Amtech Systems' fiscal third quarter (period ended 6/30/2026) is the moment its AI-advanced-packaging Thermal Processing Solutions (TPS) segment took over the entire company. TPS revenue of $17.7M rose 24.9% year over year, AI-related TPS revenue was up roughly 120% from a year ago, and the segment's Q3 bookings of $24.3M ran at a 1.37x book-to-bill - all against a Semiconductor Fabrication Solutions (SFS) segment whose revenue of $4.6M fell 13.3% and whose operating income swung to a $(0.1)M loss. Consolidated revenue of $22.4M grew 14.5% YoY (high end of guidance), gross margin reached 50.0% (vs 46.7%), GAAP net income of $1.7M (or $0.10/diluted) and Adjusted EBITDA of $3.3M (~15% margin) both cleared guide, and operating cash flow of $1.1M for Q3 (with $7.3M for 9M FY26) suggests the operating turn is structural, not lumpy. The freshest event of the cycle is the post-quarter CEO transition announced 8/4/26: Robert Daigle retired as CEO effective 8/13/26 and Guy Shechter, the President/COO appointed only three months ago in May 2026, was elevated to CEO, while Daigle stays on as Executive Chairman - a deliberate, in-house succession that pairs the AI-advanced-packaging narrative with the operator most visibly championing it on the call.
The thesis is the market is still pricing Amtech as the FY25 SFS-impaired loss-maker, not the FY26 TPS-led operating turn - the 8/13/26 close of $16.00 sits 33% below the 52-week daily-close high of $23.99 (6/12/26) and 217% above the 52-week low of $5.05 (8/14/25), but the trailing GAAP P/E of ~59x on TTM EPS of $0.27 reflects the prior-year impairment quarter sitting in the trailing window, while forward P/E of ~15.7x reflects the un-impairment'd FY26 earnings run-rate of mid-teens Adjusted EBITDA margins the company is now guiding. The 5/2/26 short-dated note from the Q2 call that the China SiC weakness was still dragging SFS has not been re-priced; the 6/3/26 $60M oversubscribed equity raise at $20.50/share (net $56.5M) put Amtech at $83.1M cash vs $17.9M at FY25 year-end and removes any near-term funding concern. The falsification test is not earnings beats - it is whether TPS bookings of $24.3M convert to revenue in line with the Q4 guide of $22.5M–$24.0M and whether the SFS segment's operating loss widens beyond the $0.1M Q3 print as the SiC destock extends. Watch the Q4 print and the September 30, 2026 fiscal year-end 10-K.