BARNES CORBIN

Officer · IOSP

As of 2026-09-16, BARNES CORBIN has 14 Form 4 transactions on record across 1 company — 3 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: $1.2MIndirect: $0$1.2Mas of 2026-09-16
  • Direct $1.2M
  • Indirect $0
IOSPdirect13,080 sh$1.2M

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

IOSP · 14 trades
2026-02-27: Withheld for tax, 166 sh ($13K)2026-02-23: Award / grant, 2,481 sh ($0)2026-02-16: Award / grant, 1,730 sh ($0)2025-05-13: Withheld for tax, 740 sh ($68K)2025-02-24: Sale, 598 sh ($62K)2025-02-24: Option exercise, 598 sh ($60K)2025-02-24: Option exercise, 598 sh ($0)2025-02-24: Award / grant, 1,687 sh ($0)2025-02-21: Sale, 2,692 sh ($278K)2025-02-21: Disposition, 200 sh ($20K)2025-02-21: Option exercise, 200 sh ($20K)2025-02-21: Award / grant, 2,692 sh ($0)2025-02-21: Option exercise, 200 sh ($0)2024-11-18: Sale, 307 sh ($36K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2025-02-24IOSPSale598 @ $103.06$62K−6.9% of holding8,051Form 4
2025-02-21IOSPSale2,692 @ $103.30$278K−25.1% of holding8,051Form 4
2024-11-18IOSPSale307 @ $117.52$36K−3.7% of holding8,051Form 4
11 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-02-27IOSPWithheld for tax16613,080Form 4
2026-02-23IOSPAward / grant2,48113,246Form 4
2026-02-16IOSPAward / grant1,73010,765Form 4
2025-05-13IOSPWithheld for tax7408,998Form 4
2025-02-24IOSPOption exercise5988,649Form 4
2025-02-24IOSPOption exercise5980Form 4
2025-02-24IOSPAward / grant1,6879,738Form 4
2025-02-21IOSPDisposition2008,051Form 4
2025-02-21IOSPOption exercise2008,251Form 4
2025-02-21IOSPAward / grant2,69210,743Form 4
2025-02-21IOSPOption exercise2000Form 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.