LONG DANIEL D.

PrivateCIK: 2040349
Location

SOUTH SAN FRANCISCO, CA

LONG DANIEL D. (SVP, Drug Discovery) sold 3.3% of their position (3.33K shares) of SEPTERNA, INC. on the open market

Open‑market sale worth $126.1K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderLONG DANIEL D.CIK 2040349
IssuerSEPTERNA, INC.CIK 1984086
Officer· SVP, Drug Discovery
Since Feb 2026
-3.33K
Net shares
Net seller
$126.1K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
3.33K acquired · 6.67K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+3.33K

Price / share

$2.76

Trade value

$9.20K

% of position

3.5%
9/1/2026
96.41K99.75K

Common Stock

Direct
S · Sale

Shares

3.33K

Price / share

$37.83

Trade value

$126.08K

% of position

3.3%
9/1/2026
99.75K96.41K
Total

Net shares

+0.00

Net value

-$116.88K

Derivative Transactions1

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

3.33K shares

Shares

3.33K

Strike price

2.76

Held after

9.09K

Exercisable

9/1/2026