Filings (90d)
Other insiders active in the same sector
No other insider has filed at Roelof Rongen's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- Daniel Patrick O'Day - $55.33M in GILD purchases and sales in the last 12 months
- RA CAPITAL MANAGEMENT, L.P. - $54.63M in WVE purchases and sales in the last 12 months
- John E. Kao - $54.16M in ALHC purchases and sales in the last 12 months
- ORBIMED ADVISORS LLC - $51.68M in ELVN purchases and sales in the last 12 months
- Mahkam Zanganeh - $51.45M in SMMT purchases and sales in the last 12 months
- Robert W. Duggan - $51.45M in SMMT purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Roelof Rongen?
Roelof Rongen is a corporate insider, tracked as Director of GRI Bio, Inc. (GRI). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Roelof Rongen last file a Form 4?
The most recent primary Form 4 on record is dated 18 September 2025, one of 3 filings going back to 2025.