Eric J Hyllengren

CIK 1966926 · View on SEC EDGAR ↗

Insider

First SEC filing: April 7, 2023 · Latest: April 7, 2023

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 13 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

13 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
March 3, 2025 ATRA S 1,211 $7.00 $8,477 56,231 Direct -2.11% Disposed 36.3% (price as of 2026-08-20)
Nov. 18, 2024 ATRA S 1,364 $11.20 $15,277 23,392 Direct -5.51% Disposed -14.8% (price as of 2026-08-20)
Aug. 16, 2024 ATRA S 29 $6.63 $192 24,756 Direct -0.12% Disposed 43.9% (price as of 2026-08-20)
Aug. 16, 2024 ATRA S 1,041 $6.63 $6,902 24,785 Direct -4.03% Disposed 43.9% (price as of 2026-08-20)
May 16, 2024 ATRA S 28,648 $0.62 $17,762 645,671 Direct -4.25% Disposed -38.5% (price as of 2026-08-20)
March 4, 2024 ATRA S 5,217 $0.72 $3,756 674,319 Direct -0.77% Disposed -47.0% (price as of 2026-08-20)
March 4, 2024 ATRA S 1,462 $0.72 $1,053 679,536 Direct -0.21% Disposed -47.0% (price as of 2026-08-20)
Nov. 16, 2023 ATRA S 11,958 $0.39 $4,664 205,998 Direct -5.49% Disposed -2.2% (price as of 2026-08-20)
Aug. 16, 2023 ATRA S 1,778 $1.65 $2,934 217,956 Direct -0.81% Disposed -76.9% (price as of 2026-08-20)
Aug. 16, 2023 ATRA S 6,408 $1.65 $10,573 219,734 Direct -2.83% Disposed -76.9% (price as of 2026-08-20)
May 16, 2023 ATRA S 1,719 $2.04 $3,507 226,142 Direct -0.75% Disposed -81.3% (price as of 2026-08-20)
May 16, 2023 ATRA S 6,199 $2.04 $12,646 227,861 Direct -2.65% Disposed -81.3% (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
July 13, 2026 TNYA Stock Option (Right to buy) Common Stock (1,650,000) $0.84 July 12, 2036 1,650,000 Acquired
March 31, 2025 ATRA Employee Stock Option (Right to Buy) Common Stock (8,961) $97.75 Feb. 28, 2033 8,961 Disposed
March 31, 2025 ATRA Employee Stock Option (Right to Buy) Common Stock (331) $97.75 Feb. 28, 2033 331 Disposed
March 31, 2025 ATRA Employee Stock Option (Right to Buy) Common Stock (543) $255.25 Feb. 29, 2032 543 Disposed
March 31, 2025 ATRA Employee Stock Option (Right to Buy) Common Stock (262) $255.25 Feb. 29, 2032 262 Disposed
March 31, 2025 ATRA Employee Stock Option (Right to Buy) Common Stock (350) $427.63 Feb. 28, 2031 350 Disposed
March 31, 2025 ATRA Employee Stock Option (Right to Buy) Common Stock (381) $427.63 Feb. 28, 2031 381 Disposed
March 31, 2025 ATRA Employee Stock Option (Right to Buy) Common Stock (154) $303.75 Feb. 28, 2030 154 Disposed
March 31, 2025 ATRA Employee Stock Option (Right to Buy) Common Stock (496) $303.75 Feb. 28, 2030 496 Disposed
March 31, 2025 ATRA Employee Stock Option (Right to Buy) Common Stock (460) $961.75 Feb. 5, 2029 460 Disposed
March 31, 2025 ATRA Employee Stock Option (Right to Buy) Common Stock (1,900) $996.25 Sept. 3, 2025 1,900 Disposed

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

Initial ownership (Form 3) 11 holdings

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

Date Ticker Security Shares Ownership
April 7, 2023 ATRA Common Stock — Direct
April 7, 2023 ATRA Employee Stock Option (Right to Buy)→ Common Stock (47,500) 47,500 Direct
April 7, 2023 ATRA Employee Stock Option (Right to Buy)→ Common Stock (11,500) 11,500 Direct
April 7, 2023 ATRA Employee Stock Option (Right to Buy)→ Common Stock (12,526) 12,526 Direct
April 7, 2023 ATRA Employee Stock Option (Right to Buy)→ Common Stock (3,724) 3,724 Direct
April 7, 2023 ATRA Employee Stock Option (Right to Buy)→ Common Stock (9,530) 9,530 Direct
April 7, 2023 ATRA Employee Stock Option (Right to Buy)→ Common Stock (8,768) 8,768 Direct
April 7, 2023 ATRA Employee Stock Option (Right to Buy)→ Common Stock (6,540) 6,540 Direct
April 7, 2023 ATRA Employee Stock Option (Right to Buy)→ Common Stock (17,608) 17,608 Direct
April 7, 2023 ATRA Employee Stock Option (Right to Buy)→ Common Stock (8,298) 8,298 Direct
April 7, 2023 ATRA Employee Stock Option (Right to Buy)→ Common Stock (290,417) 290,417 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
2024 $489,751 $42,357 $266,000 — $117,000 — $11,029 $926,137

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