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sellWeak cluster of 410b5-1 plan

Elizabeth Bhatt sold $1.1M of SEPN

President and COO at Septerna, Inc.. 25,000 shares at an average of $44.00, traded Aug 11, 2026, filed Aug 13, 2026.

Warning score
30
Value
$1.1M
25,000 shares
Holdings after
174,209
-13% from before
From 52-week low
+337%
low $10.93, close $47.76
From 52-week high
0%
high $47.76, as of Aug 11, 2026

Score components

  • Role
    President
    +20
  • Trade size
    $1.1M at market
    +25
  • Share of holdings sold
    Sold 13% of holdings
    +5
  • Cluster
    4 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -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.

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.

SEPNOct 12, 2026 · close 37.56
Since filing Aug 13, 2026: -16.8%SPY +0.3% · excess -17.1%

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 0001193125-26-349810, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 11, 2026MOption exercise
Common Stock10b5-1
+18,681$6.81$127k192,890Aug 13, 2026
Aug 11, 2026MOption exercise
Common Stock10b5-1
+6,319$2.76$17k199,209Aug 13, 2026
Aug 11, 2026SOpen-market sale
Common Stock10b5-1
-25,000$44.00$1.1M174,209Aug 13, 2026
Aug 11, 2026MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-18,681$0.00$062,230Aug 13, 2026
Aug 11, 2026MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-6,319$0.00$082,332Aug 13, 2026

Related signals

Other insiders at Septerna, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
0Weak
SEPNsell10b5-1
Septerna, Inc.
Daniel D. Long
SVP, Drug Discovery
$126k
3,333 shares
-3%
65Notable
SEPNsell 4
Septerna, Inc.
Ra Capital Management, L.p.
director, owner
$63M
1,493,000 shares
-27%
32Weak
SEPNsell 410b5-1
Septerna, Inc.
Third Rock Ventures V, L.P.
owner
$7.4M
147,200 shares
-2%
5Weak
SEPNsell 410b5-1
Septerna, Inc.
Daniel D. Long
SVP, Drug Discovery
$115k
3,334 shares
-3%
4Weak
SEPNsell 210b5-1
Septerna, Inc.
Elizabeth Bhatt
President and COO
$136k
4,000 shares
-2%
5Weak
SEPNsell 310b5-1
Septerna, Inc.
Daniel D. Long
SVP, Drug Discovery
$115k
3,333 shares
-3%
16Weak
SEPNsell 210b5-1
Septerna, Inc.
Samira Shaikhly
Chief People Officer
$77k
2,178 shares
-73%
11Weak
SEPNsell 210b5-1
Septerna, Inc.
Daniel D. Long
SVP, Drug Discovery
$533k
15,000 shares
-13%
20Weak
SEPNsell 210b5-1
Septerna, Inc.
Samira Shaikhly
Chief People Officer
$219k
6,250 shares
-89%
11Weak
SEPNsell10b5-1
Septerna, Inc.
Samira Shaikhly
Chief People Officer
$172k
5,935 shares
-88%

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.

Elizabeth Bhatt sold $1.1M of SEPN | InsiderTell