Charlene A. Banard

CIK 1919506 · View on SEC EDGAR ↗

Insider

First SEC filing: Dec. 16, 2022 · Latest: Dec. 16, 2022

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Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 2 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

2 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
May 16, 2023 ATRA S 19,040 $2.04 $38,842 276,010 Direct -6.45% Disposed -81.8% (price as of 2026-08-21)

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
March 1, 2023 ATRA Employee Stock Option (Right to Buy) Common Stock (314,325) $3.91 Feb. 28, 2033 314,325 Acquired

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

Initial ownership (Form 3) 2 holdings

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

Date Ticker Security Shares Ownership
Dec. 16, 2022 ATRA Common Stock Direct
Dec. 16, 2022 ATRA Employee Stock Option (Right to Buy)→ Common Stock (292,023) 292,023 Direct