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Bio-Rad Laboratories, Inc. (BIO) — Congressional Trades

9 U.S. lawmakers have disclosed 13 Bio-Rad Laboratories, Inc. trades under the STOCK Act — 10 buys and 3 sells between 2015 and 2023. Congress has been net buyers of BIO.

13Trades
10Buys
3Sells
9Members
$361.19Latest close 2026-08-13
Congress buys vs latest close*

*Notional-weighted price return on lawmakers' disclosed buys of BIO, marked to the latest close — per-share (share counts aren't disclosed).

77% buys23% sells

Which party is trading BIO?

Republicans
5 buys · 3 sells
5 members · 8 trades
Democrats
5 buys · 0 sells
4 members · 5 trades
DateMemberTypeAmountEst. priceLatest closeReturn
2023-06-29Lois FrankelBUY$1K–$15K$375.24$361.19 2026-08-13-3.7%
2023-06-28Lois FrankelBUY$1K–$15K$364.38$361.19 2026-08-13-0.9%
2022-03-30Thomas H TubervilleSELL$1K–$15K$580.23$361.19 2026-08-13+1.8% rt
2021-03-29Thomas H TubervilleBUY$1K–$15K$570.04$361.19 2026-08-13-36.6%
2019-04-25Susie LeeBUY$1K–$15K$298.90$361.19 2026-08-13+20.8%
2018-05-01John K. DelaneyBUY$1K–$15K$253.25$361.19 2026-08-13+42.6%
2017-03-06Mike KellySELL$1K–$15K$195.08$361.19 2026-08-13-85.2% exit
2017-03-06Mike KellyBUY$1K–$15K$195.08$361.19 2026-08-13+85.2%
2016-08-10James B. RenacciBUY$1K–$15K$154.13$361.19 2026-08-13+134.3%
2015-04-20James B. RenacciBUY$1K–$15K$136.43$361.19 2026-08-13+164.7%
2015-04-06JAMES M INHOFEBUY$1K–$15K$138.07$361.19 2026-08-13+161.6%
2015-02-13Thomas R TillisSELL$1K–$15K$118.36$361.19 2026-08-13-205.2% exit
Kurt SchraderBUY$1K–$15K

Return: buys marked to the latest close (open); sells tagged rt are realized round-trips vs a prior disclosed buy; exit = timing (stock move after the sale, seller's perspective).

Frequently asked — Bio-Rad Laboratories, Inc. (BIO) congressional trades

Which lawmakers have traded Bio-Rad Laboratories, Inc. (BIO)?

9 members of the U.S. House and Senate have disclosed Bio-Rad Laboratories, Inc. transactions under the STOCK Act — 10 purchases and 3 sales. The full member-by-member breakdown, with dates and dollar ranges, is in the table above.

Which lawmakers bought BIO recently?

No member of Congress has disclosed a BIO purchase in the last 90 days. STOCK Act filings lag the trade by up to 45 days, so newer buys may still be pending disclosure.

How have Congress's BIO trades performed?

Every BIO trade is marked to the latest close in the Return column; sells matched to a prior buy show a realized round-trip return.

Is it legal for members of Congress to trade Bio-Rad Laboratories, Inc.?

Yes. Under the 2012 STOCK Act, members of Congress may buy and sell individual stocks but must publicly disclose each transaction within 45 days. Bargo surfaces those filings so you can see who traded BIO and how it performed.

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