MarketPeel
Insider Trading Intelligence
CP

Christopher Brett Primiano

AURA
CHIEF BUSINESS OFFICER · AURA BIOSCIENCES, INC. · CIK 0001603510
FILING MIX · LIFETIME38%/62%
BUYS
12
SELLS
20
TOTAL VALUE
$6.29M
COMPANIES
2
ACTIVE SINCE
Feb 2020
HOLDINGS NOW
13,273
AVG SELL PX
$18.29
TRADE KIND
SHOWING 32 / 32
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
12 backtested trades · 8 horizons
Forward-return performance of every backtestable P/S trade by Christopher Brett Primiano, 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+83.33%-8.54%-2.98%-5.55%-5.50%
14d12+58.33%-4.56%-5.44%+0.88%-4.30%
30d12+83.33%-10.16%-4.00%-6.16%-11.09%
60d12+66.67%-4.86%+1.06%-5.92%-10.13%
90d12+58.33%-13.88%+6.14%-20.02%-25.63%
180d12+100.00%-35.36%+15.94%-51.30%-58.00%
1y12+100.00%-54.04%+31.58%-85.62%-87.03%
2y12+100.00%-65.71%+29.21%-94.93%-86.23%
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
AURA · 8,750 shares · as of Oct 28, 2021
09,37518,75028,12537,500SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2020
2020
2020
2020
2021
2021
2021
2021
FLOW · 12 buys / 20 sellsCOVERAGE · 8 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILED
AURA
AURA BIOSCIENCES, INC.
PURCHASEGRANT
Stock grant
37,50037,500Oct 28, 2021Oct 29, 2021
AURA
AURA BIOSCIENCES, INC.
PURCHASEGRANT
Stock grant
8,7508,750Oct 28, 2021Oct 29, 2021
KPTI
KARYOPHARM THERAPEUTICS INC.
SALE
EVP, CBO, GC & Secretary
78,124$17.66$1.38M4,523Dec 1, 2020Dec 3, 2020
KPTI
KARYOPHARM THERAPEUTICS INC.
SALE
EVP, CBO, GC & Secretary
78,12446,876Dec 1, 2020Dec 3, 2020
KPTI
KARYOPHARM THERAPEUTICS INC.
PURCHASE
EVP, CBO, GC & Secretary
58,937$10.39$612.4K63,460Dec 1, 2020Dec 3, 2020
KPTI
KARYOPHARM THERAPEUTICS INC.
PURCHASE
EVP, CBO, GC & Secretary
78,124$10.45$816.4K82,647Dec 1, 2020Dec 3, 2020
KPTI
KARYOPHARM THERAPEUTICS INC.
SALE
EVP, CBO, GC & Secretary
58,93716,842Dec 1, 2020Dec 3, 2020
KPTI
KARYOPHARM THERAPEUTICS INC.
SALE
EVP, CBO, GC & Secretary
58,937$17.35$1.02M4,523Dec 1, 2020Dec 3, 2020
KPTI
KARYOPHARM THERAPEUTICS INC.
SALE
EVP, CBO, GC & Secretary
772$14.92$11.5K4,523Nov 2, 2020Nov 4, 2020
KPTI
KARYOPHARM THERAPEUTICS INC.
PURCHASE
EVP, CBO, GC & Secretary
721$10.39$7.5K5,370Oct 13, 2020Oct 14, 2020
KPTI
KARYOPHARM THERAPEUTICS INC.
SALE
EVP, CBO, GC & Secretary
721$17.20$12.4K4,649Oct 13, 2020Oct 14, 2020
KPTI
KARYOPHARM THERAPEUTICS INC.
SALE
EVP, CBO, GC & Secretary
38,55064,250Oct 13, 2020Oct 14, 2020
KPTI
KARYOPHARM THERAPEUTICS INC.
SALE
EVP, CBO, GC & Secretary
72175,779Oct 13, 2020Oct 14, 2020
KPTI
KARYOPHARM THERAPEUTICS INC.
SALE
EVP, CBO, GC & Secretary
38,550$16.85$649.6K4,649Oct 13, 2020Oct 14, 2020
KPTI
KARYOPHARM THERAPEUTICS INC.
PURCHASE
EVP, CBO, GC & Secretary
38,550$9.21$355.0K43,199Oct 13, 2020Oct 14, 2020
KPTI
KARYOPHARM THERAPEUTICS INC.
SALE
EVP, CBO, GC & Secretary
10,0540Sep 8, 2020Sep 10, 2020
KPTI
KARYOPHARM THERAPEUTICS INC.
SALE
EVP, CBO, GC & Secretary
10,054$14.98$150.6K4,649Sep 8, 2020Sep 10, 2020
KPTI
KARYOPHARM THERAPEUTICS INC.
PURCHASE
EVP, CBO, GC & Secretary
10,054$6.54$65.8K14,703Sep 8, 2020Sep 10, 2020
KPTI
KARYOPHARM THERAPEUTICS INC.
SALE
EVP, CBO, GC & Secretary
6,714$19.62$131.7K4,649May 7, 2020May 11, 2020
KPTI
KARYOPHARM THERAPEUTICS INC.
SALE
EVP, CBO, GC & Secretary
2,946$20.00$58.9K4,649May 7, 2020May 11, 2020
KPTI
KARYOPHARM THERAPEUTICS INC.
SALE
EVP, CBO, GC & Secretary
2,94610,054May 7, 2020May 11, 2020
KPTI
KARYOPHARM THERAPEUTICS INC.
PURCHASE
EVP, CBO, GC & Secretary
2,946$6.54$19.3K7,595May 7, 2020May 11, 2020
KPTI
KARYOPHARM THERAPEUTICS INC.
SALE
EVP, CBO, GC & Secretary
26,50076,500Mar 2, 2020Mar 4, 2020
KPTI
KARYOPHARM THERAPEUTICS INC.
SALE
EVP, CBO, GC & Secretary
9,000$24.00$216.0K10,367Mar 2, 2020Mar 4, 2020
KPTI
KARYOPHARM THERAPEUTICS INC.
SALE
EVP, CBO, GC & Secretary
7,500$23.50$176.3K29,367Mar 2, 2020Mar 4, 2020
KPTI
KARYOPHARM THERAPEUTICS INC.
PURCHASE
EVP, CBO, GC & Secretary
26,500$10.39$275.3K36,867Mar 2, 2020Mar 4, 2020
KPTI
KARYOPHARM THERAPEUTICS INC.
SALE
EVP, CBO, GC & Secretary
10,000$28.00$280.0K19,367Mar 2, 2020Mar 4, 2020
KPTI
KARYOPHARM THERAPEUTICS INC.
SALE
EVP, CBO, GC & Secretary
2,961$16.48$48.8K10,367Feb 19, 2020Feb 21, 2020
KPTI
KARYOPHARM THERAPEUTICS INC.
PURCHASE
EVP, CBO, GC & Secretary
9,67513,328Feb 15, 2020Feb 19, 2020
KPTI
KARYOPHARM THERAPEUTICS INC.
SALE
EVP, CBO, GC & Secretary
9,67529,025Feb 15, 2020Feb 19, 2020
KPTI
KARYOPHARM THERAPEUTICS INC.
PURCHASEGRANT
Stock grant
81,20081,200Feb 5, 2020Feb 7, 2020
KPTI
KARYOPHARM THERAPEUTICS INC.
PURCHASEGRANT
Stock grant
30,30030,300Feb 5, 2020Feb 7, 2020
Other insiders · AURA
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About this filer
CIK 0001603510
ROLE
Chief Business Officer
PRIMARY
AURA
COMPANIES
2
ACTIVE SINCE
Feb 2020
MARKETPEEL · /INSIDER/0001603510DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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