THIRD ROCK VENTURES VI, L.P.

PrivateCIK: 1931056
Location

BOSTON, MA

THIRD ROCK VENTURES VI, L.P. purchased 33.0% of their position (1.04M shares) of SEPTERNA, INC. on the open market

Open‑market purchase worth $6.17M — a major conviction buy. The strongest form of insider conviction signal.

P · 2 purchases
IssuerSEPTERNA, INC.CIK 1984086
10% Owner
Since Oct 2024
+1.04M
Net shares
Net buyer
$6.17M
Total acquired
2
Open market trades
2B · 0S
2
Total transactions
1.04M acquired
Non-Derivative Transactions2

Common Stock

Direct
P · Purchase

Shares

+612.67K

Price / share

$5.92

Trade value

$3.63M

% of position

19.4%
2/20/2025
3.15M3.77M

Common Stock

Direct
P · Purchase

Shares

+427.67K

Price / share

$5.94

Trade value

$2.54M

% of position

11.4%
2/21/2025
3.77M4.19M
Total

Net shares

+1.04M

Net value

$6.17M

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect
Shares owned6.22M
Total
6.22M indirect6.22M
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
THIRD ROCK VENTURES VI, L.P. — Insider Transaction (Form 4) Filed Feb 24, 2025 | Finecho