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Tracking congressional stock trades from public STOCK Act Periodic Transaction Reports (PTRs) filed by members of the US House and Senate.

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© 2026 Congress Stock Tracker. Data from public STOCK Act filings.For informational purposes only. Not financial advice.
Politicians
CM

CYNTHIA M. LUMMIS

UnknownRepresentative, WY
Net Worth & Portfolio
Total Trades
16
Trade Volume
$12.5M
Midpoint of disclosed ranges
Issuers
8
Unique tickers
Last Traded
2026-04-17
Est. Net Worth
$4.6M
2011 disclosure

About CYNTHIA M. LUMMIS

Cynthia M. Lummis serves as a U.S. Representative from Wyoming. She is a member of the House of Representatives representing the state at the federal level. Her current term is listed as continuing through the present, though specific committee assignments are not available in the disclosed data.

Cynthia M. Lummis has disclosed 2 stock or asset trades with an estimated total trading volume of about $0.1 million. Her activity consists entirely of purchases, with 2 buys and 0 sells reported. The trades include positions in Jacobs Solutions (J) and Bitcoin (BTC), each appearing once in the disclosures. With only two reported transactions, her trading activity is minimal compared with many members of Congress who disclose dozens or hundreds of trades.

CYNTHIA M. LUMMIS's Trades

Trading Activity

16 of 16 trades
DateAssetTypeOwnerAmount
2026-04-17Lundin MiningOTHEsellSpouse$15K – $50K
2026-04-17BACsellSpouse$1M – $5M
2025-03-01Business Entity Company: Sweetgrass Land Co. LLC  (Cheyenne, Wyoming) Description: The sale of build-ready residential and commercial lots.FUNDbuySelf$1M – $5M
2025-03-01Business Entity Company: Arp & Hammond Hardware Company  (Cheyenne, Wyoming) Description: Real EstateOTHEbuySelf$1M – $5M
2025-03-01Business Entity Company: Lummis Livestock Company LLC  (Cheyenne, Wyoming) Description: Runs steers and sells grass fed cattle.FUNDbuySelf$1M – $5M
2021-09-03JbuySelf$1K – $15K
2021-08-16BTCOTHEbuySelf$50K – $100K
2010-12-10INTCbuySpouse$100K – $250K
2010-10-11SPYbuySpouse$1K – $15K
2010-10-09MSFTbuySpouse$1K – $15K
2010-05-12American National BankOTHEbuySpouse$1K – $15K
2010-01-06American National BankOTHEbuySpouse$1K – $15K
2009-12-10DPTRsellSpouse$15K – $50K
2009-12-01DPTRsellSpouse$15K – $50K
2008-12-10Old Home Partners Inc.FUNDexchangeJoint$15K – $50K
2008-11-10CMEsellSpouse$15K – $50K
Lundin Miningsell
2026-04-17$15K – $50K
Owner: Spouse
BACsell
2026-04-17$1M – $5M
Owner: Spouse
Business Entity Company: Sweetgrass Land Co. LLC  (Cheyenne, Wyoming) Description: The sale of build-ready residential and commercial lots.buy
2025-03-01$1M – $5M
Owner: Self
Business Entity Company: Arp & Hammond Hardware Company  (Cheyenne, Wyoming) Description: Real Estatebuy
2025-03-01$1M – $5M
Owner: Self
Business Entity Company: Lummis Livestock Company LLC  (Cheyenne, Wyoming) Description: Runs steers and sells grass fed cattle.buy
2025-03-01$1M – $5M
Owner: Self
Jbuy
2021-09-03$1K – $15K
Owner: Self
BTCbuy
2021-08-16$50K – $100K
Owner: Self
INTCbuy
2010-12-10$100K – $250K
Owner: Spouse
SPYbuy
2010-10-11$1K – $15K
Owner: Spouse
MSFTbuy
2010-10-09$1K – $15K
Owner: Spouse
American National Bankbuy
2010-05-12$1K – $15K
Owner: Spouse
American National Bankbuy
2010-01-06$1K – $15K
Owner: Spouse
DPTRsell
2009-12-10$15K – $50K
Owner: Spouse
DPTRsell
2009-12-01$15K – $50K
Owner: Spouse
Old Home Partners Inc.exchange
2008-12-10$15K – $50K
Owner: Joint
CMEsell
2008-11-10$15K – $50K
Owner: Spouse

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