THIRD ROCK VENTURES V, L.P.

PrivateCIK: 1778071
Location

BOSTON, MA

THIRD ROCK VENTURES V, L.P. purchased 26.0% of their position (650K shares) of SEPTERNA, INC. on the open market

Open‑market purchase worth $11.70M — a significant purchase. The strongest form of insider conviction signal.

P · 2 purchases
InsiderTHIRD ROCK VENTURES V, L.P.CIK 1778071
IssuerSEPTERNA, INC.CIK 1984086
10% Owner
Since Oct 2024
-57.67M
Net shares
Net seller
$11.70M
Total acquired
2
Open market trades
2B · 0S
6
Total transactions
8.31M acquired · 65.99M disposed
Non-Derivative Transactions4

Common Stock

Direct
C · Conversion

Shares

+4.79M

Price / share

Trade value

% of position

454.4%
10/28/2024
1.05M5.85M

Common Stock

Indirect
C · Conversion

Shares

+2.87M

Price / share

Trade value

% of position

New position
10/28/2024
0.002.87M

Common Stock

Direct
P · Purchase

Shares

+370.50K

Price / share

$18.00

Trade value

$6.67M

% of position

6.3%
10/28/2024
5.85M6.22M

Common Stock

Indirect
P · Purchase

Shares

+279.50K

Price / share

$18.00

Trade value

$5.03M

% of position

9.7%
10/28/2024
2.87M3.15M
Total

Net shares

+8.31M

Net value

$11.70M

Derivative Transactions2

Series A Preferred Stock

Direct
C · Conversion
Converts to

Common Stock

4.79M shares

Shares

41.25M

Strike price

Held after

0.00

Exercisable

10/28/2024

Series B Preferred Stock

Indirect
C · Conversion
Converts to

Common Stock

2.87M shares

Shares

24.74M

Strike price

Held after

0.00

Exercisable

10/28/2024
THIRD ROCK VENTURES V, L.P. — Insider Transaction (Form 4) Filed Oct 28, 2024 | Finecho