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$ Value

$0

Shares

37,000

Price

$0

Filed

Apr 14

Insider

Name

MACRICOSTAS CONSTANTINE S

Title

CIK

0000900574

Roles

Director

Transaction Details

Transaction Date

2026-04-02

Code

G

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

410,895

Footnotes

Gift to Macricostas Family Foundation. | Gift to Macricostas Family Foundation.

Filing Info

Accession No.

0001140361-26-014644

Form Type

4

Issuer CIK

0000810136

MACRICOSTAS CONSTANTINE S's History

Date Ticker Type Value
2026-04-14 PLAB $2.3M
2026-04-13 PLAB A $0
2026-04-02 PLAB G $0
2026-04-01 PLAB G $0
2025-07-02 PLAB $596K

Other Insiders at PLAB (90d)

Insider Bought Sold Last
MACRICOSTAS CONSTANTINE S $2.3M 2026-04-14
MACRICOSTAS GEORGE
CEO
$5.2M 2026-04-08
TYSON MITCHELL G $423K 2026-04-13
Lee Kang Jyh $3.4M 2026-04-16
Liao Daniel JL 2026-04-13
Paladino Mary 2026-04-17
LEWIS ADAM M 2026-04-13
Rivera Eric
President, CFO
$1.9M 2026-04-13
Wang Hsueh-Chun
SVP/COO IC & US/EU Mnstrm Ops
$2.2M 2026-04-14
Garcia David A. 2026-04-13
Almeida Michelle 2026-04-13
ZHANG RUI
VP, CAO & Corporate Controller
$289K 2026-04-17