Ziemba Peter M

Officer · WT

As of 2026-09-16, Ziemba Peter M has 15 Form 4 transactions on record across 1 company — 8 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: $19.7MIndirect: $0$19.7Mas of 2026-09-16
  • Direct $19.7M
  • Indirect $0
WTdirect885,686 sh$19.7M

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

WT · 15 trades
2026-05-19: Sale, 100,000 sh ($1.9M)2026-02-23: Award / grant, 3,046 sh ($0)2026-01-27: Option exercise, 61,005 sh ($0)2026-01-27: Option exercise, 61,005 sh ($0)2026-01-27: Withheld for tax, 31,563 sh ($0)2026-01-25: Award / grant, 25,853 sh ($0)2026-01-25: Withheld for tax, 27,259 sh ($0)2026-01-25: Award / grant, 8,617 sh ($0)2025-01-27: Option exercise, 35,154 sh ($0)2025-01-27: Withheld for tax, 15,102 sh ($0)2025-01-27: Option exercise, 35,154 sh ($0)2025-01-25: Withheld for tax, 28,132 sh ($0)2025-01-25: Award / grant, 14,114 sh ($0)2025-01-25: Award / grant, 42,344 sh ($0)2024-12-13: Gift, 25,000 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-05-19WTSale100,000 @ $19.31$1.9M−10.1% of holding885,686Form 4
14 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-02-23WTAward / grant3,0463,046Form 4
2026-01-27WTOption exercise61,0051,017,249Form 4
2026-01-27WTOption exercise61,0050Form 4
2026-01-27WTWithheld for tax31,563985,686Form 4
2026-01-25WTAward / grant25,853983,503Form 4
2026-01-25WTWithheld for tax27,259956,244Form 4
2026-01-25WTAward / grant8,6178,617Form 4
2025-01-27WTOption exercise35,154972,752Form 4
2025-01-27WTWithheld for tax15,102957,650Form 4
2025-01-27WTOption exercise35,1540Form 4
2025-01-25WTWithheld for tax28,132937,598Form 4
2025-01-25WTAward / grant14,11414,114Form 4
2025-01-25WTAward / grant42,344965,730Form 4
2024-12-13WTGift25,000923,386Form 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.