This cluster groups 2 independently calculated changes: Cash & equivalents decreased 21.8%; Operating cash flow changed across a sign change.
2 evidence-backed components· Semiconductors & Related Devices
RESEARCH SNAPSHOTUltra Clean Holdings, Inc.'s latest supported as-filed period reports revenue of $2.1B. Every value below links to its SEC accession and metric lineage.
The most important deterministic changes, ranked by magnitude, issuer history, persistence, and accounting profile.
This cluster groups 2 independently calculated changes: Cash & equivalents decreased 21.8%; Operating cash flow changed across a sign change.
2 evidence-backed componentsThis cluster groups 2 independently calculated changes: Cash & equivalents decreased 13.8%; Operating cash flow changed across a sign change.
2 evidence-backed componentsInventory changed +67.7% from the comparable as-filed period. The change ranks at the 100th percentile of 4 prior comparable changes.
Each point keeps the date investors could first observe it and its accession.
UCTT · as filed with the SEC · reported-date aware
Direct SEC links, filing dates, report periods, and amendment flags.
0001628280-26-067880SEC ↗8-KOct 27, 2026Period Oct 27, 20260001628280-26-067578SEC ↗4Oct 2, 2026Period Sep 30, 20260000950103-26-015166SEC ↗8-KSep 30, 2026Period Sep 28, 20260001628280-26-063977SEC ↗4Sep 4, 2026Period Aug 31, 20260000950103-26-013632SEC ↗4Sep 2, 2026Period Aug 31, 20260000950103-26-013530SEC ↗8-KAug 14, 2026Period Aug 14, 20260000950103-26-012379SEC ↗Transaction semantics distinguish purchases, sales, awards, exercises, withholding, and derivatives.
| Filed / transacted | Reporting owner | Semantics | Shares | Price | Notional | Source |
|---|---|---|---|---|---|---|
| Sep 30, 2026Filed Oct 2, 2026 | Xiao JinsongChief Executive Officer | Tax WithholdingDirect | 19,188 | $81 | $1.6M | Form 4 ↗ |
| Aug 31, 2026Filed Sep 4, 2026 | Keogh Michael DennisChief Financial Officer | Grant Or AwardDirect | 20,917 | $0 | $0 | Form 4 ↗ |
| Aug 31, 2026Filed Sep 2, 2026 | Cook Christopher SPresident, Products Division | Tax WithholdingDirect | 12,497 | $68 | $847,672 | Form 4 ↗ |
| Jul 2, 2026Filed Jul 7, 2026 | HARDING BRIAN EChief Accounting Officer | Open Market SaleDirect | 440 | $127 | $55,843 | Form 4 ↗ |
| Jul 2, 2026 |
GrossPattern stores immutable raw artifacts, accession-scoped facts, parser and metric versions, dependency edges, quality state, and channel-specific publication rights. A restricted or unknown ancestor blocks the page and API automatically.
SEC source policy ↗Inventory changed +89.2% from the comparable as-filed period. The change ranks at the 100th percentile of 4 prior comparable changes.
Working capital changed +32.0% from the comparable as-filed period. The change ranks at the 100th percentile of 4 prior comparable changes.
Current assets changed +41.7% from the comparable as-filed period. The change ranks at the 100th percentile of 4 prior comparable changes.
Current liabilities changed +36.1% from the comparable as-filed period. The change ranks at the 100th percentile of 4 prior comparable changes.
Current liabilities changed +63.1% from the comparable as-filed period. The change ranks at the 100th percentile of 4 prior comparable changes.
Trade receivables changed +36.5% from the comparable as-filed period. The change ranks at the 100th percentile of 4 prior comparable changes.
Method note “Materiality” here is an analytical magnitude band, not a legal conclusion. Full filing-text semantic changes remain unpublished while excerpt rights and review thresholds are unresolved.
Latest supported period in this snapshot: 2026-09-25. Duration facts use direct quarterly or annual SEC contexts; GrossPattern does not manufacture missing Q4 values.
0001628280-26-054369| HARDING BRIAN EChief Accounting Officer |
| Open Market SaleDirect |
| 2,194 |
| $128 |
| $281,638 |
| Form 4 ↗ |
| Jul 2, 2026Filed Jul 7, 2026 | HARDING BRIAN EChief Accounting Officer | Open Market SaleDirect | 1,203 | $130 | $156,539 | Form 4 ↗ |