MarketPeel
Insider Trading Intelligence
GR

Geoffrey G. Ribar

MTSI
DIRECTOR · MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC. · CIK 0001247434
FILING MIX · LIFETIME64%/36%
BUYS
23
SELLS
13
TOTAL VALUE
$4.78M
COMPANIES
4
ACTIVE SINCE
Mar 2020
HOLDINGS NOW
256,590
AVG SELL PX
$40.17
TRADE KIND
SHOWING 36 / 36
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
10 backtested trades · 8 horizons · 8 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Geoffrey G. Ribar, 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
7d10+50.00%-1.23%+0.47%-1.70%-1.10%
14d10+80.00%-3.48%+0.56%-5.03%-3.37%
30d10+90.00%-5.62%-0.95%-4.67%-3.65%
60d10+60.00%-7.45%+0.03%-7.49%-5.99%
90d10(1 pending)+55.56%-2.02%+1.66%-10.48%-9.32%
180d10(2 pending)+50.00%+0.83%+10.74%-9.90%-8.39%
1y10(2 pending)+50.00%+7.06%+16.54%-9.48%-3.00%
2y10(3 pending)+14.29%+45.85%+33.45%+12.40%+1.56%
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
MTSI · 12,563 shares · as of May 11, 2026
07,30514,61021,91429,219202120222023202420252026SHARES 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 · 23 buys / 13 sellsCOVERAGE · 26 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
QS
QUANTUMSCAPE CORP
PURCHASEGRANT
Stock grant
24,18360,285Jun 3, 2026Jun 5, 2026View →
MRAM
EVERSPIN TECHNOLOGIES INC.
PURCHASEGRANT
Stock grant
3,85297,915May 21, 2026May 22, 2026View →
MRAM
EVERSPIN TECHNOLOGIES INC.
SALE
27,488$28.87$793.6K94,063May 20, 2026May 21, 2026View →
MTSI
MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC.
SALE
1,623$361.84$587.3K12,563May 11, 2026May 13, 2026View →
MTSI
MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC.
PURCHASEGRANT
Stock grant
77614,186Mar 6, 2026Mar 10, 2026View →
MTSI
MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC.
SALE
2,244$253.59$569.1K13,410Feb 25, 2026Feb 27, 2026View →
QS
QUANTUMSCAPE CORP
PURCHASEGRANT
Stock grant
29,87829,878Jan 29, 2026Jan 30, 2026View →
QS
QUANTUMSCAPE CORP
PURCHASEGRANT
Stock grant
6,22436,102Jan 29, 2026Jan 30, 2026View →
ACTG
ACACIA RESEARCH CORP
PURCHASEGRANT
Stock grant
32,17285,827May 30, 2025Jun 3, 2025View →
MRAM
EVERSPIN TECHNOLOGIES INC.
PURCHASEGRANT
Stock grant
20,325121,551May 22, 2025May 27, 2025View →
MTSI
MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC.
PURCHASEGRANT
Stock grant
1,62315,654Mar 7, 2025Mar 11, 2025View →
MTSI
MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC.
SALE
6,656$121.61$809.4K14,031Feb 12, 2025Feb 14, 2025View →
ACTG
ACACIA RESEARCH CORP
PURCHASEGRANT
Stock grant
23,12153,655Jun 7, 2024Jun 11, 2024View →
MRAM
EVERSPIN TECHNOLOGIES INC.
PURCHASEGRANT
Stock grant
20,973101,226May 23, 2024May 31, 2024View →
MTSI
MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC.
SALE
3,500$103.84$363.4K20,687May 7, 2024May 9, 2024View →
MRAM
EVERSPIN TECHNOLOGIES INC.
SALE10b5-1
10b5-1 plan
7,856$8.50$66.8K80,253Mar 13, 2024Mar 13, 2024View →
MTSI
MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC.
PURCHASEGRANT
Stock grant
2,13824,187Mar 8, 2024Mar 12, 2024View →
MRAM
EVERSPIN TECHNOLOGIES INC.
SALE10b5-1
10b5-1 plan
6,000$8.50$51.0K88,109Mar 6, 2024Mar 6, 2024View →
MTSI
MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC.
SALE
3,861$81.05$312.9K22,049Aug 28, 2023Aug 30, 2023View →
MRAM
EVERSPIN TECHNOLOGIES INC.
PURCHASE
12,000$7.20$86.4K106,109Aug 14, 2023Aug 14, 2023View →
MRAM
EVERSPIN TECHNOLOGIES INC.
SALE
42,000$9.82$412.4K94,109Aug 14, 2023Aug 14, 2023View →
MRAM
EVERSPIN TECHNOLOGIES INC.
SALE
30,0000Aug 14, 2023Aug 14, 2023View →
MRAM
EVERSPIN TECHNOLOGIES INC.
SALE
12,0000Aug 14, 2023Aug 14, 2023View →
MRAM
EVERSPIN TECHNOLOGIES INC.
PURCHASE
30,000$6.89$206.7K136,109Aug 14, 2023Aug 14, 2023View →
ACTG
ACACIA RESEARCH CORP
PURCHASEGRANT
Stock grant
30,53430,534May 26, 2023May 31, 2023View →
MRAM
EVERSPIN TECHNOLOGIES INC.
PURCHASEGRANT
Stock grant
16,57894,109May 23, 2023May 24, 2023View →
MTSI
MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC.
PURCHASEGRANT
Stock grant
2,24425,910Mar 3, 2023Mar 7, 2023View →
MRAM
EVERSPIN TECHNOLOGIES INC.
PURCHASEGRANT
Stock grant
23,40877,531May 25, 2022May 26, 2022View →
MTSI
MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC.
PURCHASEGRANT
Stock grant
2,76823,666Mar 4, 2022Mar 8, 2022View →
MRAM
EVERSPIN TECHNOLOGIES INC.
PURCHASEGRANT
Stock grant
27,99254,123May 10, 2021Nov 18, 2021View →
MTSI
MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC.
SALE
5,414$57.08$309.0K21,708May 3, 2021May 5, 2021View →
MTSI
MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC.
PURCHASEGRANT
Stock grant
2,90327,122Mar 5, 2021Mar 11, 2021View →
MTSI
MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC.
PURCHASEGRANT
Stock grant
2,09320,898Mar 5, 2021Dec 30, 2021View →
MTSI
MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC.
SALE
5,000$42.03$210.2K24,219Aug 4, 2020Aug 6, 2020View →
MRAM
EVERSPIN TECHNOLOGIES INC.
PURCHASEGRANT
Stock grant
20,13126,131May 19, 2020May 20, 2020View →
MTSI
MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC.
PURCHASEGRANT
Stock grant
5,41429,219Mar 6, 2020Mar 10, 2020View →
Other insiders · MTSI
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About this filer
CIK 0001247434
ROLE
Director
PRIMARY
MTSI
COMPANIES
4
ACTIVE SINCE
Mar 2020
MARKETPEEL · /INSIDER/0001247434DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
FREE · DAILY · 6 AM ET

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