MarketPeel
Insider Trading Intelligence
BT

Barbara Trebbi

AAMI
DIRECTOR · ACADIAN ASSET MANAGEMENT INC. · CIK 0001730619
FILING MIX · LIFETIME56%/44%
BUYS
5
SELLS
4
TOTAL VALUE
$496.3K
COMPANIES
1
ACTIVE SINCE
May 2025
HOLDINGS NOW
28,797
AVG SELL PX
$51.22
TRADE KIND
SHOWING 9 / 9
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
1 backtested trades · 8 horizons · 3 pending
Forward-return performance of every backtestable P/S trade by Barbara Trebbi, 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
7d1+0.00%+0.62%-1.34%+1.96%+1.96%
14d1+0.00%+5.33%-0.69%+6.02%+6.02%
30d1+100.00%-2.58%-3.77%+1.19%+1.19%
60d1+0.00%+19.97%-1.83%+21.80%+21.80%
90d1+0.00%+40.22%+6.82%+33.40%+33.40%
180d1(1 pending)
1y1(1 pending)
2y1(1 pending)
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
AAMI · 28,797 shares · as of Jun 15, 2026
011,36622,73134,09745,4622026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2025
2025
2025
2026
2026
FLOW · 5 buys / 4 sellsCOVERAGE · 5 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
AAMI
ACADIAN ASSET MANAGEMENT INC.
SALEGRANT
Gift
10,26028,797Jun 15, 2026Jun 15, 2026View →
AAMI
ACADIAN ASSET MANAGEMENT INC.
PURCHASEGRANT
Gift
10,26010,260Jun 15, 2026Jun 15, 2026View →
AAMI
ACADIAN ASSET MANAGEMENT INC.
PURCHASEGRANT
Stock grant
1,2881,288Jun 12, 2026Jun 15, 2026View →
AAMI
ACADIAN ASSET MANAGEMENT INC.
PURCHASE
3,28639,057May 14, 2026May 18, 2026View →
AAMI
ACADIAN ASSET MANAGEMENT INC.
SALE
3,2860May 14, 2026May 18, 2026View →
AAMI
ACADIAN ASSET MANAGEMENT INC.
SALE
9,691$51.22$496.3K35,771Feb 10, 2026Feb 12, 2026View →
AAMI
ACADIAN ASSET MANAGEMENT INC.
PURCHASEGRANT
Stock grant
3,2863,286May 14, 2025May 15, 2025View →
AAMI
ACADIAN ASSET MANAGEMENT INC.
PURCHASE
4,43745,462May 13, 2025May 15, 2025View →
AAMI
ACADIAN ASSET MANAGEMENT INC.
SALE
4,4370May 13, 2025May 15, 2025View →
Other insiders · AAMI
Loading peer insiders…
About this filer
CIK 0001730619
ROLE
Director
PRIMARY
AAMI
COMPANIES
1
ACTIVE SINCE
May 2025
MARKETPEEL · /INSIDER/0001730619DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
FREE · DAILY · 6 AM ET

One short email. Insider buys, congressional trades, and plain-English analysis.

Feedback