Transaction · 0001193125-26-382267

Long Daniel D.

Long Daniel D., SVP, DD, reported a transaction classified as exercise at Septerna, Inc. involving 3333.000000 shares for an estimated $9199.08. Reported holdings after the transaction were 99745.000000 shares. The stored filing text includes a detected 10b5-1 reference.

exerciseSEC transaction code MSVP, DD
SEPNSepterna, Inc.
Filing timeSep 03
Trade dateSep 01, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$40.83
Pre-filing
1mo ago -15.6%1w ago +0.0%1d ago +0.0%
Returns since
7d +0.0%30d +0.0%90d +0.0%180d +0.0%1y +0.0%

SEPN price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
SEPN since 2026-09-03Filed yesterday · 1 day of post-filing data
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
exercise
Code M
Identifier
0001193125-26-382267
Common Stock
Transaction date
Sep 01, 2026
Filed Sep 03, 2026, 11:01 PM · 2d delay
Shares
3.33k sh
$276 per share
Estimated value
$919k
Computed from shares × price
Holdings after
99.7k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Direct Ownership 10b5-1 Detected
0score
Filing-only score

0

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

SVP, Drug Discovery

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    This transaction was effected pursuant to a Rule 10b5-1 sales plan adopted by the Reporting Person on March 20, 2026.

  2. F2

    The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $37.34 to $38.21. The Reporting Person undertakes to provide to the Iss…

  3. F3

    1/48th of the shares subject to such option shall vest and become exercisable in substantially equal monthly installments on each monthly anniversary of March 1, 2024, subject to the Reporting Person'…

Original filing · 0001193125-26-382267
Related transactions

0 other filings

Same reporting owner
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