This is a standard initial ownership filing with no trading activity. Monitor future Form 4 filings for any open-market purchases or sales by the CMO, which could signal insider conviction.
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Executive Summary
Baisong Mei filed a Form 3 initial statement of beneficial ownership with City Therapeutics, Inc., disclosing 228,743 shares of common stock and stock options to purchase 131,937 shares at $1.84 and 56,978 shares at $5.36. This is a routine insider filing required upon becoming an officer (Chief Medical Officer) and has no material impact on the company's operations or stock price.
Key Facts
- Baisong Mei filed Form 3 as an initial statement of beneficial ownership.
- Mei is the Chief Medical Officer of City Therapeutics, Inc.
- Mei directly owns 228,743 shares of common stock.
- Mei holds options to buy 131,937 shares at $1.84 (vesting schedule: 25% on March 31, 2026, remainder in 36 monthly installments).
- Mei holds options to buy 56,978 shares at $5.36 (vesting in 48 monthly installments from June 3, 2026).
- The filing is a routine Section 16(a) requirement for new officers/directors.
Financial Impact
No financial impact; the filing discloses existing beneficial ownership, not a transaction.
Risk Factors
- No material risks identified from this filing.
Investment Themes
Documents Analyzed
This report is based on 4 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 3 Filing (Primary) | 0001104659-26-116350 |
| Document: 0001104659-26-116350-index-headers.html | 0001104659-26-116350 |
| Document: 0001104659-26-116350-index.html | 0001104659-26-116350 |
| Document: 0001104659-26-116350.txt | 0001104659-26-116350 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 26, 2026 1d ago | SC 13D | $20.79 | awaiting T+5 | — | $20.86 (+0.34%) |
Oct 26, 2026 1d ago | SC 13G | $20.79 | awaiting T+5 | — | $20.86 (+0.34%) |
Oct 22, 2026 5d ago | SC 13G | $20.77 | awaiting T+5 | — | $20.86 (+0.43%) |
Oct 19, 2026 8d ago | Insider Cluster | $20.83 $20.86 | ▲ +0.14% | ▲ +0.06% | $20.86 (+0.14%) |
Oct 19, 2026 8d ago | Press Release | $20.83 $21.19 | ▲ +1.73% | ▲ +1.70% | $20.86 (+0.14%) |
Oct 16, 2026 11d ago | 424B4 | $21.46 $20.79 | ▼ −3.12% | ▼ −2.98% | $20.86 (−2.80%) |
Oct 16, 2026 11d ago | EFFECT | $22.40 $20.77 | ▼ −7.28% | ▼ −6.85% | $20.86 (−6.87%) |
Oct 15, 2026 12d ago | 3 | $22.40 $20.77 | ▼ −7.28% | ▼ −6.85% | $20.86 (−6.87%) |
Oct 15, 2026 12d ago | 3 | $22.40 $20.77 | ▼ −7.28% | ▼ −6.85% | $20.86 (−6.87%) |
Oct 15, 2026 12d ago | 3 | $22.40 $20.77 | ▼ −7.28% | ▼ −6.85% | $20.86 (−6.87%) |
US Market Status
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