Why Simpson Manufacturing Co., Inc. (SSD) stock moved
Updated Oct 8, 2026
Simpson Manufacturing Co., Inc. (SSD) shares rose 0.4% to $171.95 as of October 8, 2026, a slight gain from the prior close of $171.22. BestStocks flagged the session as a major change for SSD. The move is tied to a new SEC filing. Below, we break down what changed for SSD, why it matters for investors, how the stock reacted, and the catalysts on the calendar.
What happened
SEC Filing
Simpson Manufacturing Co., Inc. (SSD) filed a new 8-K on October 6, 2026. The filing's content was not detailed in available sources. SSD is scheduled to report Q3 earnings on October 26, 2026, with consensus EPS estimate of $2.56.
This summary describes the catalyst and move as first detected on Oct 6, 2026, 5:16 PM EDT; the stock has continued trading since, so the current price and percentage move (shown above) may be larger or smaller than the figures here.
FilingsLow confidence
Rel. volume
0.8×
Below Avg
Vs peers
—
No comparable peers
Market cap
$7.1B
New York Stock Exchange
Analyst target
$216
+25.8% vs price
Price chart
Sep 8 – Oct 8
E earnings
F filing
A analyst
V/N other
click a marker to highlight
Change events — click to jump to details
What it means for Simpson Manufacturing Co., Inc. investors
For Simpson Manufacturing Co., Inc. investors, the recent signals are mixed, leaving the near-term picture neutral / mixed. On the constructive side: Material positive event; Positive 0.4% session move. Weighing against that: Simpson Manufacturing (SSD) declined 2.41% to $170.81 following a material event filing (8-K) submitted today, according to SEC filings; SSD moved -2.61% from $192.11 to $187.10 on 2026-07-08. Wall Street's consensus price target sits at $216.25, implying +25.8% upside from $171.95. BestStocks rates the overall signal quality low (42/100). With earnings roughly 18 days out, the next report is the most likely near-term test of the move.
SSD price reaction
SSD last traded at $171.95, up $0.73 (+0.43%) from the previous close of $171.22. The session traded on 0.8× average volume (below avg), so participation was unremarkable. Over the past month the stock has ranged between $170.88 and $178.86, and it currently sits about 13% of the way up that band.
Bullish and bearish analyst opinions on Simpson Manufacturing Co., Inc. (SSD)
The consensus analyst price target on Simpson Manufacturing Co., Inc. (SSD) is $216.25, 25.8% above the recent $171.95. Over the past 90 days analysts logged 0 upgrades, 2 maintains, and 0 downgrades. Here is how the bullish and bearish cases on SSD line up.
▲ The bullish case
+Wall Street's consensus price target of $216.25 implies +25.8% upside from $171.95.
+The Street's most bullish target is $220.00 (+27.9%).
+Material positive event.
+Positive 0.4% session move.
+Positive price momentum.
▼ The bearish case
−Simpson Manufacturing (SSD) declined 2.41% to $170.81 following a material event filing (8-K) submitted today, according to SEC filings.
−SSD moved -2.61% from $192.11 to $187.10 on 2026-07-08.
Bull vs bear balanceNeutral / Mixed
BearishNeutralBullish
Weighing both sides, BestStocks' composite read of recent signals is roughly balanced, as the bull-versus-bear meter above shows. This is an educational summary of the bull and bear case, not investment advice.
Analyst price targets and ratings are FMP consensus figures as of Oct 8, 2026; other aggregators may differ. High and low targets show the range of estimates, not forecasts.
Simpson Manufacturing (SSD) declined 2.41% to $170.81 following a material event filing (8-K) submitted today, according to SEC filings. The substance of the 8-K was not disclosed in available evidence, but the timing and market reaction suggest investor concern about the undisclosed material development.
Material / Earnings2026-09-30-1.8%
Simpson Manufacturing Co., Inc. (SSD) moved -2.25% from $174.82 to $170.88 on September 30, 2026. We checked news, earnings announcements, analyst updates, SEC filings, and corporate actions — no company-specific catalyst was found. The decline coincided with SSD reaching a new 30-day low on volume near its 5-day average.
Material / Earnings2026-09-18-0.7%
Simpson Manufacturing Co., Inc. (SSD) moved −0.74% from $172.51 to $171.23 on 2026-09-18. We checked news, earnings announcements, analyst updates, SEC filings, and corporate actions — no company-specific catalyst was found. The move occurred on elevated volume (2.0× the 5-day average) and brought the stock to a new 30-day low.
Material / Earnings2026-09-14-1.1%
Simpson Manufacturing Co., Inc. (SSD) moved +0.17% from $171.30 to $171.59 on September 14, 2026. We checked news, earnings announcements, analyst updates, filings, and corporate actions — no company-specific catalyst was found. Volume was 1.5x the 5-day average, and the stock reached a new 30-day low, suggesting modest technical pressure.
Material / Earnings2026-09-10-2.4%
Simpson Manufacturing Co., Inc. (SSD) moved -0.70% from $173.64 to $172.43 on 2026-09-10, reaching a new 30-day low on modestly elevated volume (1.5x the 5-day average). We checked news, earnings announcements, analyst updates, SEC filings, and corporate actions — no company-specific catalyst was found.
Material / Earnings2026-09-09-1.3%
Simpson Manufacturing Co., Inc. (SSD) moved -1.39% from $179.11 to $176.62 on 2026-09-09, reaching a new 30-day low. We checked news, earnings announcements, analyst updates, SEC filings, and corporate actions — no company-specific catalyst was found. Volume was 1.5x the 5-day average, modestly elevated.
Material / Earnings2026-09-01-3.2%
Simpson Manufacturing Co., Inc. (SSD) moved −2.31% from $181.03 to $176.85 on September 1, 2026. We checked news, earnings announcements, analyst updates, SEC filings, and corporate actions — no company-specific catalyst was found. The move coincided with a new 30-day low and modestly elevated volume at 1.4x the 5-day average.
Material / Earnings2026-08-18-3.1%
Simpson Manufacturing Co., Inc. (SSD) moved -3.05% from $195.81 to $189.84 on 2026-08-18. We checked news, earnings announcements, analyst updates, SEC filings, and corporate actions — no company-specific catalyst was found. Volume remained near its 5-day average.
In-depth SSD event analyses
Permanent, dated analyses of SSD's most significant sessions.
Why did Simpson Manufacturing Co., Inc. (SSD) stock move?
SSD rose 0.4% to $171.95. The move is associated with a new SEC filing.
How much did SSD stock rise?
SSD gained 0.43% ($0.73) versus the prior close of $171.22, last trading at $171.95 on 0.8× average volume.
When is Simpson Manufacturing Co., Inc.'s next earnings date?
SSD's next earnings report is estimated for 2026-10-26 — about 18 days away.
What is the analyst price target for SSD?
The consensus analyst price target for SSD is $216.25, about 25.8% above the current $171.95. Over the past 90 days, analysts recorded 0 upgrades, 2 maintains, and 0 downgrades.
How BestStocks tracks SSD
This page is generated automatically by BestStocks' change-detection system after a new SEC filing was detected and verified against independent data sources. It draws on 20 tracked change events for SSD, cross-checked against the data sources listed below. Price, volume, and market-capitalization figures are the live intraday quote as of October 8, 2026 and refresh as new information is detected; for companies with multiple share classes, market-cap figures can differ by data source. Analyst price targets and ratings are FMP consensus. This is an educational summary of what changed and why — not personalized investment advice.