Karin-Joyce Tjon - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Karin-Joyce Tjon is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days.
Profile
Karin-Joyce Tjon serves as Director of Solidion Technology Inc. (STI). Tjon has also held reporting roles at LIVEPERSON INC (LPSN) and Volcon, Inc. (EMPD). Tjon has reported 4 insider filings with the SEC since 2024. The most recent filing was in October 2025.
| Role | Director |
|---|---|
| Notability | 26/100 |
Board memberships
- Solidion Technology Inc.
- LIVEPERSON INC
- Volcon, Inc.
Reported roles
- Director
- Director
- Director
Awards & honors
- Director at multiple technology companies
- Experience in battery technology and energy storage
Trading Pattern
InsiderAlpha's records for Karin-Joyce Tjon go back to 2024: 4 primary Form 4 filings, an average of 1.3 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 Karin-Joyce Tjon 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.
- Director at Solidion Technology Inc. (STI) - 1 filing, 2025
- Director at LIVEPERSON INC (LPSN) - 2 filings, 2024 to 2025
- Director at Volcon, Inc. (EMPD) - 1 filing, 2025
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2025-10-09 | STI | Solidion Technology Inc. | A - Grant or award | 40.0K | $0.00 | |
| 2025-08-25 | LPSN | LIVEPERSON INC | A - Grant or award | 200.0K | $0.00 | |
| 2025-07-21 | EMPD | Volcon, Inc. | A - Grant or award | 20.0K | $10.00 | $200K |
| 2024-12-18 | LPSN | LIVEPERSON INC | A - Grant or award | 80.0K | $0.00 |
Most Active Insiders Right Now
Karin-Joyce Tjon 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:
- A. J. Kazimi
- Michael John Kazley
- Kennedy Lewis Investment Holdings II LLC
- KENNEDY LEWIS MANAGEMENT LP
- James M. Kilts
- Richard D. Kinder
- Steven B. Klinsky
- Adam Koppel
Frequently Asked Questions
Who is Karin-Joyce Tjon?
Karin-Joyce Tjon serves as Director of Solidion Technology Inc. (STI). Tjon has also held reporting roles at LIVEPERSON INC (LPSN) and Volcon, Inc. (EMPD). Tjon has reported 4 insider filings with the SEC since 2024. The most recent filing was in October 2025.…
Where can I see all of Karin-Joyce Tjon'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 Karin-Joyce Tjon profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.