This is a routine insider onboarding filing with no trading signal. Monitor future Form 4 filings from O'Keefe for any open-market purchases or sales that would indicate conviction.
Price Chart
Executive Summary
Sharon O'Keefe filed an initial statement of beneficial ownership (Form 3) with CeriBell, Inc. on July 28, 2026, along with a standard Power of Attorney authorizing company officers to handle future Section 16 filings. This is a routine administrative filing required when a new insider joins the board or becomes an officer — it discloses no holdings or transactions and has no material impact on the company's operations or stock.
Key Facts
- Sharon O'Keefe filed a Form 3 initial statement of beneficial ownership with CeriBell, Inc. on July 28, 2026.
- The filing includes a Power of Attorney (EX-24.1) authorizing the CEO, CFO, General Counsel, and Principal Accounting Officer to file future Section 16 reports on her behalf.
- No securities holdings or transaction amounts are disclosed in the filing.
- The filing is a standard procedural requirement for new insiders and carries no financial or operational implications.
Financial Impact
No financial impact — the filing is administrative with no disclosed holdings or transactions.
Risk Factors
- No material risks identified from this administrative filing.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 8 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 3 Filing (CBLL) — Batch item 1 | 0001193125-26-326483 |
| Document: 0001193125-26-326483-index-headers.html | 0001193125-26-326483 |
| Document: 0001193125-26-326483-index.html | 0001193125-26-326483 |
| Document: 0001193125-26-326483.txt | 0001193125-26-326483 |
| 3 Filing (CBLL) — Batch item 5 | 0001193125-26-326483 |
| Document: 0001193125-26-326483-index-headers.html | 0001193125-26-326483 |
| Document: 0001193125-26-326483-index.html | 0001193125-26-326483 |
| Document: 0001193125-26-326483.txt | 0001193125-26-326483 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 20, 2026 6d ago | Press Release | $27.14 $27.40 | ▲ +0.96% | ▲ +2.14% | $27.03 (−0.41%) |
Sep 17, 2026 5w ago | Insider Cluster | $24.37 $24.25 | ▼ −0.49% | ▼ −2.04% | $27.03 (+10.92%) |
Sep 10, 2026 6w ago | Insider Cluster | $23.63 $24.33 | ▼ −2.96% | ▼ −3.41% | $27.03 (−14.39%) |
Sep 4, 2026 7w ago | Insider Cluster | $24.31 $24.41 | ▲ +0.41% | ▲ +0.88% | $27.03 (+11.19%) |
Aug 25, 2026 8w ago | Insider Cluster | $23.45 $23.37 | ▲ +0.34% | ▲ +1.00% | $27.03 (−15.27%) |
Aug 20, 2026 9w ago | Insider Cluster | $24.20 $23.94 | ▲ +1.07% | ▲ +0.78% | $27.03 (−11.69%) |
Aug 20, 2026 9w ago | Insider Cluster | $24.20 $23.94 | ▼ −1.07% | ▼ −0.78% | $27.03 (+11.69%) |
Aug 18, 2026 9w ago | Institutional Cluster | $24.21 $24.89 | ▲ +2.81% | ▲ +2.60% | $27.03 (+11.65%) |
Aug 10, 2026 11w ago | 8-K | $21.31 $22.91 | ▲ +7.51% | ▲ +7.26% | $27.03 (+26.84%) |
Aug 10, 2026 11w ago | Press Release | $21.31 $22.91 | ▲ +7.51% | ▲ +7.26% | $27.03 (+26.84%) |
US Market Status
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