Insider · CIK 0002063881
Tammy J Miller
Files at MDU (MDU RESOURCES GROUP INC), SKYT (SkyWater Technology, Inc). First filing -, latest -.
Tammy J Miller files SEC Form 4 as director at MDU (MDU RESOURCES GROUP INC), and also at SKYT (SkyWater Technology, Inc). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.
A track record needs three past buys with six months of prices behind them; Tammy J Miller has 0, so none is measured yet.
Signals
This insider’s open-market buys and sells, scored.
Transactions
Every row this insider has filed, 2 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Nov 13, 2025 | MDU MDU RESOURCES GROUP INC | AGrant or award Common Stock | +3,031 | $0.00 | $0 | 6,031 | Nov 14, 2025 |
| May 21, 2025 | SKYT SkyWater Technology, Inc | AGrant or award Common Stock | +11,428 | $8.75 | $100k | 11,428 | May 23, 2025 |
Questions about Tammy J Miller
Answered from the filings on this page, as of the latest one.
Is Tammy J Miller buying or selling?
Tammy J Miller has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did Tammy J Miller's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Tammy J Miller has 0.
Where does Tammy J Miller file Form 4?
Tammy J Miller has filed Form 4 at MDU (MDU RESOURCES GROUP INC); SKYT (SkyWater Technology, Inc). 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.