MACRICOSTAS CONSTANTINE S

Director · PLAB

As of 2026-09-16, MACRICOSTAS CONSTANTINE S has 8 Form 4 transactions on record across 1 company — 5 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: $11.5MIndirect: $0$11.5Mas of 2026-09-16
  • Direct $11.5M
  • Indirect $0
PLABdirect414,617 sh$11.5M

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

PLAB · 8 trades
2026-04-14: Sale, 50,000 sh ($2.3M)2026-04-13: Award / grant, 3,722 sh ($0)2026-04-02: Gift, 37,000 sh ($0)2026-04-01: Gift, 13,000 sh ($0)2026-01-03: Award / grant, 1,272 sh ($0)2025-07-02: Sale, 29,500 sh ($596K)2025-02-20: Gift, 1,000 sh ($0)2025-02-13: Award / grant, 3,108 sh ($70K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-04-14PLABSale50,000 @ $45.35$2.3M−100.0% of holding0Form 4
2025-07-02PLABSale29,500 @ $20.20$596K−100.0% of holding0Form 4
6 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-04-13PLABAward / grant3,722414,617Form 4
2026-04-02PLABGift37,000410,895Form 4
2026-04-01PLABGift13,000447,895Form 4
2026-01-03PLABAward / grant1,272460,895Form 4
2025-02-20PLABGift1,000489,123Form 4
2025-02-13PLABAward / grant3,108485,683Form 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.