Insider · CIK 0001771933
Michael Miebach
Files at IBM (INTERNATIONAL BUSINESS MACHINES CORP), MA (Mastercard Inc). First filing Feb 25, 2026, latest Aug 6, 2026.
In brief
Michael Miebach files SEC Form 4 as director, CEO and president at MA (Mastercard Inc), and also at IBM (INTERNATIONAL BUSINESS MACHINES CORP). Since Feb 25, 2026, Michael Miebach has reported 1 open-market buy worth $101k and 2 open-market sells worth $28M, the latest filed on Aug 6, 2026.
A track record needs three past buys with six months of prices behind them; Michael Miebach has 1, so none is measured yet.
The newest scored trade: sold $8.8M of MA on Aug 5, 2026, filed Aug 6, 2026, scored 50 (moderate), under a 10b5-1 plan. In the last 12 months: 1 buy worth $101k and 2 sells worth $28M.
Where the trades landed
Last year at the 2 companies this insider has traded most, with each buy and sell on the bar it happened.
MA: Mastercard Inc
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
IBM: INTERNATIONAL BUSINESS MACHINES CORP
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 50Moderate | Mastercard Inc | $8.8M 15,372 shares | -14% | +21% from low-4% from high | |
| 40Moderate | Mastercard Inc | $19M 33,256 shares | -25% | +22% from low-4% from high | |
| 45Moderate | INTERNATIONAL BUSINESS MACHINES CORP | $101k 434 shares | - | +10% from low-24% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Aug 5, 2026 | MA Mastercard Incorporated | 15,372 0.00% of outstanding | $8.8M | Aug 5, 2026 | $19M |
| Aug 3, 2026 | MA MASTERCARD INC | 16,628 0.00% of outstanding | $9.5M | Aug 3, 2026 | $9.4M |
| Jul 31, 2026 | MA MASTERCARD INC. | 16,628 0.00% of outstanding | $9.6M | Jul 31, 2026 | none |
| Mar 26, 2025 | MA MASTERCARD INCORPORATED | 15,775 0.00% of outstanding | $8.6M | Mar 26, 2025 | $20M |
| Mar 5, 2025 | MA MASTERCARD INCORPORATED | 17,664 0.00% of outstanding | $9.8M | Mar 5, 2025 | $10M |
| Feb 18, 2025 | MA MASTERCARD INCORPORATED | 18,000 0.00% of outstanding | $10M | Feb 18, 2025 | none |
| Mar 15, 2024 | MA MASTERCARD INC CL A | 7,850 0.00% of outstanding | $3.8M | Mar 15, 2024 | $7.4M |
| Mar 1, 2024 | MA MASTERCARD INC CL A | 7,851 0.00% of outstanding | $3.7M | Mar 1, 2024 | $3.7M |
| Feb 16, 2024 | MA MASTERCARD INC CL A | 7,851 0.00% of outstanding | $3.7M | Feb 16, 2024 | none |
Transactions
Every row this insider has filed, 24 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Oct 1, 2026 | MA Mastercard Inc | FTax withholding Class A Common Stock | -530 | $551.66 | $292k | 93,163 | 9 d ago |
| Sep 30, 2026 | IBM INTERNATIONAL BUSINESS MACHINES CORP | AGrant or award Promised Fee Sharederivative | +415 | $219.93 | $91k | 4,724 | 13 d ago |
| Aug 5, 2026 | MA Mastercard Inc | SOpen-market sale Class A Common Stock10b5-1 | -15,372 | $575.00 | $8.8M | 93,693 | Aug 6, 2026 |
| Jul 31, 2026 | MA Mastercard Inc | MOption exercise Class A Common Stock10b5-1 | +16,628 | $227.25 | $3.8M | 132,549 | Aug 4, 2026 |
| Jul 31, 2026 | MA Mastercard Inc | SOpen-market sale Class A Common Stock10b5-1 | -16,628 | $567.68 | $9.4M | 115,921 | Aug 4, 2026 |
| Aug 3, 2026 | MA Mastercard Inc | MOption exercise Class A Common Stock10b5-1 | +9,772 | $227.25 | $2.2M | 125,693 | Aug 4, 2026 |
| Aug 3, 2026 | MA Mastercard Inc | SOpen-market sale Class A Common Stock10b5-1 | -16,628 | $580.00 | $9.6M | 109,065 | Aug 4, 2026 |
| Jul 31, 2026 | MA Mastercard Inc | MOption exercise Employee Stock Option (right to buy)derivative10b5-1 | -16,628 | $0.00 | $0 | 9,772 | Aug 4, 2026 |
| Aug 3, 2026 | MA Mastercard Inc | MOption exercise Employee Stock Option (right to buy)derivative10b5-1 | -9,772 | $0.00 | $0 | 0 | Aug 4, 2026 |
| Jun 30, 2026 | IBM INTERNATIONAL BUSINESS MACHINES CORP | AGrant or award Promised Fee Sharederivative | +325 | $281.21 | $91k | 4,278 | Jul 2, 2026 |
| Mar 31, 2026 | IBM INTERNATIONAL BUSINESS MACHINES CORP | AGrant or award Promised Fee Sharederivative | +377 | $242.39 | $91k | 3,929 | Apr 1, 2026 |
| Mar 1, 2026 | MA Mastercard Inc | FTax withholding Class A Common Stock | -4,651 | $512.76 | $2.4M | 79,822 | Mar 3, 2026 |
| Mar 1, 2026 | MA Mastercard Inc | AGrant or award Class A Common Stock | +11,552 | $0.00 | $0 | 91,374 | Mar 3, 2026 |
| Mar 1, 2026 | MA Mastercard Inc | FTax withholding Class A Common Stock | -17,611 | $512.76 | $9.0M | 73,763 | Mar 3, 2026 |
| Mar 1, 2026 | MA Mastercard Inc | AGrant or award Class A Common Stock | +42,158 | $0.00 | $0 | 115,921 | Mar 3, 2026 |
| Mar 1, 2026 | MA Mastercard Inc | AGrant or award Employee Stock Option (right to buy)derivative | +35,856 | $0.00 | $0 | 35,856 | Mar 3, 2026 |
| Feb 25, 2026 | IBM INTERNATIONAL BUSINESS MACHINES CORP | POpen-market purchase Common Stock | +434 | $233.33 | $101k | 434 | Feb 25, 2026 |
| Dec 31, 2025 | IBM INTERNATIONAL BUSINESS MACHINES CORP | AGrant or award Promised Fee Sharederivative | +309 | $296.21 | $92k | 3,529 | Jan 2, 2026 |
| Oct 1, 2025 | MA Mastercard Inc | FTax withholding Class A Common Stock | -398 | $570.24 | $227k | 84,473 | Oct 3, 2025 |
| Sep 30, 2025 | IBM INTERNATIONAL BUSINESS MACHINES CORP | AGrant or award Promised Fee Sharederivative | +324 | $282.16 | $91k | 3,204 | Oct 1, 2025 |
| Jun 30, 2025 | IBM INTERNATIONAL BUSINESS MACHINES CORP | AGrant or award Promised Fee Sharederivative | +310 | $294.78 | $91k | 2,862 | Jul 1, 2025 |
| Mar 31, 2025 | IBM INTERNATIONAL BUSINESS MACHINES CORP | AGrant or award Promised Fee Sharederivative | +367 | $248.66 | $91k | 2,537 | Apr 1, 2025 |
| Dec 31, 2024 | IBM INTERNATIONAL BUSINESS MACHINES CORP | AGrant or award Promised Fee Sharederivative | +399 | $219.83 | $88k | 2,156 | Jan 2, 2025 |
| Dec 29, 2023 | IBM INTERNATIONAL BUSINESS MACHINES CORP | AGrant or award Promised Fee Sharederivative | +363 | $163.55 | $59k | 363 | Jan 3, 2024 |
Questions about Michael Miebach
Answered from the filings on this page, as of the latest one.
Is Michael Miebach buying or selling?
In the last 12 months Michael Miebach reported 1 open-market buy worth $101k and 2 open-market sells worth $28M on SEC Form 4; the latest was sold $8.8M of MA on Aug 5, 2026. Grants, option exercises and tax withholding are not counted.
How did Michael Miebach's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Michael Miebach has 1.
Where does Michael Miebach file Form 4?
Michael Miebach has filed Form 4 at MA (Mastercard Inc) as President & CEO; IBM (INTERNATIONAL BUSINESS MACHINES CORP). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.