GUSTAFSON MICHAEL B
SEC insider (Form 3/4/5 filer). CIK 0001245081. Director at PDF SOLUTIONS INC (PDFS) and 1 other issuer. 8 reported Form 4/5 transactions since Sep 2024; latest on Jul 1, 2026. Located in SANTA CLARA, CA.
Companies GUSTAFSON MICHAEL B has filed insider reports for
- PDF SOLUTIONS INC (PDFS): Director
- Matterport, Inc./DE (MTTR): Director
GUSTAFSON MICHAEL B
CIK: 0001245081
Transaction Breakdown
Open Market Buys (P)2 (25.0%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)2 (25.0%)
Derivative conversions
Awards (A)2 (25.0%)
Compensation grants
Other (G, F, J, C, D, …)2 (25.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (8 total)
- Jul 1, 2026PDFS
PDF SOLUTIONS INC
AwardDirect2.7K shares- - Jul 1, 2025PDFS
PDF SOLUTIONS INC
AwardDirect7.4K shares- - May 13, 2025PDFS
PDF SOLUTIONS INC
PurchaseDirect7.5K shares at avg. $19.45$146K - Feb 28, 2025MTTR
Matterport, Inc./DE
DispositionDirect718.2K shares- - Feb 28, 2025MTTR
Matterport, Inc./DE
DispositionIndirect33K shares- - Feb 24, 2025PDFS
PDF SOLUTIONS INC
PurchaseDirect4K shares at avg. $23.06$92K - Feb 19, 2025MTTR
Matterport, Inc./DE
ExerciseDirect17K shares at avg. $0.35$6K - Feb 19, 2025MTTR
Matterport, Inc./DE
ExerciseDirect458.7K shares at avg. $0.35$159K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jul 1, 2026 |  PDFS PDF SOLUTIONS INC | Award | 2,689 | - | $0 | Direct |
| Jul 1, 2025 | PDFS PDF SOLUTIONS INC | Award | 7,429 | - | - | Direct |
| May 13, 2025 | PDFS PDF SOLUTIONS INC | Purchase | 7,500 | $19.45 | $145,875 | Direct |
| Feb 28, 2025 |  MTTR Matterport, Inc./DE | Disposition | 718,169 | - | - | Direct |
| Feb 28, 2025 | MTTR Matterport, Inc./DE | Disposition | 33,024 | - | - | Indirect |
| Feb 24, 2025 | PDFS PDF SOLUTIONS INC | Purchase | 4,000 | $23.06 | $92,240 | Direct |
| Feb 19, 2025 | MTTR Matterport, Inc./DE | Exercise | 16,992 | $0.35 | $5,900 | Direct |
| Feb 19, 2025 | MTTR Matterport, Inc./DE | Exercise | 458,653 | $0.35 | $159,244 | Direct |
1-8 of 8 transactions