New Ask Claude or ChatGPT about any stock, using Bullpen. Bullpen in Claude or ChatGPT. 7 days free

Tuesday, November 10, 2026

Back to the front page

From X

@AsifSuria

Asif Suria on X

We track insider buying in spinoff or their parents in a custom screen on InsideArbitrage that we like to call the Spinsider. There were three companies (spinoffs or parents of spinoffs) that saw insider buying based on Form 4s filed recently. 1. The home safety and security solutions provider Resideo $RESI completed the spinoff of ADI Global Distribution $ADGI just two weeks ago. This week we saw three different insiders of $RESI buy stock on the open market including the CEO and the General Counsel. $RESI was spun out of Honeywell $HON in 2018, making $ADGI Honeywell's grandchild. 2. Enviri $NVRI was less of a spinoff and more of a breakup. It sold its Clean Earth division to to Veolia Environnement S.A. and paid out $15 per share to shareholders from the proceeds of the sale. It then spun out its Harsco Environmental and Rail divisions and renamed them as Enviri just to confuse us a little. This new Enviri saw insider buying by two insiders including the CEO this week. @valuedontlie especially likes these "stubs" as he likes to call them and has done well with stubs like Starz Entertainment $STRZ Much to my detriment, I kept Lions Gate Studios $LION after the spinoff and sold Starz. 3. The building materials company Amrize $AMRZ, which was spun out of Holcim AG in June 2025 continues to see significant insider buying activity. This month six different insiders including the CFO and the Chief Strategy & M&A Officer purchased shares.

The AutoNation Story

AutoNation shed rentals and megastores, focused on dealerships, and retired 91.1% of its shares through buybacks after its 1990s roll-up…

The 10-Q Fills In the Buyback

Empire State Realty Trust bought $86.1 million of stock through November 6, while corrected sum-of-the-parts values range from $9.12 to…

No title

SpaceX’s $24 billion Starbase power plant, Microsoft’s Oracle capacity cuts, Riot’s $72 billion AI lease and Quanta’s sell-off frame…

AUTLF · long

Austal Limited

Austal is a naval and commercial shipbuilder operating in the U.S., Australia and Asia.

Quick Value #337 - Dana Inc (DAN)

Dana is combining with Eaton’s Mobility unit via a 1Q27 Reverse Morris Trust after selling a division, delevering and accelerating buybacks.

Seed Corn

Chiron’s failed $49 million Beaumont sale and $178 million Pinnacle acquisition leave XRN with $70 million of liquidity and medical-office…

STRL: 80 new electricians a week

Sterling’s $4.1 billion backlog faces Texas permitting risk after a governor proposed a moratorium, while Connexion, Capital Asset Planning…

Diamond Estates: Research Note

Diamond Estates converts $4.7 million of Lassonde debentures at a 69% premium, cutting debt to $10.9 million and raising Lassonde ownership…

Vicor Update, Part Four

Vicor’s Federal Circuit hearing put Foxconn’s disputed patent license under pressure, reinforcing its AI server royalty model and licensing…

Publications we follow

Every publication on this site, hand-picked.

130 publications

Newsletters 110

X accounts we follow

Every account on this site, hand-picked.

91 accounts

Investor letters we follow

369 firms

Sectors

Ordered by how often our editor reaches for them.