Key facts
- This page summarizes Mark A. Zwecker's Form 4 filing for PERMA FIX ENVIRONMENTAL SERVICES INC (PESI).
- 1 reported transaction and 1 derivative row are listed below.
- Accepted by SEC: 23 Jul 2026, 07:00.
Mark A. Zwecker - 22 Jul 2026 Form 4 Insider Report for PERMA FIX ENVIRONMENTAL SERVICES INC (PESI)
- Reporting relationship
- Director
- Issuer ticker
- PESI
- Reported as of
- 22 Jul 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 23 Jul 2026, 07:00:20 UTC
- Prior SEC filing
- 02 Jul 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Mark Zwecker
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Mark A. Zwecker filed Form 4 for PERMA FIX ENVIRONMENTAL SERVICES INC (PESI) on 23 Jul 2026.
Change
- Previous filing in this sequence was filed on 02 Jul 2026.
- Current net transaction value: $0.
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 0001256439
Primary reporting owner
ZWECKER MARK A
- Relationship
- Director
- Address
- 8302 DUNWOODY PLACE, SUITE 250, ATLANTA
- Signature
- /s/ Mark Zwecker
- Signature date
- 23 Jul 2026
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
PESI
transaction
Derivative
Stock Option (Right to Buy)
Award
- Transaction value
- Shares
- +10,000
- Change %
- Price
- $0.000000*
- Shares after
- 10,000
- Date
- 22 Jul 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 10,000
- Exercise price
- $16.64
- Footnotes
- F1
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 1 footnote
Footnote F1
Non-Qualified Stock Option granted 07/22/2026 under the Company's 2003 Outside Directors Stock Plan. The option vests in four equal annual installmens of 25% each, beginning on the first anniversary of the grant date and on each successive anniversary thereafter.