| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Chief Technology Officer | CTO
1 company
Andrzej Strojwas is Chief Technology Officer at PDFS. Andrzej Strojwas's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $3.8M at current prices.
Our model assigns Andrzej Strojwas a middling insider score of 60/100, based on 4 past trades. Over a 12-month horizon, all 4 of those trades were profitable, with an average 12-month return of +7.1%.
The PDFS filings lean toward selling, a net 37,123 shares.
Andrzej Strojwas has 27 Form 4 filings on record from December 2021 to September 2026, all as Chief Technology Officer at PDF Solutions (PDFS), 2021–2026.
The 32 reported transactions were 18 tax withholdings, 6 open-market sales, 6 stock awards and 1 option or other derivative award, plus smaller numbers of other types.
Counted by filing, the open-market trades come to no purchases and 5 sales worth about $1.2M.
The largest open-market sale was 19,926 shares of PDFS at an average $31.00 on November 30, 2022, about $618K. Twelve months later PDFS was down 4%.
None of the 3 sales since April 2023 was marked as made under a Rule 10b5-1 trading plan.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Aug 31, 2026 | PDFS Pdf Solutions, Inc. | Chief Technology Officer | Sell | 3,394 | $44.41 | $150,727.54 | -3.6% | - | - | |
| Dec 17, 2024 | PDFS Pdf Solutions Inc | CTO | Sell | 6,253 | $30.39 | $190,039.53 | -6.6% | -28.4% | -9.6% | |
| Dec 16, 2024 | PDFS Pdf Solutions Inc | CTO | Sell | 5,030 | $30.85 | $155,193.61 | -5.0% | -29.1% | -5.5% | |
| Mar 8, 2023 | PDFS Pdf Solutions Inc | CTO | Sell | 2,520 | $38.45 | $96,894.00 | -2.8% | +10.2% | -8.7% | |
| Nov 30, 2022 | PDFS Pdf Solutions Inc | CTO | Sell | 19,926 | $31.00 | $617,628.29 | -17.6% | +19.3% | -4.4% |