UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

________________

FORM 6-K

________________

REPORT OF FOREIGN PRIVATE ISSUER

Pursuant to Rule 13a-16 or 15d-16

of the Securities Exchange Act of 1934

March 23, 2026

________________

NOVO NORDISK A/S

(Exact name of Registrant as specified in its charter)

Novo Allé 1

DK- 2880, Bagsvaerd

Denmark

(Address of principal executive offices)

________________

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F

Form 20-F ☒

Form 40-F ☐

Novo Nordisk A/S – Share repurchase programme

Bagsværd, Denmark, 23 March 2026 – On 4 February 2026, Novo Nordisk initiated a share repurchase programme in accordance with Article 5 of Regulation No 596/2014 of the European Parliament and Council of 16 April 2014 (MAR) and the Commission Delegated Regulation (EU) 2016/1052 of 8 March 2016 (the "Safe Harbour Rules"). This programme is part of the overall share repurchase programme of up to DKK 15 billion to be executed during a 12-month period beginning 4 February 2026.

Under the programme initiated 4 February 2026, Novo Nordisk will repurchase B shares for an amount up to DKK 3.8 billion in the period from 4 February 2026 to 4 May 2026.

Since the announcement 16 March 2026, the following transactions have been made:

	Number of B shares	Average purchase price	Transaction value, DKK
Accumulated, last announcement	6,577,992		1,783,540,174
16 March 2026	250,000	247.46	61,865,500
17 March 2026	250,000	250.48	62,621,066
18 March 2026	250,000	242.80	60,698,999
19 March 2026	260,000	237.70	61,802,202
20 March 2026	260,000	235.26	61,168,314
Accumulated under the programme	7,847,992		2,091,696,255

The details for each transaction made under the share repurchase programme are published on novonordisk.com.

With the transactions stated above, Novo Nordisk owns a total of 25,237,791 B shares of DKK 0.10 as treasury shares, corresponding to 0.6% of the share capital. The total amount of A and B shares in the company is 4,465,000,000 including treasury shares.

Page 2 of 2

Novo Nordisk expects to repurchase B shares for an amount up to DKK 15 billion during a 12-month period beginning 4 February 2026. As of 20 March 2026, Novo Nordisk has since 4 February 2026 repurchased a total 7,847,992 B shares at an average share price of DKK 266.53 per B share equal to a transaction value of DKK 2,091,696,255.

Novo Nordisk is a leading global healthcare company founded in 1923 and headquartered in Denmark. Our purpose is to drive change to defeat serious chronic diseases built upon our heritage in diabetes. We do so by pioneering scientific breakthroughs, expanding access to our medicines and working to prevent and ultimately cure disease. Novo Nordisk employs about 68,800 people in 80 countries and markets its products in around 170 countries. Novo Nordisk's B shares are listed on Nasdaq Copenhagen (Novo-B). Its ADRs are listed on the New York Stock Exchange (NVO). For more information, visit novonordisk.com, Facebook, Instagram, X, LinkedIn and YouTube.

Contacts for further information

Media:
Ambre James-Brown	Liz Skrbkova (US)
+45 3079 9289	+1 609 917 0632
globalmedia@novonordisk.com	lzsk@novonordisk.com

Investors:
Michael Novod	Jacob Martin Wiborg Rode
+45 3075 6050	+45 3075 5956
nvno@novonordisk.com	jrde@novonordisk.com

Max Ung	Sina Meyer
+45 3077 6414	+45 3079 6656
mxun@novonordisk.com	azey@novonordisk.com

Alex Bruce	Christoffer Sho Togo Tullin
+45 3444 2613	+45 3079 1471
axeu@novonordisk.com	cftu@novonordisk.com

Frederik Taylor Pitter
+1 609 613 0568
fptr@novonordisk.com

Novo Nordisk A/S

Investor Relations

Novo Allé 1

2880 Bagsværd

Denmark

Telephone:

+45 4444 8888

www.novonordisk.com
CVR no: 24 25 67 90

Company announcement No 20 / 2026

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf of the undersigned, thereunto duly authorized.

Date: March 23, 2026

NOVO NORDISK A/S

Maziar Mike Doustdar

Chief Executive Officer

NOVO NORDISK A S 6-K