SEC Insider Transactions from LAZAR JACK R.

Last updated: 2026-04-03 21:06 UTC | Total transactions: 71

Jack R. Lazar, a director, made no open market purchases but conducted notable sales of BOX Inc. ($BOX) and Astera Labs ($ALAB) shares over the past year. He sold BOX shares twice for a total of $240,000, with the latest on December 4, 2025, ranking him 8,045th among nearly 12,000 insiders by sale value. For ALAB, Lazar sold shares 20 times totaling 5.3 million dollars, most recently on March 5, 2026, placing 1,846th—well above the average insider's 8.6 million dollars across 6.4 transactions.

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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 RESIDEO TECHNOLOGIES, INC. $REZI LAZAR JACK R Not found A Common Stock 928 $34.33 116,710.0000 154,000,000 0.80% 0.00%
March 16, 2026 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 2500 $130.00 84,851.0000 179,551,000 2.86% 0.00%
March 5, 2026 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 212 $122.02 87,636.0000 179,551,000 0.24% 0.00%
March 5, 2026 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 1035 $121.30 87,848.0000 179,551,000 1.16% 0.00%
March 5, 2026 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 3167 $119.49 90,083.0000 179,551,000 3.40% 0.00%
March 5, 2026 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 1601 $118.15 93,250.0000 179,551,000 1.69% 0.00%
March 5, 2026 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 1200 $120.22 88,883.0000 179,551,000 1.33% 0.00%
March 5, 2026 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 285 $123.50 87,351.0000 179,551,000 0.33% 0.00%
Jan. 1, 2026 RESIDEO TECHNOLOGIES, INC. $REZI LAZAR JACK R Not found A Common Stock 901 $35.36 115,782.0000 154,000,000 0.78% 0.00%
Dec. 4, 2025 BOX INC $BOX LAZAR JACK R Not found S Class A Common Stock 2500 $31.77 25,355.0000 150,060,000 8.98% 0.00%
Nov. 20, 2025 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 296 $159.09 94,851.0000 180,631,000 0.31% 0.00%
Nov. 20, 2025 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 286 $157.85 95,147.0000 180,631,000 0.30% 0.00%
Nov. 20, 2025 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 159 $154.08 95,433.0000 180,631,000 0.17% 0.00%
Nov. 20, 2025 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 166 $152.67 95,592.0000 180,631,000 0.17% 0.00%
Nov. 20, 2025 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 219 $149.17 95,758.0000 180,631,000 0.23% 0.00%
Nov. 20, 2025 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 168 $147.58 95,977.0000 180,631,000 0.17% 0.00%
Nov. 20, 2025 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 461 $143.60 96,722.0000 180,631,000 0.47% 0.00%
Nov. 20, 2025 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 168 $142.31 97,183.0000 180,631,000 0.17% 0.00%
Nov. 20, 2025 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 577 $145.97 96,145.0000 180,631,000 0.60% 0.00%
Oct. 1, 2025 RESIDEO TECHNOLOGIES, INC. $REZI LAZAR JACK R Not found A Common Stock 747 $42.68 114,881.0000 154,000,000 0.65% 0.00%
Sept. 26, 2025 BOX INC $BOX LAZAR JACK R Not found S Class A Common Stock 5000 $32.20 27,855.0000 148,643,000 15.22% 0.00%
Aug. 27, 2025 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 8718 $177.73 109,580.0000 131,262,000 7.37% 0.01%
Aug. 27, 2025 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 8706 $178.83 100,874.0000 131,262,000 7.94% 0.01%
Aug. 27, 2025 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 1553 $176.73 118,298.0000 131,262,000 1.30% 0.00%
Aug. 27, 2025 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 73 $183.09 97,351.0000 131,262,000 0.07% 0.00%
Aug. 27, 2025 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 3450 $179.79 97,424.0000 131,262,000 3.42% 0.00%
July 1, 2025 RESIDEO TECHNOLOGIES, INC. $REZI LAZAR JACK R Not found A Common Stock 1360 $22.51 114,134.0000 149,000,000 1.21% 0.00%
June 27, 2025 BOX INC $BOX LAZAR JACK R Not found A Class A Common Stock 6158 $0.00 32,855.0000 148,643,000 23.07% 0.00%
June 8, 2025 Astera Labs, Inc. $ALAB LAZAR JACK R Director A Common Stock 2351 $0.00 119,851.0000 131,262,000 2.00% 0.00%
June 4, 2025 RESIDEO TECHNOLOGIES, INC. $REZI LAZAR JACK R Not found A Common Stock 7887 $0.00 112,774.0000 149,000,000 7.52% 0.01%
April 1, 2025 RESIDEO TECHNOLOGIES, INC. $REZI LAZAR JACK R Not found A Common Stock 1729 $17.71 104,887.0000 149,000,000 1.68% 0.00%
Feb. 18, 2025 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 229 $93.84 117,500.0000 131,262,000 0.19% 0.00%
Feb. 18, 2025 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 13 $88.60 122,487.0000 131,262,000 0.01% 0.00%
Feb. 18, 2025 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 2233 $91.11 120,254.0000 131,262,000 1.82% 0.00%
Feb. 18, 2025 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 1979 $91.82 118,275.0000 131,262,000 1.65% 0.00%
Feb. 18, 2025 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 546 $92.76 117,729.0000 131,262,000 0.46% 0.00%
Jan. 2, 2025 RESIDEO TECHNOLOGIES, INC. $REZI LAZAR JACK R Not found A Common Stock 1329 $23.03 103,158.0000 149,000,000 1.31% 0.00%
Nov. 15, 2024 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 697 $88.29 122,500.0000 156,831,000 0.57% 0.00%
Nov. 15, 2024 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 6225 $85.73 128,775.0000 156,831,000 4.61% 0.00%
Nov. 15, 2024 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 3120 $86.61 125,655.0000 156,831,000 2.42% 0.00%
Nov. 15, 2024 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 2458 $87.47 123,197.0000 156,831,000 1.96% 0.00%
Nov. 12, 2024 BOX INC $BOX LAZAR JACK R Not found S Class A Common Stock 2500 $34.75 26,697.0000 149,071,000 8.56% 0.00%
Oct. 11, 2024 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 2000 $69.95 135,000.0000 156,831,000 1.46% 0.00%
Oct. 9, 2024 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 3000 $61.69 137,000.0000 156,831,000 2.14% 0.00%
Oct. 1, 2024 RESIDEO TECHNOLOGIES, INC. $REZI LAZAR JACK R Not found A Common Stock 1515 $19.81 101,829.0000 149,000,000 1.51% 0.00%
Sept. 23, 2024 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 17954 $50.69 142,046.0000 37,131,000 11.22% 0.05%
Sept. 23, 2024 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 2046 $51.06 140,000.0000 37,131,000 1.44% 0.01%
Sept. 23, 2024 Astera Labs, Inc. $ALAB LAZAR JACK R Director S Common Stock 5000 $50.71 160,000.0000 37,131,000 3.03% 0.01%
Sept. 3, 2024 ThredUp Inc. $TDUP LAZAR JACK R Director P Class A Common Stock 20000 $0.94 298,258.0000 112,386,000 7.19% 0.02%
Aug. 30, 2024 ThredUp Inc. $TDUP LAZAR JACK R Director P Class A Common Stock 10000 $0.91 278,258.0000 112,386,000 3.73% 0.01%
Aug. 29, 2024 BOX INC $BOX LAZAR JACK R Not found S Class A Common Stock 7000 $32.68 29,197.0000 148,586,000 19.34% 0.00%
July 24, 2024 ThredUp Inc. $TDUP LAZAR JACK R Director A Class A Common Stock 9817 $0.00 268,258.0000 112,386,000 3.80% 0.01%
July 2, 2024 BOX INC $BOX LAZAR JACK R Not found A Class A Common Stock 7590 $0.00 36,197.0000 148,586,000 26.53% 0.01%
July 1, 2024 RESIDEO TECHNOLOGIES, INC. $REZI LAZAR JACK R Not found A Common Stock 1546 $19.42 100,314.0000 148,000,000 1.57% 0.00%
June 5, 2024 RESIDEO TECHNOLOGIES, INC. $REZI LAZAR JACK R Not found A Common Stock 7600 $0.00 98,768.0000 148,000,000 8.34% 0.01%
May 14, 2024 RESIDEO TECHNOLOGIES, INC. $REZI LAZAR JACK R Not found S Common Stock 9000 $21.80 91,168.0000 148,000,000 8.98% 0.01%
April 22, 2024 ThredUp Inc. $TDUP LAZAR JACK R Director A Class A Common Stock 9026 $0.00 181,078.0000 110,217,000 5.25% 0.01%
April 22, 2024 ThredUp Inc. $TDUP LAZAR JACK R Director A Class A Common Stock 77363 $0.00 258,441.0000 110,217,000 42.72% 0.07%
April 1, 2024 RESIDEO TECHNOLOGIES, INC. $REZI LAZAR JACK R Director A Common Stock 1351 $22.19 100,168.0000 148,000,000 1.37% 0.00%
March 22, 2024 Astera Labs, Inc. $ALAB LAZAR JACK R Not found P Common Stock 10000 $36.00 165,000.0000 37,131,000 6.45% 0.03%
Feb. 26, 2024 ThredUp Inc. $TDUP LAZAR JACK R Director A Class A Common Stock 8090 $0.00 172,052.0000 108,784,000 4.93% 0.01%
Jan. 2, 2024 RESIDEO TECHNOLOGIES, INC. $REZI LAZAR JACK R Director A Common Stock 1619 $18.53 98,817.0000 148,000,000 1.67% 0.00%
Oct. 17, 2023 ThredUp Inc. $TDUP LAZAR JACK R Director A Class A Common Stock 4976 $0.00 163,962.0000 101,532,000 3.13% 0.00%
Aug. 2, 2023 ThredUp Inc. $TDUP LAZAR JACK R Director A Class A Common Stock 6164 $0.00 158,986.0000 101,532,000 4.03% 0.01%
June 27, 2023 BOX INC $BOX LAZAR JACK R Director A Class A Common Stock 7052 $0.00 28,607.0000 150,192,000 32.72% 0.00%
June 15, 2023 BOX INC $BOX LAZAR JACK R Director S Common Stock 5000 $29.95 21,555.0000 150,192,000 18.83% 0.00%
May 24, 2023 ThredUp Inc. $TDUP LAZAR JACK R Director A Class A Common Stock 55872 $0.00 152,822.0000 101,532,000 57.63% 0.06%
May 3, 2023 ThredUp Inc. $TDUP LAZAR JACK R Director A Class A Common Stock 5587 $0.00 96,950.0000 101,532,000 6.12% 0.01%
April 5, 2023 BOX INC $BOX LAZAR JACK R Director S Class A Common Stock 5000 $26.95 26,555.0000 150,192,000 15.85% 0.00%
March 9, 2022 ThredUp Inc. $TDUP LAZAR JACK R Director P Class A Common Stock 13156 $7.51 104,519.0000 0 14.40% 0.00%
Feb. 15, 2023 ThredUp Inc. $TDUP LAZAR JACK R Director A Class A Common Stock 8982 $0.00 104,519.0000 101,532,000 9.40% 0.01%