Through the 90-day period concluding February 07, 2026, Photronics's top three insider stakeholders include Director Constantine S Macricostas (460.89K shares), Ceo George Macricostas (455.26K shares), Chief Executive Officer Peter S Kirlin (438.57K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Constantine S Macricostas | 460,895 | 07 Jan, 2026 | |
| George Macricostas | Ceo | 455,262 | 07 Jan, 2026 |
| Peter S Kirlin | Chief Executive Officer | 438,571 | 02 Mar, 2022 |
| Kang Jyh Lee | 410,850 | 20 Jan, 2026 | |
| Richelle E Burr | Evp And Cao And Gc & Secretary | 269,354 | 22 May, 2024 |
| Christopher J Progler | Evp And Chief Technology Officer | 165,591 | 16 Dec, 2025 |
| Hsueh-Chun Wang | Svp/Coo Ic & Us/Eu Mnstrm Ops | 164,685 | 07 Jan, 2026 |
| Eric Rivera | Evp And Cfo | 155,049 | 07 Jan, 2026 |
| John P Jordan | Evp And Cfo | 138,756 | 27 Feb, 2024 |
| Han Kyung Park | Svp & Gm Of Fpd Ops | 75,500 | 20 Jan, 2026 |
| Daniel Jl Liao | 68,782 | 22 Jan, 2026 | |
| Mitchell G Tyson | 43,199 | 07 Jan, 2026 | |
| Adam M Lewis | 31,070 | 07 Jan, 2026 | |
| Mary Paladino | 23,820 | 07 Jan, 2026 | |
| David A. Garcia | 11,470 | 07 Jan, 2026 | |
| Walter M Fiederowicz | 5,000 | 17 Apr, 2025 | |
| Michelle Almeida | 1,234 | 22 Jan, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 20 Jan, 2026 | Daniel Jl Liao | COMMON STOCK | A | 1,234 | $0.00 | 68,782 | D | A |
| 20 Jan, 2026 | Michelle Almeida | COMMON STOCK | A | 1,234 | $0.00 | 1,234 | D | A |
| 16 Jan, 2026 | Kang Jyh Lee | COMMON STOCK | D | 10,000 | $34.51 | 410,850 | D | S |
| 16 Jan, 2026 | Han Kyung Park | COMMON STOCK | D | 6,250 | $34.89 | 75,500 | D | S |
| 15 Jan, 2026 | Kang Jyh Lee | COMMON STOCK | D | 10,000 | $34.13 | 415,850 | D | S |
| 13 Jan, 2026 | Kang Jyh Lee | COMMON STOCK | D | 10,000 | $34.42 | 425,850 | D | S |
| 13 Jan, 2026 | Han Kyung Park | COMMON STOCK | D | 7,500 | $33.70 | 81,750 | D | S |
| 12 Jan, 2026 | Kang Jyh Lee | COMMON STOCK | D | 10,000 | $33.05 | 435,850 | D | S |
| 07 Jan, 2026 | Kang Jyh Lee | COMMON STOCK | D | 10,000 | $34.83 | 445,850 | D | S |
| 06 Jan, 2026 | Mitchell G Tyson | COMMON STOCK | D | 5,000 | $35.21 | 43,199 | D | S |
| 06 Jan, 2026 | Kang Jyh Lee | COMMON STOCK | D | 10,000 | $35.41 | 455,850 | D | S |
| 06 Jan, 2026 | Mary Paladino | COMMON STOCK | D | 11,250 | $35.11 | 23,820 | D | S |
| 05 Jan, 2026 | Kang Jyh Lee | COMMON STOCK | D | 10,000 | $33.90 | 465,850 | D | S |
| 03 Jan, 2026 | Constantine S Macricostas | COMMON STOCK | A | 1,272 | $0.00 | 460,895 | D | A |
| 03 Jan, 2026 | George Macricostas | COMMON STOCK | A | 177,432 | $0.00 | 455,262 | D | A |
| 03 Jan, 2026 | Mitchell G Tyson | COMMON STOCK | A | 1,272 | $0.00 | 48,199 | D | A |
| 03 Jan, 2026 | Mary Paladino | COMMON STOCK | A | 1,272 | $0.00 | 35,070 | D | A |
| 03 Jan, 2026 | Adam M Lewis | COMMON STOCK | A | 1,272 | $0.00 | 31,070 | D | A |
| 03 Jan, 2026 | Eric Rivera | COMMON STOCK | A | 40,407 | $0.00 | 155,049 | D | A |
| 03 Jan, 2026 | Han Kyung Park | COMMON STOCK | A | 23,945 | $0.00 | 113,195 | D | A |