Andersen Group (ANDG) stock: insider trades, news & valuation
Strong buyingShare price and insider trades
Andersen Group insider trading at a glance (Oct 9, 2026): in the past 12 months, 5 insiders bought $8.2M and 1 sold $13.5M of ANDG stock on the open market, including a cluster buy that began Dec 17, 2025.
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ANDG insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | — | 0 | $13.5M | 1 |
| Q2 2026 | $85K | 1 | — | 0 |
| Q1 2026 | — | 0 | — | 0 |
| Q4 2025 | $8.1M | 6 | — | 0 |
Valuation, profit and volume
Summary
Over the past 12 months, 5 Andersen Group Inc. insiders reported open-market purchases totaling $8.2M, while 1 insider reported sales totaling $13.5M. The most recent cluster buy began on Dec 17, 2025, when 5 insiders bought a combined $8.1M. Among insiders with enough purchase history to measure, Robert V Gunderson Jr. (Director) has the highest Insider Score at 77. 0 of 1 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
ANDG earnings: how the stock reacted
Each quarterly results release (SEC 8-K Item 2.02), the trend before it, insider trades in the 30 days before, and the 2-day market reaction. “E” marks releases on the chart above.
| Release | 15 days before | Insiders, 30 days before | Reaction (2 days) | Next 30 days |
|---|---|---|---|---|
| Aug 12, 2026 | +3.3% | None | -0.4%S&P +0.9% | +11.1% |
| May 12, 2026 | +1.9% | None | -3.1%S&P +0.4% | +6.4% |
| Mar 17, 2026 | +0.9% | None | +21.0%S&P -1.1% | +18.6% |
Most companies bar insiders from trading in the weeks before results, so pre-earnings purchases are rare and often made by directors or under pre-set plans. Past reactions don't predict future ones.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Jul 9SEC | Durable Capital Partners Lp10% Owner | Sell | 336,7361,333,749 held (−20%) | $40.01 | $13.5M | +42.0% | — |
| May 22SEC | Robert V Gunderson Jr.Director | Buy | 2,36715,000 held (+19%) | $35.82 | $85K | +58.6% | 77 |
| Dec 22SEC | Robert V Gunderson Jr.Director | Buy | 12,633new position | $16.00 | $202K | +255.1% | 77 |
| Dec 22SEC | John R JoyceDirector | Buy | 10,422new position | $16.00 | $167K | +255.1% | — |
| Dec 22SEC | John NicolaiDirector | Buy | 9,475new position | $16.00 | $152K | +255.1% | — |
| Dec 22SEC | Ronald L OlsonDirector | Buy | 7,896new position | $16.00 | $126K | +255.1% | — |
| Dec 19SEC | Durable Capital Partners Lp10% Owner | Buy | 250,0001,562,500 held (+19%) | $20.59 | $5.1M | +176.0% | — |
| Dec 19SEC | Durable Capital Partners Lp10% Owner | Buy | 107,9851,670,485 held (+7%) | $21.36 | $2.3M | +166.0% | — |
Insiders at Andersen Group Inc.
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Durable Capital Partners Lp10% Owner | $7.5M | $13.5M | Jul 9, 2026 | — |
| Robert V Gunderson Jr.Director | $287K | — | May 22, 2026 | 77 |
| John R JoyceDirector | $167K | — | Dec 22, 2025 | — |
| John NicolaiDirector | $152K | — | Dec 22, 2025 | — |
| Ronald L OlsonDirector | $126K | — | Dec 22, 2025 | — |
ANDG stock: common questions
Are Andersen Group Inc. insiders buying ANDG stock?
In the past 12 months, 5 insiders reported open-market purchases of ANDG worth $8.2M. The latest was Director Robert V Gunderson Jr. bought $85K of ANDG at $35.82.
Are Andersen Group Inc. insiders selling ANDG stock?
1 insiders reported sales worth $13.5M over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is ANDG's 52-week range?
Over the past year ANDG has traded between $18.34 and $57.45. It last closed at $56.82 on Oct 9, 2026.