investing-statsSEC Form 4 insider transactions

BIO BIO.B

← all insiders

Open-market insider flow over 30d · 90d · 180d · 365d · filter in table · CSV · JSON

No open-market insider trades stored for BIO BIO.B in the last 90 days. The full filing history below may still show grants, exercises, or older activity.

Recent filings

How to read this

Filed
Date the Form 4 was filed with the SEC. Insiders must file within 2 business days of the trade.
Ticker
The issuer's stock symbol. Select it to open that company's insider-activity page.
Issuer
The company whose shares were traded.
Sector
The issuer's industry (SEC SIC classification). Select a value to filter to that sector.
Insider
The reporting person: an officer, director, or 10% owner. Select a name to see all of their trades.
Role
The insider's relationship to the company: director, officer, or 10% owner.
Code
SEC transaction code describing the kind of transaction. Full official definitions are under “Transaction codes” below. A dot marks an open-market trade (P/S), the highest-conviction signal.
Side
Direction of the trade, from the filing's Acquired (A) ▲ / Disposed of (D) ▼ field: a buy or a sell.
10b5-1
Trade made under a pre-arranged Rule 10b5-1 plan: scheduled in advance, not a discretionary decision (generally lower signal).
Shares
Number of shares in this transaction.
Price
Reported price per share. Blank for grants, gifts, and other trades with no stated price.
Value
Transaction value = shares × price. Left blank for grants, option exercises, gifts, and conversions, which have no cash price (see Own Δ for their impact).
Owned after
Form 4 column “Amount of Securities Beneficially Owned Following Reported Transaction(s)”: shares the insider held (directly or indirectly) immediately after this trade.
Own Δ
How much this trade changed the insider's own holding versus what they held just before it (not a share of the company). +45% grew it by 45%, 2.0× more than doubled it, −100% sold the entire stake, “new” built a position from nothing.
Co. Δ
Change in the insider's stake as a share of the whole company from this trade (transaction shares ÷ shares outstanding). The “(now …)” figure is their resulting total stake. Based on the latest reported shares outstanding; blank when unavailable.
D/I
Form 4 column “Ownership Form: Direct (D) or Indirect (I)”. Indirect holdings (for example, through a trust, fund, or family member) are detailed in the filing's “Nature of Indirect Beneficial Ownership.”
Lag
Days from the trade date to the filing date (Form 4 is due within 2 business days).

Transaction codes

Verbatim from the SEC's General Instructions for Forms 3, 4 and 5.

P
Open market or private purchase of non-derivative or derivative security
S
Open market or private sale of non-derivative or derivative security
A
Grant, award or other acquisition pursuant to Rule 16b-3(d)
D
Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e)
F
Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3
M
Exercise or conversion of derivative security exempted pursuant to Rule 16b-3
G
Bona fide gift
C
Conversion of derivative security
X
Exercise of in-the-money or at-the-money derivative security
J
Other acquisition or disposition (describe transaction)
Recent Form 4 filings for BIO BIO.B
FiledDate the Form 4 was filed with the SEC (due within 2 business days of the trade).InsiderRoleCodeSEC transaction code describing the kind of transaction. See “How to read this” above for the official SEC definition of each code. The dot marks an open-market trade (P/S).SideDirection of the trade: a buy (acquired ▲) or a sell (disposed ▼).SharesNumber of shares in this transaction.PriceReported price per share. Blank for trades with no stated price.ValueTransaction value = shares × price. Left blank for grants, option exercises, gifts, and conversions, which have no cash price (see Own Δ).Owned afterShares the insider held (directly or indirectly) immediately after this trade.Own ΔHow much this trade changed the insider's own holding versus what they held just before it (not a share of the company). +45% grew it by 45%, 2.0× more than doubled it, −100% sold the entire stake, “new” built a position from nothing.Co. ΔChange in the insider's stake as a share of the whole company from this trade (transaction shares ÷ shares outstanding). The “(now …)” figure is their resulting total stake in the company. Based on the latest reported shares outstanding; blank when unavailable.Link to SEC filing
2026-09-09Mehta RajatOfficer (EVP, GBL Commercial Operations)M sell1,370 1,370 Bio-Rad A Common Stock4,110filing
2026-09-09Mehta RajatOfficer (EVP, GBL Commercial Operations)M sell456 456 Bio-Rad A Common Stock1,371filing
2026-09-09Mehta RajatOfficer (EVP, GBL Commercial Operations)A buy4,601 4,601 Bio-Rad A Common Stock4,601filing
2026-09-09Mehta RajatOfficer (EVP, GBL Commercial Operations)F sell5040$386.11$194.6K1,232−29%−<0.01% (now <0.01%)filing
2026-09-09Mehta RajatOfficer (EVP, GBL Commercial Operations)M buy1,37001,7364.7×+<0.01% (now <0.01%)filing
2026-09-09Mehta RajatOfficer (EVP, GBL Commercial Operations)F sell2330$386.11$90.0K366−39%−<0.01% (now <0.01%)filing
2026-09-09Mehta RajatOfficer (EVP, GBL Commercial Operations)M buy45605994.2×+<0.01% (now <0.01%)filing
2026-09-09ENGELHARDT EVA ANETTEOfficer (EVP, President, CDG)M sell1,152 1,152 Bio-Rad A Common Stock2,304filing
2026-09-09ENGELHARDT EVA ANETTEOfficer (EVP, President, CDG)M sell1,027 1,027 Bio-Rad A Common Stock3,083filing
2026-09-09ENGELHARDT EVA ANETTEOfficer (EVP, President, CDG)A buy4,313 4,313 Bio-Rad A Common Stock4,313filing
2026-09-09ENGELHARDT EVA ANETTEOfficer (EVP, President, CDG)F sell4850$386.11$187.3K1,828−21%−<0.01% (now <0.01%)filing
2026-09-09ENGELHARDT EVA ANETTEOfficer (EVP, President, CDG)M buy1,15202,313+99%+<0.01% (now <0.01%)filing
2026-09-09ENGELHARDT EVA ANETTEOfficer (EVP, President, CDG)F sell3690$386.11$142.5K1,161−24%−<0.01% (now <0.01%)filing
2026-09-09ENGELHARDT EVA ANETTEOfficer (EVP, President, CDG)M buy1,02701,5303.0×+<0.01% (now <0.01%)filing
2026-09-09ENLOE COURTNEY COfficer (EVP, General Counsel & Sec)M sell768 768 Bio-Rad A Common Stock1,536filing
2026-09-09ENLOE COURTNEY COfficer (EVP, General Counsel & Sec)M sell685 685 Bio-Rad A Common Stock2,055filing
2026-09-09ENLOE COURTNEY COfficer (EVP, General Counsel & Sec)A buy2,876 2,876 Bio-Rad A Common Stock2,876filing
2026-09-09ENLOE COURTNEY COfficer (EVP, General Counsel & Sec)F sell3050$386.11$117.8K1,652−16%−<0.01% (now <0.01%)filing
2026-09-09ENLOE COURTNEY COfficer (EVP, General Counsel & Sec)M buy76801,957+65%+<0.01% (now <0.01%)filing
2026-09-09ENLOE COURTNEY COfficer (EVP, General Counsel & Sec)F sell2460$386.11$95.0K1,189−17%−<0.01% (now <0.01%)filing
2026-09-09ENLOE COURTNEY COfficer (EVP, General Counsel & Sec)M buy68501,435+91%+<0.01% (now <0.01%)filing
2026-09-09EVRAN SEDATOfficer (EVP, Global Supply Chain)M sell864 864 Bio-Rad A Common Stock1,728filing
2026-09-09EVRAN SEDATOfficer (EVP, Global Supply Chain)M sell1,027 1,027 Bio-Rad A Common Stock3,083filing
2026-09-09EVRAN SEDATOfficer (EVP, Global Supply Chain)A buy4,026 4,026 Bio-Rad A Common Stock4,026filing
2026-09-09EVRAN SEDATOfficer (EVP, Global Supply Chain)F sell2770$386.11$107.0K3,603−7%−<0.01% (now 0.01%)filing
2026-09-09EVRAN SEDATOfficer (EVP, Global Supply Chain)M buy86403,880+29%+<0.01% (now 0.01%)filing
2026-09-09EVRAN SEDATOfficer (EVP, Global Supply Chain)F sell3290$386.11$127.0K3,016−10%−<0.01% (now 0.01%)filing
2026-09-09EVRAN SEDATOfficer (EVP, Global Supply Chain)M buy1,02703,345+44%+<0.01% (now 0.01%)filing
2026-09-09DiVincenzo Jonathan P.Officer (President & COO)M sell1,712 1,712 Bio-Rad A Common Stock5,138filing
2026-09-09DiVincenzo Jonathan P.Officer (President & COO)A buy6,326 6,326 Bio-Rad A Common Stock6,326filing
2026-09-09DiVincenzo Jonathan P.Officer (President & COO)F sell6680$386.11$257.9K1,963−25%−<0.01% (now <0.01%)filing
2026-09-09DiVincenzo Jonathan P.Officer (President & COO)M buy1,71202,6312.9×+<0.01% (now <0.01%)filing
2026-09-09Lakkaraju Roop KalyanOfficer (EVP, Chief Financial Officer)M sell1,536 1,536 Bio-Rad A Common Stock3,072filing
2026-09-09Lakkaraju Roop KalyanOfficer (EVP, Chief Financial Officer)M sell1,370 1,370 Bio-Rad A Common Stock4,110filing
2026-09-09Lakkaraju Roop KalyanOfficer (EVP, Chief Financial Officer)A buy6,326 6,326 Bio-Rad A Common Stock6,326filing
2026-09-09Lakkaraju Roop KalyanOfficer (EVP, Chief Financial Officer)F sell7820$386.11$301.9K4,151−16%−<0.01% (now 0.02%)filing
2026-09-09Lakkaraju Roop KalyanOfficer (EVP, Chief Financial Officer)M buy1,53604,933+45%+<0.01% (now 0.02%)filing
2026-09-09Lakkaraju Roop KalyanOfficer (EVP, Chief Financial Officer)F sell5590$386.11$215.8K3,397−14%−<0.01% (now 0.01%)filing
2026-09-09Lakkaraju Roop KalyanOfficer (EVP, Chief Financial Officer)M buy1,37003,956+53%+<0.01% (now 0.01%)filing
2026-09-09SCHWARTZ NORMAN DDirector, Officer (Chairman & CEO), 10% ownerM sell3,455 3,455 Bio-Rad A Common Stock6,912filing
2026-09-09SCHWARTZ NORMAN DDirector, Officer (Chairman & CEO), 10% ownerM sell4,109 4,109 Bio-Rad A Common Stock12,330filing
2026-09-09SCHWARTZ NORMAN DDirector, Officer (Chairman & CEO), 10% ownerA buy17,251 17,251 Bio-Rad A Common Stock17,251filing
2026-09-09SCHWARTZ NORMAN DDirector, Officer (Chairman & CEO), 10% ownerF sell1,8540$386.11$715.8K449,019−0.4%−<0.01% (now 1.6%)filing
2026-09-09SCHWARTZ NORMAN DDirector, Officer (Chairman & CEO), 10% ownerM buy3,4550450,873+0.8%+0.01% (now 1.6%)filing
2026-09-09SCHWARTZ NORMAN DDirector, Officer (Chairman & CEO), 10% ownerF sell2,8760$386.11$1.11M447,418−0.6%−0.01% (now 1.6%)filing
2026-09-09SCHWARTZ NORMAN DDirector, Officer (Chairman & CEO), 10% ownerM buy4,1090450,294+0.9%+0.01% (now 1.6%)filing
2026-09-09BARRY JAMESOfficer (EVP, President, LSG)M sell1,056 1,056 Bio-Rad A Common Stock2,112filing
2026-09-09BARRY JAMESOfficer (EVP, President, LSG)M sell1,027 1,027 Bio-Rad A Common Stock3,083filing
2026-09-09BARRY JAMESOfficer (EVP, President, LSG)A buy4,313 4,313 Bio-Rad A Common Stock4,313filing
2026-09-09BARRY JAMESOfficer (EVP, President, LSG)F sell4700$386.11$181.5K2,025−19%−<0.01% (now <0.01%)filing
2026-09-09BARRY JAMESOfficer (EVP, President, LSG)M buy1,05602,495+73%+<0.01% (now <0.01%)filing
2026-09-09BARRY JAMESOfficer (EVP, President, LSG)F sell3690$386.11$142.5K1,439−20%−<0.01% (now <0.01%)filing
2026-09-09BARRY JAMESOfficer (EVP, President, LSG)M buy1,02701,8082.3×+<0.01% (now <0.01%)filing
2026-09-09Allison SchwartzDirectorM sell92 92 Bio-Rad A Common Stock185filing
2026-09-09Allison SchwartzDirectorM sell228 228 Bio-Rad A Common Stock686filing
2026-09-09Allison SchwartzDirectorA buy719 719 Bio-Rad A Common Stock719filing
2026-09-09Allison SchwartzDirectorF sell340$386.11$13.1K1,734−2%−<0.01% (now <0.01%)filing
2026-09-09Allison SchwartzDirectorM buy9201,768+5%+<0.01% (now <0.01%)filing
2026-09-09Allison SchwartzDirectorF sell820$386.11$31.7K1,676−5%−<0.01% (now <0.01%)filing
2026-09-09Allison SchwartzDirectorM buy22801,758+15%+<0.01% (now <0.01%)filing
2026-09-03SCHWARTZ NORMAN DDirector, Officer (Chairman & CEO), 10% ownerM sell3,005 3,005 Bio-Rad A Common Stock3,005filing
2026-09-03SCHWARTZ NORMAN DDirector, Officer (Chairman & CEO), 10% ownerM sell2,082 2,082 Bio-Rad A Common Stock0filing
2026-09-03SCHWARTZ NORMAN DDirector, Officer (Chairman & CEO), 10% ownerF sell2,3360$380.96$889.9K446,185−0.5%−<0.01% (now 1.6%)filing
2026-09-03SCHWARTZ NORMAN DDirector, Officer (Chairman & CEO), 10% ownerM buy5,0870448,521+1%+0.02% (now 1.6%)filing
2026-09-03BARRY JAMESOfficer (EVP, President, LSG)M sell251 251 Bio-Rad A Common Stock251filing
2026-09-03BARRY JAMESOfficer (EVP, President, LSG)M sell174 174 Bio-Rad A Common Stock0filing
2026-09-03BARRY JAMESOfficer (EVP, President, LSG)F sell1540$380.96$58.7K781−16%−<0.01% (now <0.01%)filing
2026-09-03BARRY JAMESOfficer (EVP, President, LSG)M buy4250935+83%+<0.01% (now <0.01%)filing
2026-09-03Allison SchwartzDirectorM sell75 75 Bio-Rad A Common Stock75filing
2026-09-03Allison SchwartzDirectorM sell42 42 Bio-Rad A Common Stock0filing
2026-09-03Allison SchwartzDirectorF sell430$380.96$16.4K1,530−3%−<0.01% (now <0.01%)filing
2026-09-03Allison SchwartzDirectorM buy11701,573+8%+<0.01% (now <0.01%)filing
2026-07-28ENGELHARDT EVA ANETTEOfficer (EVP, President, CDG)M sell246 246 Bio-Rad A Common Stock492filing
2026-07-28ENGELHARDT EVA ANETTEOfficer (EVP, President, CDG)F sell890$314.46$28.0K503−15%−<0.01% (now <0.01%)filing
2026-07-28ENGELHARDT EVA ANETTEOfficer (EVP, President, CDG)M buy2460592+71%+<0.01% (now <0.01%)filing
2026-05-13ENGELHARDT EVA ANETTEOfficer (EVP, President, CDG)S sell5500$246.54$135.6K346−61%−<0.01% (now <0.01%)filing
2026-04-28ENLOE COURTNEY COfficer (EVP, General Counsel & Sec)M sell186 186 Bio-Rad A Common Stock372filing
2026-04-28ENLOE COURTNEY COfficer (EVP, General Counsel & Sec)F sell770$287.84$22.2K750−9%−<0.01% (now <0.01%)filing
2026-04-28ENLOE COURTNEY COfficer (EVP, General Counsel & Sec)M buy1860827+29%+<0.01% (now <0.01%)filing
2026-04-28Lakkaraju Roop KalyanOfficer (EVP, Chief Financial Officer)M sell1,078 1,078 Bio-Rad A Common Stock2,156filing
2026-04-28Lakkaraju Roop KalyanOfficer (EVP, Chief Financial Officer)F sell4200$287.84$120.9K2,564−14%−<0.01% (now <0.01%)filing
2026-04-28Lakkaraju Roop KalyanOfficer (EVP, Chief Financial Officer)M buy1,07802,984+57%+<0.01% (now 0.01%)filing
2026-04-23PEI MELINDA LITHERLANDDirectorM sell407 407 Bio-Rad A Common Stock0filing
2026-04-23PEI MELINDA LITHERLANDDirectorA buy369 369 Bio-Rad A Common Stock369filing
2026-04-23PEI MELINDA LITHERLANDDirectorM buy40707152.3×+<0.01% (now <0.01%)filing
2026-04-23PINKSTON ARNOLD ADirectorM sell407 407 Bio-Rad A Common Stock0filing
2026-04-23PINKSTON ARNOLD ADirectorA buy369 369 Bio-Rad A Common Stock369filing
2026-04-23PINKSTON ARNOLD ADirectorM buy40707152.3×+<0.01% (now <0.01%)filing
2026-04-23Hinckley Greg KDirectorM sell407 407 Bio-Rad A Common Stock0filing
2026-04-23Hinckley Greg KDirectorA buy369 369 Bio-Rad A Common Stock369filing
2026-04-23Hinckley Greg KDirectorM buy40701,215+50%+<0.01% (now <0.01%)filing
2026-04-23EDWARDS JEFFREY LDirectorM sell407 407 Bio-Rad A Common Stock0filing
2026-04-23EDWARDS JEFFREY LDirectorA buy369 369 Bio-Rad A Common Stock369filing
2026-04-23EDWARDS JEFFREY LDirectorM buy40707152.3×+<0.01% (now <0.01%)filing

Up to 200 most recent filings · select a heading to sort, or open “How to read this” above for definitions · this company on SEC EDGAR.