Summary
Updated Aug 31, 2026
Donghyun Thomas Hwang is SVP, Global Sales of MACOM Technology Solutions Holdings, Inc. (MTSI). 16 SEC Form 4 filings on record going back to 2024, most recently on 29 June 2026. Most recent open-market trade: sold $39K of MTSI on 29 June 2026. Lifetime open-market sales: $5.64M.
Recent Transactions
20Every recent SEC Form 4 transaction Donghyun Thomas Hwang has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Donghyun Thomas Hwang go back to 2024: 16 primary Form 4 filings, an average of 5.3 per year. 50 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Donghyun Thomas Hwang files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Susan Ocampo - $474.39M of MTSI open-market activity in the last 12 months
- Peter Y. Chung - $16.36M of MTSI open-market activity in the last 12 months
- Stephen G. Daly - $12.77M of MTSI open-market activity in the last 12 months
- John Kober - $10.39M of MTSI open-market activity in the last 12 months
- Robert Dennehy - $5.73M of MTSI open-market activity in the last 12 months
- Ambra R. Roth - $2.78M of MTSI open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Donghyun Thomas Hwang?
Donghyun Thomas Hwang is a corporate insider, tracked as SVP, Global Sales of MACOM Technology Solutions Holdings, Inc. (MTSI). InsiderAlpha holds 16 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Donghyun Thomas Hwang submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Donghyun Thomas Hwang been buying or selling stock?
Recorded transactions: 0 open-market purchases and 53 open-market sales ($5.64M) across all tracked filings.
Where can I see all of Donghyun Thomas Hwang'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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