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 $114.9K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderLONG DANIEL D.CIK 2040349
IssuerSEPTERNA, INC.CIK 1984086
Officer· SVP, Drug Discovery
Since Feb 2026
-3.33K
Net shares
Net seller
$114.9K
Total sold
2
Open market trades
0B · 2S
6
Total transactions
3.33K acquired · 6.67K disposed
Non-Derivative Transactions4

Common Stock

Direct
M · Option Exercise

Shares

+1.82K

Price / share

$2.76

Trade value

$5.01K

% of position

1.9%
8/3/2026
96.41K98.23K

Common Stock

Direct
M · Option Exercise

Shares

+1.52K

Price / share

$2.76

Trade value

$4.19K

% of position

1.5%
8/3/2026
98.23K99.75K

Common Stock

Direct
S · Sale

Shares

1K

Price / share

$33.98

Trade value

$33.98K

% of position

1.0%
8/3/2026
99.75K98.75K

Common Stock

Direct
S · Sale

Shares

2.33K

Price / share

$34.68

Trade value

$80.94K

% of position

2.4%
8/3/2026
98.75K96.41K
Total

Net shares

+0.00

Net value

-$105.72K

Derivative Transactions2

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

1.82K shares

Shares

1.82K

Strike price

2.76

Held after

5.23K

Exercisable

8/3/2026

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

1.52K shares

Shares

1.52K

Strike price

2.76

Held after

12.42K

Exercisable

8/3/2026