Samsung union confirms 18-day strike starting 5/21: Negotiations to resume after 6/7, HBM supply chain faces further strain

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South Korea's Samsung Electronics largest union, the "Federation of Samsung Electronics Union" (SFEU), has confirmed it will launch an 18-day strike starting May 21, and refuses to resume negotiations before June 7. The union's over 90,000 members account for more than 70% of Samsung's South Korean workforce, with core demands including the removal of the year-end bonus cap and the implementation of a 15% operating profit distribution. (Background: DRAM about to skyrocket! Samsung strike vote ends — better to buy memory than gold right now?) (Context: Memory prices surging too fiercely — Samsung's mobile business may face first-ever net loss in history) After labor-management negotiations at Samsung Electronics officially broke down on May 13, even though management extended an "unconditional dialogue" olive branch, the union has clearly stated it will execute the strike action as planned. The Federation of Samsung Electronics Union (SFEU) responded: "Want to negotiate? Wait until after June 7." This strike, expected to last 18 days, is no longer just a labor dispute, but an ignited supply chain bomb. 18 days, 90,000 people, the negotiation door slammed shut SFEU currently still maintains that the strike will commence on May 21, 2026, and is expected to continue until June 7. With over 90,000 union members, accounting for more than 70% of Samsung's total South Korean workforce, the scale is the largest in Samsung's history. The union's core demands are clear: abolish the year-end bonus cap, and implement a system that distributes 15% of operating profit to employees. It is understood that Samsung has currently initiated a "production reduction warm-up" procedure, lowering fab capacity in advance to prevent quality losses from spiraling out of control during a full work stoppage. Trial strike has left behind data: production line declines are shocking This is not the first time Samsung employees have gone on strike. Data from a previous trial single-day strike has already put the industry on edge: DRAM production line shift output dropped 18%, foundry production line dropped 58%. Now with an 18-day full-scale strike, the industry estimates the scale of impact will be significantly amplified: - Global DRAM supply is estimated to decrease by 3-4% - Global NAND Flash supply is estimated to decrease by 2-3% - Daily losses during the Samsung strike are estimated at hundreds of millions of dollars Additionally, for cloud operators actively expanding AI infrastructure, an 18-day production interruption of HBM (High Bandwidth Memory), combined with the ramp-up time needed to restore capacity, could trigger another wave of panic component hoarding.

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Published:2026-05-15 02:34:05

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