PDFS Insider Transactions
1,957 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.
PDFS insiders transaction timeline
PurchaseSale
| Insider profile | Role | Date | Transaction | Shares | Price |
|---|
| Zhang Shuo | Director | 2026-08-12 | Sale | 1,501 | $51.47 |
|---|
| GUSTAFSON MICHAEL B | Director | 2025-05-13 | Purchase | 7,500.0 | $19.45 |
|---|
| KIBARIAN JOHN KACHIG | PRESIDENT AND CEO | 2025-02-25 | Purchase | 15,644.0 | $22.11 |
|---|
| GUSTAFSON MICHAEL B | Director | 2025-02-24 | Purchase | 4,000.0 | $23.06 |
|---|
| KIBARIAN JOHN KACHIG | PRESIDENT AND CEO | 2025-02-24 | Purchase | 34,356.0 | $22.8 |
|---|
| Strojwas Andrzej | CTO | 2024-12-17 | Sale | 6,008.0 | $30.36 |
|---|
| Strojwas Andrzej | CTO | 2024-12-17 | Sale | 245.0 | $31.17 |
|---|
| Strojwas Andrzej | CTO | 2024-12-16 | Sale | 5,030.0 | $30.85 |
|---|
| Erba Nancy | Director | 2024-12-11 | Sale | 2,000.0 | $30.81 |
|---|
| Zhang Shuo | Director | 2024-06-03 | Sale | 5,500.0 | $34.66 |
|---|
| Raza Adnan | EVP, FINANCE AND CFO | 2024-05-17 | Sale | 9,647.0 | $33.95 |
|---|
| Raza Adnan | EVP, FINANCE AND CFO | 2024-05-16 | Sale | 16,504.0 | $33.82 |
|---|
| Raza Adnan | EVP, FINANCE AND CFO | 2024-05-15 | Sale | 1,343.0 | $34.52 |
|---|
| Li Ye Jane | Director | 2024-02-26 | Sale | 9,653.0 | $33.27 |
|---|
| Li Ye Jane | Director | 2024-02-23 | Sale | 1,531.0 | $34.0 |
|---|
| BRONSON JOSEPH R | Director | 2024-02-21 | Sale | 15,000.0 | $34.63 |
|---|
| GUSTAFSON MICHAEL B | Director | 2023-12-13 | Sale | 4,883.0 | $30.86 |
|---|
| GUSTAFSON MICHAEL B | Director | 2023-12-12 | Sale | 867.0 | $31.29 |
|---|
| Erba Nancy | Director | 2023-11-29 | Sale | 1,800.0 | $30.57 |
|---|
| Zhang Shuo | Director | 2023-08-18 | Sale | 3,047.0 | $33.75 |
|---|
| Strojwas Andrzej | CTO | 2023-03-08 | Sale | 2,520.0 | $38.45 |
|---|
| Raza Adnan | EVP, FINANCE AND CFO | 2023-03-03 | Sale | 15,547.0 | $37.64 |
|---|
| GUSTAFSON MICHAEL B | Director | 2023-02-28 | Sale | 13,316.0 | $37.26 |
|---|
| BRONSON JOSEPH R | Director | 2023-02-22 | Sale | 12,500.0 | $36.47 |
|---|
| Strojwas Andrzej | CTO | 2022-11-30 | Sale | 19,926.0 | $31.0 |
|---|
| Raza Adnan | EVP, FINANCE AND CFO | 2022-11-29 | Sale | 9,224.0 | $30.13 |
|---|
| Raza Adnan | EVP, FINANCE AND CFO | 2022-11-25 | Sale | 3,000.0 | $30.5 |
|---|
| GUSTAFSON MICHAEL B | Director | 2022-11-16 | Sale | 2,500.0 | $30.05 |
|---|
| Zhang Shuo | Director | 2022-11-16 | Sale | 2,000.0 | $29.84 |
|---|
| GUSTAFSON MICHAEL B | Director | 2022-11-15 | Sale | 2,500.0 | $29.79 |
|---|
| Raza Adnan | EVP, FINANCE AND CFO | 2022-06-16 | Sale | 14,387.0 | $19.9 |
|---|
| Raza Adnan | EVP, FINANCE AND CFO | 2022-06-15 | Sale | 10,000.0 | $20.62 |
|---|
| Raza Adnan | EVP, FINANCE AND CFO | 2022-06-14 | Sale | 15,000.0 | $20.27 |
|---|
| Raza Adnan | EVP, FINANCE AND CFO | 2022-06-13 | Sale | 3,990.0 | $21.02 |
|---|
| Raza Adnan | EVP, FINANCE AND CFO | 2022-06-09 | Sale | 2,166.0 | $23.47 |
|---|
| Zhang Shuo | Director | 2022-03-15 | Sale | 11,017.0 | $25.5 |
|---|
| MICHAELS KIMON | EVP OF PRODUCTS AND SOLUTIONS | 2022-02-23 | Sale | 8,850.0 | — |
|---|
| GUSTAFSON MICHAEL B | Director | 2021-11-12 | Sale | 3,000.0 | $33.0 |
|---|
| Yin Gerald Zheyao | Director | 2020-11-20 | Sale | 8,678.0 | $21.18 |
|---|
| GUSTAFSON MICHAEL B | Director | 2019-11-06 | Sale | 2,214.0 | $15.75 |
|---|
| GUSTAFSON MICHAEL B | Director | 2019-11-05 | Sale | 386.0 | $15.97 |
|---|
| GUSTAFSON MICHAEL B | Director | 2019-06-13 | Sale | 1,000.0 | $12.95 |
|---|
| LANZA LUCIO | Director | 2017-08-18 | Sale | 60,000.0 | $15.0 |
|---|
| LANZA LUCIO | Director | 2017-06-09 | Sale | 45,000.0 | $17.57 |
|---|
| LANZA LUCIO | Director | 2017-05-24 | Sale | 30,000.0 | $16.5 |
|---|
| LANZA LUCIO | Director | 2017-05-18 | Sale | 15,000.0 | $16.61 |
|---|
| HARTGRING CORNELIS | Vice President, CSS | 2017-02-17 | Sale | 981.0 | — |
|---|
| HARTGRING CORNELIS | Vice President, CSS | 2017-02-16 | Sale | 17,952.0 | — |
|---|
| Kim KwangH | VP of Business Development | 2016-12-06 | Sale | 6,000.0 | $21.91 |
|---|
| Kim KwangH | VP of Business Development | 2016-12-01 | Sale | 6,000.0 | $23.0 |
|---|
| LANZA LUCIO | Director | 2016-11-08 | Sale | 14,000.0 | $19.89 |
|---|
| WALKER GREGORY C | CFO, VP Finance | 2016-11-08 | Sale | 6,229.0 | $19.85 |
|---|
| WALKER GREGORY C | CFO, VP Finance | 2016-09-12 | Sale | 2,665.0 | $15.9 |
|---|
| WALKER GREGORY C | CFO, VP Finance | 2016-08-09 | Sale | 2,382.0 | $17.0 |
|---|
| HARTGRING CORNELIS | Vice President, CSS | 2016-08-03 | Sale | 1,600.0 | $16.67 |
|---|
| HARTGRING CORNELIS | Vice President, CSS | 2016-08-02 | Sale | 14,031.0 | $16.66 |
|---|
| HEINRICHS R STEPHEN | Director | 2016-05-27 | Purchase | 6,118.0 | $14.24 |
|---|
| HEINRICHS R STEPHEN | Director | 2015-06-12 | Sale | 29,093.0 | $16.49 |
|---|
| HEINRICHS R STEPHEN | Director | 2015-06-11 | Sale | 5,907.0 | $16.4 |
|---|
| Kim KwangH | VP of Business Development | 2015-03-05 | Sale | 17.98 | $14,900.0 |
|---|
| Kim KwangH | VP of Business Development | 2015-02-27 | Sale | 100.0 | $18.68 |
|---|
| WALKER GREGORY C | CFO, VP Finance | 2015-02-23 | Sale | 117,401.0 | $17.52 |
|---|
| WALKER GREGORY C | CFO, VP Finance | 2015-02-20 | Sale | 9,006.0 | $17.75 |
|---|
| WALKER GREGORY C | CFO, VP Finance | 2015-02-19 | Sale | 17.75 | $12,343.0 |
|---|
| WALKER GREGORY C | CFO, VP Finance | 2015-02-19 | Sale | 2,916.0 | $17.89 |
|---|
| WALKER GREGORY C | CFO, VP Finance | 2015-02-19 | Sale | 200.0 | $17.9 |
|---|
| WALKER GREGORY C | CFO, VP Finance | 2015-02-19 | Sale | 100.0 | $17.92 |
|---|
| WALKER GREGORY C | CFO, VP Finance | 2015-02-19 | Sale | 1,612.0 | $17.91 |
|---|
| HARTGRING CORNELIS | Vice President, CSS | 2015-02-12 | Sale | 20,854.0 | $18.19 |
|---|
| HARTGRING CORNELIS | Vice President, CSS | 2015-02-11 | Sale | 34,400.0 | $17.57 |
|---|
| HARTGRING CORNELIS | Vice President, CSS | 2015-02-10 | Sale | 65,600.0 | $17.48 |
|---|
| LANZA LUCIO | Director | 2014-05-13 | Sale | 32,000.0 | $19.0 |
|---|
| Yu Albert YC | Director | 2014-02-20 | Sale | 7,501.0 | $22.25 |
|---|
| WALKER GREGORY C | CFO, VP Finance | 2014-02-11 | Sale | 2,319.0 | $23.11 |
|---|
| Yu Albert YC | Director | 2013-11-29 | Sale | 468.0 | $23.35 |
|---|
| WALKER GREGORY C | CFO, VP Finance | 2013-11-08 | Sale | 4,292.0 | $22.8 |
|---|
| WALKER GREGORY C | CFO, VP Finance | 2013-11-08 | Sale | 4,292.0 | $22.8 |
|---|
| Yu Albert YC | Director | 2013-11-04 | Sale | 2,813.0 | $22.95 |
|---|
| Yu Albert YC | Director | 2013-11-04 | Sale | 5,158.0 | $23.0 |
|---|
| HARTGRING CORNELIS | Vice President, CSS | 2013-09-11 | Sale | 10,000.0 | $21.8 |
|---|
| HARTGRING CORNELIS | Vice President, CSS | 2013-09-11 | Sale | 8,541.0 | $21.9 |
|---|
| HARTGRING CORNELIS | Vice President, CSS | 2013-09-10 | Sale | 2,779.0 | $21.78 |
|---|
| HARTGRING CORNELIS | Vice President, CSS | 2013-08-05 | Sale | 2,221.0 | $21.78 |
|---|
| HARTGRING CORNELIS | Vice President, CSS | 2013-08-02 | Sale | 1,776.0 | $21.0 |
|---|
| Yu Albert YC | Director | 2013-08-02 | Sale | 2,445.0 | $21.18 |
|---|
| Yu Albert YC | Director | 2013-08-02 | Sale | 2,812.0 | $20.94 |
|---|
| Yu Albert YC | Director | 2013-08-01 | Sale | 3,490.0 | $20.56 |
|---|
| HARTGRING CORNELIS | Vice President, CSS | 2013-08-01 | Sale | 1,876.0 | $20.89 |
|---|
| WALKER GREGORY C | CFO, VP Finance | 2013-08-01 | Sale | 1,181.0 | $20.83 |
|---|
| HARTGRING CORNELIS | Vice President, CSS | 2013-07-31 | Sale | 2,075.0 | $21.0 |
|---|
| HARTGRING CORNELIS | Vice President, CSS | 2013-07-30 | Sale | 6,149.0 | $21.0 |
|---|
| HARTGRING CORNELIS | Vice President, CSS | 2013-07-30 | Sale | 8,286.0 | $20.96 |
|---|
| HARTGRING CORNELIS | Vice President, CSS | 2013-07-29 | Sale | 593.0 | $20.97 |
|---|
| WALKER GREGORY C | CFO, VP Finance | 2013-06-07 | Sale | 1,086.0 | $18.28 |
|---|
| Yu Albert YC | Director | 2013-05-30 | Sale | 2,313.0 | $18.5 |
|---|
| Yu Albert YC | Director | 2013-05-28 | Sale | 469.0 | $18.3 |
|---|
| WALKER GREGORY C | CFO, VP Finance | 2013-04-30 | Sale | 2,688.0 | $17.05 |
|---|
| WALKER GREGORY C | CFO, VP Finance | 2013-04-30 | Sale | 2,688.0 | $17.05 |
|---|
| HARTGRING CORNELIS | Vice President, CSS | 2013-03-14 | Sale | 4,631.0 | $16.3 |
|---|
| HARTGRING CORNELIS | Vice President, CSS | 2013-03-14 | Sale | 4,631.0 | $16.3 |
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