Updated Jul 16, 2026
Lubner David Charles has filed 4 SEC Form 4 filings across 3 companies in the last 90 days — selling. Lifetime open-market sales: $450K.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-04-28 | DYN | Dyne Therapeutics, Inc. | G — Bona-fide gift | 53.6K | $0.00 | |
| 2026-04-28 | ACLX | Arcellx, Inc. | J — Other acquisition / disposition | 21.7K | — | |
| 2026-01-21 | ACLX | Arcellx, Inc. | S — Open-market sale [10b5-1] | 6.0K | $75.00 | $450K |
| 2026-01-21 | ACLX | Arcellx, Inc. | M — Option exercise [10b5-1] | 6.0K | $6.28 | $38K |
Lubner David Charles is a corporate insider — currently tracked as Insider of Dyne Therapeutics, Inc. (DYN). InsiderAlpha tracks every SEC Form 4 filing in real time.
4 primary Form 4 filings in the last 90 days, covering 3 companies.
Recorded transactions: 0 open-market purchases () and 1 open-market sales ($450K) 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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