Nierenberg Eric

Officer · CRAI

As of 2026-09-16, Nierenberg Eric has 16 Form 4 transactions on record across 1 company — 14 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $151KIndirect: $0$151Kas of 2026-09-16
  • Direct $151K
  • Indirect $0
CRAIdirect918 sh$151K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

CRAI · 16 trades
2026-09-14: Award / grant, 3 sh ($0)2026-09-14: Award / grant, 2 sh ($0)2026-08-04: Withheld for tax, 54 sh ($10K)2026-08-04: Disposition, 2 sh ($423)2026-08-04: Option exercise, 185 sh ($0)2026-08-04: Option exercise, 185 sh2026-08-04: Option exercise, 185 sh2026-08-04: Option exercise, 185 sh2026-08-04: Option exercise, 185 sh2026-06-12: Award / grant, 3 sh ($0)2026-06-12: Award / grant, 3 sh ($0)2026-04-09: Award / grant, 911 sh ($0)2026-03-20: Award / grant, 3 sh ($0)2025-12-12: Award / grant, 2 sh ($0)2025-09-12: Award / grant, 2 sh ($0)2025-08-04: Award / grant, 734 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
16 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-09-14CRAIAward / grant3918Form 4
2026-09-14CRAIAward / grant2560Form 4
2026-08-04CRAIWithheld for tax54129Form 4
2026-08-04CRAIDisposition2183Form 4
2026-08-04CRAIOption exercise185558Form 4
2026-08-04CRAIOption exercise185185Form 4
2026-08-04CRAIOption exercise185185Form 4
2026-08-04CRAIOption exercise185185Form 4
2026-08-04CRAIOption exercise185185Form 4
2026-06-12CRAIAward / grant3914Form 4
2026-06-12CRAIAward / grant3743Form 4
2026-04-09CRAIAward / grant911911Form 4
2026-03-20CRAIAward / grant3741Form 4
2025-12-12CRAIAward / grant2738Form 4
2025-09-12CRAIAward / grant2736Form 4
2025-08-04CRAIAward / grant734734Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.