Insider at

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Insider transactions

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0 buys (P) 0 sells (S) Net: $0 + 3 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Feb. 3, 2015 OSUR A 20,346 · · 20,346 Direct · Acquired (price as of 2026-10-02)
Feb. 3, 2015 OSUR A 7,093 · · 9,857 Direct +256.62% Acquired (price as of 2026-10-02)
Feb. 3, 2015 OSUR F 386 $9.30 $3,590 2,764 Direct -12.25% Disposed -57.4% (price as of 2026-10-02)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Feb. 3, 2015 OSUR Nonqualified stock option Common stock (20,346) $9.30 Feb. 3, 2025 20,346 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 3 holdings

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Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
March 4, 2014 OSUR Common stock 3,150 Direct
March 4, 2014 OSUR Nonqualified stock option→ Common stock (5,000) 5,000 Direct
March 4, 2014 OSUR Nonqualified stock option→ Common stock (9,009) 9,009 Direct