Mosbrooker Eric

Officer · RNAM, RNA

As of 2026-09-16, Mosbrooker Eric has 21 Form 4 transactions on record across 2 companies — 12 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: $751KIndirect: $0$751Kas of 2026-09-16
  • Direct $751K
  • Indirect $0
RNAdirect79,010 sh$751K

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

RNA · 15 trades
2025-12-17: Withheld for tax, 36,564 sh ($2.6M)2025-12-17: Withheld for tax, 11,426 sh ($821K)2025-12-17: Award / grant, 72,000 sh ($0)2025-10-03: Sale, 6,562 sh ($298K)2025-10-03: Option exercise, 6,562 sh ($59K)2025-10-03: Option exercise, 6,562 sh ($0)2025-09-03: Sale, 6,563 sh ($309K)2025-09-03: Option exercise, 6,563 sh ($59K)2025-09-03: Option exercise, 6,563 sh ($0)2025-08-06: Sale, 124,687 sh ($5.5M)2025-08-06: Option exercise, 124,687 sh ($1.1M)2025-08-06: Sale, 6,120 sh ($270K)2025-08-06: Option exercise, 124,687 sh ($0)2025-01-06: Award / grant, 50,000 sh ($0)2025-01-06: Award / grant, 25,000 sh ($0)
RNAM · 6 trades
2026-02-27: Disposition, 79,413 sh2026-02-27: Disposition, 50,000 sh2026-02-27: Disposition, 79,413 sh2026-02-27: Disposition, 177,188 sh2026-02-27: Disposition, 50,000 sh2026-02-27: Disposition, 177,188 sh

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2025-10-03RNASale6,562 @ $45.38$298K−10.7% of holding55,000Form 4
2025-09-03RNASale6,563 @ $47.07$309K−10.7% of holding55,000Form 4
2025-08-06RNASale124,687 @ $44.06$5.5M−67.1% of holding61,120Form 4
2025-08-06RNASale6,120 @ $44.06$270K−10.0% of holding55,000Form 4
17 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-02-27RNAMDisposition79,4130Form 4
2026-02-27RNAMDisposition50,0000Form 4
2026-02-27RNAMDisposition79,4130Form 4
2026-02-27RNAMDisposition177,1880Form 4
2026-02-27RNAMDisposition50,0000Form 4
2026-02-27RNAMDisposition177,1880Form 4
2025-12-17RNAWithheld for tax36,56490,436Form 4
2025-12-17RNAWithheld for tax11,42679,010Form 4
2025-12-17RNAAward / grant72,000127,000Form 4
2025-10-03RNAOption exercise6,56261,562Form 4
2025-10-03RNAOption exercise6,562177,188Form 4
2025-09-03RNAOption exercise6,56361,563Form 4
2025-09-03RNAOption exercise6,563183,750Form 4
2025-08-06RNAOption exercise124,687185,807Form 4
2025-08-06RNAOption exercise124,687190,313Form 4
2025-01-06RNAAward / grant50,00050,000Form 4
2025-01-06RNAAward / grant25,00061,120Form 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.