Insider · CIK 0001256439
Mark A Zwecker
Files at PESI (PERMA FIX ENVIRONMENTAL SERVICES INC). First filing -, latest -.
Mark A Zwecker files SEC Form 4 as director at PESI (PERMA FIX ENVIRONMENTAL SERVICES INC). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.
A track record needs three past buys with six months of prices behind them; Mark A Zwecker has 0, so none is measured yet.
Signals
This insider’s open-market buys and sells, scored.
Transactions
Every row this insider has filed, 9 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Oct 1, 2026 | PESI PERMA FIX ENVIRONMENTAL SERVICES INC | AGrant or award Common Stock | +1,038 | $11.74 | $12k | 248,644 | 11 d ago |
| Apr 1, 2026 | PESI PERMA FIX ENVIRONMENTAL SERVICES INC | AGrant or award Common Stock | +1,520 | $8.02 | $12k | 244,039 | Apr 2, 2026 |
| Jan 2, 2026 | PESI PERMA FIX ENVIRONMENTAL SERVICES INC | AGrant or award Common Stock | +1,325 | $9.44 | $13k | 242,519 | Jan 5, 2026 |
| Oct 1, 2025 | PESI PERMA FIX ENVIRONMENTAL SERVICES INC | AGrant or award Common Stock | +1,609 | $7.58 | $12k | 241,194 | Oct 2, 2025 |
| Aug 28, 2025 | PESI PERMA FIX ENVIRONMENTAL SERVICES INC | MOption exercise Common Stock | +2,400 | $4.19 | $10k | 239,585 | Sep 2, 2025 |
| Aug 28, 2025 | PESI PERMA FIX ENVIRONMENTAL SERVICES INC | MOption exercise Stock Option (Right to Buy)derivative | -2,400 | $0.00 | $0 | 0 | Sep 2, 2025 |
| Jul 24, 2025 | PESI PERMA FIX ENVIRONMENTAL SERVICES INC | AGrant or award Stock Option (Right to Buy)derivative | +10,000 | $0.00 | $0 | 10,000 | Jul 25, 2025 |
| Jul 1, 2025 | PESI PERMA FIX ENVIRONMENTAL SERVICES INC | AGrant or award Common Stock | +1,586 | $7.89 | $13k | 237,185 | Jul 2, 2025 |
| Apr 1, 2025 | PESI PERMA FIX ENVIRONMENTAL SERVICES INC | AGrant or award Common Stock | +2,235 | $5.45 | $12k | 235,599 | Apr 2, 2025 |
Questions about Mark A Zwecker
Answered from the filings on this page, as of the latest one.
Is Mark A Zwecker buying or selling?
Mark A Zwecker has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did Mark A Zwecker's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Mark A Zwecker has 0.
Where does Mark A Zwecker file Form 4?
Mark A Zwecker has filed Form 4 at PESI (PERMA FIX ENVIRONMENTAL SERVICES INC). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.