BillionToOne, Inc. - BLLN

Insiders (Form 4) · last 180 days · showing up to 200 transactions · Form 144 is shown in the SEC filings tab · Updating…
Visible: 0
Transaction codes: P = Open-market purchase · S = Open-market sale · A = Grant/award · M = Exercise/conversion of derivative · G = Gift · F = Tax withholding · J = Other · A/D: A = Acquired (buy/receive) · D = Disposed (sell/give)
Filed Owner Title Code A/D Shares Price Value Shares after SEC
Sep 30, 2026 Chairman and CEO M D 8,333.0 2.8 23,332.4 493,629.0 View
Sep 30, 2026 Chairman and CEO S D 2,666.0 120.64 321,626.24 154,502.0 View
Sep 30, 2026 Chairman and CEO S D 8,333.0 120.64 1,005,293.12 0.0 View
Sep 30, 2026 Chairman and CEO M A 8,333.0 2.8 23,332.4 8,333.0 View
Sep 28, 2026 Chief Technology Officer M D 3,333.0 2.8 9,332.4 556,667.0 View
Sep 28, 2026 Chief Technology Officer S D 3,333.0 125.0 416,625.0 1,000.0 View
Sep 28, 2026 Chief Technology Officer M A 3,333.0 2.8 9,332.4 4,333.0 View
Sep 28, 2026 SVP of Laboratory Operations S D 1,416.0 120.0 169,920.0 22,219.0 View
Sep 23, 2026 SVP of Laboratory Operations S D 1,416.0 106.61 150,959.76 23,635.0 View
Sep 21, 2026 See Remarks M D 5,840.0 30.78 179,755.2 30,834.0 View
Sep 21, 2026 See Remarks M D 2,920.0 17.12 49,990.4 5,417.0 View
Sep 21, 2026 See Remarks M D 6,968.0 11.55 80,480.4 4,063.0 View
Sep 21, 2026 See Remarks M D 19,384.0 8.65 167,671.6 48,974.0 View
Sep 21, 2026 See Remarks S D 5,840.0 110.2931 644,111.7 700.0 View
Sep 21, 2026 See Remarks S D 2,920.0 110.3083 322,100.24 6,540.0 View
Sep 21, 2026 See Remarks S D 6,968.0 110.2986 768,560.64 9,460.0 View
Sep 21, 2026 See Remarks S D 19,384.0 110.3587 2,139,193.04 16,428.0 View
Sep 21, 2026 See Remarks M A 5,840.0 30.78 179,755.2 35,812.0 View
Sep 21, 2026 See Remarks M A 2,920.0 17.12 49,990.4 29,972.0 View
Sep 21, 2026 See Remarks M A 6,968.0 11.55 80,480.4 27,052.0 View
Sep 21, 2026 See Remarks M A 19,384.0 8.65 167,671.6 20,084.0 View
Sep 16, 2026 Chairman and CEO M D 8,333.0 2.8 23,332.4 501,962.0 View
Sep 16, 2026 Chairman and CEO M D 16,666.0 2.8 46,664.8 510,295.0 View
Sep 16, 2026 Chairman and CEO S D 2,666.0 98.0 261,268.0 157,168.0 View
Sep 16, 2026 Chairman and CEO S D 2,666.0 98.0 261,268.0 159,834.0 View
Sep 16, 2026 Chairman and CEO S D 3,143.0 101.4919 318,989.04 0.0 View
Sep 16, 2026 Chairman and CEO S D 2,010.0 100.7756 202,558.96 3,143.0 View
Sep 16, 2026 Chairman and CEO S D 1,500.0 99.5683 149,352.45 5,153.0 View
Sep 16, 2026 Chairman and CEO S D 1,680.0 98.6358 165,708.14 6,653.0 View
Sep 16, 2026 Chairman and CEO S D 7,214.0 101.4407 731,793.21 8,333.0 View
Sep 16, 2026 Chairman and CEO S D 2,531.0 100.5809 254,570.26 15,547.0 View
Sep 16, 2026 Chairman and CEO S D 2,456.0 99.5713 244,547.11 18,078.0 View
Sep 16, 2026 Chairman and CEO S D 4,465.0 98.6314 440,389.2 20,534.0 View
Sep 16, 2026 Chairman and CEO M A 8,333.0 2.8 23,332.4 24,999.0 View
Sep 16, 2026 Chairman and CEO M A 16,666.0 2.8 46,664.8 16,666.0 View
Sep 14, 2026 Chief Product Officer G D 3,500.0 0.0 0.0 196,500.0 View
Sep 11, 2026 Chief Technology Officer M D 10,000.0 2.8 28,000.0 560,000.0 View
Sep 11, 2026 Chief Technology Officer M D 10,000.0 2.8 28,000.0 570,000.0 View
Sep 11, 2026 Chief Technology Officer S D 10,000.0 100.0 1,000,000.0 1,000.0 View
Sep 11, 2026 Chief Technology Officer S D 10,000.0 97.54 975,400.0 11,000.0 View
Sep 11, 2026 Chief Technology Officer M A 10,000.0 2.8 28,000.0 21,000.0 View
Sep 11, 2026 Chief Technology Officer M A 10,000.0 2.8 28,000.0 11,000.0 View
Sep 11, 2026 SVP of Laboratory Operations S D 1,416.0 97.54 138,116.64 25,051.0 View
Sep 10, 2026 See Remarks M D 3,326.0 30.78 102,374.28 36,674.0 View
Sep 10, 2026 See Remarks M D 1,663.0 17.12 28,470.56 8,337.0 View
Sep 10, 2026 See Remarks M D 3,969.0 11.55 45,841.95 11,031.0 View
Sep 10, 2026 See Remarks M D 11,042.0 8.65 95,513.3 68,358.0 View
Sep 10, 2026 See Remarks S D 232.0 100.9242 23,414.41 700.0 View
Sep 10, 2026 See Remarks S D 2,518.0 100.1959 252,293.28 932.0 View
Sep 10, 2026 See Remarks S D 576.0 98.8882 56,959.6 3,450.0 View
Sep 10, 2026 See Remarks S D 147.0 101.4077 14,906.93 4,026.0 View
Sep 10, 2026 See Remarks S D 1,131.0 100.3261 113,468.82 4,173.0 View
Sep 10, 2026 See Remarks S D 385.0 99.223 38,200.86 5,304.0 View
Sep 10, 2026 See Remarks S D 358.0 100.8234 36,094.78 5,689.0 View
Sep 10, 2026 See Remarks S D 2,997.0 100.1135 300,040.16 6,047.0 View
Sep 10, 2026 See Remarks S D 614.0 98.9986 60,785.14 9,044.0 View
Sep 10, 2026 See Remarks S D 775.0 100.8289 78,142.4 9,658.0 View
Sep 10, 2026 See Remarks S D 8,285.0 100.1228 829,517.4 10,433.0 View
Sep 10, 2026 See Remarks S D 1,944.0 98.9662 192,390.29 18,718.0 View
Sep 10, 2026 See Remarks S D 38.0 96.4739 3,666.01 20,662.0 View
Sep 10, 2026 See Remarks M A 3,326.0 30.78 102,374.28 20,700.0 View
Sep 10, 2026 See Remarks M A 1,663.0 17.12 28,470.56 17,374.0 View
Sep 10, 2026 See Remarks M A 3,969.0 11.55 45,841.95 15,711.0 View
Sep 10, 2026 See Remarks M A 11,042.0 8.65 95,513.3 11,742.0 View
Sep 10, 2026 Chairman and CEO C D 20,000.0 0.0 0.0 2,197,542.0 View
Sep 10, 2026 Chairman and CEO G D 20,000.0 0.0 0.0 0.0 View
Sep 10, 2026 Chairman and CEO C A 20,000.0 0.0 0.0 20,000.0 View
Sep 08, 2026 Chief Technology Officer C D 20,000.0 0.0 0.0 2,305,108.0 View
Sep 08, 2026 Chief Technology Officer G D 20,000.0 0.0 0.0 1,000.0 View
Sep 08, 2026 Chief Technology Officer C A 20,000.0 0.0 0.0 21,000.0 View
Aug 28, 2026 — J A 5,644.0 0.0 0.0 57,839.0 View
Aug 28, 2026 — J A 15,244.0 0.0 0.0 52,195.0 View
Aug 28, 2026 — J A 1,666.0 0.0 0.0 36,951.0 View
Aug 28, 2026 — J A 5,761.0 0.0 0.0 35,285.0 View
Aug 28, 2026 — J A 719.0 0.0 0.0 2,157.0 View
Aug 28, 2026 — J A 719.0 0.0 0.0 2,157.0 View
Aug 28, 2026 — J D 10,921.0 0.0 0.0 76,441.0 View
Aug 28, 2026 — J D 38,106.0 0.0 0.0 0.0 View
Aug 28, 2026 — J A 38,106.0 0.0 0.0 38,106.0 View
Aug 28, 2026 — J D 271,028.0 0.0 0.0 1,897,202.0 View
Aug 28, 2026 — J D 2,405.0 0.0 0.0 0.0 View
Aug 28, 2026 — J A 2,405.0 0.0 0.0 2,405.0 View
Aug 28, 2026 — J D 24,222.0 0.0 0.0 169,550.0 View
Aug 28, 2026 — J D 7,980.0 0.0 0.0 0.0 View
Aug 28, 2026 — J A 7,980.0 0.0 0.0 7,980.0 View
Aug 28, 2026 — J D 129,780.0 0.0 0.0 908,459.0 View
Aug 27, 2026 Chief Technology Officer M D 10,000.0 2.8 28,000.0 580,000.0 View
Aug 27, 2026 Chief Technology Officer S D 10,000.0 100.0 1,000,000.0 1,000.0 View
Aug 27, 2026 Chief Technology Officer M A 10,000.0 2.8 28,000.0 11,000.0 View
Aug 27, 2026 SVP of Laboratory Operations S D 1,417.0 100.0 141,700.0 26,467.0 View
Aug 12, 2026 SVP of Laboratory Operations S D 1,417.0 92.86 131,582.62 27,884.0 View
Aug 12, 2026 Chief Technology Officer M D 10,000.0 2.8 28,000.0 590,000.0 View
Aug 12, 2026 Chief Technology Officer S D 10,000.0 92.86 928,600.0 1,000.0 View
Aug 12, 2026 Chief Technology Officer M A 10,000.0 2.8 28,000.0 11,000.0 View
Aug 07, 2026 Chairman and CEO M D 15,539.0 2.8 43,509.2 526,961.0 View
Aug 07, 2026 Chairman and CEO S D 15,539.0 150.0323 2,331,351.91 0.0 View
Aug 07, 2026 Chairman and CEO M A 15,539.0 2.8 43,509.2 15,539.0 View
Aug 05, 2026 Chairman and CEO M D 6,250.0 2.8 17,500.0 542,500.0 View
Aug 05, 2026 Chairman and CEO M D 6,250.0 2.8 17,500.0 548,750.0 View
Aug 05, 2026 Chairman and CEO M D 20,000.0 2.8 56,000.0 555,000.0 View
Aug 05, 2026 Chairman and CEO S D 6,250.0 137.37 858,562.5 162,500.0 View
Aug 05, 2026 Chairman and CEO S D 6,250.0 137.37 858,562.5 168,750.0 View
Aug 05, 2026 Chairman and CEO S D 82.0 139.2042 11,414.74 0.0 View
Aug 05, 2026 Chairman and CEO S D 760.0 138.0901 104,948.48 82.0 View
Aug 05, 2026 Chairman and CEO S D 3,125.0 137.2457 428,892.81 842.0 View
Aug 05, 2026 Chairman and CEO S D 1,983.0 136.424 270,528.79 3,967.0 View
Aug 05, 2026 Chairman and CEO S D 43.0 135.4088 5,822.58 5,950.0 View
Aug 05, 2026 Chairman and CEO S D 173.0 133.8076 23,148.71 5,993.0 View
Aug 05, 2026 Chairman and CEO S D 84.0 133.0096 11,172.81 6,166.0 View
Aug 05, 2026 Chairman and CEO S D 82.0 139.209 11,415.14 6,250.0 View
Aug 05, 2026 Chairman and CEO S D 762.0 138.0897 105,224.35 6,332.0 View
Aug 05, 2026 Chairman and CEO S D 3,124.0 137.2453 428,754.32 7,094.0 View
Aug 05, 2026 Chairman and CEO S D 1,981.0 136.4246 270,257.13 10,218.0 View
Aug 05, 2026 Chairman and CEO S D 44.0 135.4122 5,958.14 12,199.0 View
Aug 05, 2026 Chairman and CEO S D 173.0 133.8076 23,148.71 12,243.0 View
Aug 05, 2026 Chairman and CEO S D 84.0 133.0045 11,172.38 12,416.0 View
Aug 05, 2026 Chairman and CEO S D 267.0 139.2052 37,167.79 12,500.0 View
Aug 05, 2026 Chairman and CEO S D 2,431.0 138.0892 335,694.85 12,767.0 View
Aug 05, 2026 Chairman and CEO S D 9,989.0 137.2456 1,370,946.3 15,198.0 View
Aug 05, 2026 Chairman and CEO S D 6,354.0 136.4246 866,841.91 25,187.0 View
Aug 05, 2026 Chairman and CEO S D 135.0 135.4241 18,282.25 31,541.0 View
Aug 05, 2026 Chairman and CEO S D 555.0 133.8083 74,263.61 31,676.0 View
Aug 05, 2026 Chairman and CEO S D 269.0 133.0074 35,778.99 32,231.0 View
Aug 05, 2026 Chairman and CEO M A 6,250.0 2.8 17,500.0 32,500.0 View
Aug 05, 2026 Chairman and CEO M A 6,250.0 2.8 17,500.0 26,250.0 View
Aug 05, 2026 Chairman and CEO M A 20,000.0 2.8 56,000.0 20,000.0 View
Aug 04, 2026 Chief Product Officer S D 4,000.0 140.21 560,840.0 200,000.0 View
Jul 20, 2026 See Remarks S D 906.0 129.7787 117,579.5 6,900.0 View
Jul 20, 2026 See Remarks S D 5,601.0 128.9551 722,277.52 7,806.0 View
Jul 20, 2026 See Remarks S D 5,559.0 127.886 710,918.27 13,407.0 View
Jul 20, 2026 See Remarks S D 2,133.0 126.9821 270,852.82 18,966.0 View
Jul 15, 2026 Chief Technology Officer M D 10,000.0 2.8 28,000.0 600,000.0 View
Jul 15, 2026 Chief Technology Officer M D 10,000.0 2.8 28,000.0 610,000.0 View
Jul 15, 2026 Chief Technology Officer S D 1,028.0 126.8952 130,448.27 1,000.0 View
Jul 15, 2026 Chief Technology Officer S D 3,835.0 125.7588 482,285.0 2,028.0 View
Jul 15, 2026 Chief Technology Officer S D 1,725.0 124.6538 215,027.81 5,863.0 View
Jul 15, 2026 Chief Technology Officer S D 2,274.0 123.7088 281,313.81 7,588.0 View
Jul 15, 2026 Chief Technology Officer S D 1,138.0 122.8428 139,795.11 9,862.0 View
Jul 15, 2026 Chief Technology Officer S D 821.0 126.888 104,175.05 11,000.0 View
Jul 15, 2026 Chief Technology Officer S D 3,185.0 125.8458 400,818.87 11,821.0 View
Jul 15, 2026 Chief Technology Officer S D 2,415.0 124.8996 301,632.53 15,006.0 View
Jul 15, 2026 Chief Technology Officer S D 2,477.0 123.8435 306,760.35 17,421.0 View
Jul 15, 2026 Chief Technology Officer S D 1,102.0 122.9045 135,440.76 19,898.0 View
Jul 15, 2026 Chief Technology Officer M A 10,000.0 2.8 28,000.0 21,000.0 View
Jul 15, 2026 Chief Technology Officer M A 10,000.0 2.8 28,000.0 11,000.0 View
Jul 15, 2026 SVP of Laboratory Operations S D 1,417.0 125.46 177,776.82 29,301.0 View
Jul 15, 2026 SVP of Laboratory Operations S D 1,417.0 125.46 177,776.82 30,718.0 View
Jul 15, 2026 SVP of Laboratory Operations S D 1,417.0 125.46 177,776.82 32,135.0 View
Jul 13, 2026 Chairman and CEO M D 12,500.0 2.8 35,000.0 575,000.0 View
Jul 13, 2026 Chairman and CEO S D 352.0 128.2318 45,137.59 0.0 View
Jul 13, 2026 Chairman and CEO S D 2,657.0 127.4366 338,599.05 352.0 View
Jul 13, 2026 Chairman and CEO S D 2,002.0 126.4839 253,220.77 3,009.0 View
Jul 13, 2026 Chairman and CEO S D 7,489.0 125.4264 939,318.31 5,011.0 View
Jul 13, 2026 Chairman and CEO M A 12,500.0 2.8 35,000.0 12,500.0 View
Jul 13, 2026 Chief Product Officer M D 1,354.0 30.78 41,676.12 61,174.0 View
Jul 13, 2026 Chief Product Officer M D 1,355.0 30.78 41,706.9 62,528.0 View
Jul 13, 2026 Chief Product Officer M D 1,117.0 30.78 34,381.26 63,883.0 View
Jul 13, 2026 Chief Product Officer M D 174.0 8.65 1,505.1 35,826.0 View
Jul 13, 2026 Chief Product Officer S D 1,354.0 125.0 169,250.0 204,000.0 View
Jul 13, 2026 Chief Product Officer S D 1,355.0 125.0 169,375.0 205,354.0 View
Jul 13, 2026 Chief Product Officer S D 1,117.0 125.0 139,625.0 206,709.0 View
Jul 13, 2026 Chief Product Officer S D 174.0 125.0 21,750.0 207,826.0 View
Jul 13, 2026 Chief Product Officer S D 4,000.0 125.0 500,000.0 208,000.0 View
Jul 13, 2026 Chief Product Officer M A 1,354.0 30.78 41,676.12 212,000.0 View
Jul 13, 2026 Chief Product Officer M A 1,355.0 30.78 41,706.9 210,646.0 View
Jul 13, 2026 Chief Product Officer M A 1,117.0 30.78 34,381.26 209,291.0 View
Jul 13, 2026 Chief Product Officer M A 174.0 8.65 1,505.1 208,174.0 View
Jul 08, 2026 Chairman and CEO M D 6,250.0 2.8 17,500.0 587,500.0 View
Jul 08, 2026 Chairman and CEO M D 20,000.0 2.8 56,000.0 593,750.0 View
Jul 08, 2026 Chairman and CEO S D 50.0 124.74 6,237.0 175,000.0 View
Jul 08, 2026 Chairman and CEO S D 1,221.0 124.0448 151,458.7 175,050.0 View
Jul 08, 2026 Chairman and CEO S D 2,324.0 123.2472 286,426.49 176,271.0 View
Jul 08, 2026 Chairman and CEO S D 586.0 122.0845 71,541.52 178,595.0 View
Jul 08, 2026 Chairman and CEO S D 444.0 120.688 53,585.47 179,181.0 View
Jul 08, 2026 Chairman and CEO S D 591.0 119.6744 70,727.57 179,625.0 View
Jul 08, 2026 Chairman and CEO S D 1,034.0 118.8071 122,846.54 180,216.0 View
Jul 08, 2026 Chairman and CEO S D 50.0 124.74 6,237.0 181,250.0 View
Jul 08, 2026 Chairman and CEO S D 1,221.0 124.0448 151,458.7 181,300.0 View
Jul 08, 2026 Chairman and CEO S D 2,323.0 123.2473 286,303.48 182,521.0 View
Jul 08, 2026 Chairman and CEO S D 587.0 122.0839 71,663.25 184,844.0 View
Jul 08, 2026 Chairman and CEO S D 444.0 120.688 53,585.47 185,431.0 View
Jul 08, 2026 Chairman and CEO S D 591.0 119.6744 70,727.57 185,875.0 View
Jul 08, 2026 Chairman and CEO S D 1,034.0 118.8074 122,846.85 186,466.0 View
Jul 08, 2026 Chairman and CEO S D 194.0 124.6147 24,175.25 0.0 View
Jul 08, 2026 Chairman and CEO S D 1,642.0 123.8093 203,294.87 194.0 View
Jul 08, 2026 Chairman and CEO S D 1,945.0 123.0709 239,372.9 1,836.0 View
Jul 08, 2026 Chairman and CEO S D 349.0 121.8357 42,520.66 3,781.0 View
Jul 08, 2026 Chairman and CEO S D 570.0 120.6596 68,775.97 4,130.0 View
Jul 08, 2026 Chairman and CEO S D 1,138.0 119.3648 135,837.14 4,700.0 View
Jul 08, 2026 Chairman and CEO S D 412.0 118.487 48,816.64 5,838.0 View
Jul 08, 2026 Chairman and CEO S D 622.0 124.6144 77,510.16 6,250.0 View
Jul 08, 2026 Chairman and CEO S D 5,253.0 123.8094 650,370.78 6,872.0 View
Jul 08, 2026 Chairman and CEO S D 6,223.0 123.0714 765,873.32 12,125.0 View
Jul 08, 2026 Chairman and CEO S D 1,115.0 121.8364 135,847.59 18,348.0 View
Jul 08, 2026 Chairman and CEO S D 1,828.0 120.6601 220,566.66 19,463.0 View
Jul 08, 2026 Chairman and CEO S D 3,639.0 119.365 434,369.24 21,291.0 View
Jul 08, 2026 Chairman and CEO S D 1,320.0 118.4866 156,402.31 24,930.0 View
Jul 08, 2026 Chairman and CEO M A 6,250.0 2.8 17,500.0 26,250.0 View
Jul 08, 2026 Chairman and CEO M A 20,000.0 2.8 56,000.0 20,000.0 View
Jul 06, 2026 See Remarks S D 801.0 124.9137 100,055.87 21,099.0 View