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sellWeak cluster of 7

Robert Gardner Harrison sold $35k of SERA

Chief Information Officer at SERA PROGNOSTICS, INC.. 4,727 shares at an average of $7.32, traded Nov 11, 2024, filed Nov 12, 2024.

Warning score
36
Value
$35k
4,727 shares
Holdings after
131,046
-3% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    Officer
    +15
  • Trade size
    $35k at market
    +6
  • Share of holdings sold
    Sold 3.5% of holdings
    0
  • Cluster
    7 insiders selling within 14 days
    +15

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 +18.0%, 3m -44.3%, 6m -67.5%.

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 Nov 12, 2024: -71.8%SPY +33.4% · excess -105.2%

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 0000950170-24-125644, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Nov 11, 2024SOpen-market sale
Class A Common Stock
-4,727$7.32$35k131,046Nov 12, 2024

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
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%
40Moderate
SERAsell 6
SERA PROGNOSTICS, INC.
Zhenya Lindgardt
Chief Executive Officer
$14k
6,990 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.

Robert Gardner Harrison sold $35k of SERA | InsiderTell