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
- $205K
- from $227K cost
- Estimated gain
- -$22K
- Down 9.6%
- Versus the S&P 500
- -$56K
- SPY would hold $261K
- Positions
- 5
- from 10 buys
| # | Position | Since | Cost basis | Value today | Gain | Share of portfolio |
|---|---|---|---|---|---|---|
| 1 | AMKRAmkor Technology, Inc. | 2025-10-13 | $41K | $75K | +85% | 36% |
| 2 | GRABGrab Holdings Limited Class A Ordinary Shares | 2025-11-03 | $106K | $63K | -40% | 31% |
| 3 | AMCRAmcor plc | 2025-10-09 | $33K | $35K | +7% | 17% |
| 4 | BMNRbitmine immersion technology | 2025-08-07 | $41K | $25K | -39% | 12% |
| 5 | HOODRobinhood Markets Inc. Class A Common Stock | 2026-01-09 | $8K | $8K | -2% | 4% |
Trades that mattered most
These 8 buys explain 97% of their result against the S&P 500.
| # | Stock | Asset | Bought | Held | Size | Return | vs SPY | Source |
|---|---|---|---|---|---|---|---|---|
| 1 | AMKR | Amkor Technology, Inc. | 2025-10-13 | 12mo | $15K-50K | +84% | +68% | |
| 2 | GRAB | Grab Holdings Limited Class A Ordinary Shares | 2025-11-03 | 11mo | $15K-50K | -49% | -62% | |
| 3 | BMNR | bitmine immersion technology | 2025-08-07 | 1.2y | $15K-50K | -36% | -58% | |
| 4 | GRAB | Grab Holdings Limited Class A Ordinary Shares | 2025-12-18 | 10mo | $15K-50K | -37% | -51% | |
| 5 | GRAB | Grab Holdings Limited Class A Ordinary Shares | 2026-01-09 | 9mo | $15K-50K | -36% | -47% | |
| 6 | AMKR | Amkor Technology, Inc. | 2025-10-14 | 12mo | $1K-15K | +87% | +71% | |
| 7 | BMNR | bitmine immersion technology | 2025-08-08 | 1.2y | $1K-15K | -49% | -70% | |
| 8 | GRAB | Grab Holdings Limited Class A Ordinary Shares | 2026-01-21 | 8mo | $1K-15K | -30% | -42% |
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
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
-42.3% 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
-13.1% vs SPY
HOODRobinhood Markets Inc. Class A Common Stock
SM
Sean McMaster
Level II Department of Transportation
Buy$15K-50K
-47.4% vs SPY
GRABGrab Holdings Limited Class A Ordinary Shares
SM
Sean McMaster
Level II Department of Transportation
Buy$15K-50K
-51.2% vs SPY
GRABGrab Holdings Limited Class A Ordinary Shares
SM
Sean McMaster
Level II Department of Transportation
Sell$250K-500K
-29.8% vs SPY
TSLATesla, Inc.
SM
Sean McMaster
Level II Department of Transportation
Buy$15K-50K
-61.9% vs SPY
GRABGrab Holdings Limited Class A Ordinary Shares
SM
Sean McMaster
Level II Department of Transportation
Buy$1K-15K
+71.1% vs SPY
AMKRAmkor Technology, Inc.
SM
Sean McMaster
Level II Department of Transportation
Sell$15K-50K
-11.2% vs SPY
AMCRAmcor plc
SM
Sean McMaster
Level II Department of Transportation
Buy$15K-50K
+67.8% vs SPY
AMKRAmkor Technology, Inc.
SM
Sean McMaster
Level II Department of Transportation
Sell$50K-100K
-64.7% vs SPY
MSTRMicroStrategy, Inc.
SM
Sean McMaster
Level II Department of Transportation
Buy$15K-50K
-7.6% vs SPY
AMCRAmcor plc
ETHZETHZilla Corp
SM
Sean McMaster
Level II Department of Transportation
Sell$50K-100K
-63.4% 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
-69.7% 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
-22.4% vs SPY
MSFTMicrosoft Corp.
SM
Sean McMaster
Level II Department of Transportation
Buy$15K-50K
-58.1% 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 | — | -42.3% | ||
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 | — | -13.1% | ||
SM Sean McMaster Level II Department of Transportation | Grab Holdings Limited Class A Ordinary Shares | Buy | $15K-50K | 2026-01-09 | 2026-03-13 | — | -47.4% | ||
SM Sean McMaster Level II Department of Transportation | Grab Holdings Limited Class A Ordinary Shares | Buy | $15K-50K | 2025-12-18 | 2026-03-13 | — | -51.2% | ||
SM Sean McMaster Level II Department of Transportation | Tesla, Inc. | Sell | $250K-500K | 2025-12-10 | 2026-01-27 | — | -29.8% | ||
SM Sean McMaster Level II Department of Transportation | Grab Holdings Limited Class A Ordinary Shares | Buy | $15K-50K | 2025-11-03 | 2026-01-27 | — | -61.9% | ||
SM Sean McMaster Level II Department of Transportation | Amkor Technology, Inc. | Buy | $1K-15K | 2025-10-14 | 2026-01-27 | — | +71.1% | ||
SM Sean McMaster Level II Department of Transportation | Amcor plc | Sell | $15K-50K | 2025-10-13 | 2026-01-27 | — | -11.2% | ||
SM Sean McMaster Level II Department of Transportation | Amkor Technology, Inc. | Buy | $15K-50K | 2025-10-13 | 2026-01-27 | — | +67.8% | ||
SM Sean McMaster Level II Department of Transportation | MicroStrategy, Inc. | Sell | $50K-100K | 2025-10-09 | 2026-01-27 | — | -64.7% | ||
SM Sean McMaster Level II Department of Transportation | Amcor plc | Buy | $15K-50K | 2025-10-09 | 2026-01-27 | — | -7.6% | ||
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 | -63.4% | ||
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 | -69.7% | ||
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 | -22.4% | ||
SM Sean McMaster Level II Department of Transportation | bitmine immersion technology | Buy | $15K-50K | 2025-08-07 | 2026-01-06 | 152d | -58.1% |