ZWECKER MARK A

Director · PESI

As of 2026-09-16, ZWECKER MARK A has 9 Form 4 transactions on record across 1 company — 4 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $182KIndirect: $0$182Kas of 2026-09-16
  • Direct $182K
  • Indirect $0
PESIdirect10,000 sh$182K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

PESI · 9 trades
2026-07-22: Award / grant, 10,000 sh ($0)2026-07-01: Award / grant, 1,167 sh ($13K)2026-04-01: Award / grant, 1,520 sh ($12K)2026-01-02: Award / grant, 1,325 sh ($13K)2025-08-28: Option exercise, 2,400 sh ($10K)2025-08-28: Option exercise, 2,400 sh ($0)2025-07-24: Award / grant, 10,000 sh ($0)2025-04-01: Award / grant, 2,235 sh ($12K)2025-01-02: Award / grant, 1,468 sh ($12K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
9 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-07-22PESIAward / grant10,00010,000Form 4
2026-07-01PESIAward / grant1,167247,606Form 4
2026-04-01PESIAward / grant1,520244,039Form 4
2026-01-02PESIAward / grant1,325242,519Form 4
2025-08-28PESIOption exercise2,400239,585Form 4
2025-08-28PESIOption exercise2,4000Form 4
2025-07-24PESIAward / grant10,00010,000Form 4
2025-04-01PESIAward / grant2,235235,599Form 4
2025-01-02PESIAward / grant1,468233,364Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.