William John Sibold - 04 Mar 2026 Form 4 Insider Report for MADRIGAL PHARMACEUTICALS, INC. (MDGL)

Role
President and CEO, Director
Signature
/s/ Mardi Dier, as Attorney-in-Fact
Issuer symbol
MDGL
Transactions as of
04 Mar 2026
Net transactions value
-$718,316
Form type
4
Filing time
06 Mar 2026, 18:49:18 UTC
Previous filing
26 Jan 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Sibold William John President and CEO, Director C/O MADRIGAL PHARMACEUTICALS, INC., 200 BARR HARBOR DRIVE, SUITE 200, WEST CONSHOHOCKEN /s/ Mardi Dier, as Attorney-in-Fact 06 Mar 2026 0001518611

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MDGL Common Stock Award +14,995 +10% $0.000000* 163,492 04 Mar 2026 Direct F1
transaction MDGL Common Stock Sale $718,316 -1,663 -1% $431.94 161,829 06 Mar 2026 Direct F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction MDGL Stock Option (Right to Buy) Award +18,743 $0.000000* 18,743 04 Mar 2026 Common Stock 18,743 $434.80 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents a grant of restricted stock units, which vest as to 25% of the shares on each of March 4, 2027, March 4, 2028, March 4, 2029 and March 4, 2030, provided the Reporting Person continues in service with the Issuer on each such date.
F2 This sale represents the number of shares sold by the Issuer on behalf of the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. This sale was automatic and not at the discretion of the Reporting Person.
F3 The option vests as to 25% of the shares on the first anniversary of the date of grant (March 4, 2027) and, thereafter, 6.25% of the shares shall vest on the last day of each successive three-month period, provided the Reporting Person continues in service with the Issuer on each such date.