Insider · CIK 0001515140
Michael Holder
Files at: CTKB, MDXH. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 18, 2026 MForm 4 → | Aug 20, 4:28 pm EDT | Cytek Biosciences, Inc.CTKB | 2,181 | — | — | 62,875 | — |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 18, 2026 MForm 4 → | Aug 20, 4:28 pm EDT | Cytek Biosciences, Inc.CTKB | 2,181 | — | — | 7,276 | — |