TOP TIERMARKET NEWSWIRE
Movers explained · July 30, 2026

Why Is FORMFACTOR INC (FORM) Stock Moving Today?

By the Top Tier Newswire AI Desk · July 29, 2026 at 12:08 AM ET · reviewed against 5 wire stories

FORMFACTOR INC (FORM) is drawing unusual attention today. Our newswire has captured 5 stories on FORM across 4 sources in the last 36 hours, with AI sentiment reading mixed (avg 55/100).

FORM stock is down 10.70% as of the latest trade at $88.23. The decline comes amid recent insider selling and broader market volatility affecting semiconductor-related stocks. Despite the announcement of a strategic partnership with Keystone Microtech, the stock has faced downward pressure in the session.

What Happened

FormFactor announced an expanded strategic partnership with Keystone Microtech covering probe card assembly, test, and distribution in Taiwan. This collaboration is intended to support next-generation semiconductor technologies. The partnership was highlighted in recent news reports, which noted the potential for enhanced capabilities in the probe card market. However, the stock has moved lower in the session as investors appear to be reassessing the company's outlook in light of recent insider transactions and broader sector trends.

Recent SEC filings show multiple insider sales by FormFactor executives and directors. CEO Mike Slessor sold shares on June 10 and July 15, and director Thomas St Dennis sold on June 15. These transactions have raised questions about internal confidence in the stock. Additionally, congressional trades show former President Donald J. Trump sold between $100,001 and $250,000 in FormFactor shares on May 15. The selling pressure appears to have contributed to the stock's current decline.

What To Watch

FormFactor is scheduled to be added to the US Large-Cap Russell US 1000 Index on June 29. Investors will be watching how this inclusion affects the stock’s liquidity and institutional interest. The company’s upcoming earnings report could also provide clarity on the impact of the Keystone Microtech partnership and overall business momentum.

AI-assisted analysis composed exclusively from headlines and data on the Top Tier newswire. Not financial advice.

FORM by the numbers

Coverage: 5 stories / 4 sourcesAI sentiment: 55/100 (mixed)Mkt cap: $8.1BP/E: 113.652w: $26.08 to $160.27
FORM · Jul 29 session (5-min) · +6.54% vs prior close · updated 6:13 PM ET
$81.49$90.21$98.93prev close $88.23$94.007:45 AM10:21 AM12:57 PM3:33 PM6:10 PM7:45 AM · $90.938:00 AM · $89.558:30 AM · $88.008:45 AM · $88.279:20 AM · $87.509:30 AM · $89.009:35 AM · $88.649:40 AM · $89.259:45 AM · $88.069:50 AM · $87.019:55 AM · $87.0810:00 AM · $87.5810:05 AM · $87.2010:10 AM · $86.6110:15 AM · $87.4110:20 AM · $86.8710:25 AM · $86.6710:30 AM · $87.3910:35 AM · $86.1910:40 AM · $85.5910:45 AM · $85.2810:50 AM · $85.2310:55 AM · $85.4211:00 AM · $85.8211:05 AM · $85.4711:10 AM · $85.1711:15 AM · $84.9011:20 AM · $84.7711:25 AM · $84.3911:30 AM · $84.0411:35 AM · $83.9611:40 AM · $83.8411:45 AM · $83.9511:50 AM · $83.4411:55 AM · $83.5512:00 PM · $83.0612:05 PM · $82.9212:10 PM · $82.4212:15 PM · $82.5212:20 PM · $82.7112:25 PM · $82.6912:30 PM · $82.9112:35 PM · $82.6912:40 PM · $82.5112:45 PM · $82.8612:50 PM · $82.9712:55 PM · $83.481:00 PM · $83.741:05 PM · $84.001:10 PM · $84.381:15 PM · $85.051:20 PM · $85.001:25 PM · $84.811:30 PM · $84.921:35 PM · $84.551:40 PM · $84.741:45 PM · $84.831:50 PM · $84.751:55 PM · $85.282:00 PM · $86.602:05 PM · $87.252:10 PM · $86.402:15 PM · $85.632:20 PM · $85.492:25 PM · $85.122:30 PM · $85.332:35 PM · $85.902:40 PM · $86.552:45 PM · $87.452:50 PM · $88.202:55 PM · $87.923:00 PM · $87.663:05 PM · $87.133:10 PM · $87.283:15 PM · $86.293:20 PM · $85.563:25 PM · $86.273:30 PM · $85.583:35 PM · $84.963:40 PM · $84.753:45 PM · $84.943:50 PM · $83.883:55 PM · $83.344:00 PM · $93.114:05 PM · $95.004:10 PM · $97.894:15 PM · $96.344:20 PM · $97.764:25 PM · $96.014:30 PM · $96.004:35 PM · $97.174:40 PM · $98.004:45 PM · $96.204:50 PM · $97.504:55 PM · $96.275:00 PM · $96.255:05 PM · $96.305:10 PM · $96.325:15 PM · $96.205:20 PM · $92.405:55 PM · $91.906:05 PM · $93.206:10 PM · $94.00
AI sentiment, last 36h · averaged over 5 stories · 55/100 bullish
AI sentiment 55/100 (bullish)0 · bearish50bullish · 100

The headlines behind the move

Story flow · 5 stories on the wire, last 36h · hover or tap a dot for the headline
36h ago24h ago12h agonowMarketChameleon · sentiment 63 · FormFactor Expands Probe Card Expertise Through Strategic Keystone Microtech Partnership Targeting AI and HPC Markets July 29, 2026MarketChameleon · 63FormFactor Expands Probe Card Expertise Through Strategic Keystone Microtech Partnership …StockTitan · sentiment 50 · FormFactor, Inc. Reports 2026 Second Quarter Results | FORM Stock NewsStockTitan · 50FormFactor, Inc. Reports 2026 Second Quarter Results | FORM Stock NewsSEC 8-K · sentiment 50 · FORMFACTOR INC (FORM) files 8-KSEC 8-K · 50FORMFACTOR INC (FORM) files 8-KSeeking Alpha · sentiment 50 · FormFactor, Inc. (FORM) Q2 2026 Earnings Call TranscriptSeeking Alpha · 50FormFactor, Inc. (FORM) Q2 2026 Earnings Call TranscriptSeeking Alpha · sentiment 63 · FormFactor forecasts Q3 2026 EPS of $0.86±$0.09 as Farmers Branch ramp starts in Q4Seeking Alpha · 63FormFactor forecasts Q3 2026 EPS of $0.86±$0.09 as Farmers Branch ramp starts in Q4
10h agoSeeking AlphaBULLISH 63Earnings

FormFactor forecasts Q3 2026 EPS of $0.86±$0.09 as Farmers Branch ramp starts in Q4

FormFactor (FORM) Q2 2026 earnings call recap: record revenue/margins, Q3 guidance, DRAM mix shift, CPO traction and risks.

10h agoSeeking AlphaNEUTRAL 50Earnings

FormFactor, Inc. (FORM) Q2 2026 Earnings Call Transcript

FormFactor, Inc. (FORM) Q2 2026 Earnings Call July 29, 2026 4:25 PM EDTCompany ParticipantsStan Finkelstein - Head of Investor RelationsMike Slessor - CEO,...

14h agoSEC 8-KNEUTRAL 50General

FORMFACTOR INC (FORM) files 8-K

Filed: 2026-07-29 AccNo: 0001039399-26-000030 Size: 578 KB Item 2.02: Results of Operations and Financial Condition Item 9.01: Financial Statements and Exhibits

14h agoStockTitanNEUTRAL 50Earnings

FormFactor, Inc. Reports 2026 Second Quarter Results | FORM Stock News

22h agoMarketChameleonBULLISH 63Product/PR

FormFactor Expands Probe Card Expertise Through Strategic Keystone Microtech Partnership Targeting AI and HPC Markets July 29, 2026

FormFactor has announced the expansion of its strategic partnership with Keystone Microtech, strengthening its position in Taiwan's semiconductor industry and accelerating advanced probe card solutions for AI, HPC, and high-performance applications.

Frequently asked questions

Why is FORM stock moving today?

FORMFACTOR INC (FORM) is drawing unusual attention today. Our newswire has captured 5 stories on FORM across 4 sources in the last 36 hours, with AI sentiment reading mixed (avg 55/100). The most recent driver: "FormFactor forecasts Q3 2026 EPS of $0.86±$0.09 as Farmers Branch ramp starts in Q4" (Seeking Alpha).

Is FORM a buy right now?

Top Tier Newswire does not give financial advice. Our AI sentiment across the last 36 hours of FORM coverage reads 55/100 over 5 stories; treat it as a research signal and do your own diligence.

How fast does this page update?

The data sections refresh continuously as the newswire lands coverage; the written analysis is published once per trading day. Pro subscribers additionally get real-time push alerts, watchlists, and the full live terminal.

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More on FORM: full news and sentiment history. Sentiment scores are AI-derived research signals, not financial advice.

Earlier FORM move explainers: 2026-07-29 · 2026-07-28