MKSIMKS Inc.
Technology · Scientific & Technical InstrumentsNasdaqStockMkt cap $18.1B
Disclosed trades
6
0 in 30d · 0 in 90d
Politicians
2
Last trade Oct 31, 2025
Buys
3
$24K at range midpoints
Sells
3
$24K at range midpoints
Closing price · 365 days
Nov 7, 2025 – Nov 6, 2026
Monthly buys vs sells · 24 months
Counts of disclosed transactions
- Buys
- Sells (incl. partial)
Politicians who traded it
1 hold it now Estimated
| Politician | Seat | Trades | Buys | Sells | Bought (mid) | Sold (mid) | Last trade | Est. position Estimated |
|---|---|---|---|---|---|---|---|---|
| RLisa C. McClain | House · MI-09 | 4 | 2 | 2 | $16K | $16K | Oct 31, 2025 | $5.7K |
| RTommy Tuberville | Senate · AL | 3 | 1 | 2 | $8K | $16K | Apr 3, 2023 | — |
Recent trades
| Politician | Ticker | Asset | Type | Owner | Amount | vs S&P Estimated | Traded | Filed | Source |
|---|---|---|---|---|---|---|---|---|---|
| RLisa C. McClain | MKSI | MKS Inc. - Common Stock (MKSI) | Sell | Spouse | $1,001 - $15,000 | -21.9% | Oct 31, 2025 | Nov 21, 202521d | Filing |
| RLisa C. McClain | MKSI | MKS Inc. - Common Stock (MKSI) | Buy | Spouse | $1,001 - $15,000 | +21.9% | Oct 30, 2025 | Nov 21, 202522d | Filing |
| RLisa C. McClain | MKSI | MKS Inc. - Common Stock (MKSI) | Sell | Spouse | $1,001 - $15,000 | -21.9% | Oct 30, 2025 | Nov 21, 202522d | Filing |
| RLisa C. McClain | MKSI | MKS Inc. - Common Stock (MKSI) | Buy | Spouse | $1,001 - $15,000 | +55.2% | Aug 4, 2025 | Sep 12, 202539d | Filing |
| RTommy Tuberville | MKSI | MKS Instruments, Inc. - Common Stock | SellRestated | Joint | $1,001 - $15,000 | -55.8% | Apr 3, 2023 | May 12, 202339d | Filing |
| RTommy Tuberville | MKSI | MKS Instruments, Inc. - Common Stock | Sell | Joint | $1,001 - $15,000 | -55.9% | Apr 3, 2023 | May 11, 202338d | Filing |
| RTommy Tuberville | MKSI | MKS Instruments, Inc. - Common Stock | Buy | Joint | $1,001 - $15,000 | -7.2% | Mar 30, 2022 | Apr 8, 20229d | Filing |
Unusual activity Estimated
- 51Hindsight movePublic Sep 16, 2025 · traded Aug 4, 2025
MKSI rose 26% in the 30 trading days after Rep. Lisa C. McClain's spouse's buy (hindsight)
Details
- Politician
- Lisa C. McClain
- Ticker
- MKSI
- Asset
- MKS Inc. - Common Stock (MKSI)
- Tx type
- buy
- Traded
- Aug 4, 2025
- Filed
- Sep 12, 2025
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 39
- Owner type
- spouse
- Is whale
- No
- Entry date
- Aug 4, 2025
- Entry close
- 94
- Exit date
- Sep 16, 2025
- Exit close
- 118.35
- Forward return
- +25.9%
- Sign adjusted return
- +25.9%
- N trading days
- 30
- Hindsight
- Yes
- Measured from
- trade date
- Public from
- Sep 16, 2025
- Method version
- 2026-11-03