Notice of Proposed Sale · 144

Autodesk, Inc.

ADSKNASDAQEQUITYCurrent

Notice of Proposed Sale

Filed Aug 21, 2026Accepted Aug 21, 2026, 4:10 PM EDTFiling CIK 769397Accession 0001950047-26-008505

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Structured filing — 144

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Notice of proposed sale. The proposed amounts below do not establish that a sale occurred.

Proposed-sale notice

Issuer: AUTODESK, INC.
Issuer CIK: 0000769397
SEC file number: 000-14338
Phone: 415-507-5000
Person for whose account securities are to be sold: MILLIGAN FAMILY TRUST
Relationships to issuer: Former Director · affiliate within the past 3 mo.
Street: One Market Street, Ste. 400
City: San Francisco
State / country code: CA
Postal code: 94105

Securities proposed for sale

Securities proposed for sale · 1 reported row
Security	Proposed units	Aggregate market value	Units outstanding	Approximate sale date	Exchange	Broker / market maker
Common	2,000	509,080.00	211,000,000	08/21/2026	NASDAQ	Morgan Stanley Smith Barney LLC Executive Financial Services

Broker / market maker — proposed row 1, entry 1

Name: Morgan Stanley Smith Barney LLC Executive Financial Services
Street: 1 New York Plaza
Street (continued): 8th Floor
City: New York
State / country code: NY
Postal code: 10004

Acquisition of securities to be sold

Acquisition of securities to be sold · 1 reported row
Security	Acquired	Nature of acquisition	Acquired from	Amount acquired	Gift transaction	Payment date	Nature of payment
Common	06/19/2020	Restricted Stock Vesting Under a Registered Plan	Issuer	2,000	N	06/19/2020	Compensation

Sales reported in the preceding three months

Sales reported in the preceding three months · 2 reported rows
Seller	Security	Sale date	Amount sold	Gross proceeds
MILLIGAN FAMILY TRUST	Common	08/18/2026	2,000	500,940.00
MILLIGAN FAMILY TRUST	Common	08/13/2026	2,400	600,000.00

Seller — prior-sale row 1, entry 1

Name: MILLIGAN FAMILY TRUST
Street: One Market Street, Ste. 400
City: San Francisco
State / country code: CA
Postal code: 94105

Seller — prior-sale row 2, entry 1

Name: MILLIGAN FAMILY TRUST
Street: One Market Street, Ste. 400
City: San Francisco
State / country code: CA
Postal code: 94105

Prior-sale reporting

Nothing to report for the preceding three months: N

Notice signature

Notice date: 08/21/2026
Signed: /s/ Stephen D Milligan, Trustee

Company context

The world’s designers, engineers, builders, and creators trust Autodesk to help them design and make anything. From the buildings we live and work in, to the cars we drive and the bridges we drive over. From the products we use and rely on, to the movies and games that inspire us. Autodesk’s Design and Make Platform unlocks the power of data to accelerate insights and automate processes, empowering our customers with the technology to create the world around us and deliver better outcomes for their business and the planet. For more information, visit autodesk.com or follow @autodesk. #MakeAnything

Current securities

ADSKNASDAQ · EQUITY · Current

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