Latest filingSep 11, 2026Most recent Form 4
MDGL
MADRIGAL PHARMACEUTICALS, INC.
NasdaqHealthcarePharmaceutical Preparations
Insider activity for last month from 08/12 to 09/12. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$658M25 sells
Net open-market-$658M3 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period27transactions
- S · Open-market sells · dominant25 · 93%
- A · Grants / awards2 · 7%
Activity by reported role
A joint filing can contribute to multiple roles27transactions
- PRES · dominant24 · 89%
- Director2 · 7%
- GC1 · 4%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (2)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeSibold William JohnCommon Stock · Direct
197,866Sep 11, 2026
Reed John CStock Option (Right to Buy) · Direct
1,078Aug 15, 2026
Reed John CCommon Stock · Direct
647Aug 15, 2026
Kelley Shannon TCommon Stock · Direct
11,474Aug 17, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 12 → Sep 12
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Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
MDGL transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
No transactions match your filtersOnce the backend ingests and parses SEC filings, they will appear here. Try removing a filter or picking a wider date range. | ||||||||||
MADRIGAL PHARMACEUTICALS, INC. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at MADRIGAL PHARMACEUTICALS, INC.?
Sibold William John, Kelley Shannon T, REED JOHN C.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Sibold William John reported a sale on Sep 11, 2026 valued at $6.55M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $6,581,138.22. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.