PDF SOLUTIONS INC (PDFS) is a publicly traded company in the Unknown sector. Across all available filings, 26 corporate insiders have executed 1012 transactions totaling $22.4M, demonstrating a bearish sentiment with -$21.4M in net insider flow. The most recent transaction on Jan 1, 2026 involved a transaction of 5,498 shares valued at $156.9K.
No significant insider buying has been recorded for PDFS in the recent period.
No significant insider selling has been recorded for PDFS in the recent period.
Based on recent SEC filings, insider sentiment for PDFS is bearish with an Insider Alignment Score of 2/100 and a net flow of -$21.4M. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
Insider trading at PDF SOLUTIONS INC (PDFS) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 26 insiders are actively trading PDFS stock, having executed 1012 transactions in the past 90 days. The most active insider is Cornelis Hartgring (Executive), who has made 303 transactions totaling $7.9M.
Get notified when executives and directors at PDFS file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Jan 1, 2026 | Raza Adnan | EVP, Finance and CFO | Payment | 5,498 | $28.53 | $156.9K | C-Suite |
| Jan 1, 2026 | Strojwas Andrzej | Chief Technology Officer | Payment | 2,762 | $28.53 | $78.8K | C-Suite |
| Dec 9, 2025 | Michaels Kimon | Executive | Gift | 5,070 | $N/A | $0 | |
| Aug 1, 2025 | Strojwas Andrzej | Executive | Award | 8,000 | $N/A | $0 | |
| Aug 1, 2025 | Raza Adnan | Executive | Award | 35,000 | $N/A | $0 | |
| Jul 1, 2025 | Zhang Shuo | Executive | Award | 7,429 | $N/A | $0 | |
| Jul 1, 2025 | Jane Li Ye | Executive | Award | 7,429 | $N/A | $0 | |
| Jul 1, 2025 | B. Gustafson Michael | Executive | Award | 7,429 | $N/A | $0 | |
| Jul 1, 2025 | Erba Nancy | Executive | Award | 7,429 | $N/A | $0 | |
| Jul 1, 2025 | Chan Chi-foon | Executive | Award | 7,429 | $N/A | $0 | |
| Jul 1, 2025 | R. Bronson Joseph | Executive | Award | 7,429 | $N/A | $0 | |
| Jul 1, 2025 | Michaels Kimon | Executive | Payment | 798 | $21.87 | $17.5K | |
| Aug 1, 2024 | Strojwas Andrzej | Executive | Payment | 357 | $33.13 | $11.8K | |
| Aug 1, 2024 | Michaels Kimon | Executive | Payment | 22 | $33.13 | $729 | |
| Jul 1, 2024 | Michaels Kimon | Executive | Payment | 657 | $35.74 | $23.5K |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Sale(S) | 527 | $21.9M | 61.4% |
Exercise(M) | 65 | $6.7M | 18.9% |
Payment(F) | 204 | $5.9M | 16.5% |
Purchase(P) | 79 | $537.4K | 1.5% |
Award(A) | 125 | $515.5K | 1.4% |
Disposition(D) | 4 | $70.7K | 0.2% |
Gift(G) | 8 | $0 | 0.0% |
Insider selling pressure at PDF SOLUTIONS INC has increased, with 26 insiders executing 1012 transactions across all time. Total sales of $21.9M significantly outpace purchases of $537.4K, resulting in a net outflow of $21.4M. This selling activity appears largely discretionary, which may warrant closer attention from investors.