Amar Murugan

CIK 1809916 · View on SEC EDGAR ↗

Insider

First SEC filing: Aug. 20, 2024 · Latest: Aug. 20, 2024

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Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 9 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

9 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Aug. 16, 2024 ATRA S 89 $6.63 $590 26,827 Direct -0.33% Disposed 43.9% (price as of 2026-08-20)
Aug. 16, 2024 ATRA S 192 $6.63 $1,273 26,916 Direct -0.71% Disposed 43.9% (price as of 2026-08-20)
Aug. 16, 2024 ATRA S 877 $6.63 $5,815 27,108 Direct -3.13% Disposed 43.9% (price as of 2026-08-20)
May 16, 2024 ATRA S 32,401 $0.62 $20,089 695,120 Direct -4.45% Disposed -38.5% (price as of 2026-08-20)
March 4, 2024 ATRA S 10,044 $0.72 $7,232 727,521 Direct -1.36% Disposed -47.0% (price as of 2026-08-20)
Nov. 16, 2023 ATRA S 8,307 $0.39 $3,240 257,084 Direct -3.13% Disposed -2.2% (price as of 2026-08-20)
Aug. 16, 2023 ATRA S 3,622 $1.65 $5,976 265,391 Direct -1.35% Disposed -76.9% (price as of 2026-08-20)
Aug. 16, 2023 ATRA S 5,050 $1.65 $8,332 269,013 Direct -1.84% Disposed -76.9% (price as of 2026-08-20)
May 16, 2023 ATRA S 985 $2.04 $2,009 270,945 Direct -0.36% Disposed -81.3% (price as of 2026-08-20)
May 16, 2023 ATRA S 7,404 $2.04 $15,104 271,930 Direct -2.65% Disposed -81.3% (price as of 2026-08-20)
Nov. 16, 2022 ATRA S 10b5-1 3,612 $4.49 $16,218 127,586 Direct -2.75% Disposed -91.5% (price as of 2026-08-20)
Aug. 16, 2022 ATRA S 10b5-1 2,234 $5.04 $11,259 131,198 Direct -1.67% Disposed -92.4% (price as of 2026-08-20)
Aug. 16, 2022 ATRA S 10b5-1 1,196 $5.03 $6,016 133,432 Direct -0.89% Disposed -92.4% (price as of 2026-08-20)
May 17, 2022 ATRA S 10b5-1 906 $5.32 $4,820 133,735 Direct -0.67% Disposed -92.8% (price as of 2026-08-20)
May 17, 2022 ATRA S 10b5-1 2,317 $5.32 $12,326 134,641 Direct -1.69% Disposed -92.8% (price as of 2026-08-20)
March 1, 2022 ATRA S 10b5-1 1,112 $9.86 $10,964 136,958 Direct -0.81% Disposed -96.1% (price as of 2026-08-20)
March 1, 2022 ATRA S 10b5-1 1,465 $9.86 $14,445 138,070 Direct -1.05% Disposed -96.1% (price as of 2026-08-20)
May 18, 2021 ATRA S 10b5-1 5,681 $14.55 $82,659 91,744 Direct -5.83% Disposed -97.4% (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
March 1, 2023 ATRA Employee Stock Option (Right to Buy) Common Stock (349,593) $3.91 Feb. 28, 2033 349,593 Acquired
March 1, 2022 ATRA Employee Stock Option (Right to Buy) Common Stock (97,398) $10.21 Feb. 28, 2032 97,398 Acquired
March 1, 2021 ATRA Employee Stock Option (Right to Buy) Common Stock (63,028) $17.10 Feb. 28, 2031 63,028 Acquired
April 20, 2020 ATRA Employee Stock Option (Right to Buy) Common Stock (110,000) $8.20 April 19, 2030 110,000 Acquired

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

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 $447,654 $49,247 $266,000 — — — $115,527 $878,428
2021 $430,962 — — $714,252 $170,760 — $10,042 $2,040,252

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