SM
Sean McMasterExec
Level II Department of Transportation · 2025-08 → 2026-05
- Chamber
- Executive branch
- Agency
- Department of Transportation
- Party
- —
- State
- —
- Trades
- 25 (14 buys · 11 sells)
- Estimated volume
- $1.0M
- Late filings
- 100% (12 of 25)
- Median filing lag
- 152 days
Estimated portfolio
Their disclosed buys at today's prices, assuming nothing was sold. Trades are disclosed as ranges, so we use the midpoint.
Headlines
- Portfolio value
- $174K
- from $227K cost
- Estimated gain
- -$53K
- Down 23%
- Versus the S&P 500
- -$75K
- SPY would hold $249K
- Positions
- 5
- from 10 buys
| # | Position | Since | Cost basis | Value today | Gain | Share of portfolio |
|---|---|---|---|---|---|---|
| 1 | GRABGrab Holdings Limited Class A Ordinary Shares | 2025-11-03 | $106K | $70K | -34% | 40% |
| 2 | AMKRAmkor Technology, Inc. | 2025-10-13 | $41K | $44K | +8% | 25% |
| 3 | AMCRAmcor plc | 2025-10-09 | $33K | $37K | +15% | 21% |
| 4 | BMNRbitmine immersion technology | 2025-08-07 | $41K | $18K | -56% | 10% |
| 5 | HOODRobinhood Markets Inc. Class A Common Stock | 2026-01-09 | $8K | $6K | -30% | 3% |
Trades that mattered most
These 8 buys explain 99% of their result against the S&P 500.
| # | Stock | Asset | Bought | Held | Size | Return | vs SPY | Source |
|---|---|---|---|---|---|---|---|---|
| 1 | BMNR | bitmine immersion technology | 2025-08-07 | 1.3y | $15K-50K | -55% | -71% | |
| 2 | GRAB | Grab Holdings Limited Class A Ordinary Shares | 2025-11-03 | 1.0y | $15K-50K | -44% | -51% | |
| 3 | GRAB | Grab Holdings Limited Class A Ordinary Shares | 2025-12-18 | 11mo | $15K-50K | -31% | -39% | |
| 4 | GRAB | Grab Holdings Limited Class A Ordinary Shares | 2026-01-09 | 10mo | $15K-50K | -30% | -36% | |
| 5 | BMNR | bitmine immersion technology | 2025-08-08 | 1.2y | $1K-15K | -64% | -79% | |
| 6 | HOOD | Robinhood Markets Inc. Class A Common Stock | 2026-01-09 | 10mo | $1K-15K | -30% | -36% | |
| 7 | GRAB | Grab Holdings Limited Class A Ordinary Shares | 2026-01-21 | 10mo | $1K-15K | -22% | -30% | |
| 8 | AMCR | Amcor plc | 2025-10-09 | 1.1y | $15K-50K | +15% | +5% |
Returns by stock
Each stock's return since they bought it, next to the S&P 500 over the same days.
Trades by month
Disclosed buys and sells, by the month they were made. Tap or hover for the stocks.
BuysSells
| Month | Buys | Sells |
|---|---|---|
| May 2026 | 1 | 0 |
| Jan 2026 | 4 | 0 |
| Dec 2025 | 1 | 1 |
| Nov 2025 | 1 | 0 |
| Oct 2025 | 4 | 2 |
| Aug 2025 | 3 | 8 |
Buys and sells per month as a CSV, by the month they were made.
All trades
25 of 25
ASGNASGN, Inc.
ASGNASGN, Inc.
ASGNASGN, Inc.
ASGNASGN, Inc.
FPSForgent Power Solution
SM
Sean McMaster
Level II Department of Transportation
Buy$1K-15K
-29.8% vs SPY
GRABGrab Holdings Limited Class A Ordinary Shares
OSSOne Stop Systems Inc. Common Stock
SM
Sean McMaster
Level II Department of Transportation
Buy$1K-15K
-35.7% vs SPY
HOODRobinhood Markets Inc. Class A Common Stock
SM
Sean McMaster
Level II Department of Transportation
Buy$15K-50K
-35.6% vs SPY
GRABGrab Holdings Limited Class A Ordinary Shares
SM
Sean McMaster
Level II Department of Transportation
Buy$15K-50K
-39.4% vs SPY
GRABGrab Holdings Limited Class A Ordinary Shares
SM
Sean McMaster
Level II Department of Transportation
Sell$250K-500K
-27.6% vs SPY
TSLATesla, Inc.
SM
Sean McMaster
Level II Department of Transportation
Buy$15K-50K
-51.4% vs SPY
GRABGrab Holdings Limited Class A Ordinary Shares
SM
Sean McMaster
Level II Department of Transportation
Buy$1K-15K
-1.3% vs SPY
AMKRAmkor Technology, Inc.
SM
Sean McMaster
Level II Department of Transportation
Sell$15K-50K
+1.6% vs SPY
AMCRAmcor plc
SM
Sean McMaster
Level II Department of Transportation
Buy$15K-50K
-3.1% vs SPY
AMKRAmkor Technology, Inc.
SM
Sean McMaster
Level II Department of Transportation
Sell$50K-100K
-69.3% vs SPY
MSTRMicroStrategy, Inc.
SM
Sean McMaster
Level II Department of Transportation
Buy$15K-50K
+5.2% vs SPY
AMCRAmcor plc
ETHZETHZilla Corp
SM
Sean McMaster
Level II Department of Transportation
Sell$50K-100K
-72.8% vs SPY
COINCoinbase Global Inc. Class A Common Stock
ATNF180 Life Sciences Corp. Common Stock (ATNF) See Endnote
SM
Sean McMaster
Level II Department of Transportation
Buy$1K-15K
-78.9% vs SPY
BMNRbitmine immersion technology
SMLRSemler Scientific Inc. Common Stock
ARGTGlobal X MSCI Argentina ETF
SM
Sean McMaster
Level II Department of Transportation
Sell$1K-15K
-14.4% vs SPY
MSFTMicrosoft Corp.
SM
Sean McMaster
Level II Department of Transportation
Buy$15K-50K
-70.9% vs SPY
BMNRbitmine immersion technology
| Asset | Source | |||||||
|---|---|---|---|---|---|---|---|---|
SM Sean McMaster Level II Department of Transportation | ASGN, Inc. | Sell | $1K-15K | 2025-08-22 | 2026-09-09 383d | — | ||
SM Sean McMaster Level II Department of Transportation | ASGN, Inc. | Sell | $1K-15K | 2025-08-22 | 2026-09-09 383d | — | ||
SM Sean McMaster Level II Department of Transportation | ASGN, Inc. | Sell | $15K-50K | 2025-08-22 | 2026-09-09 383d | — | ||
SM Sean McMaster Level II Department of Transportation | ASGN, Inc. | Sell | $1K-15K | 2025-08-11 | 2026-09-09 394d | — | ||
SM Sean McMaster Level II Department of Transportation | Forgent Power Solution | Buy | $15K-50K | 2026-05-14 | 2026-07-15 62d | — | ||
SM Sean McMaster Level II Department of Transportation | Grab Holdings Limited Class A Ordinary Shares | Buy | $1K-15K | 2026-01-21 | 2026-04-01 | -29.8% | ||
SM Sean McMaster Level II Department of Transportation | One Stop Systems Inc. Common Stock | Buy | $15K-50K | 2026-01-13 | 2026-03-13 | — | ||
SM Sean McMaster Level II Department of Transportation | Robinhood Markets Inc. Class A Common Stock | Buy | $1K-15K | 2026-01-09 | 2026-03-13 | -35.7% | ||
SM Sean McMaster Level II Department of Transportation | Grab Holdings Limited Class A Ordinary Shares | Buy | $15K-50K | 2026-01-09 | 2026-03-13 | -35.6% | ||
SM Sean McMaster Level II Department of Transportation | Grab Holdings Limited Class A Ordinary Shares | Buy | $15K-50K | 2025-12-18 | 2026-03-13 | -39.4% | ||
SM Sean McMaster Level II Department of Transportation | Tesla, Inc. | Sell | $250K-500K | 2025-12-10 | 2026-01-27 | -27.6% | ||
SM Sean McMaster Level II Department of Transportation | Grab Holdings Limited Class A Ordinary Shares | Buy | $15K-50K | 2025-11-03 | 2026-01-27 | -51.4% | ||
SM Sean McMaster Level II Department of Transportation | Amkor Technology, Inc. | Buy | $1K-15K | 2025-10-14 | 2026-01-27 | -1.3% | ||
SM Sean McMaster Level II Department of Transportation | Amcor plc | Sell | $15K-50K | 2025-10-13 | 2026-01-27 | +1.6% | ||
SM Sean McMaster Level II Department of Transportation | Amkor Technology, Inc. | Buy | $15K-50K | 2025-10-13 | 2026-01-27 | -3.1% | ||
SM Sean McMaster Level II Department of Transportation | MicroStrategy, Inc. | Sell | $50K-100K | 2025-10-09 | 2026-01-27 | -69.3% | ||
SM Sean McMaster Level II Department of Transportation | Amcor plc | Buy | $15K-50K | 2025-10-09 | 2026-01-27 | +5.2% | ||
SM Sean McMaster Level II Department of Transportation | ETHZilla Corp | Buy | $1K-15K | 2025-10-07 | 2026-01-27 | — | ||
SM Sean McMaster Level II Department of Transportation | Coinbase Global Inc. Class A Common Stock | Sell | $50K-100K | 2025-08-13 | 2026-01-06 146d | -72.8% | ||
SM Sean McMaster Level II Department of Transportation | 180 Life Sciences Corp. Common Stock (ATNF) See Endnote | Buy | $50K-100K | 2025-08-13 | 2026-01-06 146d | — | ||
SM Sean McMaster Level II Department of Transportation | bitmine immersion technology | Buy | $1K-15K | 2025-08-08 | 2026-01-06 151d | -78.9% | ||
SM Sean McMaster Level II Department of Transportation | Semler Scientific Inc. Common Stock | Sell | $1K-15K | 2025-08-07 | 2026-01-06 152d | — | ||
SM Sean McMaster Level II Department of Transportation | Global X MSCI Argentina ETF | Sell | $1K-15K | 2025-08-07 | 2026-01-06 152d | — | ||
SM Sean McMaster Level II Department of Transportation | Microsoft Corp. | Sell | $1K-15K | 2025-08-07 | 2026-01-06 152d | -14.4% | ||
SM Sean McMaster Level II Department of Transportation | bitmine immersion technology | Buy | $15K-50K | 2025-08-07 | 2026-01-06 152d | -70.9% |