BUDUR KUMAR (CHIEF MEDICAL OFFICER) sold 72.1% of their position (33.95K shares) of HARMONY BIOSCIENCES HOLDINGS, INC. on the open market

Open‑market sale worth $1.45M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 4 sales

BUDUR KUMAR

Filed: 9/9/2026ACC: 0002009762-26-000005

InsiderBUDUR KUMARCIK 2009762

→

IssuerHARMONY BIOSCIENCES HOLDINGS, INC.CIK 1802665

Officer· CHIEF MEDICAL OFFICER

Since May 2023

-33.95K

Net shares

Net seller

$1.45M

Total sold

Open market trades

0B · 4S

Total transactions

22.95K acquired · 56.91K disposed

Non-Derivative Transactions6

Common Stock

Direct

S · Sale

−5.50K

Price / share

$41.98

Trade value

$230.91K

% of position

22.8%

9/4/2026

24.11K→18.61K

Common Stock

Direct

S · Sale

−4.50K

Price / share

$42.25

Trade value

$190.11K

% of position

24.2%

9/8/2026

18.61K→14.12K

Common Stock

Direct

S · Sale

−1K

Price / share

$42.79

Trade value

$42.79K

% of position

7.1%

9/8/2026

14.12K→13.12K

Common Stock

Direct

M · Option Exercise

+12.20K

Price / share

$30.69

Trade value

$374.42K

% of position

93.0%

9/8/2026

13.12K→25.32K

Common Stock

Direct

M · Option Exercise

+10.75K

Price / share

$30.27

Trade value

$325.52K

% of position

42.5%

9/8/2026

25.32K→36.07K

Common Stock

Direct

S · Sale

−22.95K

Price / share

$43.10

Trade value

$989.35K

% of position

63.6%

9/8/2026

36.07K→13.12K

Total

Net shares

−11K

Net value

-$753.23K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	9/4/2026	S · Sale	−5.50K	$41.98	$230.91K	22.8%	24.11K	18.61K
Common Stock Direct	9/8/2026	S · Sale	−4.50K	$42.25	$190.11K	24.2%	18.61K	14.12K
Common Stock Direct	9/8/2026	S · Sale	−1K	$42.79	$42.79K	7.1%	14.12K	13.12K
Common Stock Direct	9/8/2026	M · Option Exercise	+12.20K	$30.69	$374.42K	93.0%	13.12K	25.32K
Common Stock Direct	9/8/2026	M · Option Exercise	+10.75K	$30.27	$325.52K	42.5%	25.32K	36.07K
Common Stock Direct	9/8/2026	S · Sale	−22.95K	$43.10	$989.35K	63.6%	36.07K	13.12K
Total			−11K		-$753.23K

Derivative Transactions2

Stock Option

Direct

M · Option Exercise

Converts to

Common Stock

12.20K shares

−12.20K

Strike price

30.69

Held after

30.30K

Exercisable

—

9/8/2026

Stock Option

Direct

M · Option Exercise

Converts to

Common Stock

10.75K shares

−10.75K

Strike price

30.27

Held after

64.25K

Exercisable

—

9/8/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option Direct	Common Stock12.20K shares	9/8/2026	M · Option Exercise	−12.20K	30.69	—	30.30K
Stock Option Direct	Common Stock10.75K shares	9/8/2026	M · Option Exercise	−10.75K	30.27	—	64.25K