MarketPeel
Insider Trading Intelligence
MS

Martin Javier San

ARWR
CHIEF MEDICAL OFFICER · ARROWHEAD PHARMACEUTICALS, INC. · CIK 0001794629
FILING MIX · LIFETIME24%/76%
BUYS
4
SELLS
13
TOTAL VALUE
$4.16M
COMPANIES
2
ACTIVE SINCE
Nov 2020
HOLDINGS NOW
548,497
AVG SELL PX
$47.14
TRADE KIND
SHOWING 17 / 17
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
12 backtested trades · 8 horizons · 3 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Martin Javier San, 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
7d12+41.67%-0.38%+0.01%-0.39%+0.46%
14d12+75.00%+0.95%+0.17%+0.78%-5.04%
30d12+66.67%+9.56%+0.91%+8.65%+1.81%
60d12+50.00%+4.52%+3.68%+0.84%-1.25%
90d12+50.00%-6.50%+4.45%-16.57%-30.00%
180d12(1 pending)+72.73%-20.46%+6.63%-27.09%-36.03%
1y12(1 pending)+90.91%-34.69%+15.57%-50.26%-42.54%
2y12(1 pending)+54.55%-0.01%+33.39%-33.40%-59.26%
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
ARWR · 198,497 shares · as of Jan 5, 2024
051,700103,400155,100206,8002021202220232024SHARES 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 · 4 buys / 13 sellsCOVERAGE · 23 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
LONA
LEONABIO, INC.
PURCHASEGRANT
Stock grant
350,000350,000Apr 9, 2026Apr 13, 2026View →
LONA
LEONABIO, INC.
SALE
CHIEF MEDICAL OFFICER
1,720$5.37$9.2K15,887Mar 4, 2026Mar 5, 2026View →
LONA
LEONABIO, INC.
SALE
CHIEF MEDICAL OFFICER
7,4180Mar 3, 2026Mar 5, 2026View →
LONA
LEONABIO, INC.
PURCHASE
CHIEF MEDICAL OFFICER
7,41817,607Mar 3, 2026Mar 5, 2026View →
ARWR
ARROWHEAD PHARMACEUTICALS, INC.
SALE10b5-1
10b5-1 plan
3,100$35.03$108.6K202,900Jan 5, 2024Jan 5, 2024View →
ARWR
ARROWHEAD PHARMACEUTICALS, INC.
SALE10b5-1
10b5-1 plan
800$34.11$27.3K206,000Jan 5, 2024Jan 5, 2024View →
ARWR
ARROWHEAD PHARMACEUTICALS, INC.
SALE10b5-1
10b5-1 plan
4,403$35.64$156.9K198,497Jan 5, 2024Jan 5, 2024View →
ARWR
ARROWHEAD PHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
75,000206,800Jan 4, 2024Jan 5, 2024View →
ARWR
ARROWHEAD PHARMACEUTICALS, INC.
SALE10b5-1
10b5-1 plan
4,942$29.00$143.3K131,800Nov 20, 2023Nov 21, 2023View →
ARWR
ARROWHEAD PHARMACEUTICALS, INC.
SALE10b5-1
10b5-1 plan
14,758$28.73$424.0K136,742Nov 20, 2023Nov 21, 2023View →
ARWR
ARROWHEAD PHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
60,000151,500Jan 4, 2023Jan 5, 2023View →
ARWR
ARROWHEAD PHARMACEUTICALS, INC.
SALE
Chief Medical Officer
19,300$29.98$578.6K91,700Nov 21, 2022Nov 22, 2022View →
ARWR
ARROWHEAD PHARMACEUTICALS, INC.
SALE
Chief Medical Officer
200$30.62$6.1K91,500Nov 21, 2022Nov 22, 2022View →
ARWR
ARROWHEAD PHARMACEUTICALS, INC.
SALE
Chief Medical Officer
5,696$70.01$398.8K111,100Nov 19, 2021Nov 22, 2021View →
ARWR
ARROWHEAD PHARMACEUTICALS, INC.
SALE
Chief Medical Officer
13,704$69.01$945.7K116,796Nov 19, 2021Nov 22, 2021View →
ARWR
ARROWHEAD PHARMACEUTICALS, INC.
SALE
Chief Medical Officer
100$70.99$7.1K111,000Nov 19, 2021Nov 22, 2021View →
ARWR
ARROWHEAD PHARMACEUTICALS, INC.
SALE
Chief Medical Officer
19,500$69.39$1.35M130,500Nov 19, 2020Nov 20, 2020View →
Other insiders · ARWR
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About this filer
CIK 0001794629
ROLE
Chief Medical Officer
PRIMARY
ARWR
COMPANIES
2
ACTIVE SINCE
Nov 2020
MARKETPEEL · /INSIDER/0001794629DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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