Heather D Turner

CIK 1403571 · View on SEC EDGAR ↗

Insider

First SEC filing: April 29, 2026 · Latest: April 29, 2026

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Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 8 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

8 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Feb. 9, 2018 ATRA S 10b5-1 1,562 $41.69 $65,120 69,494 Direct -2.20% Disposed -99.1% (price as of 2026-08-20)
Feb. 9, 2018 ATRA S 10b5-1 600 $40.62 $24,372 71,056 Direct -0.84% Disposed -99.1% (price as of 2026-08-20)
Feb. 9, 2018 ATRA S 10b5-1 733 $39.66 $29,071 71,656 Direct -1.01% Disposed -99.0% (price as of 2026-08-20)
Feb. 9, 2018 ATRA S 10b5-1 600 $38.63 $23,178 72,389 Direct -0.82% Disposed -99.0% (price as of 2026-08-20)
Feb. 9, 2018 ATRA S 10b5-1 4,123 $37.38 $154,118 72,989 Direct -5.35% Disposed -99.0% (price as of 2026-08-20)
Feb. 9, 2018 ATRA S 10b5-1 4,596 $36.63 $168,351 77,112 Direct -5.62% Disposed -99.0% (price as of 2026-08-20)
Feb. 9, 2017 ATRA S 10b5-1 633 $16.16 $10,229 86,142 Direct -0.73% Disposed -97.6% (price as of 2026-08-20)
Feb. 9, 2017 ATRA S 10b5-1 11,582 $15.70 $181,837 86,775 Direct -11.78% Disposed -97.6% (price as of 2026-08-20)

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
April 29, 2026 AVLN Stock Option (Right to Buy) Common Stock (26,978) $18.00 April 28, 2036 26,978 Acquired
March 16, 2022 LYEL Option (right to buy) Common Stock (300,000) $5.98 March 15, 2032 300,000 Acquired
Sept. 22, 2016 ATRA Employee Stock Option (Right to Buy) Common Stock (40,000) $20.46 Sept. 22, 2023 40,000 Acquired
Dec. 17, 2015 ATRA Employee Stock Option (Right to Buy) Common Stock (65,000) $22.72 Dec. 17, 2022 65,000 Acquired
Aug. 3, 2015 ATRA Employee Stock Option (Right to Buy) Common Stock (130,000) $56.98 Aug. 3, 2022 130,000 Acquired

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

Initial ownership (Form 3) 6 holdings

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

Date Ticker Security Shares Ownership
April 29, 2026 AVLN Stock Option (right to buy)→ Common Stock (64,919) 64,919 Direct
Sept. 10, 2025 LBRX Employee Stock Option (Right to Buy)→ Common Stock (175,706) 175,706 Direct
Sept. 10, 2025 LBRX Employee Stock Option (Right to Buy)→ Common Stock (7,857) 7,857 Direct
June 16, 2021 LYEL Option (right to buy)→ Common Stock (500,000) 500,000 Direct
June 16, 2021 LYEL Option (right to buy)→ Common Stock (165,000) 165,000 Direct
June 16, 2021 LYEL Option (right to buy)→ Common Stock (550,000) 550,000 Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

ATRA

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2015 $159,614 $88,117 — $5,139,147 — — $40,721 $5,427,598

LBRX

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2025 $568,750 $321,406 — — — — $129,608 $11,884,985

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.