Summary
Updated Aug 31, 2026
Stephen Liang is Chief Technology Officer & EVP of Vertiv Holdings Co (VRT). 2 SEC Form 4 filings on record going back to 2024, most recently on 25 November 2025. Most recent open-market trade: sold $938K of VRT on 25 November 2025. Lifetime open-market sales: $12.29M.
Recent Transactions
5Every recent SEC Form 4 transaction Stephen Liang has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Stephen Liang 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.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Stephen Liang 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.
- Roger Fradin - $51.40M of VRT open-market activity in the last 12 months
- Steven Reinemund - $25.39M of VRT open-market activity in the last 12 months
- Edward L. Monser - $18.97M of VRT open-market activity in the last 12 months
- David M. Cote - $10.21M of VRT open-market activity in the last 12 months
- Jan van Dokkum - $9.85M of VRT open-market activity in the last 12 months
- Anders Karlborg - $7.53M of VRT 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 Stephen Liang?
Stephen Liang is a corporate insider, tracked as Chief Technology Officer & EVP of Vertiv Holdings Co (VRT). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Stephen Liang last file a Form 4?
The most recent primary Form 4 on record is dated 25 November 2025, one of 2 filings going back to 2024.
Has Stephen Liang been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($12.29M) across all tracked filings.
Where can I see all of Stephen Liang'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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