Brian N Cherry

CIK 1290922 · View on SEC EDGAR ↗

Insider

First SEC filing: Jan. 13, 2026 · Latest: Jan. 13, 2026

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Insider at

Insider transactions

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.

Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
June 11, 2026 ATRA A 24,000 62,320 Direct +62.63% Acquired (price as of 2026-08-19)
Jan. 12, 2026 ZYME A 15,400 15,400 Direct Acquired (price as of 2026-08-19)
Jan. 12, 2026 ZYME A 23,000 23,000 Direct Acquired (price as of 2026-08-19)

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.

Date Ticker Security Underlying Exercise price Expiration Shares A/D
Jan. 12, 2026 ZYME Restricted Stock Unit Common Stock (15,400) 15,400 Acquired
Jan. 12, 2026 ZYME Stock Option (Right to Buy) Common Stock (23,000) $23.16 Jan. 11, 2036 23,000 Acquired

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

Initial ownership (Form 3) 3 holdings

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

Date Ticker Security Shares Ownership
June 15, 2026 ATRA Common Stock 38,320 Direct
Jan. 13, 2026 ZYME No securities are beneficially owned 0 Direct
Jan. 13, 2026 ZYME No securities are beneficially owned→ Not applicable (0) 0 Direct