Summary
Updated Aug 31, 2026
Kristina M. Johnson files SEC Form 4 reports at MINERALS TECHNOLOGIES INC (MTX). 18 SEC Form 4 filings on record going back to 2024, most recently on 22 June 2026. Most recent open-market trade: sold $494K of INFQ on 2 June 2026. Lifetime open-market purchases: $54K. Lifetime open-market sales: $1.30M.
Recent Transactions
12Every recent SEC Form 4 transaction Kristina M. Johnson has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Kristina M. Johnson go back to 2024: 18 primary Form 4 filings, an average of 6.0 per year. The typical open-market purchase is $54K (1 buy totaling $54K). The largest single buy on record is $54K of MTX in 2025. Sales side: 3 recorded sales totaling $1.30M, so the filing history runs sell-heavy by dollar value. 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 Kristina M. Johnson 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.
- Charles Robbins - $53.44M of CSCO open-market activity in the last 12 months
- Jeetendra I. Patel - $15.26M of CSCO open-market activity in the last 12 months
- Deborah L. Stahlkopf - $15.13M of CSCO open-market activity in the last 12 months
- Mark Patterson - $7.82M of CSCO open-market activity in the last 12 months
- Thimaya K. Subaiya - $6.95M of CSCO open-market activity in the last 12 months
- Oliver Tuszik - $3.86M of CSCO 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 Kristina M. Johnson?
Kristina M. Johnson is a corporate insider of MINERALS TECHNOLOGIES INC (MTX). InsiderAlpha holds 18 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 Kristina M. Johnson submitted recently?
2 primary Form 4 filings in the last 90 days, covering 2 companies.
Has Kristina M. Johnson been buying or selling stock?
Recorded transactions: 1 open-market purchase ($54K) and 3 open-market sales ($1.30M) across all tracked filings.
Where can I see all of Kristina M. Johnson'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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