MarketPeel
Insider Trading Intelligence
KO

Kurt Oreshack

MRVI
GENERAL COUNSEL · MARAVAI LIFESCIENCES HOLDINGS, INC. · CIK 0001832579
FILING MIX · LIFETIME61%/39%
BUYS
17
SELLS
11
TOTAL VALUE
$1.13M
COMPANIES
1
ACTIVE SINCE
Nov 2020
HOLDINGS NOW
335,767
AVG SELL PX
$4.47
TRADE KIND
SHOWING 28 / 28
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
2 backtested trades · 8 horizons · 1 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Kurt Oreshack, 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
7d2+100.00%-0.70%+0.30%-0.99%-0.99%
14d2+50.00%-8.72%+1.61%-10.33%-10.33%
30d2+100.00%-12.87%-0.49%-12.38%-12.38%
60d2+100.00%-18.58%-0.32%-18.26%-18.26%
90d2+100.00%-15.21%+0.04%-15.25%-15.25%
180d2+100.00%-6.71%+11.01%-17.72%-17.72%
1y2+100.00%+4.75%+23.20%-18.45%-18.45%
2y2(1 pending)+0.00%-45.80%+14.06%-59.86%-59.86%
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
MRVI · 335,767 shares · as of Jun 10, 2026
0114,217228,435342,652456,869202120222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 17 buys / 11 sellsCOVERAGE · 23 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
MRVI
MARAVAI LIFESCIENCES HOLDINGS, INC.
SALE10b5-1
10b5-1 plan
25,000$5.10$127.5K335,767Jun 10, 2026Jun 10, 2026View →
MRVI
MARAVAI LIFESCIENCES HOLDINGS, INC.
SALE10b5-1
10b5-1 plan
25,000$5.06$126.5K360,767Jun 9, 2026Jun 10, 2026View →
MRVI
MARAVAI LIFESCIENCES HOLDINGS, INC.
PURCHASEGRANT
Stock grant
776$2.84$2.2K385,767May 15, 2026May 22, 2026View →
MRVI
MARAVAI LIFESCIENCES HOLDINGS, INC.
SALE
General Counsel
39,976$3.08$123.1K384,991Mar 16, 2026Mar 17, 2026View →
MRVI
MARAVAI LIFESCIENCES HOLDINGS, INC.
SALE
General Counsel
31,902$3.69$117.7K424,967Jan 15, 2026Jan 20, 2026View →
MRVI
MARAVAI LIFESCIENCES HOLDINGS, INC.
PURCHASEGRANT
Stock grant
295,858456,869Mar 17, 2025Mar 19, 2025View →
MRVI
MARAVAI LIFESCIENCES HOLDINGS, INC.
SALE
General Counsel
4,579$2.64$12.1K161,011Mar 17, 2025Mar 19, 2025View →
MRVI
MARAVAI LIFESCIENCES HOLDINGS, INC.
SALE
General Counsel
2,028$4.10$8.3K165,590Feb 18, 2025Feb 19, 2025View →
MRVI
MARAVAI LIFESCIENCES HOLDINGS, INC.
SALE10b5-1
10b5-1 plan
25,000$5.03$125.8K167,618Jan 31, 2025Jan 31, 2025View →
MRVI
MARAVAI LIFESCIENCES HOLDINGS, INC.
SALE
General Counsel
31,438$4.56$143.4K192,618Jan 15, 2025Jan 17, 2025View →
MRVI
MARAVAI LIFESCIENCES HOLDINGS, INC.
PURCHASEGRANT
Stock grant
366$5.70$2.1K224,056Oct 31, 2024Nov 11, 2024View →
MRVI
MARAVAI LIFESCIENCES HOLDINGS, INC.
PURCHASEGRANT
Stock grant
341$5.70$1.9K223,690Apr 30, 2024May 2, 2024View →
MRVI
MARAVAI LIFESCIENCES HOLDINGS, INC.
SALE
General Counsel
4,551$7.70$35.0K223,349Mar 15, 2024Mar 18, 2024View →
MRVI
MARAVAI LIFESCIENCES HOLDINGS, INC.
SALE
General Counsel
2,322$5.48$12.7K227,900Feb 15, 2024Feb 20, 2024View →
MRVI
MARAVAI LIFESCIENCES HOLDINGS, INC.
PURCHASEGRANT
Stock grant
166,852230,222Jan 16, 2024Jan 18, 2024View →
MRVI
MARAVAI LIFESCIENCES HOLDINGS, INC.
PURCHASEGRANT
Stock grant
1,014$11.72$11.9K63,370Apr 28, 2023Jul 19, 2023View →
MRVI
MARAVAI LIFESCIENCES HOLDINGS, INC.
PURCHASEGRANT
Stock grant
38,38662,356Mar 15, 2023Mar 17, 2023View →
MRVI
MARAVAI LIFESCIENCES HOLDINGS, INC.
PURCHASEGRANT
Stock grant
76,50076,500Mar 15, 2023Mar 17, 2023View →
MRVI
MARAVAI LIFESCIENCES HOLDINGS, INC.
SALE
General Counsel
2,312$15.23$35.2K23,970Feb 15, 2023Feb 17, 2023View →
MRVI
MARAVAI LIFESCIENCES HOLDINGS, INC.
PURCHASEGRANT
Stock grant
351$14.11$5.0K26,282Oct 31, 2022Oct 31, 2022View →
MRVI
MARAVAI LIFESCIENCES HOLDINGS, INC.
PURCHASEGRANT
Stock grant
394$22.95$9.0K25,931Apr 29, 2022Jun 27, 2022View →
MRVI
MARAVAI LIFESCIENCES HOLDINGS, INC.
PURCHASEGRANT
Stock grant
394$22.95$9.0K25,931Apr 29, 2022Apr 29, 2022View →
MRVI
MARAVAI LIFESCIENCES HOLDINGS, INC.
PURCHASEGRANT
Stock grant
31,50031,500Jan 25, 2022Jan 27, 2022View →
MRVI
MARAVAI LIFESCIENCES HOLDINGS, INC.
PURCHASEGRANT
Stock grant
17,00025,537Jan 25, 2022Jan 27, 2022View →
MRVI
MARAVAI LIFESCIENCES HOLDINGS, INC.
PURCHASEGRANT
Stock grant
542$22.95$12.4K8,537Oct 31, 2021Jan 27, 2022View →
MRVI
MARAVAI LIFESCIENCES HOLDINGS, INC.
PURCHASEGRANT
Stock grant
495$22.95$11.4K7,995Apr 30, 2021Jan 27, 2022View →
MRVI
MARAVAI LIFESCIENCES HOLDINGS, INC.
PURCHASE
General Counsel
7,500$27.00$202.5K7,500Nov 24, 2020Nov 25, 2020View →
MRVI
MARAVAI LIFESCIENCES HOLDINGS, INC.
PURCHASEGRANT
Stock grant
40,00040,000Nov 19, 2020Nov 23, 2020View →
Other insiders · MRVI
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About this filer
CIK 0001832579
ROLE
General Counsel
PRIMARY
MRVI
COMPANIES
1
ACTIVE SINCE
Nov 2020
MARKETPEEL · /INSIDER/0001832579DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
FREE · DAILY · 6 AM ET

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