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WHWK SCHEDULE 13G/A: SEC filing

Coastlands Capital LP and affiliated reporting persons

Filed with the SEC on · accession 0001104659-26-127421

WHWK filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Nov 13, 2026. Coastlands Capital LP and affiliated reporting persons filed an amended Schedule 13G disclosing beneficial ownership of 3,653,440 shares, or 6.19%, of Whitehawk Therapeutics common stock as of September 30, 2026. The stock moved -0.3% by the first close after the filing.

Summary of the filing

Coastlands Capital LP and affiliated reporting persons filed an amended Schedule 13G disclosing beneficial ownership of 3,653,440 shares, or 6.19%, of Whitehawk Therapeutics common stock as of September 30, 2026. The amendment reflects transactions in the common stock.

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Key details

Shares beneficially owned$3.7M
Percent of class beneficially ownedPCT 6
Shares of common stock outstanding$59.0M
Reporting person / investment adviserCoastlands Capital LP
Direct holder of the sharesCoastlands Capital Partners LP
General partner of coastlands capital partners lpCoastlands Capital GP LLC
General partner of coastlands capital lpCoastlands Capital LLC
IssuerWhitehawk Therapeutics, Inc.
Control person of coastlands capital entitiesMatthew D. Perry

How WHWK stock reacted

Close before

$3.07

Nov 12, 2026

First close after

-0.33%

$3.06

5 trading days

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Since filing

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Frequently asked questions

What did WHWK file with the SEC on Nov 13, 2026?

WHWK filed a SCHEDULE 13G/A (SEC filing). Coastlands Capital LP and affiliated reporting persons filed an amended Schedule 13G disclosing beneficial ownership of 3,653,440 shares, or 6.19%, of Whitehawk Therapeutics common stock as of September 30, 2026. The amendment reflects transactions in the common stock.

How do I read a SCHEDULE 13G/A?

A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13G/A (schedule 13g/a): A report the company filed with the SEC (the US market regulator).

How did WHWK stock react to this filing?

WHWK closed at $3.07 before the filing and $3.06 on Nov 13, 2026 (-0.33%).

Other WHWK SEC filings

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