| Insiders | Shares | % | Avg Price | Total $ | |
|---|---|---|---|---|---|
| Buys | 2 | +22,650 | 5% | $21.06 | +$476,920 |
| Sells | 7 | -434,798 | 95% | $27.87 | -$12,119,840 |
| Net | -5 | -412,148 | -90% | -$11,642,920 |
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Report Date |
|---|---|---|---|---|---|
| Constantine S. Macricostas | Director | $14,748,640 | -$595,900 | -3.9% | 03 Jan 2026 |
| George Macricostas | Ceo | $14,568,384 | 03 Jan 2026 | ||
| Kang Jyh Lee | Director | $14,178,433 | -$5,991,020 | -30% | 16 Jan 2026 |
| Peter S. Kirlin | Chief Executive Officer | $13,056,259 | 28 Feb 2022 | ||
| Richelle E. Burr | EVP, CAO, GC & Secretary | $7,714,299 | 20 May 2024 | ||
| Eric Rivera | President, CFO | $6,194,273 | 09 Feb 2026 | ||
| Christopher J. Progler | EVP, Chief Technology Officer | $5,924,845 | -$912,380 | -13% | 12 Dec 2025 |
| Wang Hsueh-Chun | SVP/COO IC & US/EU Mnstrm Ops | $5,269,920 | 03 Jan 2026 | ||
| John P. Jordan | Evp, Cfo | $3,886,556 | 23 Feb 2024 | ||
| Han Kyung Park | SVP & GM of FPD Ops | $2,634,195 | -$1,323,175 | -33% | 13 Jan 2026 |
| Daniel Jl Liao | Director | $2,201,024 | 20 Jan 2026 | ||
| Mitchell G. Tyson | Director | $1,521,036 | -$781,650 | -34% | 03 Jan 2026 |
| Rui Zhang | VP, CAO & Corporate Controller | $1,163,870 | 09 Feb 2026 | ||
| Adam M. Lewis | Director | $994,240 | 03 Jan 2026 | ||
| Mary Paladino | Director | $836,320 | -$1,420,988 | -63% | 03 Jan 2026 |
| Todd Anthony Alesio | Svp, Cao | $625,597 | 09 Feb 2026 | ||
| David A. Garcia | Director | $367,040 | +$50,350 | +16% | 03 Jan 2026 |
| Walter M. Fiederowicz | Former Director | $88,970 | -$668,157 | -88% | 15 Apr 2025 |
| Michelle Almeida | Director | $39,488 | 20 Jan 2026 |
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Rui Zhang | PLAB | COMMON STOCK | Award | 4.6% | 1,467 | 33,387 | 09 Feb 2026 | Direct | ||
| Todd Anthony Alesio | PLAB | COMMON STOCK | Award | 5.79% | 983 | 17,946 | 09 Feb 2026 | Direct | ||
| Eric Rivera | PLAB | COMMON STOCK | Award | 14.6% | 22,641 | 177,690 | 09 Feb 2026 | Direct | ||
| Daniel Jl Liao | PLAB | COMMON STOCK | Award | 1.83% | 1,234 | 68,782 | 20 Jan 2026 | Direct | ||
| Michelle Almeida | PLAB | COMMON STOCK | Award | 1,234 | 1,234 | 20 Jan 2026 | Direct | |||
| Kang Jyh Lee | PLAB | COMMON STOCK | Sale | -2.38% | $345,100 | $34.51 | -10,000 | 410,850 | 16 Jan 2026 | Direct |
| Han Kyung Park | PLAB | COMMON STOCK | Sale | -7.65% | $218,062 | $34.89 | -6,250 | 75,500 | 16 Jan 2026 | Direct |
| Kang Jyh Lee | PLAB | COMMON STOCK | Sale | -2.35% | $341,300 | $34.13 | -10,000 | 415,850 | 15 Jan 2026 | Direct |
| Han Kyung Park | PLAB | COMMON STOCK | Sale | -8.4% | $252,750 | $33.70 | -7,500 | 81,750 | 13 Jan 2026 | Direct |
| Kang Jyh Lee | PLAB | COMMON STOCK | Sale | -2.29% | $344,200 | $34.42 | -10,000 | 425,850 | 13 Jan 2026 | Direct |
| Kang Jyh Lee | PLAB | COMMON STOCK | Sale | -2.24% | $330,500 | $33.05 | -10,000 | 435,850 | 12 Jan 2026 | Direct |
| Kang Jyh Lee | PLAB | COMMON STOCK | Sale | -2.19% | $348,300 | $34.83 | -10,000 | 445,850 | 07 Jan 2026 | Direct |
| Kang Jyh Lee | PLAB | COMMON STOCK | Sale | -2.15% | $354,100 | $35.41 | -10,000 | 455,850 | 06 Jan 2026 | Direct |
| Mary Paladino | PLAB | COMMON STOCK | Sale | -32.1% | $394,988 | $35.11 | -11,250 | 23,820 | 06 Jan 2026 | Direct |
| Mitchell G. Tyson | PLAB | COMMON STOCK | Sale | -10.4% | $176,050 | $35.21 | -5,000 | 43,199 | 06 Jan 2026 | Direct |
| Kang Jyh Lee | PLAB | COMMON STOCK | Sale | -2.1% | $339,000 | $33.90 | -10,000 | 465,850 | 05 Jan 2026 | Direct |
| Mary Paladino | PLAB | COMMON STOCK | Award | 3.76% | 1,272 | 35,070 | 03 Jan 2026 | Direct | ||
| Mitchell G. Tyson | PLAB | COMMON STOCK | Award | 2.71% | 1,272 | 48,199 | 03 Jan 2026 | Direct | ||
| Adam M. Lewis | PLAB | COMMON STOCK | Award | 4.27% | 1,272 | 31,070 | 03 Jan 2026 | Direct | ||
| David A. Garcia | PLAB | COMMON STOCK | Award | 12.5% | 1,272 | 11,470 | 03 Jan 2026 | Direct | ||
| Constantine S. Macricostas | PLAB | COMMON STOCK | Award | 0.28% | 1,272 | 460,895 | 03 Jan 2026 | Direct | ||
| Han Kyung Park | PLAB | COMMON STOCK | Award | 26.8% | 23,945 | 113,195 | 03 Jan 2026 | Direct | ||
| Wang Hsueh-Chun | PLAB | COMMON STOCK | Award | 20.9% | 28,435 | 164,685 | 03 Jan 2026 | Direct | ||
| Eric Rivera | PLAB | COMMON STOCK | Award | 35.2% | 40,407 | 155,049 | 03 Jan 2026 | Direct | ||
| George Macricostas | PLAB | COMMON STOCK | Award | 63.9% | 177,432 | 455,262 | 03 Jan 2026 | Direct | ||
| Kang Jyh Lee | PLAB | COMMON STOCK | Sale | -1.81% | $293,475 | $33.54 | -8,750 | 475,850 | 02 Jan 2026 | Direct |
| Eric Rivera | PLAB | COMMON STOCK | Tax liability | -5.02% | -6,055 | 114,642 | 02 Jan 2026 | Direct | ||
| Kang Jyh Lee | PLAB | COMMON STOCK | Sale | -1.77% | $300,212 | $34.31 | -8,750 | 484,600 | 22 Dec 2025 | Direct |
| Kang Jyh Lee | PLAB | COMMON STOCK | Sale | -3.9% | $729,000 | $36.45 | -20,000 | 493,350 | 15 Dec 2025 | Direct |
| Kang Jyh Lee | PLAB | COMMON STOCK | Options Exercise | 4.05% | 20,000 | 513,350 | 15 Dec 2025 | Direct | ||
| Kang Jyh Lee | PLAB | Stock Option | Options Exercise | 20,000 | 0 | 15 Dec 2025 | Direct | |||
| Christopher J. Progler | PLAB | Common Stock | Sale | -13.1% | $894,500 | $35.78 | -25,000 | 165,591 | 12 Dec 2025 | Direct |
| Mitchell G. Tyson | PLAB | COMMON STOCK | Sale | -9.63% | $180,850 | $36.17 | -5,000 | 46,927 | 12 Dec 2025 | Direct |
| Han Kyung Park | PLAB | COMMON STOCK | Sale | -13.4% | $522,362 | $37.99 | -13,750 | 89,250 | 12 Dec 2025 | Direct |
| Kang Jyh Lee | PLAB | COMMON STOCK | Sale | -3.9% | $770,600 | $38.53 | -20,000 | 493,350 | 12 Dec 2025 | Direct |
| Christopher J. Progler | PLAB | Common Stock | Sale | -4.99% | $225,150 | $22.52 | -10,000 | 190,591 | 01 Dec 2025 | Direct |
| Eric Rivera | PLAB | COMMON STOCK | Award | 0.74% | 882 | 120,697 | 14 Oct 2025 | Direct | ||
| Mitchell G. Tyson | PLAB | COMMON STOCK | Sale | -8.78% | $125,200 | $25.04 | -5,000 | 51,927 | 07 Oct 2025 | Direct |
| Kang Jyh Lee | PLAB | COMMON STOCK | Sale | -1.91% | $253,300 | $25.33 | -10,000 | 513,350 | 06 Oct 2025 | Direct |
| Mary Paladino | PLAB | COMMON STOCK | Sale | -55.8% | $1,026,000 | $24.00 | -42,750 | 33,798 | 02 Oct 2025 | Direct |
| Eric Rivera | PLAB | COMMON STOCK | Tax liability | -1.61% | -1,959 | 119,815 | 01 Oct 2025 | Direct | ||
| Han Kyung Park | PLAB | COMMON STOCK | Sale | -12.7% | $330,000 | $22.00 | -15,000 | 103,000 | 03 Sep 2025 | Direct |
| Christopher J. Progler | PLAB | Common Stock | Sale | -4.75% | $219,300 | $21.93 | -10,000 | 200,591 | 02 Sep 2025 | Direct |
| Kang Jyh Lee | PLAB | COMMON STOCK | Sale | -1.64% | $203,000 | $23.20 | -8,750 | 523,350 | 29 Aug 2025 | Direct |
| Christopher J. Progler | PLAB | Common Stock | Sale | 4.99% | $210,700 | $21.07 | 10,000 | 210,591 | 28 Jul 2025 | Direct |
| Mitchell G. Tyson | PLAB | COMMON STOCK | Sale | -20.8% | $299,550 | $19.97 | -15,000 | 56,927 | 10 Jul 2025 | Direct |
| George Macricostas | PLAB | COMMON STOCK | Award | 65.4% | 109,830 | 277,830 | 09 Jul 2025 | Direct | ||
| Constantine S. Macricostas | PLAB | COMMON STOCK | Sale | -100% | $595,900 | $20.20 | -29,500 | 0 | 02 Jul 2025 | By Macricostas Family Foundation Inc. |
| David A. Garcia | PLAB | COMMON STOCK | Purchase | 35.1% | $50,350 | $19.00 | 2,650 | 10,198 | 27 Jun 2025 | Direct |
| Kang Jyh Lee | PLAB | COMMON STOCK | Sale | -0.91% | $89,590 | $18.35 | -4,882 | 532,100 | 20 Jun 2025 | Direct |