RANDHAWA SIMRAT

PrivateCIK: 1992260
Location

NEW YORK, NY

RANDHAWA SIMRAT (EVP, Head of R&D) sold 85.3% of their position (23.12K shares) of DIANTHUS THERAPEUTICS, INC. /DE/ on the open market

Open‑market sale worth $2.46M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales
InsiderRANDHAWA SIMRATCIK 1992260
Officer· EVP, Head of R&D
Since Mar 2026
-23.12K
Net shares
Net seller
$2.46M
Total sold
3
Open market trades
0B · 3S
9
Total transactions
23.12K acquired · 46.25K disposed
Non-Derivative Transactions6

Common Stock

Direct
M · Option Exercise

Shares

+7.50K

Price / share

$17.88

Trade value

$134.10K

% of position

187.5%
9/1/2026
4K11.50K

Common Stock

Direct
M · Option Exercise

Shares

+6.25K

Price / share

$21.77

Trade value

$136.04K

% of position

54.3%
9/1/2026
11.50K17.75K

Common Stock

Direct
M · Option Exercise

Shares

+9.38K

Price / share

$22.07

Trade value

$206.91K

% of position

52.8%
9/1/2026
17.75K27.12K

Common Stock

Direct
S · Sale

Shares

2.60K

Price / share

$105.19

Trade value

$273.49K

% of position

9.6%
9/1/2026
27.12K24.52K

Common Stock

Direct
S · Sale

Shares

7.21K

Price / share

$106.25

Trade value

$766.59K

% of position

29.4%
9/1/2026
24.52K17.31K

Common Stock

Direct
S · Sale

Shares

13.31K

Price / share

$106.74

Trade value

$1.42M

% of position

76.9%
9/1/2026
17.31K4K
Total

Net shares

+0.00

Net value

-$1.98M

Derivative Transactions3

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

7.50K shares

Shares

7.50K

Strike price

17.88

Held after

56.78K

Exercisable

9/1/2026

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

6.25K shares

Shares

6.25K

Strike price

21.77

Held after

41.68K

Exercisable

9/1/2026

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

9.38K shares

Shares

9.38K

Strike price

22.07

Held after

87.50K

Exercisable

9/1/2026