Summary
Updated Aug 31, 2026
Ming Zhang is Director of Sound Group Inc. (SOGP). 1 SEC Form 4 filing on record, dated 6 April 2026. Most recent open-market trade: sold $15 of SOGP on 6 April 2026. Lifetime open-market sales: $17K.
Recent Transactions
2Every recent SEC Form 4 transaction Ming Zhang has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Ming Zhang go back to 2026: 1 primary Form 4 filing, an average of 1.0 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.
Most Active Insiders Right Now
Ming Zhang has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- WINDACRE PARTNERSHIP LLC - $391.22M of PRM open-market activity in the last 90 days
- Michael N. Intrator - $388.40M of CRWV open-market activity in the last 90 days
- AEROEQUITY GP, LLC - $384.00M of FLY open-market activity in the last 90 days
- Keith A. Meister - $378.96M of ILMN open-market activity in the last 90 days
- Jayshree Ullal - $365.88M of ANET open-market activity in the last 90 days
- Jeffrey P. Bezos - $346.45M of AMZN open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Ming Zhang?
Ming Zhang is a corporate insider, tracked as Director of Sound Group Inc. (SOGP). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Ming Zhang last file a Form 4?
The only primary Form 4 on record is dated 6 April 2026.
Has Ming Zhang been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($17K) across all tracked filings.
Where can I see all of Ming Zhang'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.
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