MarketPeel
Insider Trading Intelligence
CG

Charles Kellogg JR Griffith

CPSH
CHIEF FINANCIAL OFFICER · CPS TECHNOLOGIES CORP/DE/ · CIK 0001775557
FILING MIX · LIFETIME67%/33%
BUYS
37
SELLS
18
TOTAL VALUE
$701.4K
COMPANIES
1
ACTIVE SINCE
Mar 2020
HOLDINGS NOW
81,089
AVG SELL PX
$2.58
TRADE KIND
SHOWING 55 / 55
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
4 backtested trades · 8 horizons · 4 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Charles Kellogg JR Griffith, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d4+75.00%+8.81%+1.10%+7.71%+2.96%
14d4+75.00%+4.79%+1.88%+2.90%+2.73%
30d4+75.00%-3.35%+3.10%-6.45%-3.37%
60d4+75.00%-8.56%+3.91%-12.47%-4.49%
90d4+75.00%-3.14%+6.43%-9.57%-3.13%
180d4+100.00%+1.43%+4.89%-3.46%+17.84%
1y4(1 pending)+100.00%+67.28%+16.46%+50.82%+118.78%
2y4(3 pending)+100.00%-81.49%+9.13%-90.62%-90.62%
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
CPSH · 81,089 shares · as of May 18, 2026
023,75047,50071,25095,000202120222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2020
2020
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 37 buys / 18 sellsCOVERAGE · 26 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASE
CFO
24,500$2.14$52.5K90,899May 18, 2026May 20, 2026View →
CPSH
CPS TECHNOLOGIES CORP/DE/
SALE
CFO
24,500$2.14$52.5K30,500May 18, 2026May 20, 2026View →
CPSH
CPS TECHNOLOGIES CORP/DE/
SALE
CFO
9,810$5.35$52.5K81,089May 18, 2026May 20, 2026View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASE
CFO
25,000$1.55$38.8K75,369May 11, 2026May 12, 2026View →
CPSH
CPS TECHNOLOGIES CORP/DE/
SALE
CFO
8,970$4.32$38.8K66,399May 11, 2026May 12, 2026View →
CPSH
CPS TECHNOLOGIES CORP/DE/
SALE
CFO
25,000$1.55$38.8K55,000May 11, 2026May 12, 2026View →
CPSH
CPS TECHNOLOGIES CORP/DE/
SALE
CFO
15,000$1.55$23.3K80,000Dec 12, 2025Dec 15, 2025View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASE
CFO
15,000$1.55$23.3K56,792Dec 12, 2025Dec 15, 2025View →
CPSH
CPS TECHNOLOGIES CORP/DE/
SALE
CFO
6,423$3.62$23.3K50,369Dec 12, 2025Dec 15, 2025View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASE
CFO
4,000$3.00$12.0K41,792Oct 8, 2025Oct 9, 2025View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASEGRANT
Stock grant
3,500$1.59$5.6K95,000Feb 28, 2025Mar 3, 2025View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASEGRANT
Stock grant
3,500$1.59$5.6K88,000Feb 28, 2025Mar 3, 2025View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASEGRANT
Stock grant
3,500$1.59$5.6K91,500Feb 28, 2025Mar 3, 2025View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASEGRANT
Stock grant
3,500$1.59$5.6K84,500Feb 28, 2025Mar 3, 2025View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASE
CFO
1,000$1.40$1.4K37,792Nov 15, 2024Nov 15, 2024View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASE
CFO
1,000$1.43$1.4K36,792Sep 17, 2024Jul 17, 2024View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASEGRANT
Stock grant
3,000$2.34$7.0K75,000Feb 28, 2024Feb 29, 2024View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASEGRANT
Stock grant
3,000$2.34$7.0K78,000Feb 28, 2024Feb 29, 2024View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASEGRANT
Stock grant
3,000$2.34$7.0K69,000Feb 28, 2024Feb 29, 2024View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASEGRANT
Stock grant
3,000$2.34$7.0K72,000Feb 28, 2024Feb 29, 2024View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASEGRANT
Stock grant
3,000$2.34$7.0K81,000Feb 28, 2024Feb 29, 2024View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASE
CFO
5,000$1.55$7.8K35,792Jul 24, 2023Jul 24, 2023View →
CPSH
CPS TECHNOLOGIES CORP/DE/
SALE
CFO
5,000$1.55$7.8K66,000Jul 24, 2023Jul 24, 2023View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASEGRANT
Stock grant
3,000$2.66$8.0K71,000Apr 25, 2023Apr 26, 2023View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASEGRANT
Stock grant
3,000$2.66$8.0K68,000Apr 25, 2023Apr 26, 2023View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASEGRANT
Stock grant
3,000$2.66$8.0K59,000Apr 25, 2023Apr 26, 2023View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASEGRANT
Stock grant
3,000$2.66$8.0K62,000Apr 25, 2023Apr 26, 2023View →
CPSH
CPS TECHNOLOGIES CORP/DE/
SALE
CFO
3,000$1.55$4.7K56,000Apr 5, 2023Apr 6, 2023View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASE
CFO
3,000$1.49$4.5K27,792Apr 5, 2023Apr 6, 2023View →
CPSH
CPS TECHNOLOGIES CORP/DE/
SALE
CFO
3,000$1.49$4.5K59,000Apr 5, 2023Apr 6, 2023View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASE
CFO
3,000$1.55$4.7K30,792Apr 5, 2023Apr 6, 2023View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASEGRANT
Stock grant
3,000$2.66$8.0K65,000Apr 5, 2023Apr 26, 2023View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASE
CFO
3,000$1.49$4.5K24,792May 4, 2022May 5, 2022View →
CPSH
CPS TECHNOLOGIES CORP/DE/
SALE
CFO
3,000$1.49$4.5K62,000May 4, 2022May 5, 2022View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASE
CFO
1,500$1.55$2.3K21,792May 4, 2022May 5, 2022View →
CPSH
CPS TECHNOLOGIES CORP/DE/
SALE
CFO
1,500$1.55$2.3K65,000May 4, 2022May 5, 2022View →
CPSH
CPS TECHNOLOGIES CORP/DE/
SALE
CFO
5,500$1.55$8.5K61,500Jan 14, 2022Jan 19, 2022View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASE
CFO
5,500$1.55$8.5K20,292Jan 14, 2022Jan 19, 2022View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASEGRANT
Stock grant
1,000$5.11$5.1K72,000May 13, 2021May 17, 2021View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASEGRANT
Stock grant
1,000$5.11$5.1K71,000May 13, 2021May 17, 2021View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASEGRANT
Stock grant
1,000$5.11$5.1K69,000May 13, 2021May 17, 2021View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASEGRANT
Stock grant
1,000$5.11$5.1K70,000May 13, 2021May 17, 2021View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASEGRANT
Stock grant
1,000$5.11$5.1K68,000May 13, 2021May 17, 2021View →
CPSH
CPS TECHNOLOGIES CORP/DE/
SALE
CFO
684$11.33$7.7K14,792Apr 9, 2021Apr 13, 2021View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASE
CFO
5,000$1.55$7.8K15,476Apr 9, 2021Apr 13, 2021View →
CPSH
CPS TECHNOLOGIES CORP/DE/
SALE
CFO
5,000$1.55$7.8K67,000Apr 9, 2021Apr 13, 2021View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASE
CFO
3,000$1.49$4.5K12,976Mar 3, 2021Mar 4, 2021View →
CPSH
CPS TECHNOLOGIES CORP/DE/
SALE
CFO
2,500$17.85$44.6K10,476Mar 3, 2021Mar 4, 2021View →
CPSH
CPS TECHNOLOGIES CORP/DE/
SALE
CFO
3,000$1.49$4.5K72,000Mar 3, 2021Mar 4, 2021View →
CPSH
CPS TECHNOLOGIES CORP/DE/
SALE
Chief Financial Officer
7,524$3.09$23.2K9,976Nov 23, 2020Nov 24, 2020View →
CPSH
CPS TECHNOLOGIES CORP/DE/
SALE
Chief Financial Officer
15,000$1.55$23.3K75,000Nov 23, 2020Nov 24, 2020View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASE
Chief Financial Officer
15,000$1.55$23.3K17,500Nov 23, 2020Nov 24, 2020View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASEGRANT
Stock grant
500$0.95$4742,500Mar 17, 2020Mar 17, 2020View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASEGRANT
Stock grant
3,000$1.49$4.5K90,000Mar 3, 2020Mar 5, 2020View →
CPSH
CPS TECHNOLOGIES CORP/DE/
PURCHASEGRANT
Stock grant
3,000$1.49$4.5K90,000Mar 3, 2020Mar 5, 2020View →
Other insiders · CPSH
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About this filer
CIK 0001775557
ROLE
Chief Financial Officer
PRIMARY
CPSH
COMPANIES
1
ACTIVE SINCE
Mar 2020
MARKETPEEL · /INSIDER/0001775557DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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