Updated Jul 16, 2026
Simon Mark has filed 1 SEC Form 4 filing across 1 company in the last 90 days — buying. Lifetime open-market purchases: $25K.
Mark Simon is listed in Cabaletta Bio, Inc. (CABA) insider filings with the SEC, as of the filing date 2026-01-21. The filing shows zero purchases and zero sales for this insider and does not disclose a public role or title within Cabaletta Bio. Based on the SEC context, he is associated with the company as an insider, though a specific executive or board position is not disclosed in the available records.
| Role | Insider |
|---|---|
| Notability | 12/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-01-21 | CABA | Cabaletta Bio, Inc. | P — Open-market purchase | 11.1K | $2.28 | $25K |
Mark Simon is listed in Cabaletta Bio, Inc. (CABA) insider filings with the SEC, as of the filing date 2026-01-21. The filing shows zero purchases and zero sales for this insider and does not disclose a public role or title within Cabaletta Bio. Based on the SEC context, he is associated with the company as an insider, though a specific executive or board position is not disclo…
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 1 open-market purchases ($25K) and 0 open-market sales () across all tracked 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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