SEC Insider Transactions from Hyllengren Eric J.

Last updated: 2026-04-02 23:05 UTC | Total transactions: 26

Hyllengren Eric J has filed 26 insider transactions across 2 companies since May 2023.

Most recent transaction: a grant/award of 340900 shares of Zura Bio Ltd ($ZURA) on April 01, 2026.

Activity breakdown: 0 open-market purchases and 12 sales.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
April 1, 2026 Zura Bio Ltd $ZURA Hyllengren Eric J Chief Financial Officer A Employee Share Option (Right to Buy) 340900 $0.00 340,900.0000 94,160,138 9999.99% 0.36%
July 15, 2025 Zura Bio Ltd $ZURA Hyllengren Eric J Chief Financial Officer A Employee Share Option (Right to Buy) 672000 $0.00 672,000.0000 94,289,954 9999.99% 0.71%
March 31, 2025 Atara Biotherapeutics, Inc. $ATRA Hyllengren Eric J Not found D Employee Stock Option (Right to Buy) 496 $0.00 0.0000 7,488,000 100.00% 0.01%
March 31, 2025 Atara Biotherapeutics, Inc. $ATRA Hyllengren Eric J Not found D Employee Stock Option (Right to Buy) 154 $0.00 0.0000 7,488,000 100.00% 0.00%
March 31, 2025 Atara Biotherapeutics, Inc. $ATRA Hyllengren Eric J Not found D Employee Stock Option (Right to Buy) 381 $0.00 0.0000 7,488,000 100.00% 0.01%
March 31, 2025 Atara Biotherapeutics, Inc. $ATRA Hyllengren Eric J Not found D Employee Stock Option (Right to Buy) 350 $0.00 0.0000 7,488,000 100.00% 0.00%
March 31, 2025 Atara Biotherapeutics, Inc. $ATRA Hyllengren Eric J Not found D Employee Stock Option (Right to Buy) 262 $0.00 0.0000 7,488,000 100.00% 0.00%
March 31, 2025 Atara Biotherapeutics, Inc. $ATRA Hyllengren Eric J Not found D Employee Stock Option (Right to Buy) 543 $0.00 160.0000 7,488,000 77.24% 0.01%
March 31, 2025 Atara Biotherapeutics, Inc. $ATRA Hyllengren Eric J Not found D Employee Stock Option (Right to Buy) 331 $0.00 0.0000 7,488,000 100.00% 0.00%
March 31, 2025 Atara Biotherapeutics, Inc. $ATRA Hyllengren Eric J Not found D Employee Stock Option (Right to Buy) 8961 $0.00 2,656.0000 7,488,000 77.14% 0.12%
March 31, 2025 Atara Biotherapeutics, Inc. $ATRA Hyllengren Eric J Not found D Employee Stock Option (Right to Buy) 1900 $0.00 0.0000 7,488,000 100.00% 0.03%
March 31, 2025 Atara Biotherapeutics, Inc. $ATRA Hyllengren Eric J Not found D Employee Stock Option (Right to Buy) 460 $0.00 0.0000 7,488,000 100.00% 0.01%
March 3, 2025 Atara Biotherapeutics, Inc. $ATRA Hyllengren Eric J EVP, CFO and COO S Common Stock 1211 $7.00 56,231.0000 7,488,000 2.11% 0.02%
Jan. 27, 2025 Atara Biotherapeutics, Inc. $ATRA Hyllengren Eric J EVP, CFO and COO A Common Stock 34050 $0.00 57,442.0000 7,488,000 145.56% 0.45%
Nov. 18, 2024 Atara Biotherapeutics, Inc. $ATRA Hyllengren Eric J EVP, CFO and COO S Common Stock 1364 $11.20 23,392.0000 7,466,000 5.51% 0.02%
Aug. 16, 2024 Atara Biotherapeutics, Inc. $ATRA Hyllengren Eric J EVP, CFO S Common Stock 29 $6.63 24,756.0000 4,236,000 0.12% 0.00%
Aug. 16, 2024 Atara Biotherapeutics, Inc. $ATRA Hyllengren Eric J EVP, CFO S Common Stock 1041 $6.63 24,785.0000 4,236,000 4.03% 0.02%
May 16, 2024 Atara Biotherapeutics, Inc. $ATRA Hyllengren Eric J EVP, CFO S Common Stock 28648 $0.62 645,671.0000 4,236,000 4.25% 0.68%
March 4, 2024 Atara Biotherapeutics, Inc. $ATRA Hyllengren Eric J EVP, CFO S Common Stock 5217 $0.72 674,319.0000 4,236,000 0.77% 0.12%
March 4, 2024 Atara Biotherapeutics, Inc. $ATRA Hyllengren Eric J EVP, CFO S Common Stock 1462 $0.72 679,536.0000 4,236,000 0.21% 0.03%
Jan. 8, 2024 Atara Biotherapeutics, Inc. $ATRA Hyllengren Eric J EVP, CFO A Common Stock 475000 $0.00 680,998.0000 4,236,000 230.58% 11.21%
Nov. 16, 2023 Atara Biotherapeutics, Inc. $ATRA Hyllengren Eric J SVP, CFO S Common Stock 11958 $0.39 205,998.0000 0 5.49% 0.00%
Aug. 16, 2023 Atara Biotherapeutics, Inc. $ATRA Hyllengren Eric J SVP, CFO S Common Stock 6408 $1.65 219,734.0000 0 2.83% 0.00%
Aug. 16, 2023 Atara Biotherapeutics, Inc. $ATRA Hyllengren Eric J SVP, CFO S Common Stock 1778 $1.65 217,956.0000 0 0.81% 0.00%
May 16, 2023 Atara Biotherapeutics, Inc. $ATRA Hyllengren Eric J SVP, CFO S Common Stock 6199 $2.04 227,861.0000 0 2.65% 0.00%
May 16, 2023 Atara Biotherapeutics, Inc. $ATRA Hyllengren Eric J SVP, CFO S Common Stock 1719 $2.04 226,142.0000 0 0.75% 0.00%