John Borthwick
Director · Strata Critical Medical, Inc.
- 2024
- Aug 1, 2025
- 2
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies John Borthwick 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.
- Amir Cohen - $410K in SRTA purchases and sales in the last 12 months
- William A. Heyburn - $186K in SRTA purchases and sales in the last 12 months
- Melissa M. Tomkiel - $175K in SRTA purchases and sales in the last 12 months
- Reginald Love - $125K in SRTA purchases and sales in the last 12 months
- Scott M. Wunsch - $33K in SRTA purchases and sales in the last 12 months
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Frequently asked questions
Who is John Borthwick?
John Borthwick is a corporate insider, tracked as Director of Strata Critical Medical, Inc. (SRTA). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did John Borthwick last file a Form 4?
The most recent primary Form 4 on record is dated 1 August 2025, one of 2 filings going back to 2024.
Has John Borthwick been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($313K) across all tracked filings.
