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6-K ·Filed Sep 28, 2026

SILC

SILICOM LTD.
MIXED
Impact 6/10
Horizonweeks Processed28d 19h ago SEC0001178913-26-004620
Notable filing: 6-K
Actionable Insight ◆ Mixed

The massive inventory build ($20.9M) and negative operating cash flow are the key risks to monitor in the next filing. If the inventory is converted to sales in H2 2026, the strong revenue trajectory could drive a path to profitability. Watch for any customer concentration issues with Customer A's 16.4% of sales.

DirectionMixed
Confidencehigh
Horizonweeks
Latest settled — T+20d
SILC ▼ -21.51% at T+20d
NEUTRAL call -21.51% · α vs SPY -21.48% · entry $51.09 → $40.10
Next anchor: T+60d in 8w
Entry = T+0 close
Sep 28, 2026
via day close
T+1d
+0.55%
call +0.55% · α +0.73%
$51.37
settled 28d ago
T+5d
+19.73%
call +19.73% · α +18.53%
$61.17
settled 22d ago
T+20d
-21.51%
call -21.51% · α -21.48%
$40.10
settled 18h ago
T+60d
Pending
in 8w

Price Chart

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Executive Summary

Silicom Ltd. reported H1 2026 results showing a 45.9% YoY revenue surge to $42.9M, driven by design win ramp-ups, while net loss narrowed to $4.5M from $6.1M. However, operating cash flow turned deeply negative at -$16.2M due to a $20.9M inventory build, and gross margin contracted to 29.9% from 30.6%. The company remains unprofitable with negative operating cash flow, but the strong revenue acceleration and improved loss per share (-$0.78 vs -$1.08) signal a potential inflection point if inventory normalization occurs.

Key Facts

  • H1 2026 revenue grew 45.9% YoY to $42,904K from $29,404K
  • Net loss improved to $4,454K from $6,143K YoY
  • Gross margin declined to 29.9% from 30.6% YoY
  • Operating cash flow swung to -$16,197K from +$3,497K YoY
  • Inventories surged to $70,725K from $52,650K at year-end 2025
  • Cash and equivalents fell to $25,146K from $35,156K at year-end 2025
  • Customer A revenue jumped to $7,034K from $1,550K YoY
  • Basic and diluted loss per share improved to ($0.78) from ($1.08)

Financial Impact

Revenue up $13.5M YoY; net loss improved by $1.7M; operating cash burn of $16.2M vs prior year generation of $3.5M

revenuenet lossoperating cash flowgross margininventories

Risk Factors

  • Inventory build of $20.9M may signal demand mismatch or supply chain over-ordering
  • Negative operating cash flow of $16.2M could pressure liquidity if sustained
  • Gross margin compression from 30.6% to 29.9% due to product mix shift
  • Customer concentration: Customer A grew to 16.4% of sales from 5.3% YoY
  • Geopolitical risk from Israel-based operations

Investment Themes

Software & IT

Documents Analyzed

This report is based on 5 SEC documents filed with EDGAR.

DocumentAccession Number
6-K Filing (Primary)0001178913-26-004620
Exhibit: exhibit_99-2.htm0001178913-26-004620
Document: zk2636154.htm0001178913-26-004620
Document: 0001178913-26-004620-index.html0001178913-26-004620
Document: 0001178913-26-004620.txt0001178913-26-004620
25 reports for SILC
Performance horizon
64% Hit rate @ T+60 7 of 11 directional calls Went positive at some point 12 of 15 best @ T+60▲ +86.14%Apr 15, 2026
Filters
Rows
Reports for SILC — sortable, filterable
TypeNow
Oct 1, 2026
25d ago
Press Release
NEUTRAL ★ 1/10
$53.63awaiting T+60—$40.10 (−25.23%)
Oct 1, 2026
25d ago
6-K
NEUTRAL ★ 2/10
$53.63awaiting T+60—$40.10 (−25.23%)
Sep 30, 2026
26d ago
SC 13G
NEUTRAL ★ 3/10
$53.63awaiting T+60—$40.10 (−25.23%)
Sep 28, 2026
28d ago
6-K
MIXED ★ 6/10
$51.09awaiting T+60—$40.10 (−21.51%)
Sep 2, 2026
7w ago
6-K
BULLISH ★ 6/10
$39.51awaiting T+60—$40.10 (+1.51%)
Aug 28, 2026
8w ago
Insider Cluster
BEARISH ★ 5/10
$42.20awaiting T+60—$40.10 (+4.98%)
Aug 18, 2026
9w ago
Insider Cluster
BEARISH ★ 5/10
$45.91awaiting T+60—$40.10 (+12.66%)
Aug 13, 2026
10w ago
Insider Cluster
BEARISH ★ 5/10
$44.89awaiting T+60—$40.10 (+10.67%)
Jul 29, 2026
12w ago
Press Release
BULLISH ★ 7/10
$34.92 $37.62▲ +7.73%▲ +3.00%$40.10 (+14.83%)
Jul 29, 2026
12w ago
6-K
BULLISH ★ 6/10
$34.92 $37.62▲ +7.73%▲ +3.00%$40.10 (+14.83%)
Showing 10 of 25

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Report published Sep 28, 2026