Tina Donikowski
Insider
IndividualSelling only1 10b5-1 trade
- 2024
- Jul 1, 2026
- 8
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Tina Donikowski files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Stephen Douglas Kelley - $15.83M in AEIS purchases and sales in the last 12 months
- Eduardo Bernal Acebedo - $7.81M in AEIS purchases and sales in the last 12 months
- John A. Roush - $3.31M in AEIS purchases and sales in the last 12 months
- Robert M. Buck - $2.09M in BLD purchases and sales in the last 12 months
- Paul R. Oldham - $1.66M in AEIS purchases and sales in the last 12 months
- Elizabeth Karpinski Vonne - $1.42M in AEIS purchases and sales in the last 12 months
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Frequently asked questions
Who is Tina Donikowski?
Tina Donikowski is a corporate insider of QXO Insulation, LLC (BLD). InsiderAlpha holds 8 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Tina Donikowski last file a Form 4?
The most recent primary Form 4 on record is dated 1 July 2026, one of 8 filings going back to 2024.
Has Tina Donikowski been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($843K) across all tracked filings.
