Astera Labs, Inc.

ALAB

Form 4 • Statement of Changes in Beneficial Ownership

SEC Accession Number: 0001998163-26-000007
Filing date: Mar 4, 2026
Earliest execution date: Mar 2, 2026

Summary

Type

Sell

Net shares

-10,000

% of shares

-7.24%

Amount (USD)

$1,174,740

Insider confidence score

31.3 out of 100

Positive

  • Under Rule 10b5-1 trading plan

Negative

  • Large scheduled sell (<7.5% of shares)
  • Very large sell amount ($1M+)

Stock transactions

Transaction 1

Security

Common Stock

Action

Sell

Date

2026-03-02

Code

S

Net shares

-1,200.0

Price per Share

$113.85

Amount (USD)

$136,616.40

Acquired/Disposed

Disposed

Shares Owned Before

138,084.0

Shares Owned After

136,884.0

Transaction 2

Security

Common Stock

Action

Sell

Date

2026-03-02

Code

S

Net shares

-677.0

Price per Share

$114.81

Amount (USD)

$77,729.69

Acquired/Disposed

Disposed

Shares Owned Before

136,884.0

Shares Owned After

136,207.0

Transaction 3

Security

Common Stock

Action

Sell

Date

2026-03-02

Code

S

Net shares

-750.0

Price per Share

$115.84

Amount (USD)

$86,881.80

Acquired/Disposed

Disposed

Shares Owned Before

136,207.0

Shares Owned After

135,457.0

Transaction 4

Security

Common Stock

Action

Sell

Date

2026-03-02

Code

S

Net shares

-1,205.0

Price per Share

$116.85

Amount (USD)

$140,798.71

Acquired/Disposed

Disposed

Shares Owned Before

135,457.0

Shares Owned After

134,252.0

Transaction 5

Security

Common Stock

Action

Sell

Date

2026-03-02

Code

S

Net shares

-3,200.0

Price per Share

$117.92

Amount (USD)

$377,342.72

Acquired/Disposed

Disposed

Shares Owned Before

134,252.0

Shares Owned After

131,052.0

Transaction 6

Security

Common Stock

Action

Sell

Date

2026-03-02

Code

S

Net shares

-1,202.0

Price per Share

$118.89

Amount (USD)

$142,901.21

Acquired/Disposed

Disposed

Shares Owned Before

131,052.0

Shares Owned After

129,850.0

Transaction 7

Security

Common Stock

Action

Sell

Date

2026-03-02

Code

S

Net shares

-1,566.0

Price per Share

$120.23

Amount (USD)

$188,274.07

Acquired/Disposed

Disposed

Shares Owned Before

129,850.0

Shares Owned After

128,284.0

Transaction 8

Security

Common Stock

Action

Sell

Date

2026-03-02

Code

S

Net shares

-200.0

Price per Share

$120.98

Amount (USD)

$24,196.00

Acquired/Disposed

Disposed

Shares Owned Before

128,284.0

Shares Owned After

128,084.0

Filing's footnotes

1. The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025.

2. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $113.3700 to $114.1600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

3. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $114.4400 to $115.1800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

4. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $115.4500 to $116.3700, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

5. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $116.4500 to $117.2100, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

6. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $117.4700 to $118.2600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

7. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $118.4900 to $119.4700, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

8. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $119.7300 to $120.5700, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

9. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $120.9700 to $120.9900, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

ℹ️ Filed under Rule 10b5-1 trading plan

This page is for informational purposes only. While we strive for accuracy, the summary may contain inaccuracies or omissions. Please refer to the official SEC filing for authoritative information. Open the SEC filing.