Summary
Updated Aug 31, 2026
Matthew Kaminer is Chief Legal Officer of INSTRUCTURE HOLDINGS, INC. (INST). 1 SEC Form 4 filing on record, dated 14 November 2024.
Recent Transactions
1Every recent SEC Form 4 transaction Matthew Kaminer has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Matthew Kaminer 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.
Most Active Insiders Right Now
Matthew Kaminer has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- Gang Ye - $117.60M of SE open-market activity in the last 90 days
- SVF Pauling (Cayman) Ltd - $116.40M of RLAY open-market activity in the last 90 days
- Albert L. Lord - $116.13M of APCX open-market activity in the last 90 days
- Brannin McBee - $112.75M of CRWV open-market activity in the last 90 days
- Richard Adam Norwitt - $110.99M of APH open-market activity in the last 90 days
- Brian Chesky - $109.51M of ABNB 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 Matthew Kaminer?
Matthew Kaminer is a corporate insider, tracked as Chief Legal Officer of INSTRUCTURE HOLDINGS, INC. (INST). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Matthew Kaminer last file a Form 4?
The only primary Form 4 on record is dated 14 November 2024.
Where can I see all of Matthew Kaminer'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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