Gustafson Michael B (CIK 0001245081)

Latest company ownership

Role: Director
Shares held
37,503
Last filed at
Jul 2, 2025
Confidence Score
52.6
2025Q4
Confidence Score History
2019Q2 2025Q4
Shares held
11,440
Last filed at
Aug 19, 2022
Confidence Score
50.0
2025Q4
Confidence Score History
2018Q1 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
May 13, 2025 May 14, 2025 PDF SOLUTIONS INC Director Buy 95.0 +7,500 33.22% $145.9K
Feb 24, 2025 Feb 25, 2025 PDF SOLUTIONS INC Director Buy 95.0 +4,000 21.54% $92.2K
Dec 12, 2023 Dec 14, 2023 PDF SOLUTIONS INC Director Sell 22.5 -5,750 -28.83% $177.8K
Feb 28, 2023 Mar 2, 2023 PDF SOLUTIONS INC Director Sell 20.0 -13,316 -44.53% $496.2K
Nov 15, 2022 Nov 17, 2022 PDF SOLUTIONS INC Director Sell 22.5 -5,000 -14.33% $149.6K
Aug 17, 2022 Aug 19, 2022 EVERSPIN TECHNOLOGIES INC. Director Sell 20.0 -33,603 -10.54% $253.8K
Nov 17, 2021 Nov 18, 2021 EVERSPIN TECHNOLOGIES INC. Director Sell 22.5 -14,286 -19.67% $181.4K
Nov 12, 2021 Nov 15, 2021 PDF SOLUTIONS INC Director Sell 22.5 -3,000 -9.77% $99K
Nov 5, 2019 Nov 7, 2019 PDF SOLUTIONS INC Director Sell 46.3 -2,600 -10.87% $41K
Jun 13, 2019 Jun 14, 2019 PDF SOLUTIONS INC Director Sell 26.3 -1,000 -4.94% $12.9K
Feb 12, 2018 Feb 13, 2018 EVERSPIN TECHNOLOGIES INC. Director Buy 95.0 +14,286 100.00% $100K