Insider Buy ·Filed Sep 18, 2026
Insider cluster: 1 insiders, $57K total
Actionable Insight • Neutral
Treat this as a low-conviction signal — monitor for additional insider buying or a material catalyst before acting.
Latest settled — T+20d
HDSN ▼ -0.96% at T+20d
NEUTRAL call -0.96% · α vs SPY -0.06% · entry $5.19 → $5.14
Latest observation: T+24 +12.27% FF3 residual α
T+1d
+0.77%
call +0.77% · α +0.79%
$5.23
settled 5w ago
T+5d
-1.73%
call -1.73% · α -0.71%
$5.10
settled 5w ago
T+20d
-0.96%
call -0.96% · α -0.06%
$5.14
settled 11d ago
T+60d
Pending
in 7w
Price Chart
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Executive Summary
10% owner Hartree Partners, LP purchased 11,100 shares of HDSN at $5.10 for $57K in an open-market buy. This is a modest conviction buy from a major shareholder, but historical insider buys at HDSN have consistently preceded negative stock movement, suggesting this signal may not be reliable.
Key Financial Metrics
Direction
buying
Total Value
$57.0K
Insiders
1
Key Facts
- Hartree Partners, LP (10% owner) bought 11,100 shares at $5.10 on 2026-09-16
- Total purchase value: $57,000
- Single insider, open-market purchase (code P)
- No other insiders traded in the window
Financial Impact
$57K purchase — less than 0.1% of market cap (estimated ~$326M based on prior data)
insider ownership
Risk Factors
- Single insider buy of $57K is small relative to market cap — may not signal material conviction
- No other insiders joined the purchase, reducing cluster signal strength
Investment Themes
Industrials & Manufacturing
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| INSIDER-BUY Data (Synthetic) | 0000921895-26-002585 |
19 reports for HDSN
63% Hit rate @ T+5 Went positive at some point 7 of 8 best @ T+60▲ +18.96%
Filters
Rows
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 28, 2026 29d ago | Insider Buy | $5.15 $5.31 | ▲ +3.11% | ▲ +1.16% | $5.37 (+4.27%) |
Sep 23, 2026 4w ago | Insider Buy | $5.23 $5.25 | ▲ +0.38% | ▲ +0.80% | $5.37 (+2.68%) |
Sep 18, 2026 5w ago | Insider Buy | $5.19 $5.10 | ▼ −1.73% | ▼ −0.71% | $5.37 (+3.47%) |
Sep 17, 2026 5w ago | Press Release | $5.17 $5.16 | ▼ −0.19% | ▼ −1.46% | $5.37 (+3.87%) |
Aug 26, 2026 8w ago | Insider Buy | $5.48 $5.25 | ▼ −4.20% | ▼ −4.47% | $5.37 (−2.01%) |
Jul 31, 2026 12w ago | Insider Buy | $6.23 $5.70 | ▼ −8.51% | ▼ −10.53% | $5.37 (−13.80%) |
Jul 22, 2026 13w ago | Insider Buy | $6.33 $5.80 | ▼ −8.37% | ▼ −8.85% | $5.37 (−15.17%) |
Jul 8, 2026 15w ago | Insider Buy | $6.41 $6.31 | ▼ −1.56% | ▼ −1.43% | $5.37 (−16.22%) |
Jul 2, 2026 16w ago | Insider Buy | $5.99 $6.41 | ▲ +7.01% | ▲ +6.08% | $5.37 (−10.35%) |
May 21, 2026 22w ago | Insider Cluster | $5.17 $5.37 | ▲ +3.87% | ▲ +2.27% | $5.37 (+3.87%) |
Showing 10 of 19
US Market Status
Market Closed — Opens Wed (13h 4m)
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