Sherman Darren

Director · Officer · OBIO

As of 2026-09-16, Sherman Darren has 18 Form 4 transactions on record across 1 company — 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.

Pattern in the record: open-market purchases filed in August in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $6.8MIndirect: $12K$6.8Mas of 2026-09-16
  • Direct $6.8M
  • Indirect $12K
OBIOdirect1,134,402 sh$6.8M
OBIOindirect2,000 sh$12K

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

OBIO · 18 trades
2026-09-01: Sale, 15,000 sh ($74K)2026-08-26: Withheld for tax, 4,925 sh ($26K)2026-08-26: Purchase, 2,000 sh ($11K)2026-08-03: Sale, 15,000 sh ($61K)2026-07-01: Sale, 15,000 sh ($64K)2026-06-01: Sale, 15,000 sh ($58K)2026-05-28: Withheld for tax, 4,925 sh ($20K)2026-03-25: Withheld for tax, 33,317 sh ($152K)2026-02-12: Award / grant, 397,000 sh ($0)2026-01-28: Award / grant, 34,974 sh ($0)2026-01-02: Withheld for tax, 5,588 sh ($24K)2025-11-25: Withheld for tax, 40,340 sh ($216K)2025-09-03: Withheld for tax, 40,340 sh ($110K)2025-08-25: Purchase, 3,000 sh ($8K)2025-08-07: Award / grant, 120,000 sh ($0)2025-05-28: Withheld for tax, 45,843 sh ($135K)2025-04-04: Award / grant, 115,708 sh ($0)2024-12-05: Withheld for tax, 31,815 sh ($177K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-09-01OBIOSale15,000 @ $4.94$74K−1.3% of holding1,134,402Form 4
2026-08-26OBIOPurchase2,000 @ $5.33$11Kownership Δ n/a2,000Form 4
2026-08-03OBIOSale15,000 @ $4.09$61K−1.3% of holding1,154,327Form 4
2026-07-01OBIOSale15,000 @ $4.27$64K−1.3% of holding1,169,327Form 4
2026-06-01OBIOSale15,000 @ $3.87$58K−1.3% of holding1,184,327Form 4
2025-08-25OBIOPurchase3,000 @ $2.62$8K+0.3% of holding926,837Form 4
12 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-26OBIOWithheld for tax4,9251,149,402Form 4
2026-05-28OBIOWithheld for tax4,9251,199,327Form 4
2026-03-25OBIOWithheld for tax33,3171,204,252Form 4
2026-02-12OBIOAward / grant397,0001,237,569Form 4
2026-01-28OBIOAward / grant34,97434,974Form 4
2026-01-02OBIOWithheld for tax5,588840,569Form 4
2025-11-25OBIOWithheld for tax40,340846,157Form 4
2025-09-03OBIOWithheld for tax40,340886,497Form 4
2025-08-07OBIOAward / grant120,000923,837Form 4
2025-05-28OBIOWithheld for tax45,843803,837Form 4
2025-04-04OBIOAward / grant115,708849,680Form 4
2024-12-05OBIOWithheld for tax31,815733,972Form 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.