Transactions
4
Insider / AMETEK INC/
MONTGOMERY THOMAS M
SR. VP. - COMPTROLLER at AMETEK INC/
- Company
- AMETEK INC/
- Ticker
- AME
- First filing on record
- December 23, 2025
- Latest trade on record
- December 26, 2025
- SEC filings
- EDGAR ↗
MONTGOMERY THOMAS M, SR. VP. - COMPTROLLER at AMETEK INC/, has disclosed 4 transactions in AME since December 23, 2025: 0 purchases (0 open-market buys) and 1 sale, worth about $1.9M at the reported prices. The latest was filed December 29, 2025, 3 days after the trade.
Open-market buys
0
Sales
1
Avg. disclosure lag
1.5d
Trading in charts
Trade timeline
When does this person trade, how big, and in which direction? Every trade in the last 12 months.
Bought (above the line)Sold (below the line)Other transaction
In the last 12 months MONTGOMERY THOMAS M made no purchases and 1 sale worth $1.3M, plus 3 other transactions. Dot size is the dollar amount.
Portfolio mix
Which stocks does this person trade most? Tile size is dollars traded, all time on record.
MONTGOMERY THOMAS M has traded 1 stock on record; the largest by dollars is AME.
Reporting lag
Does this person report on time? One bar per filing against the Form 4 deadline.
On timeLate
0 of 2 filings on record were reported after the Form 4 deadline (two business days, counted here as 4 calendar days).
What kind of transactions
Most Form 4 rows are pay arriving or tax being withheld, not a decision to buy or sell. Only code P is an open-market purchase and code S an open-market sale. What each code means: Form 4 transaction codes.
| Code | Meaning | Rows | Shares | Value |
|---|---|---|---|---|
| M | Option exercise or conversion | 2 | 12,776 | $546K |
| G | Gift | 1 | 19 | — |
| S | Open-market sale | 1 | 6,388 | $1.3M |
| Year | Rows | Bought | Sold |
|---|---|---|---|
| 2025 | 4 | 0 | 1 · $1.3M |
Transactions
| Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| AME | Other G | December 26, 2025 | December 29, 2025 | 3d | 19 | — | — | Form 4 ↗ | ||
| AME | Option / conversion M | December 22, 2025 | December 23, 2025 | 1d | 6,388 | — | — | derivative | Form 4 ↗ | |
| AME | Sell S | December 22, 2025 | December 23, 2025 | 1d | 6,388 | $205 | $1.3M | Form 4 ↗ | ||
| AME | Option / conversion M | December 22, 2025 | December 23, 2025 | 1d | 6,388 | $85 | $546K | Form 4 ↗ |
Filings
| Filed | Form | Accession | Rows | Status | Source |
|---|---|---|---|---|---|
| December 29, 2025 | Form 4 | 0001037868-25-000105 | 1 | published | EDGAR ↗ |
| December 23, 2025 | Form 4 | 0001037868-25-000103 | 3 | published | EDGAR ↗ |
Other insiders at AMETEK INC/
- ZAPICO DAVID A CHIEF EXECUTIVE OFFICER 17 rows
- Oscher Ronald J CHIEF ADMINISTRATIVE OFFICER 16 rows
- Speranza Emanuela CHIEF COMMERCIAL OFFICER 14 rows
- Hermance David F. PRESIDENT - ELECTROMECHANICAL 12 rows
- Marecic Thomas C PRES. - ELECTRONIC INSTRUMENTS 12 rows
- Stanage Nick L Director 11 rows
- CIAMPITTI TONY J PRES. - ELECTRONIC INSTRUMENTS 9 rows
- Hardin John Wesley PRES. - ELECTRONIC INSTRUMENTS 9 rows
- Amodei Robert Senior VP, Controller 7 rows
- Puri Dalip Executive VP- CFO 7 rows
Everyone on file, with contracts and lobbying under the company's name: AMETEK INC/.
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- Options and derivatives on Form 4 Table I = shares. Table II = options and other derivatives.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| SEC EDGAR, Form 4 | 2 | 4 | December 23, 2025 | December 29, 2025 | Form 4 list on EDGAR |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Every row comes from the reporting owner's Form 4 as filed with the SEC (EDGAR ownership XML), read daily. "Value" is shares × the reported price; code P is an open-market purchase, S a sale, M an option exercise, A a grant. The lag is the filing date minus the trade date; Form 4 is due within two business days. Amendments (4/A) are not merged. Details on the methodology page; report an error on corrections.
Not investment advice. Figures are public disclosures shown as filed; they may lag the trade and may be amended later. No recommendation is made or implied.