Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
2022-06-14 Sale | 2022-06-16 6:24 pm | PDF SOLUTIONS INC | PDFS | Raza Adnan CFO | 39,387 | $20.22 | $796,551 | 86,250 (Direct) | View |
2022-06-09 Sale | 2022-06-13 6:04 pm | PDF SOLUTIONS INC | PDFS | Raza Adnan CFO | 6,156 | $21.88 | $134,711 | 125,637 (Direct) | View |
2022-03-15 Sale | 2022-03-17 1:29 pm | PDF SOLUTIONS INC | PDFS | Zhang Shuo Director | 11,017 | $25.5 | $280,934 | 10,362 (Direct) | View |
2022-02-23 Sale | 2022-02-25 5:54 pm | PDF SOLUTIONS INC | PDFS | MICHAELS KIMON VP | 8,850 | $0 | $0 | 1,592,164 (Indirect Direct) | View |
2021-11-12 Sale | 2021-11-15 7:36 pm | PDF SOLUTIONS INC | PDFS | GUSTAFSON MICHAEL B Director | 3,000 | $33 | $98,992 | 27,692 (Direct) | View |
2020-11-20 Sale | 2020-11-23 7:17 pm | PDF SOLUTIONS INC | PDFS | Yin Gerald Zheyao Director | 8,678 | $21.18 | $183,800 | 11,023 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
2022-05-01 Tax Withholding | 2022-05-04 2:07 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | Strojwas Andrzej CTO | 481 | $23.25 | 104,751 (Direct) | View |
2022-02-23 Exercise | 2022-02-25 5:54 pm | N/A 2022-05-21 | PDF SOLUTIONS INC | PDFS | MICHAELS KIMON VP | 15,000 | $8.79 | 1,592,164 (Indirect) | View |
2021-01-01(A) Tax Withholding | 2022-02-25 5:47 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | MICHAELS KIMON VP | 100 | $21.6 | 105,169 (Indirect) | View |
2022-02-01 Tax Withholding | 2022-02-03 3:59 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | MICHAELS KIMON VP | 25 | $29.73 | 1,585,114 (Indirect) | View |
2022-02-01 Tax Withholding | 2022-02-03 3:56 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | Strojwas Andrzej CTO | 410 | $29.73 | 105,232 (Direct) | View |
2022-02-01 Tax Withholding | 2022-02-03 3:51 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | Raza Adnan CFO | 5,179 | $29.73 | 131,793 (Direct) | View |
2022-01-01 Tax Withholding | 2022-01-04 9:04 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | MICHAELS KIMON VP | 459 | $31.79 | 1,585,139 (Indirect) | View |
2022-01-01 Tax Withholding | 2022-01-04 9:02 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | Raza Adnan CFO | 1,537 | $31.79 | 135,679 (Direct) | View |
2022-01-01 Tax Withholding | 2022-01-04 9:00 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | Strojwas Andrzej CTO | 820 | $31.79 | 104,506 (Direct) | View |
2021-12-09 Option Award | 2021-12-13 4:59 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | Strojwas Andrzej CTO | 30,000 | $0 | 105,326 (Direct) | View |
2021-12-01 Ownership | 2021-12-02 5:47 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | Strojwas Andrzej CTO | 0 | $0 | 75,326 (Direct) | View |
2021-12-01 Option Award | 2021-12-02 5:39 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | Li Ye Jane Director | 12,750 | $0 | 12,750 (Direct) | View |
2021-08-01 Tax Withholding | 2021-08-03 7:23 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | Raza Adnan CFO | 5,188 | $18.71 | 137,216 (Direct) | View |
2021-08-01 Tax Withholding | 2021-08-03 6:44 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | MICHAELS KIMON VP | 21 | $18.71 | 1,585,598 (Indirect) | View |
2021-07-01 Option Award | 2021-07-02 6:17 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | Raza Adnan CFO | 30,000 | $0 | 141,405 (Direct) | View |
2021-07-01 Tax Withholding | 2021-07-02 5:01 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | MICHAELS KIMON VP | 82 | $18.14 | 1,585,619 (Indirect) | View |
2021-07-01 Option Award | 2021-07-02 5:01 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | MICHAELS KIMON VP | 6,998 | $0 | 1,585,619 (Indirect) | View |
2021-07-01 Option Award | 2021-07-02 5:00 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | GUSTAFSON MICHAEL B Director | 4,688 | $0 | 30,692 (Direct) | View |
2021-07-01 Option Award | 2021-07-02 4:59 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | Erba Nancy Director | 4,688 | $0 | 22,545 (Direct) | View |
2021-07-01 Option Award | 2021-07-02 4:58 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | BRONSON JOSEPH R Director | 4,688 | $0 | 43,390 (Direct) | View |
2021-07-01 Option Award | 2021-07-02 4:57 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | Zhang Shuo Director | 4,688 | $0 | 21,379 (Direct) | View |
2021-07-01 Option Award | 2021-07-02 4:56 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | Iansiti Marco Director | 4,688 | $0 | 32,253 (Direct) | View |
2021-03-08 Exercise | 2021-03-09 9:53 pm | N/A 2021-05-27 | PDF SOLUTIONS INC | PDFS | MICHAELS KIMON VP | 7,500 | $6.21 | 1,578,703 (Indirect) | View |
2021-02-01 Tax Withholding | 2021-02-02 6:20 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | MICHAELS KIMON VP | 25 | $20 | 1,571,203 (Indirect) | View |
2021-01-01 Tax Withholding | 2021-01-05 3:43 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | MICHAELS KIMON VP | 100 | $21.6 | 1,571,228 (Indirect) | View |
2020-12-31 Tax Withholding | 2021-01-04 9:20 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | Raza Adnan CFO | 10,374 | $21.6 | 110,818 (Direct) | View |
2020-08-01 Option Award | 2020-08-04 7:43 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | BRONSON JOSEPH R Director | 4,688 | $0 | 38,702 (Direct) | View |
2020-08-01 Option Award | 2020-08-04 7:31 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | Iansiti Marco Director | 4,688 | $0 | 27,565 (Direct) | View |
2020-08-01 Option Award | 2020-08-04 7:23 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | GUSTAFSON MICHAEL B Director | 4,688 | $0 | 26,004 (Direct) | View |
2020-08-01 Option Award | 2020-08-04 7:23 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | GUSTAFSON MICHAEL B Director | 4,688 | $0 | 26,004 (Direct) | View |
2020-08-01 Option Award | 2020-08-04 7:17 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | Zhang Shuo Director | 4,688 | $0 | 16,691 (Direct) | View |
2020-08-01 Option Award | 2020-08-04 4:53 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | Erba Nancy Director | 4,688 | $0 | 17,857 (Direct) | View |
2020-08-01 Option Award | 2020-08-04 4:52 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | Erba Nancy Director | 4,688 | $0 | 17,857 (Direct) | View |
2020-08-01 Option Award | 2020-08-04 4:51 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | Erba Nancy Director | 4,688 | $0 | 17,857 (Direct) | View |
2020-08-01 Option Award | 2020-08-04 4:40 pm | N/A N/A | PDF SOLUTIONS INC | PDFS | Yin Gerald Zheyao Director | 4,688 | $0 | 19,701 (Direct) | View |