Overview
Insider buying was concentrated in healthcare and manufacturing, while selling was most notable in health care, materials, and industrials.
High Signal
RGNX — Gregory Austin Ciongoli purchased $949.38K (first and largest recorded purchases, across 2 filings between 2026-08-26 and 2026-08-27). Holdings increased by 83%.
SGI — CEO & PRESIDENT (Scott L Thompson) bought $1.89M (first recorded purchase).
Notable Buys
MAIR — Ernesto Bertarelli purchased $219.00M (first purchase of MAIR) (private placement) (indirect — By K.C. Armada, LP). This was a private placement, not an open-market buy.
IMTX — Advisors Llc Perceptive purchased $7.50M (first purchase of IMTX) (indirect — See Footnote). This is the filer's first recorded buy in IMTX.
WELL — Andrew Gundlach purchased $1.20M (first and second largest purchases of WELL, across 2 filings between 2026-08-25 and 2026-08-26) (indirect — ELLEN-MARIA GORRISSEN TRUST I U/A DATED JUNE 3, 1993). Holdings increased by 12%.
- Both purchases were made through a trust, and this is the filer's first activity in WELL.
- Both purchases were made through a trust, and this is the filer's first activity in WELL.
Notable Sells
ABT — CHAIRMAN AND CEO (Ford Robert B) sold $46.21M (2 filings, 2026-08-25). These were the 2nd largest sales out of 14 for this filer. 2 other insiders also sold in the last 30 days: Morrone Louis H., Rich McCormick.
ILMN — Keith A. Meister sold $71.13M (across 8 filings between 2026-08-25 and 2026-08-27) (indirect — See Footnotes). This represents a series of sales by the same investment manager, with no officer title listed.
CRS — Chairman, President and CEO (Thene Tony R) sold $44.13M (across 15 filings on 2026-08-25), including both direct and indirect (in trust) holdings. 3 other insiders also sold in the last 30 days: AKINS MARSHALL D, DEE JAMES D, LAIN TIMOTHY.
FIX — CHIEF EXECUTIVE OFF. (Lane Brian E.) sold $25.77M (single filing on 2026-08-26).
IHT — President & CEO (James F Wirth) sold $215.04M (single filing on 2026-08-25).
Patterns
- Health care and materials sectors saw the largest cluster of insider selling, with over $160M in combined notional value.
- Multiple large sales in ABT and ILMN were accompanied by other insiders selling in the same 30-day window, indicating possible coordinated or opportunistic activity.
- The largest buy of the day was a private placement in MAIR, not an open-market conviction buy.
Close
Top buy tickers by $ value: MAIR $219.00M, SGI $1.89M, WELL $1.20M.
Top sell tickers by $ value: IHT $215.04M, ABT $46.21M, CRS $44.13M.