAKE, NJ.

Recent filings by Parrillo Richard

Jun 17, 2026: Grant or award of HDSN derivative securities (Form 4, code A).
May 14, 2026: Open-market purchases of HDSN shares (2 lines, Form 4, code P).
May 13, 2026: Open-market purchase of HDSN shares (Form 4, code P).
Jun 18, 2025: Grant or award of HDSN shares (Form 4, code A).

Other insiders filing for HUDSON TECHNOLOGIES INC /NY (HDSN)

Hartree Partners, LP, 10% Owner
Sheriff Alan, Director
Prouty Eric A, Director
Mansy Loan Nguyen, Director
Bulgarino Nicole E, Director
Feeler Jeffrey R, Director

How to read Form 4 transaction codes