Charles Stroo - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 4, 2026
Charles Stroo is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days.
Profile
Charles Stroo is the Chief Operating Officer, Wind at TPI COMPOSITES, INC (TPIC). Stroo has reported 4 insider filings with the SEC since 2024. The most recent filing was in December 2025.
| Role | Chief Operating Officer |
|---|---|
| Notability | 34/100 |
Board memberships
- TPI COMPOSITES, INC
Reported roles
- Chief Operating Officer, Wind
Trading Pattern
InsiderAlpha's records for Charles Stroo go back to 2024: 2 primary Form 4 filings, an average of 0.7 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Career & Filing History
Every role Charles Stroo has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- Chief Operating Officer at TPI COMPOSITES, INC (TPIC) - 1 filing, 2025
- Chief Operating Officer, Wind at TPI COMPOSITES, INC (TPIC) - 1 filing, 2024
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2025-12-02 | TPIC | TPI COMPOSITES, INC | F - Tax withholding / forfeiture | 27.0K | $0.03 | $674 |
| 2025-12-02 | TPIC | TPI COMPOSITES, INC | M - Option exercise | 62.5K | $0.00 | |
| 2024-12-02 | TPIC | TPI COMPOSITES, INC | F - Tax withholding / forfeiture | 18.8K | $2.00 | $38K |
| 2024-12-02 | TPIC | TPI COMPOSITES, INC | M - Option exercise | 62.5K | $0.00 |
Most Active Insiders Right Now
Charles Stroo has no recent co-filers at the same companies, so here are the insiders with the largest open-market activity across the market in the last 90 days.
- MetLife Investment Management, LLC - $1600000.00B of FINS open-market activity in the last 90 days
- Magnetar Financial LLC - $16357.48B of CRWV open-market activity in the last 90 days
- Marianne Okland - $18.46B of STNG open-market activity in the last 90 days
- VisionWave Holdings, Inc. - $14.13B of SVRE open-market activity in the last 90 days
- Vanessa Allen Sutherland - $7.44B of PSX open-market activity in the last 90 days
- AI Alpine (Luxembourg) S.a.r.l. - $2.69B of INIO open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Jorey Chernett
- John W. Childs
- Mahesh Choudhury
- Jonathan H. Cohen
- Ryan Cohen
- Charles K. Cohn
- Coliseum Capital Management, LLC
- Column Group IV GP, LP
Frequently Asked Questions
Who is Charles Stroo?
Charles Stroo is the Chief Operating Officer, Wind at TPI COMPOSITES, INC (TPIC). Stroo has reported 4 insider filings with the SEC since 2024. The most recent filing was in December 2025.…
Where can I see all of Charles Stroo's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Open the live Charles Stroo profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.