Form 4 • Statement of Changes in Beneficial Ownership
Type
Sell
Net shares
-70,453
% of shares
-98.89%
Amount (USD)
$1,979,838
Insider confidence score
8.8 out of 100
Positive
Negative
Security
Common Stock
Action
Exercise
Date
2026-03-02
Code
M
Net shares
+53,714.0
Price per Share
$1.55
Amount (USD)
$83,256.70
Acquired/Disposed
Acquired
Shares Owned Before
793.0
Shares Owned After
54,507.0
Security
Common Stock
Action
Exercise
Date
2026-03-02
Code
M
Net shares
+11,638.0
Price per Share
$2.76
Amount (USD)
$32,120.88
Acquired/Disposed
Acquired
Shares Owned Before
54,507.0
Shares Owned After
66,145.0
Security
Common Stock
Action
Exercise
Date
2026-03-02
Code
M
Net shares
+5,101.0
Price per Share
$2.76
Amount (USD)
$14,078.76
Acquired/Disposed
Acquired
Shares Owned Before
66,145.0
Shares Owned After
71,246.0
Security
Common Stock
Action
Sell
Date
2026-03-02
Code
S
Net shares
-4,090.0
Price per Share
$27.51
Amount (USD)
$112,496.27
Acquired/Disposed
Disposed
Shares Owned Before
71,246.0
Shares Owned After
67,156.0
Security
Common Stock
Action
Sell
Date
2026-03-02
Code
S
Net shares
-66,363.0
Price per Share
$28.14
Amount (USD)
$1,867,342.00
Acquired/Disposed
Disposed
Shares Owned Before
67,156.0
Shares Owned After
793.0
Security
Stock Option (Right to Buy)
Action
Exercise
Date
2026-03-02
Code
M
Net shares
-53,714.0
Acquired/Disposed
Disposed
Shares Owned Before
69,683.0
Shares Owned After
15,969.0
Security
Stock Option (Right to Buy)
Action
Exercise
Date
2026-03-02
Code
M
Net shares
-11,638.0
Acquired/Disposed
Disposed
Shares Owned Before
15,098.0
Shares Owned After
3,460.0
Security
Stock Option (Right to Buy)
Action
Exercise
Date
2026-03-02
Code
M
Net shares
-5,101.0
Acquired/Disposed
Disposed
Shares Owned Before
10,202.0
Shares Owned After
5,101.0
1. Includes 793 shares acquired under the Septerna, Inc. 2024 Employee Stock Purchase Plan on October 31, 2025 in a transaction that was exempt under Rule 16b-3(c).
2. This transaction was effected pursuant to a Rule 10b5-1 sales plan adopted by the Reporting Person on October 31, 2025.
3. The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $26.90 to $27.89. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range.
4. The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $27.90 to $28.70. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range.
5. 25% of the shares underlying this option vested on February 1, 2024, with the remainder vesting in thirty-six substantially equal monthly installments thereafter, subject to the Reporting Person's continuous service the Issuer on each such vesting date.
6. 1/48th of the shares subject to such option vest and become exercisable in substantially equal monthly installments on each monthly anniversary of March 1, 2024, subject to the Reporting Person's continuous service to the Issuer on each such date.
ℹ️ Filed under Rule 10b5-1 trading plan
This page is for informational purposes only. While we strive for accuracy, the summary may contain inaccuracies or omissions. Please refer to the official SEC filing for authoritative information. Open the SEC filing.