Zenner Marc

Director · OSPN

As of 2026-09-16, Zenner Marc has 9 Form 4 transactions on record across 1 company — 5 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: $1.5MIndirect: $0$1.5Mas of 2026-09-16
  • Direct $1.5M
  • Indirect $0
OSPNdirect83,208 sh$1.5M

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

OSPN · 9 trades
2026-03-04: Purchase, 3,300 sh ($35K)2026-01-05: Award / grant, 9,797 sh ($0)2026-01-02: Option exercise, 6,635 sh ($0)2026-01-02: Option exercise, 6,635 sh ($0)2025-11-04: Purchase, 2,000 sh ($24K)2025-08-08: Purchase, 2,200 sh ($28K)2025-01-09: Option exercise, 12,914 sh ($0)2025-01-09: Option exercise, 12,914 sh ($0)2025-01-02: Award / grant, 6,635 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-03-04OSPNPurchase3,300 @ $10.54$35K+4.1% of holding83,208Form 4
2025-11-04OSPNPurchase2,000 @ $12.13$24K+2.8% of holding73,273Form 4
2025-08-08OSPNPurchase2,200 @ $12.80$28K+3.2% of holding71,273Form 4
6 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-01-05OSPNAward / grant9,7979,797Form 4
2026-01-02OSPNOption exercise6,63579,908Form 4
2026-01-02OSPNOption exercise6,6350Form 4
2025-01-09OSPNOption exercise12,91469,073Form 4
2025-01-09OSPNOption exercise12,9140Form 4
2025-01-02OSPNAward / grant6,6356,635Form 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.