X0609 4 2026-05-11 0 0001126741 GSI TECHNOLOGY INC GSIT 0001394413 Shu Lee-Lean false GSI TECHNOLOGY, INC. 1213 ELKO DRIVE SANTA CLARA CA 94089 1 1 1 0 Pres., CEO and Chairman 1 Common Stock 2026-05-11 4 M 0 32749 4.99 A 2015166 D Common Stock 2026-05-11 4 S 0 32749 10.0894 D 1982417 D Common Stock 2026-05-11 4 M 0 100000 7.26 A 2082417 D Common Stock 2026-05-11 4 S 0 100000 12.0137 D 1982417 D Common Stock 2026-05-11 4 M 0 10313 4.99 A 541252 I By Spouse Common Stock 2026-05-11 4 S 0 10313 10.5129 D 530939 I By Spouse Stock Option (right to buy) 4.99 2026-05-11 4 M 0 32749 0 D 2020-04-13 2026-08-01 Common Stock 32749 0 D Stock Option (right to buy) 7.26 2026-05-11 4 M 0 100000 0 D 2021-04-13 2027-07-31 Common Stock 100000 0 D Stock Option (right to buy) 4.99 2026-05-11 4 M 0 10313 0 D 2020-04-01 2026-08-01 Common Stock 10313 0 I By Spouse The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Reporting Person dated November 4, 2025. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.00 to $10.28, inclusive. The reporting person undertakes to provide to Issuer, any security holder of Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.00 to $12.09, inclusive. The reporting person undertakes to provide to Issuer, any security holder of Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (3) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.50 to $10.53, inclusive. The reporting person undertakes to provide to Issuer, any security holder of Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (4) to this Form 4. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person's spouse dated November 4, 2025. /s/ Douglas Schirle, Attorney-in-Fact 2026-05-12