Stephen Hoi Ma - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Stephen Hoi Ma is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market purchases: $106K.
Profile
Stephen Hoi Ma is a corporate insider at Scilex Holding Co (SCLX). Ma has reported 3 insider filings with the SEC since 2024. The most recent filing was in April 2026.
| Role | CFO, COO and Secretary |
|---|---|
| Notability | 20/100 |
Board memberships
- Scilex Holding Co
Trading Pattern
InsiderAlpha's records for Stephen Hoi Ma go back to 2024: 3 primary Form 4 filings, an average of 1.0 per year. The typical open-market purchase is $53K (2 buys totaling $106K). The largest single buy on record is $100K of SCLX in 2026. 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 Stephen Hoi Ma 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.
- CFO, COO and Secretary at Scilex Holding Co (SCLX) - 1 filing, 2026
- CFO and COO at Scilex Holding Co (SCLX) - 1 filing, 2025
- Chief Financial Officer at Scilex Holding Co (SCLX) - 1 filing, 2024
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2024-10-17 | SCLX | Scilex Holding Co | P - Open-market purchase | 6.7K | $0.97 | $6K |
Most Active Insiders Right Now
Stephen Hoi Ma 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:
- Joseph Stilwell
- William P. Stiritz
- SUMITOMO MITSUI FINANCIAL GROUP, INC.
- Suva
- SUVRETTA CAPITAL MANAGEMENT, LLC
- Donald William Swanson
- Synchron
- Kevin Tang
Frequently Asked Questions
Who is Stephen Hoi Ma?
Stephen Hoi Ma is a corporate insider at Scilex Holding Co (SCLX). Ma has reported 3 insider filings with the SEC since 2024. The most recent filing was in April 2026.…
Has Stephen Hoi Ma been buying or selling stock?
Recorded transactions: 2 open-market purchases ($106K) and 0 open-market sales across all tracked filings.
Where can I see all of Stephen Hoi Ma'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 Stephen Hoi Ma profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.