ARTV insider buys $75 million, and the week's other big purchases
The week's notable insider trades and Congress reports, from SEC filings.
By Sepehr Parsa · Founder and editor, WallStPalThe week in one paragraph
Selling outweighed buying, as it does most weeks: insiders reported 532 purchases worth $657 million and 1150 sales worth $5.6 billion, 35% of the sales under pre-arranged 10b5-1 plans. The largest purchase was at ARTV, where Ra Capital Management, L.P. bought $75 million. 3 companies had several insiders buying.
Biggest insider buys
ARTV director Ra Capital Management, L.P. bought 6,510,416 shares for $75 million, adding 75% to their holding.
RSG 10% owner Cascade Investment, LLC bought 366,000 shares for $74 million.
AXICY director Batista De Lima Filho Pedro bought 3,656,500 shares for $43.5 million, adding 31% to their holding.
ODTX other insider Tpg Gp A, LLC bought 1,388,889 shares for $25 million, adding 60% to their holding.
WGS director Keith A. Meister bought 533,758 shares for $20.2 million, adding 17% to their holding.
Several insiders buying
ALKT: 2 insiders bought a combined $135.2 million in the 30 days to this week.
ODTX: 7 insiders bought a combined $75.3 million in the 30 days to this week.
AXICY: 2 insiders bought a combined $43.5 million in the 30 days to this week.
Largest sales
DOCN: Access Industries Holdings LLC sold $496 million.
CRGY: Liberty Mutual Foundation Inc. sold $402 million.
JHG: Brian M. Baldwin sold $320.6 million.
Congress trades reported this week
Sen. Tina Smith (D-MN): sell of PODD, $100K–$250K, traded 2026-05-07 (spouse).
Sen. Tina Smith (D-MN): sell of DXCM, $100K–$250K, traded 2026-05-07 (spouse).
Sen. Tina Smith (D-MN): partial sell of PODD, $100K–$250K, traded 2026-04-29 (spouse).
Sen. Tina Smith (D-MN): partial sell of DXCM, $100K–$250K, traded 2026-04-29 (spouse).
Sen. Gary C. Peters (D-MI): sell of CTVA, $15K–$50K, traded 2026-04-23.
Get it by email
The week's insider trading in one short email: what executives bought with their own money, and what it means.
- ▲The biggest insider purchases of the week
- ◆Cluster buys: several insiders buying the same stock
- ★New moves from famous funds and Congress
Sources
- Form 4: Ra Capital Management, L.P., ARTV · filed 2026-05-13
- Form 4: Cascade Investment, LLC, RSG · filed 2026-05-13
- Form 4: Batista De Lima Filho Pedro, AXICY · filed 2026-05-12
- Form 4: Tpg Gp A, LLC, ODTX · filed 2026-05-13
- Form 4: Keith A. Meister, WGS · filed 2026-05-11
- Form 4: Access Industries Holdings LLC, DOCN · filed 2026-05-15
- Form 4: Liberty Mutual Foundation Inc., CRGY · filed 2026-05-11
- Form 4: Brian M. Baldwin, JHG · filed 2026-05-14
About this page
WallStPal explains public SEC filings and congressional stock trade reports in plain English. Nothing is for sale; the site is free and supported by ads.
How to read it
- Form 4
- The form a company insider (officer, director or owner of more than 10%) must file with the SEC within two business days of buying or selling the company's shares.
- 13F
- A quarterly list of U.S. stocks held by an investment manager with more than $100 million, filed within 45 days after each quarter ends.
- STOCK Act
- A 2012 law that requires members of Congress to report stock trades by themselves, a spouse or a dependent child within 45 days.
A real example
In January 2016, when bank stocks were falling, JPMorgan Chase CEO Jamie Dimon bought 500,000 JPMorgan shares with his own money, worth about $26 million. His Form 4 made the purchase public within days, and investors read it as a strong sign of confidence.
Explain it like I'm 13
We read the long, boring forms that grown-ups file with the government and tell you what they say in normal words.
Data from public SEC filings and congressional reports. Information, not investment advice. Check every number against the filing linked on the page.