Summary
Updated Aug 31, 2026
Robert Dennehy is Senior VP and COO of MACOM Technology Solutions Holdings, Inc. (MTSI). 16 SEC Form 4 filings on record going back to 2024, most recently on 20 May 2026. Most recent open-market trade: sold $398K of MTSI on 2 March 2026. Lifetime open-market sales: $7.12M.
Recent Transactions
20Every recent SEC Form 4 transaction Robert Dennehy has reported, most recent first.
$MTSI MACOM Technology Solutions Holdings, Inc.
S - Open-market sale10b5-14.1K shares @ $244.85$1.00M
$MTSI MACOM Technology Solutions Holdings, Inc.
S - Open-market sale10b5-14.8K shares @ $243.95$1.17M
$MTSI MACOM Technology Solutions Holdings, Inc.
F - Tax withholding / forfeiture471 shares @ $170.03$80K
$MTSI MACOM Technology Solutions Holdings, Inc.
F - Tax withholding / forfeiture16.7K shares @ $166.92$2.79M
$MTSI MACOM Technology Solutions Holdings, Inc.
F - Tax withholding / forfeiture374 shares @ $146.39$55K
$MTSI MACOM Technology Solutions Holdings, Inc.
F - Tax withholding / forfeiture260 shares @ $139.31$36K
Trading Pattern
InsiderAlpha's records for Robert Dennehy go back to 2024: 16 primary Form 4 filings, an average of 5.3 per year. 18 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 Robert Dennehy 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
- Donghyun Thomas Hwang - $4.77M 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 Robert Dennehy?
Robert Dennehy is a corporate insider, tracked as Senior VP and COO 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.
When did Robert Dennehy last file a Form 4?
The most recent primary Form 4 on record is dated 20 May 2026, one of 16 filings going back to 2024.
Has Robert Dennehy been buying or selling stock?
Recorded transactions: 0 open-market purchases and 18 open-market sales ($7.12M) across all tracked filings.
Where can I see all of Robert Dennehy'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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