• Sep 15, 2026

  $252.54-1.75%

  Comparable listed semiconductor companies rose 0.80% on average on this day, while Astera Labs shares fell instead [1].

  • 1Peer group

• Sep 14, 2026

  $257.04-11.74%

  Astera Labs shares fell sharply after Anthropic's Dario Amodei and other AI leaders called for the industry to slow down, according to The Motley Fool [1]. Comparable listed semiconductor companies also declined, down 5.94% on average [2], though the drop in Astera Labs shares was larger. The session traded on volume 1.9x the company's trailing average, with the price ranging across 6.1% of the day's low [3].

  • 1The Motley Fool
  • 2Peer group
  • 3Market data

• Sep 11, 2026

  $291.22+2.35%

  Comparable semiconductor companies rose 3.78% on average that day, with all six names in the group gaining [1]. Astera Labs' 2.35% advance came alongside that broader group move rather than as an outlier.

  • 1Peer group

• Sep 10, 2026

  $284.53-5.33%

  Astera Labs shares fell 5.33%, a steeper decline than the 1.69% average drop among comparable semiconductor companies, most of which also fell that day [1].

  • 1Peer group

• Sep 9, 2026

  $300.54+4.05%

  ALAB rose 4.05% even as comparable semiconductor companies moved -0.63% on average, with 5 of 6 falling [1]. The gain was not shared by the broader sector [1].

  • 1Peer group

• Sep 8, 2026

  $288.85-6.94%

  Astera Labs shares fell 6.94%, a steeper decline than comparable semiconductor companies, which fell 2.37% on average with all six peers lower [1]. The drop came on volume 1.7x the company's trailing average, with the session trading in an 8.8% range [2].

  • 1Peer group
  • 2Market data

• Sep 4, 2026

  $310.40+9.75%

  Shares rose 9.75% alongside gains across comparable semiconductor companies, which moved up 3.12% on average [1]. The move outpaced the broader peer group, with all six comparable companies posting gains but none matching this size [1]. Trading volume was twice the trailing 20-session average, with the session ranging between 285.84 and 321.65 [2].

  • 1Peer group
  • 2Market data

Closing prices for ALAB. Summaries describe past sessions only and are not advice, a forecast or a recommendation.

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