Summary
Updated Aug 30, 2026
Robert Alexander is Chief Executive Officer of Allakos Inc. (ALLK). 1 SEC Form 4 filing on record, dated 6 December 2024.
Recent Transactions
1Every recent SEC Form 4 transaction Robert Alexander has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Robert Alexander go back to 2024: 1 primary Form 4 filing, an average of 0.3 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 Sector
No other insider has filed at Robert Alexander's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- KKR Group Partnership L.P. - $2.09B of BTSG open-market activity in the last 12 months
- WARBURG PINCUS CO. - $1.30B of SHC open-market activity in the last 12 months
- GTCR INVESTMENT XI LLC - $760.39M of SHC open-market activity in the last 12 months
- Martine A. Rothblatt - $703.37M of UTHR open-market activity in the last 12 months
- Ronda E. Stryker - $580.89M of SYK open-market activity in the last 12 months
- Keith A. Meister - $533.93M of ILMN 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 Alexander?
Robert Alexander is a corporate insider, tracked as Chief Executive Officer of Allakos Inc. (ALLK). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Robert Alexander last file a Form 4?
The only primary Form 4 on record is dated 6 December 2024.
Where can I see all of Robert Alexander'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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