ORBIMED ADVISORS LLC

PrivateCIK: 1055951
Location

NEW YORK, NY

ORBIMED ADVISORS LLC purchased 313.8% of their position (1.33M shares) of ELECTRA THERAPEUTICS, INC. on the open market

Open‑market purchase worth $20.00M — a major conviction buy. The strongest form of insider conviction signal.

P · 2 purchases
InsiderORBIMED ADVISORS LLCCIK 1055951
→
Director
Since Sep 2026
+1.33M
Net shares
Net buyer
$20.00M
Total acquired
2
Open market trades
2B · 0S
10
Total transactions
6.89M acquired · 5.55M disposed
Non-Derivative Transactions6

Common Stock

Indirect
C · Conversion

Shares

+2M

Price / share

—

Trade value

—

% of position

New position
9/21/2026
0.00→2M

Common Stock

Indirect
C · Conversion

Shares

+1.09M

Price / share

—

Trade value

—

% of position

54.3%
9/21/2026
2M→3.09M

Common Stock

Indirect
C · Conversion

Shares

+1.70M

Price / share

—

Trade value

—

% of position

55.1%
9/21/2026
3.09M→4.79M

Common Stock

Indirect
P · Purchase

Shares

+333.33K

Price / share

$15.00

Trade value

$5M

% of position

7.0%
9/21/2026
4.79M→5.13M

Common Stock

Indirect
C · Conversion

Shares

+758.28K

Price / share

—

Trade value

—

% of position

New position
9/21/2026
0.00→758.28K

Common Stock

Indirect
P · Purchase

Shares

+1M

Price / share

$15.00

Trade value

$15M

% of position

131.9%
9/21/2026
758.28K→1.76M
Total

Net shares

+6.89M

Net value

$20M

Derivative Transactions4

Series A Convertible Preferred Stock

Indirect
C · Conversion
Converts to

Common Stock

2M shares

Shares

−2M

Strike price

Held after

0.00

Exercisable

—

9/21/2026

Series B Convertible Preferred Stock

Indirect
C · Conversion
Converts to

Common Stock

1.09M shares

Shares

−1.09M

Strike price

Held after

0.00

Exercisable

—

9/21/2026

Series C Convertible Preferred Stock

Indirect
C · Conversion
Converts to

Common Stock

1.70M shares

Shares

−1.70M

Strike price

Held after

0.00

Exercisable

—

9/21/2026

Series C Convertible Preferred Stock

Indirect
C · Conversion
Converts to

Common Stock

758.28K shares

Shares

−758.28K

Strike price

Held after

0.00

Exercisable

—

9/21/2026
ORBIMED ADVISORS LLC — Insider Transaction (Form 4) Filed Sep 23, 2026 | Finecho