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Track record

What happened ~6 months after each disclosed buy

-18.4%avg per buy, ~6 months on+11.9%S&P 500 avg, same spans
CSPI · 2025-05-27 · -24.4% (S&P +13.7%)CSPI · 2025-05-28 · -25.8% (S&P +13.3%)CSPI · 2025-05-29 · -26.8% (S&P +11.9%)CSPI · 2025-06-04 · -19.6% (S&P +12.2%)CSPI · 2025-06-05 · -16.4% (S&P +13.8%)CSPI · 2025-06-06 · -14.0% (S&P +13.4%)CSPI · 2025-06-13 · +2.5% (S&P +14.6%)CSPI · 2025-09-15 · -22.9% (S&P +2.6%)
2025-05-272025-09-15
Each dot: one completed buy’s ~6-month outcome, equal weight per buy · dashed: S&P 500 over the same spans · hover a dot for detail
1 of 8
buys higher ~6mo later
-19.6%
median outcome
+13.4%
S&P 500 median, same spans

8 buys still inside the ~6-month window — not scored yet.

Disclosed positions

Estimated from their latest filings — positions may have changed since

$11.68M
combined est. value
CSPI
CSP INC /MA/
$11.68M
1,418,900 sh

Activity

Open-market buy & sell volume

BuySell
0$78K$157K2025 · bought $123K · sold $020252026 · bought $157K · sold $02026
Total +$279.9K bought
Most bought
CSPI
$279.9K

All filings on record

Every Form 4 transaction we track for this filer

CSPIBuy
2026-06-10 · CSP INC /MA/
$832.00
in progress
CSPIBuy
2026-06-10 · CSP INC /MA/
$588.95
in progress
CSPIBuy
2026-06-09 · CSP INC /MA/
$1.6K
in progress
CSPIBuy
2026-06-09 · CSP INC /MA/
$6.1K
in progress
CSPIBuy
2026-06-08 · CSP INC /MA/
$6.7K
in progress
CSPIBuy
2026-06-08 · CSP INC /MA/
$4.3K
in progress
CSPIBuy
2026-06-08 · CSP INC /MA/
$8.8K
in progress
CSPIBuy
2026-02-25 · CSP INC /MA/
$870.00
in progress
CSPIBuy
2026-02-25 · CSP INC /MA/
$1.8K
in progress
CSPIBuy
2026-02-25 · CSP INC /MA/
$4.4K
in progress
CSPIBuy
2026-02-25 · CSP INC /MA/
$1.8K
in progress
CSPIBuy
2026-02-25 · CSP INC /MA/
$2.7K
in progress
CSPIBuy
2026-02-25 · CSP INC /MA/
$1.8K
in progress
CSPIBuy
2026-02-24 · CSP INC /MA/
$4.4K
in progress
CSPIBuy
2026-02-24 · CSP INC /MA/
$4.4K
in progress
CSPIBuy
2026-02-24 · CSP INC /MA/
$4.3K
in progress
CSPIBuy
2026-02-19 · CSP INC /MA/
$3.7K
in progress
CSPIBuy
2026-02-19 · CSP INC /MA/
$1.0K
in progress
CSPIBuy
2026-02-18 · CSP INC /MA/
$7.3K
in progress
CSPIBuy
2026-02-18 · CSP INC /MA/
$9.2K
in progress
CSPIBuy
2026-02-18 · CSP INC /MA/
$12.0K
in progress
CSPIBuy
2026-02-18 · CSP INC /MA/
$9.3K
in progress
CSPIBuy
2026-02-17 · CSP INC /MA/
$8.2K
in progress
CSPIBuy
2026-02-17 · CSP INC /MA/
$16.6K
in progress
CSPIBuy
2026-02-17 · CSP INC /MA/
$9.3K
in progress

Outcomes measure each disclosed buy against the closing price ~6 months (120 trading days) later, with the S&P 500 over the same span for context. Pre-scheduled 10b5-1 plan trades are excluded from the record. Positions are estimated from the latest reported post-transaction holdings, split-adjusted, at the latest close. Built from SEC Form 4 filings and market prices — past outcomes, not predictions or advice.