Latest filingAug 27, 2026Most recent Form 4
MAIR
Madison Air Solutions Corp
NYSEIndustrialsIndustrial & Commercial Fans & Blowers & Air Purifing Equip
Insider activity for last month from 08/03 to 09/03. 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$21.9B2 buys
Total selling$00 sells
Net open-market+$21.9B6 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 period5transactions
- A · Grants / awards · dominant2 · 40%
- P · Open-market buys2 · 40%
- F · Tax withholding1 · 20%
Activity by reported role
A joint filing can contribute to multiple roles6transactions
- Director · dominant3 · 50%
- 10% owner1 · 17%
- HEAT1 · 17%
- PRES1 · 17%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (6)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeMadison Industries Holdings LLCClass A common stock · Indirect · See Footnote
12,014,417Aug 25, 2026
Gies LarryClass A common stock · Indirect · See Footnote
12,014,417Aug 25, 2026
Larson LeahClass A common stock · Direct
181,331Aug 21, 2026
La Force Andrew Hudson IIIClass A common stock · Direct
36,713Aug 25, 2026
Bertarelli ErnestoClass A Common Stock · Indirect · By K.C. Armada, LP
46,387,522Aug 25, 2026
KC Armada LPClass A Common Stock · Indirect · By K.C. Armada, LP
46,387,522Aug 25, 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 03 → Sep 03
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Top insiders
By absolute net value across the selected period- BE+$219.0M
- LI+$556.8k
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
MAIR 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| MAIR | BERTARELLI ERNESTO | 10% | buy | 8.77M | $21.8B | P | — | 08/27 | 08/25 | |
| MAIR | La Force Andrew Hudson III | DIR | buy | 20.0k | $55.6M | P | — | 08/26 | 08/25 |
Madison Air Solutions Corp Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at Madison Air Solutions Corp?
Gies Larry, Madison Industries Holdings LLC, BERTARELLI ERNESTO, KC Armada LP, La Force Andrew Hudson III, Larson Leah.
When was the latest reported open-market purchase?
Bertarelli Ernesto reported a buy on Aug 25, 2026 valued at $21.8B. Read the SEC filing.
When was the latest reported open-market sale?
No code-S sale is available for this period.
What is the recent purchase and sale balance?
Net open-market buying in the selected period was $219,556,784.28. This describes filed transactions, not a bullish rating.
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.