MarketPeel
Insider Trading Intelligence
SM

Sylvia Mcbrinn

BCAB
DIRECTOR · BIOATLA, INC. · CIK 0001284666
FILING MIX · LIFETIME100%/0%
BUYS
13
SELLS
0
TOTAL VALUE
$97.1K
COMPANIES
1
ACTIVE SINCE
Jun 2021
HOLDINGS NOW
59,125
AVG SELL PX
TRADE KIND
SHOWING 13 / 13
Trades · vs SPY
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Performance · forward returns vs SPY
7 backtested trades · 8 horizons
Forward-return performance of every backtestable P/S trade by Sylvia Mcbrinn, 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
7d7+71.43%+5.20%-0.74%+5.95%+6.40%
14d7+42.86%+4.53%-2.76%+7.29%+2.58%
30d7+14.29%-10.80%-2.36%-8.44%-3.16%
60d7+57.14%-12.43%+2.45%-14.88%-2.13%
90d7+42.86%-15.79%+3.71%-19.49%-11.30%
180d7+14.29%-42.41%+7.99%-50.40%-65.53%
1y7+14.29%-51.34%+21.91%-73.24%-90.78%
2y7+28.57%+313.63%+48.62%+265.01%-125.65%
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
BCAB · 59,125 shares · as of Jun 18, 2025
014,78129,56344,34459,1252022202320242025SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
FLOW · 13 buys / 0 sellsCOVERAGE · 17 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
BCAB
BIOATLA, INC.
PURCHASEGRANT
Stock grant
23,50059,125Jun 18, 2025Jun 18, 2025View →
BCAB
BIOATLA, INC.
PURCHASE
4,000$2.33$9.3K15,125Dec 26, 2023Dec 26, 2023View →
BCAB
BIOATLA, INC.
PURCHASE
2,000$2.54$5.1K11,125Sep 8, 2023Sep 13, 2023View →
BCAB
BIOATLA, INC.
PURCHASEGRANT
Stock grant
50,00050,000Jun 14, 2023Jun 15, 2023View →
BCAB
BIOATLA, INC.
PURCHASE
4,000$2.35$9.4K19,125Mar 28, 2023Jan 19, 2024View →
BCAB
BIOATLA, INC.
PURCHASE
3,700$8.33$30.8K9,125Dec 19, 2022Dec 19, 2022View →
BCAB
BIOATLA, INC.
PURCHASE
2,000$8.27$16.5K5,425Nov 22, 2022Nov 23, 2022View →
BCAB
BIOATLA, INC.
PURCHASE
1,000$8.20$8.2K3,000Sep 13, 2022Sep 15, 2022View →
BCAB
BIOATLA, INC.
PURCHASE
2,000$8.85$17.7K2,000Sep 12, 2022Sep 15, 2022View →
BCAB
BIOATLA, INC.
PURCHASEGRANT
Stock grant
20,00020,000Jun 16, 2022Jun 17, 2022View →
BCAB
BIOATLA, INC.
PURCHASEGRANT
Stock grant
5,69524,615Jun 16, 2022Jun 17, 2022View →
BCAB
BIOATLA, INC.
PURCHASEGRANT
Stock grant
18,92018,920Jun 15, 2021Jun 17, 2022View →
BCAB
BIOATLA, INC.
PURCHASEGRANT
Stock grant
24,61524,615Jun 15, 2021Jun 16, 2021View →
Other insiders · BCAB
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About this filer
CIK 0001284666
ROLE
Director
PRIMARY
BCAB
COMPANIES
1
ACTIVE SINCE
Jun 2021
MARKETPEEL · /INSIDER/0001284666DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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