Alan Armstrong
RRepublicanSenateOKCurrent memberTerm Mar 24, 2026 – Jan 3, 2027
Committees
- Senate Committee on Health, Education, Labor, and Pensions
- Senate Committee on Indian Affairs
- Senate Committee on Health, Education, Labor, and Pensions: Employment and Workplace Safety
- Senate Committee on Health, Education, Labor, and Pensions: Primary Health and Retirement Security
Current-Congress assignments from the official roster; leadership seats are outlined.
Filing statistics
Official dates; averages are derived
Filed on time
1%
701 of 707 trades late · slowest 119 days
Avg filing frequency
Every 58 days
2 filings
Since last filing
50 days
Sep 17, 2026
Transactions
707
656 buys · 50 sells · 30 in review
Whale profile Estimated
Notable
Whale score
93/ 100
Percentile blend among members with a trade in the last 12 months: 50% disclosed volume, 30% largest trade, 20% trade count. Notable: curated
- 12-month volume
- $25.1M
- 706 trades · midpoints
- Largest trade
- $5,000,001 - $25,000,000
- Median midpoint $8K
- All-time volume
- $25.1M
- 706 trades
- Late filings
- 701
- Filed after the STOCK Act deadline
- Hindsight 15% moves
- 23.9% · 165 of 706
- Stock moved 15%+ the trade's way within 30 trading days
- Avg 30-day forward return
- +9.0%
- Sign-adjusted: buys +, sells −
Volumes are range midpoints; forward returns use public closing prices after the disclosed trade date, so they are hindsight: they describe what the stock did, not what anyone could have known. Late filings are counted from official dates only. How this is calculated
Unusual activity Estimated
- 100Hindsight movePublic Jul 21, 2026 · traded Mar 27, 2026
DDOG rose 77% in the 30 trading days after Sen. Alan Armstrong's buy (hindsight)
Details
- Politician
- Alan Armstrong
- Ticker
- DDOG
- Asset
- Datadog, Inc. - Class A Common Stock
- Tx type
- buy
- Traded
- Mar 27, 2026
- Filed
- Jul 21, 2026
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 116
- Owner type
- self
- Is whale
- No
- Entry date
- Mar 27, 2026
- Entry close
- 114.48
- Exit date
- May 11, 2026
- Exit close
- 202.32
- Forward return
- +76.7%
- Sign adjusted return
- +76.7%
- N trading days
- 30
- Hindsight
- Yes
- Measured from
- trade date
- Public from
- Jul 21, 2026
- Method version
- 2026-11-03
- 100Hindsight movePublic Jul 21, 2026 · traded Mar 30, 2026
STM rose 85% in the 30 trading days after Sen. Alan Armstrong's buy (hindsight)
Details
- Politician
- Alan Armstrong
- Ticker
- STM
- Asset
- STMicroelectronics N.V. Common Stock
- Tx type
- buy
- Traded
- Mar 30, 2026
- Filed
- Jul 21, 2026
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 113
- Owner type
- self
- Is whale
- No
- Entry date
- Mar 30, 2026
- Entry close
- 31.32
- Exit date
- May 12, 2026
- Exit close
- 57.93
- Forward return
- +85.0%
- Sign adjusted return
- +85.0%
- N trading days
- 30
- Hindsight
- Yes
- Measured from
- trade date
- Public from
- Jul 21, 2026
- Method version
- 2026-11-03
- 100Hindsight movePublic Jul 21, 2026 · traded Mar 30, 2026
NBIS rose 94% in the 30 trading days after Sen. Alan Armstrong's buy (hindsight)
Details
- Politician
- Alan Armstrong
- Ticker
- NBIS
- Asset
- Nebius Group N.V. - Class A Ordinary Shares
- Tx type
- buy
- Traded
- Mar 30, 2026
- Filed
- Jul 21, 2026
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 113
- Owner type
- self
- Is whale
- No
- Entry date
- Mar 30, 2026
- Entry close
- 92.26
- Exit date
- May 12, 2026
- Exit close
- 179.11
- Forward return
- +94.1%
- Sign adjusted return
- +94.1%
- N trading days
- 30
- Hindsight
- Yes
- Measured from
- trade date
- Public from
- Jul 21, 2026
- Method version
- 2026-11-03
- 100Hindsight movePublic Jul 21, 2026 · traded Mar 30, 2026
KXIAY rose 136% in the 30 trading days after Sen. Alan Armstrong's buy (hindsight)
Details
- Politician
- Alan Armstrong
- Ticker
- KXIAY
- Asset
- Kioxia Holdings Corporation ADR (KXIAY)
- Tx type
- buy
- Traded
- Mar 30, 2026
- Filed
- Jul 21, 2026
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 113
- Owner type
- self
- Is whale
- No
- Entry date
- Mar 30, 2026
- Entry close
- 12.12
- Exit date
- May 12, 2026
- Exit close
- 28.59
- Forward return
- +135.9%
- Sign adjusted return
- +135.9%
- N trading days
- 30
- Hindsight
- Yes
- Measured from
- trade date
- Public from
- Jul 21, 2026
- Method version
- 2026-11-03
- 100Hindsight movePublic Jul 21, 2026 · traded Mar 27, 2026
WDC rose 87% in the 30 trading days after Sen. Alan Armstrong's buy (hindsight)
Details
- Politician
- Alan Armstrong
- Ticker
- WDC
- Asset
- Western Digital Corporation - Common Stock
- Tx type
- buy
- Traded
- Mar 27, 2026
- Filed
- Jul 21, 2026
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 116
- Owner type
- self
- Is whale
- No
- Entry date
- Mar 27, 2026
- Entry close
- 275.34
- Exit date
- May 11, 2026
- Exit close
- 515.83
- Forward return
- +87.3%
- Sign adjusted return
- +87.3%
- N trading days
- 30
- Hindsight
- Yes
- Measured from
- trade date
- Public from
- Jul 21, 2026
- Method version
- 2026-11-03
- 100Hindsight movePublic Jul 21, 2026 · traded Mar 27, 2026
STX rose 119% in the 30 trading days after Sen. Alan Armstrong's buy (hindsight)
Details
- Politician
- Alan Armstrong
- Ticker
- STX
- Asset
- Seagate Technology Holdings PLC - Ordinary Shares (Ireland)
- Tx type
- buy
- Traded
- Mar 27, 2026
- Filed
- Jul 21, 2026
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 116
- Owner type
- self
- Is whale
- No
- Entry date
- Mar 27, 2026
- Entry close
- 380.07
- Exit date
- May 11, 2026
- Exit close
- 834.01
- Forward return
- +119.4%
- Sign adjusted return
- +119.4%
- N trading days
- 30
- Hindsight
- Yes
- Measured from
- trade date
- Public from
- Jul 21, 2026
- Method version
- 2026-11-03
- 100Hindsight movePublic Jul 21, 2026 · traded Mar 27, 2026
SNDK rose 151% in the 30 trading days after Sen. Alan Armstrong's buy (hindsight)
Details
- Politician
- Alan Armstrong
- Ticker
- SNDK
- Asset
- Sandisk Corporation - Common Stock When-Issued
- Tx type
- buy
- Traded
- Mar 27, 2026
- Filed
- Jul 21, 2026
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 116
- Owner type
- self
- Is whale
- No
- Entry date
- Mar 27, 2026
- Entry close
- 615.83
- Exit date
- May 11, 2026
- Exit close
- 1,547.56
- Forward return
- +151.3%
- Sign adjusted return
- +151.3%
- N trading days
- 30
- Hindsight
- Yes
- Measured from
- trade date
- Public from
- Jul 21, 2026
- Method version
- 2026-11-03
- 100Hindsight movePublic Jul 21, 2026 · traded Mar 27, 2026
QCOM rose 87% in the 30 trading days after Sen. Alan Armstrong's buy (hindsight)
Details
- Politician
- Alan Armstrong
- Ticker
- QCOM
- Asset
- QUALCOMM Incorporated - Common Stock
- Tx type
- buy
- Traded
- Mar 27, 2026
- Filed
- Jul 21, 2026
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 116
- Owner type
- self
- Is whale
- No
- Entry date
- Mar 27, 2026
- Entry close
- 127.11
- Exit date
- May 11, 2026
- Exit close
- 237.53
- Forward return
- +86.9%
- Sign adjusted return
- +86.9%
- N trading days
- 30
- Hindsight
- Yes
- Measured from
- trade date
- Public from
- Jul 21, 2026
- Method version
- 2026-11-03
- 100Hindsight movePublic Jul 21, 2026 · traded Mar 27, 2026
MU rose 123% in the 30 trading days after Sen. Alan Armstrong's buy (hindsight)
Details
- Politician
- Alan Armstrong
- Ticker
- MU
- Asset
- Micron Technology, Inc. - Common Stock
- Tx type
- buy
- Traded
- Mar 27, 2026
- Filed
- Jul 21, 2026
- Amount low
- $15,001
- Amount high
- $50,000
- Range midpoint (estimate)
- $32,501
- Disclosed range
- $15,001 - $50,000
- Reporting lag days
- 116
- Owner type
- self
- Is whale
- No
- Entry date
- Mar 27, 2026
- Entry close
- 357.22
- Exit date
- May 11, 2026
- Exit close
- 795.33
- Forward return
- +122.6%
- Sign adjusted return
- +122.6%
- N trading days
- 30
- Hindsight
- Yes
- Measured from
- trade date
- Public from
- Jul 21, 2026
- Method version
- 2026-11-03
- 100Hindsight movePublic Jul 21, 2026 · traded Mar 27, 2026
INTC rose 200% in the 30 trading days after Sen. Alan Armstrong's buy (hindsight)
Details
- Politician
- Alan Armstrong
- Ticker
- INTC
- Asset
- Intel Corporation - Common Stock
- Tx type
- buy
- Traded
- Mar 27, 2026
- Filed
- Jul 21, 2026
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 116
- Owner type
- self
- Is whale
- No
- Entry date
- Mar 27, 2026
- Entry close
- 43.13
- Exit date
- May 11, 2026
- Exit close
- 129.44
- Forward return
- +200.1%
- Sign adjusted return
- +200.1%
- N trading days
- 30
- Hindsight
- Yes
- Measured from
- trade date
- Public from
- Jul 21, 2026
- Method version
- 2026-11-03
Estimated portfolio Estimated
$8,537,779
30-day change
-$156.9K -1.8%
Return vs S&P 500 proxy
+13.1% vs +15.8%
Return index · 100 = break-even610 positions · as of Nov 5, 2026
Portfolio values, holdings, returns, and allocations are estimates derived from disclosed dollar ranges and public market prices. They may differ materially from actual values. Not investment advice. How this is calculated
Top holdings Estimated
- Apple Inc.6.2%$529.9K
- Berkshire Hathaway Inc.1.1%$91.6K
- NVIDIA Corporation1.1%$90.1K
- ASML Holding N.V.1.0%$89.4K
- Alphabet Inc.1.0%$85.4K
- Advanced Micro Devices, Inc.0.8%$65.1K
- Microsoft Corporation0.7%$60.8K
- Micron Technology, Inc.0.7%$59.7K
- SAP SE0.7%$58.4K
- UniCredit S.p.A.0.6%$50.6K
Sector allocation Estimated
- Technology22.2%$1.9M
- Financial Services20.8%$1.8M
- Industrials16.4%$1.4M
- Healthcare11.1%$944.9K
- Consumer Cyclical9.2%$783.9K
- Consumer Defensive6.8%$584.4K
- Communication Services6.0%$515.3K
- Basic Materials4.5%$385.1K
- Real Estate2.7%$230.9K
- Unclassified0.2%$18.3K
Trades
Best buys after disclosure vs the S&P 500 Estimated
Since the disclosure · shares only
| Ticker | Asset | Type | Owner | Amount | vs S&P Estimated | Traded | Filed | Source |
|---|---|---|---|---|---|---|---|---|
| ACN | Accenture plc Class A Ordinary Shares (Ireland) | Buy | Self | $1,001 - $15,000 | +90.3% | Mar 27, 2026 | Jul 21, 2026116d | Filing |
| GMAB | Genmab A/S - American Depositary Shares | Buy | Self | $1,001 - $15,000 | +88.0% | Mar 30, 2026 | Jul 21, 2026113d | Filing |
| CSLLY | CSL Ltd Sponsored ADR (CSLLY) | Buy | Self | $1,001 - $15,000 | +65.8% | Mar 30, 2026 | Jul 21, 2026113d | Filing |
Worst buys after disclosure vs the S&P 500 Estimated
Since the disclosure · shares only
| Ticker | Asset | Type | Owner | Amount | vs S&P Estimated | Traded | Filed | Source |
|---|---|---|---|---|---|---|---|---|
| TKOMY | Tokio Marine Holdings Inc Sponsored (TKOMY) | Buy | Self | $1,001 - $15,000 | -90.1% | Mar 30, 2026 | Jul 21, 2026113d | Filing |
| KXIAY | Kioxia Holdings Corporation ADR (KXIAY) | Buy | Self | $1,001 - $15,000 | -85.4% | Mar 30, 2026 | Jul 21, 2026113d | Filing |
| CTVA | Corteva, Inc. Common Stock | Buy | Self | $1,001 - $15,000 | -84.1% | Mar 27, 2026 | Jul 21, 2026116d | Filing |
Option trades
Totals: $7.7M bought and $17.4M sold (range midpoints); first trade Mar 24, 2026, last trade Aug 20, 2026. Stats computed Nov 6, 2026. Midpoints are 0.5 × (low + high) of the disclosed range.