As of June 06, 2026, Photronics's top three insider holders are Constantine S Macricostas (Executive Chairman, 467.57K shares), Peter S Kirlin (Chief Executive Officer, 438.57K shares), Constantine S Macricostas (Director, 410.89K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Constantine S Macricostas | Executive Chairman | 467,575 | 0 | 05 Jan, 2023 |
| George Macricostas | Ceo | 334,068 | 0 | 10 Apr, 2026 |
| Walter M Fiederowicz | - | 47,000 | 0 | 05 Jan, 2023 |
| Peter S Kirlin | Chief Executive Officer | 438,571 | 0 | 02 Mar, 2022 |
| John P Jordan | Evp, Cfo | 138,756 | 0 | 27 Feb, 2024 |
| Mitchell G Tyson | - | 71,379 | 0 | 05 Jan, 2023 |
| Christopher J Progler | Evp, Chief Technology Officer | 165,591 | 0 | 16 Dec, 2025 |
| Richelle E Burr | Evp, Cao General Counsel | 271,092 | 0 | 05 Jan, 2024 |
| Kang Jyh Lee | Chief Executive Officer | 394,600 | 0 | 05 Jan, 2023 |
| Daniel Jl Liao | - | 68,782 | 0 | 22 Jan, 2026 |
| Mary Paladino | - | 1,272 | 0 | 21 Apr, 2026 |
| Adam M Lewis | - | 34,792 | 0 | 15 Apr, 2026 |
| Eric Rivera | President, Cfo | 136,173 | 0 | 15 Apr, 2026 |
| Han Kyung Park | Svp Gm Of Fpd Ops | 75,500 | 0 | 20 Jan, 2026 |
| Hsueh-Chun Wang | Svp/Coo Ic Us/Eu Mnstrm Ops | 113,560 | 0 | 16 Apr, 2026 |
| David A. Garcia | - | 15,192 | 0 | 15 Apr, 2026 |
| Michelle Almeida | - | 4,956 | 0 | 15 Apr, 2026 |
| Todd Anthony Alesio | Svp, Cao | 17,946 | 0 | 11 Feb, 2026 |
| Rui Zhang | Vp, Cao Corporate Controller | 27,079 | 0 | 21 Apr, 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 |
|---|---|---|---|---|---|---|---|---|
| 17 Apr, 2026 | Rui Zhang | COMMON STOCK | D | 4,556 | $46.70 | 27,079 | D | S |
| 17 Apr, 2026 | Rui Zhang | COMMON STOCK | D | 4,556 | $46.70 | 27,079 | D | S |
| 17 Apr, 2026 | Mary Paladino | COMMON STOCK | D | 22,548 | $47.77 | 1,272 | D | D |
| 15 Apr, 2026 | Kang Jyh Lee | COMMON STOCK | D | 10,000 | $45.10 | 375,850 | D | S |
| 14 Apr, 2026 | Hsueh-Chun Wang | COMMON STOCK | D | 19,250 | $45.30 | 113,560 | D | S |
| 13 Apr, 2026 | Adam M Lewis | COMMON STOCK | A | 3,722 | $0.00 | 34,792 | D | A |
| 13 Apr, 2026 | Eric Rivera | COMMON STOCK | A | 1,000 | $9.78 | 137,173 | D | M |
| 13 Apr, 2026 | Michelle Almeida | COMMON STOCK | A | 3,722 | $0.00 | 4,956 | D | A |
| 13 Apr, 2026 | Mitchell G Tyson | COMMON STOCK | A | 3,722 | $0.00 | 36,921 | D | A |
| 13 Apr, 2026 | Mitchell G Tyson | COMMON STOCK | A | 3,722 | $0.00 | 36,921 | D | A |
| 13 Apr, 2026 | Mitchell G Tyson | COMMON STOCK | A | 3,722 | $0.00 | 36,921 | D | A |
| 13 Apr, 2026 | Mitchell G Tyson | COMMON STOCK | A | 3,722 | $0.00 | 36,921 | D | A |
| 13 Apr, 2026 | David A. Garcia | COMMON STOCK | A | 3,722 | $0.00 | 15,192 | D | A |
| 13 Apr, 2026 | Eric Rivera | COMMON STOCK | D | 1,000 | $44.77 | 136,173 | D | S |
| 13 Apr, 2026 | Eric Rivera | PHOTRONICS STOCK OPTIONS | D | 1,000 | $0.00 | 0 | D | M |
| 14 Apr, 2026 | Constantine S Macricostas | COMMON STOCK | D | 50,000 | $45.35 | 0 | I | S |
| 01 Apr, 2026 | Constantine S Macricostas | COMMON STOCK | D | 13,000 | $0.00 | 447,895 | D | G |
| 02 Apr, 2026 | Constantine S Macricostas | COMMON STOCK | D | 37,000 | $0.00 | 410,895 | D | G |
| 09 Apr, 2026 | Kang Jyh Lee | COMMON STOCK | A | 5,000 | $8.60 | 390,850 | D | M |
| 09 Apr, 2026 | Eric Rivera | COMMON STOCK | D | 882 | $44.00 | 176,808 | D | S |