Over 12 months, ADTRAN Holdings, Inc. saw more selling than buying from its insiders — purchases of about $500,000 against sales of $2.5 million.
The largest purchase came from STANTON THOMAS R (CEO), about $300,000. That includes C-suite money, which tends to get the most attention.
On the institutional side, 249 funds reported holding ADTN at the end of Q2 2026, and more funds bought than sold. Last full quarter: net buying by insiders. Insiders bought in 2 of the last 7 full quarters.
| Filed | Insider | Role | Type | Shares | Price | Value | Source |
|---|---|---|---|---|---|---|---|
| Aug 7, 2026 | Santo Timothy P | CFO | Buy | 6,579 | $7.60 | $50K | SEC |
| May 22, 2026 | Wilson James Denson Jr | Executive Officer | Sell | 9,332 | $14.72 | $137K | SEC |
| May 11, 2026 | Glingener Christoph | Executive Officer | Sell | 22,277 | $15.00 | $334K | SEC |
| May 11, 2026 | Glingener Christoph | Executive Officer | Sell | 84,895 | $15.06 | $1.3M | SEC |
| May 11, 2026 | Glingener Christoph | Executive Officer | Sell | 41,220 | $14.73 | $607K | SEC |
| Mar 5, 2026 | Jacqueline Hourigan Rice | Director | Sell | 14,406 | $10.29 | $148K | SEC |
| Dec 1, 2025 | Santo Timothy P | CFO | Buy | 6,150 | $8.02 | $49K | SEC |
| Dec 1, 2025 | Theodosopoulos Nikos | Director | Buy | 12,859 | $7.81 | $100K | SEC |
| Nov 25, 2025 | STANTON THOMAS R | CEO | Buy | 40,928 | $7.33 | $300K | SEC |
In the last 12 months ADTRAN Holdings, Inc. insiders made open-market purchases worth about $500,000 and sales worth about $2.5 million. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
The most recent open-market insider trade in ADTN was filed on 2026-08-07.
249 investment managers reported holding ADTN in SEC Form 13F filings for Q2 2026.
No congressional trades in ADTN were reported in the past two years. The full list is free on CapitalSnitch.
Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1). Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).