Photronics's top three insider shareholders as of April 25, 2026 are Constantine S Macricostas (Executive Chairman, 467.57K shares), Peter S Kirlin (Chief Executive Officer, 438.57K shares), Constantine S Macricostas (Director, 414.62K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Constantine S Macricostas | Executive Chairman | 467,575 | 0 | 05 Jan, 2023 |
| Peter S Kirlin | Chief Executive Officer | 438,571 | 0 | 02 Mar, 2022 |
| Constantine S Macricostas | - | 414,617 | 0 | 15 Apr, 2026 |
| Peter S Kirlin | Chief Executive Officer | 399,624 | 0 | 10 Dec, 2021 |
| Kang Jyh Lee | Chief Executive Officer | 394,600 | 0 | 05 Jan, 2023 |
| Kang Jyh Lee | Chief Executive Officer | 355,850 | 0 | 20 Apr, 2026 |
| George Macricostas | Ceo | 334,068 | 0 | 10 Apr, 2026 |
| Richelle E Burr | Evp, Cao General Counsel | 271,092 | 0 | 05 Jan, 2024 |
| Richelle E Burr | Evp, Cao, Gc Secretary | 269,354 | 0 | 22 May, 2024 |
| Christopher J Progler | Evp, Chief Technology Officer | 165,591 | 0 | 16 Dec, 2025 |
| Christopher J Progler | Evp, Chief Technology Officer | 165,591 | 0 | 16 Dec, 2025 |
| Christopher J Progler | Evp, Chief Technology Officer | 165,591 | 0 | 16 Dec, 2025 |
| Christopher J Progler | Evp, Chief Technology Officer | 165,591 | 0 | 16 Dec, 2025 |
| Christopher J Progler | Evp, Chief Technology Officer | 165,591 | 0 | 16 Dec, 2025 |
| Christopher J Progler | Evp, Chief Technology Officer | 165,591 | 0 | 16 Dec, 2025 |
| John P Jordan | Evp, Cfo | 138,756 | 0 | 27 Feb, 2024 |
| Eric Rivera | President, Cfo | 136,173 | 0 | 15 Apr, 2026 |
| John P Jordan | Evp, Chief Financial Officer | 132,146 | 0 | 28 Dec, 2021 |
| Christopher J Progler | Evp, Chief Technology Officer | 129,818 | 0 | 28 Dec, 2021 |
| Christopher J Progler | Evp, Chief Technology Officer | 129,818 | 0 | 28 Dec, 2021 |
| Christopher J Progler | Evp, Chief Technology Officer | 129,818 | 0 | 28 Dec, 2021 |
| Christopher J Progler | Evp, Chief Technology Officer | 129,818 | 0 | 28 Dec, 2021 |
| Christopher J Progler | Evp, Chief Technology Officer | 129,818 | 0 | 28 Dec, 2021 |
| Christopher J Progler | Evp, Chief Technology Officer | 129,818 | 0 | 28 Dec, 2021 |
| Hsueh-Chun Wang | Svp/Coo Ic Us/Eu Mnstrm Ops | 113,560 | 0 | 16 Apr, 2026 |
| Eric Rivera | Evp, Cfo | 101,774 | 0 | 06 Jan, 2025 |
| George Macricostas | - | 83,000 | 0 | 05 Jan, 2023 |
| Han Kyung Park | Svp Gm Of Fpd Ops | 75,500 | 0 | 20 Jan, 2026 |
| Han Kyung Park | Svp Gm Of Fpd Ops | 75,500 | 0 | 20 Jan, 2026 |
| Han Kyung Park | Svp Gm Of Fpd Ops | 75,500 | 0 | 20 Jan, 2026 |
| Han Kyung Park | Svp Gm Of Fpd Ops | 75,500 | 0 | 20 Jan, 2026 |
| Han Kyung Park | Svp Gm Of Fpd Ops | 75,500 | 0 | 20 Jan, 2026 |
| Han Kyung Park | Svp Gm Of Fpd Ops | 75,500 | 0 | 20 Jan, 2026 |
| Daniel Jl Liao | - | 72,504 | 0 | 15 Apr, 2026 |
| Mitchell G Tyson | - | 71,379 | 0 | 05 Jan, 2023 |
| Mitchell G Tyson | - | 71,379 | 0 | 05 Jan, 2023 |
| Mitchell G Tyson | - | 71,379 | 0 | 05 Jan, 2023 |
| Mitchell G Tyson | - | 71,379 | 0 | 05 Jan, 2023 |
| Mitchell G Tyson | - | 71,379 | 0 | 05 Jan, 2023 |
| Mitchell G Tyson | - | 71,379 | 0 | 05 Jan, 2023 |
| Mary Paladino | - | 54,000 | 0 | 05 Jan, 2023 |
| Walter M Fiederowicz | - | 47,000 | 0 | 05 Jan, 2023 |
| Daniel Jl Liao | - | 45,000 | 0 | 05 Jan, 2023 |
| Mitchell G Tyson | - | 36,921 | 0 | 15 Apr, 2026 |
| Mitchell G Tyson | - | 36,921 | 0 | 15 Apr, 2026 |
| Mitchell G Tyson | - | 36,921 | 0 | 15 Apr, 2026 |
| Adam M Lewis | - | 34,792 | 0 | 15 Apr, 2026 |
| Rui Zhang | Vp, Cao Corporate Controller | 33,387 | 0 | 11 Feb, 2026 |
| Rui Zhang | Vp, Cao Corporate Controller | 33,387 | 0 | 11 Feb, 2026 |
| Mitchell G Tyson | - | 33,199 | 0 | 03 Apr, 2026 |
| Mitchell G Tyson | - | 33,199 | 0 | 03 Apr, 2026 |
| Mitchell G Tyson | - | 33,199 | 0 | 03 Apr, 2026 |
| Rui Zhang | Vp, Cao Corporate Controller | 31,635 | 0 | 10 Apr, 2026 |
| Rui Zhang | Vp, Cao Corporate Controller | 31,635 | 0 | 10 Apr, 2026 |
| Rui Zhang | Vp, Cao Corporate Controller | 31,635 | 0 | 10 Apr, 2026 |
| Rui Zhang | Vp, Cao Corporate Controller | 27,079 | 0 | 21 Apr, 2026 |
| Adam M Lewis | - | 27,000 | 0 | 05 Jan, 2023 |
| Todd Anthony Alesio | Svp, Cao | 17,946 | 0 | 11 Feb, 2026 |
| David A. Garcia | - | 15,192 | 0 | 15 Apr, 2026 |
| Walter M Fiederowicz | - | 5,000 | 0 | 17 Apr, 2025 |
| Michelle Almeida | - | 4,956 | 0 | 15 Apr, 2026 |
| Mary Paladino | - | 1,272 | 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 | Mary Paladino | COMMON STOCK | D | 22,548 | $47.77 | 1,272 | D | D |
| 16 Apr, 2026 | Kang Jyh Lee | COMMON STOCK | D | 10,000 | $46.05 | 365,850 | D | S |
| 16 Apr, 2026 | Kang Jyh Lee | COMMON STOCK | D | 10,000 | $45.80 | 355,850 | D | S |
| 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 | Constantine S Macricostas | COMMON STOCK | A | 3,722 | $0.00 | 414,617 | 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 | Kang Jyh Lee | COMMON STOCK | A | 5,000 | $8.60 | 390,850 | D | M |
| 13 Apr, 2026 | Adam M Lewis | COMMON STOCK | A | 3,722 | $0.00 | 34,792 | 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 | Daniel Jl Liao | COMMON STOCK | A | 3,722 | $0.00 | 72,504 | 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 | Eric Rivera | COMMON STOCK | D | 1,000 | $44.77 | 136,173 | D | S |
| 13 Apr, 2026 | Kang Jyh Lee | COMMON STOCK | D | 5,000 | $45.00 | 385,850 | D | S |
| 13 Apr, 2026 | Eric Rivera | PHOTRONICS STOCK OPTIONS | D | 1,000 | $0.00 | 0 | D | M |
| 13 Apr, 2026 | Kang Jyh Lee | PHOTRONICS STOCK OPTIONS | D | 5,000 | $0.00 | 0 | D | M |