Matrix Capital Management Company, LP insider trades

Matrix Capital Management Company, LP has filed 4 Form 4s with the SEC that we hold, for Aura Biosciences, Inc. (AURA) (10% owner) and Zentalis Pharmaceuticals, Inc. (ZNTL) (10% owner). Across all of them we count 3 purchases worth $136.9M and 1 sale worth $39.0M reported on Form 4. In the last 12 months: 0 purchases ($0) and 1 sale ($39.0M). The largest single trade was a purchase of 4,760,000 shares of Zentalis Pharmaceuticals, Inc. worth $107.9M, dated 2023-06-20. The first filing on our record is dated 2022-12-07 and the latest 2026-05-11.

Aura Biosciences, Inc. (AURA)

10% owner · 3 filings · 3 purchases and sales

Trade date	Code	Shares	Value as filed	Filed	Source
2022-12-05	P, purchase reported on Form 4	1,250,000	$15.0M	2022-12-07	SEC
2023-11-09	P, purchase reported on Form 4	1,560,000	$14.0M	2023-11-09	SEC
2026-05-07	S, sale reported on Form 4	6,922,870	$39.0M	2026-05-11	SEC

Zentalis Pharmaceuticals, Inc. (ZNTL)

10% owner · 1 filing · 1 purchase or sale

Trade date	Code	Shares	Value as filed	Filed	Source
2023-06-20	P, purchase reported on Form 4	4,760,000	$107.9M	2023-06-20	SEC

Source

Counted from the Form 4 filings this reporting owner (SEC CIK 1410830) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.

Source: U.S. Securities and Exchange Commission (EDGAR) and other official government data · Updated 2026-10-28 · For informational purposes only, not investment advice.
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