RANDHAWA SIMRAT

PrivateCIK: 1992260
Location

NEW YORK, NY

RANDHAWA SIMRAT (EVP, Head of R&D) sold 33.83K shares of DIANTHUS THERAPEUTICS, INC. /DE/ on the open market

Open‑market sale worth $2.76M. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderRANDHAWA SIMRATCIK 1992260
Officer· EVP, Head of R&D
Since Mar 2026
-33.83K
Net shares
Net seller
$2.76M
Total sold
1
Open market trades
0B · 1S
9
Total transactions
33.83K acquired · 67.66K disposed
Non-Derivative Transactions5

Common Stock

Direct
M · Option Exercise

Shares

+8K

Price / share

$8.44

Trade value

$67.50K

% of position

New position
3/12/2026
0.008K

Common Stock

Direct
M · Option Exercise

Shares

+5K

Price / share

$17.88

Trade value

$89.40K

% of position

62.5%
3/12/2026
8K13K

Common Stock

Direct
M · Option Exercise

Shares

+8.33K

Price / share

$21.77

Trade value

$181.39K

% of position

64.1%
3/12/2026
13K21.33K

Common Stock

Direct
M · Option Exercise

Shares

+12.50K

Price / share

$22.07

Trade value

$275.88K

% of position

58.6%
3/12/2026
21.33K33.83K

Common Stock

Direct
S · Sale

Shares

33.83K

Price / share

$81.48

Trade value

$2.76M

% of position

New position
3/12/2026
33.83K0.00
Total

Net shares

+0.00

Net value

-$2.14M

Derivative Transactions4

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

8K shares

Shares

8K

Strike price

8.44

Held after

4K

Exercisable

3/12/2026

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

5K shares

Shares

5K

Strike price

17.88

Held after

71.18K

Exercisable

3/12/2026

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

8.33K shares

Shares

8.33K

Strike price

21.77

Held after

54.17K

Exercisable

3/12/2026

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

12.50K shares

Shares

12.50K

Strike price

22.07

Held after

106.25K

Exercisable

3/12/2026
RANDHAWA SIMRAT — Insider Transaction (Form 4) Filed Mar 13, 2026 | Finecho