Filings (90d)
0
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Mark D. Hartman 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.
- Scott H. Keeney - $56.23M in LASR purchases and sales in the last 12 months
- Joseph John Corso - $9.24M in LASR purchases and sales in the last 12 months
- Raymond A. Link - $2.06M in LASR purchases and sales in the last 12 months
- James Nias - $850K in LASR purchases and sales in the last 12 months
- William Gossman - $665K in LASR purchases and sales in the last 12 months
- Geoffrey Moore - $171K in LASR purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Mark D. Hartman?
Mark D. Hartman is a corporate insider, tracked as Director of NLIGHT, INC. (LASR). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Mark D. Hartman last file a Form 4?
The most recent primary Form 4 on record is dated 10 June 2026, one of 2 filings going back to 2025.
