CBIO

Edwin Rock

Known title: Chief Medical OfficerCIK: 0001945417

Edwin Rock's purchase track record

How the stock did after each of Edwin Rock's open-market purchases, measured from the purchase date. Several fills within a week count as one purchase.

Purchases measured
4
of 4 since November 14, 2022
Stock higher 6 months later
50%
3 months: 50%
Median 6-month return
+23.9%
3 months: +11.2%
Beat the S&P 500
50%
median +14.4% vs. index
PurchaseStockAmount3 months6 months
6/20/2024CBIO$79K-32.0%-16.0%
9/21/2023CBIO$90K+54.4%+108.7%
12/22/2022CBIO$248K-32.4%-8.8%
11/14/2022CBIO$309K+184.4%+56.5%

Computed by MarketWall from SEC Form 4 filings and daily closing prices (close on the purchase date to the close about 3 and 6 months later). Companies that have since delisted are not included. Past results, not investment advice.

Associated companies

AI Market Commentary

AI-generatedAll commentary →

Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.

October 16, 2026

CBIO Announces New Clinical Trial Milestones for CR-001. Crescent Biopharma said it is enrolling patients in the standard‑of‑care chemotherapy arms of its global Phase 1/2 ASCEND trial for CR‑001, a PD‑1 × VEGF bispecific antibody. The company also began additional antibody‑drug‑conjugate combination studies with CR‑001. These steps indicate progress in the drug’s development and broaden its potential clinical applications.

this person other insiders at CBIO

Transaction History

CBIO▲ Buy$31K
CBIO▲ Buy$48K
CBIO▲ Buy$42K
CBIO▲ Buy$48K
CBIO▲ Buy$248K
CBIO▲ Buy$166K
CBIO▲ Buy$143K

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