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sellWeak cluster of 410b5-1 plan

Austin Aerts sold $20k of SERA

Chief Financial Officer at SERA PROGNOSTICS, INC.. 2,431 shares at an average of $8.06, traded Jan 10, 2025, filed Jan 14, 2025.

Warning score
17
Value
$20k
2,431 shares
Holdings after
283,325
-1% from before
From 52-week low
+15%
low $6.03, close $6.93
From 52-week high
-21%
high $8.78, as of Jan 10, 2025

Score components

  • Role
    CFO
    +22
  • Trade size
    $20k at market
    0
  • Share of holdings sold
    Sold 0.9% of holdings
    0
  • Cluster
    4 insiders selling within 14 days
    +15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m -33.0%, 3m -48.2%, 6m -57.6%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

SERAOct 9, 2026 · close 2.04
Since filing Jan 14, 2025: -68.0%SPY +36.3% · excess -104.3%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0000950170-25-005573, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jan 10, 2025SOpen-market sale
Class A Common Stock10b5-1
-2,431$8.06$20k283,325Jan 14, 2025

Related signals

Other insiders at SERA PROGNOSTICS, INC. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
Pro nowfree Oct 20, 2026
SERAsell
SERA PROGNOSTICS, INC.
Tiffany Eul Davis Inglis
Chief Medical Officer
$16k
8,024 shares
-9%
30Weak
SERAsell 4
SERA PROGNOSTICS, INC.
Dyaarl Lee Anderson Jr.
Chief Commercial Officer
$3,600
1,800 shares
-2%
30Weak
SERAsell 4
SERA PROGNOSTICS, INC.
Tiffany Eul Davis Inglis
Chief Medical Officer
$972
486 shares
-1%
30Weak
SERAsell 4
SERA PROGNOSTICS, INC.
Benjamin Jackson
General Counsel
$4,380
2,190 shares
-1%
40Moderate
SERAsell 4
SERA PROGNOSTICS, INC.
Zhenya Lindgardt
Chief Executive Officer
$14k
7,022 shares
-1%
46Moderate
SERAsell 4
SERA PROGNOSTICS, INC.
Zhenya Lindgardt
Chief Executive Officer
$40k
20,139 shares
-2%
37Weak
SERAsell 6
SERA PROGNOSTICS, INC.
Austin Aerts
Chief Financial Officer
$4,094
2,037 shares
-1%
30Weak
SERAsell 6
SERA PROGNOSTICS, INC.
Dyaarl Lee Anderson Jr.
Chief Commercial Officer
$9,525
4,739 shares
-6%
30Weak
SERAsell 6
SERA PROGNOSTICS, INC.
Tiffany Eul Davis Inglis
Chief Medical Officer
$728
362 shares
-0%
30Weak
SERAsell 6
SERA PROGNOSTICS, INC.
Benjamin Jackson
General Counsel
$4,380
2,179 shares
-1%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Austin Aerts sold $20k of SERA | InsiderTell