Insider Transactions


Atreca, Inc.

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Atreca, Inc.

$BCEL

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Trade Date Insider Title Buy or Sell Quantity Security Type Price Proceeds Transaction Conviction Position Quantity Position Value Positon Conviction SEC Link Nature of Ownership
2020-07-01Norman Michael GreenbergChief Scientific OfficerBuy10,272Class A Common Stock$4.56-$46,840.32  -10,272$46,840.32  -Form 4-
2020-07-01Norman Michael GreenbergChief Scientific OfficerSell7,346Class A Common Stock$21.69$159,334.74  -2,926$63,464.94  -Form 4-
2020-07-01Norman Michael GreenbergChief Scientific OfficerSell2,926Class A Common Stock$22.17$64,869.42  -0$0.00  -Form 4-
2020-04-01Norman Michael GreenbergChief Scientific OfficerBuy2,000Class A Common Stock$4.56-$9,120.00  0.90     [ High ]2,000$9,120.00  0.90     [Very Low]Form 4-
2020-04-01Norman Michael GreenbergChief Scientific OfficerSell2,000Class A Common Stock$15.21$30,420.00  0.90     [ High ]0$0.00  -Form 4-
2020-04-08Norman Michael GreenbergChief Scientific OfficerBuy8,000Class A Common Stock$4.56-$36,480.00  3.60     [ Very High ]8,000$36,480.00  3.60     [Low]Form 4-
2020-04-08Norman Michael GreenbergChief Scientific OfficerSell8,000Class A Common Stock$15.01$120,080.00  3.60     [ Very High ]0$0.00  -Form 4-
2020-04-14Norman Michael GreenbergChief Scientific OfficerBuy5,000Class A Common Stock$4.56-$22,800.00  2.25     [ High ]5,000$22,800.00  2.25     [Low]Form 4-
2020-04-14Norman Michael GreenbergChief Scientific OfficerSell5,000Class A Common Stock$18.00$90,000.00  2.25     [ High ]0$0.00  -Form 4-
2020-04-16Tito SerafiniChief Strategy OfficerSell6,281Class A Common Stock$15.75$98,925.75  2.83     [ Very High ]474,539$7,473,989.25  213.75   [Very High]Form 4By the Serafini/Postner Revocable Trust
2020-04-16Tito SerafiniChief Strategy OfficerSell2,919Class A Common Stock$17.01$49,652.19  1.31     [ High ]471,620$8,022,256.20  212.43   [Very High]Form 4By the Serafini/Postner Revocable Trust
2020-04-16Tito SerafiniChief Strategy OfficerSell800Class A Common Stock$17.74$14,192.00  0.36     [ Average ]470,820$8,352,346.80  212.07   [Very High]Form 4By the Serafini/Postner Revocable Trust
2020-04-16William Hewitt Robinson-Sell3,200Class A Common Stock$15.75$50,400.00  1.44     [ High ]441,348$6,951,231.00  198.80   [Very High]Form 4-
2020-04-16William Hewitt Robinson-Sell1,300Class A Common Stock$16.94$22,022.00  0.59     [ Average ]440,048$7,454,413.12  198.21   [Very High]Form 4-
2020-04-16William Hewitt Robinson-Sell500Class A Common Stock$17.72$8,860.00  0.23     [ Low ]439,548$7,788,790.56  197.99   [Very High]Form 4-
2020-05-01Norman Michael GreenbergChief Scientific OfficerBuy10,000Class A Common Stock$4.56-$45,600.00  4.50     [ Very High ]10,000$45,600.00  4.50     [Low]Form 4-
2020-05-01Norman Michael GreenbergChief Scientific OfficerSell10,000Class A Common Stock$15.03$150,300.00  4.50     [ Very High ]0$0.00  -Form 4-
2020-05-13William Hewitt Robinson-Sell4,800Class A Common Stock$16.80$80,640.00  2.16     [ High ]434,748$7,303,766.40  195.82   [Very High]Form 4-
2020-05-13William Hewitt Robinson-Sell200Class A Common Stock$17.32$3,464.00  0.09     [ Low ]434,548$7,526,371.36  195.73   [Very High]Form 4-
2020-05-15Tito SerafiniChief Strategy OfficerSell2,200Class A Common Stock$20.00$44,000.00  0.99     [ High ]458,620$9,172,400.00  206.58   [Very High]Form 4By the Serafini/Postner Revocable Trust
2020-05-18Tito SerafiniChief Strategy OfficerSell1,700Class A Common Stock$20.00$34,000.00  0.77     [ High ]456,920$9,138,400.00  205.81   [Very High]Form 4By the Serafini/Postner Revocable Trust
2020-05-15William Hewitt Robinson-Sell2,100Class A Common Stock$20.00$42,000.00  0.95     [ High ]432,448$8,648,960.00  194.79   [Very High]Form 4-
2020-05-18William Hewitt Robinson-Sell1,600Class A Common Stock$20.00$32,000.00  0.72     [ High ]430,848$8,616,960.00  194.07   [Very High]Form 4-
2020-05-26Tito SerafiniChief Strategy OfficerSell200Class A Common Stock$20.00$4,000.00  0.09     [ Low ]456,720$9,134,400.00  205.72   [Very High]Form 4By the Serafini/Postner Revocable Trust
2020-05-26William Hewitt Robinson-Sell387Class A Common Stock$20.00$7,740.00  0.17     [ Low ]430,461$8,609,220.00  193.89   [Very High]Form 4-
2020-05-07Norman Michael GreenbergChief Scientific OfficerBuy5,000Class A Common Stock$4.56-$22,800.00  2.25     [ High ]5,000$22,800.00  2.25     [Low]Form 4-
2020-05-07Norman Michael GreenbergChief Scientific OfficerSell5,000Class A Common Stock$18.00$90,000.00  2.25     [ High ]0$0.00  -Form 4-
2020-05-11Tito SerafiniChief Strategy OfficerSell3,712Class A Common Stock$17.64$65,479.68  1.67     [ High ]467,108$8,239,785.12  210.40   [Very High]Form 4By the Serafini/Postner Revocable Trust
2020-05-11Tito SerafiniChief Strategy OfficerSell6,288Class A Common Stock$18.22$114,567.36  2.83     [ Very High ]460,820$8,396,140.40  207.57   [Very High]Form 4By the Serafini/Postner Revocable Trust
2020-06-01Norman Michael GreenbergChief Scientific OfficerBuy15,000Class A Common Stock$4.56-$68,400.00  -15,000$68,400.00  -Form 4-
2020-06-01Norman Michael GreenbergChief Scientific OfficerSell15,000Class A Common Stock$18.38$275,700.00  -0$0.00  -Form 4-
2020-06-11Tito SerafiniChief Strategy OfficerSell8,586Class A Common Stock$16.35$140,381.10  -447,334$7,313,910.90  -Form 4By the Serafini/Postner Revocable Trust
2020-06-11Tito SerafiniChief Strategy OfficerSell1,414Class A Common Stock$17.17$24,278.38  -445,920$7,656,446.40  -Form 4By the Serafini/Postner Revocable Trust
2020-07-13Tito SerafiniChief Strategy OfficerSell2,871Class A Common Stock$19.41$55,726.11  1.29     [ High ]437,349$8,488,944.09  197.00   [Very High]Form 4By the Serafini/Postner Revocable Trust
2020-07-13Tito SerafiniChief Strategy OfficerSell7,129Class A Common Stock$20.52$146,287.08  3.21     [ Very High ]430,220$8,828,114.40  193.78   [Very High]Form 4By the Serafini/Postner Revocable Trust
2020-07-13William Hewitt Robinson-Sell1,406Class A Common Stock$19.43$27,318.58  0.63     [ Average ]412,542$8,015,691.06  185.82   [Very High]Form 4-
2020-07-13William Hewitt Robinson-Sell3,594Class A Common Stock$20.54$73,820.76  1.62     [ High ]408,948$8,399,791.92  184.20   [Very High]Form 4-
2020-06-15William Hewitt Robinson-Sell1,005Class A Common Stock$17.48$17,567.40  -428,856$7,496,402.88  -Form 4-
2020-06-15William Hewitt Robinson-Sell1,801Class A Common Stock$18.43$33,192.43  -427,055$7,870,623.65  -Form 4-
2020-06-15William Hewitt Robinson-Sell2,194Class A Common Stock$19.13$41,971.22  -424,861$8,127,590.93  -Form 4-
2020-06-19Tito SerafiniChief Strategy OfficerSell4,604Class A Common Stock$20.03$92,218.12  -441,316$8,839,559.48  -Form 4By the Serafini/Postner Revocable Trust
2020-06-22Tito SerafiniChief Strategy OfficerSell496Class A Common Stock$20.05$9,944.80  -440,820$8,838,441.00  -Form 4By the Serafini/Postner Revocable Trust
2020-06-19William Hewitt Robinson-Sell10,245Class A Common Stock$20.03$205,207.35  -414,616$8,304,758.48  -Form 4-
2020-06-22William Hewitt Robinson-Sell68Class A Common Stock$20.05$1,363.40  -414,548$8,311,687.40  -Form 4-
2020-08-14Tito SerafiniChief Strategy OfficerSell10,000Class A Common Stock$15.00$150,000.00  3.41     [ Very High ]420,220$6,303,300.00  143.35   [Very High]Form 4By the Serafini/Postner Revocable Trust
2020-08-14William Hewitt Robinson-Sell5,000Class A Common Stock$15.00$75,000.00  1.71     [ High ]403,948$6,059,220.00  137.80   [Very High]Form 4-
2020-09-18Tito SerafiniChief Strategy OfficerSell8,782Class A Common Stock$15.11$132,696.02  3.00     [ Very High ]411,438$6,216,828.18  140.36   [Very High]Form 4By the Serafini/Postner Revocable Trust
2020-09-18William Hewitt Robinson-Sell5,000Class A Common Stock$15.04$75,200.00  1.71     [ High ]398,948$6,000,177.92  136.09   [Very High]Form 4-
2020-10-06Tito SerafiniChief Strategy OfficerSell1,218Class A Common Stock$15.05$18,330.90  0.42     [ Average ]410,220$6,173,811.00  139.94   [Very High]Form 4By the Serafini/Postner Revocable Trust
2020-10-12Tito SerafiniChief Strategy OfficerSell10,000Class A Common Stock$15.00$150,000.00  3.41     [ Very High ]400,220$6,003,300.00  136.53   [Very High]Form 4By the Serafini/Postner Revocable Trust
2020-10-13William Hewitt Robinson-Sell5,000Class A Common Stock$15.71$78,550.00  1.71     [ High ]393,948$6,188,923.08  134.39   [Very High]Form 4-
2020-10-19Norman Michael GreenbergChief Scientific OfficerBuy500Class A Common Stock$4.56-$2,280.00  0.17     [ Low ]500$2,280.00  0.17     [Very Low]Form 4-
2020-10-19Norman Michael GreenbergChief Scientific OfficerSell500Class A Common Stock$15.12$7,560.00  0.17     [ Low ]0$0.00  -Form 4-
2020-11-10Norman Michael GreenbergChief Scientific OfficerBuy4,500Class A Common Stock$4.56-$20,520.00  1.54     [ High ]4,500$20,520.00  1.54     [Low]Form 4-
2020-11-10Norman Michael GreenbergChief Scientific OfficerSell4,500Class A Common Stock$15.10$67,950.00  1.54     [ High ]0$0.00  -Form 4-
2020-11-11Tito SerafiniChief Strategy OfficerSell1,153Class A Common Stock$15.10$17,410.30  0.39     [ Average ]399,067$6,025,911.70  136.14   [Very High]Form 4By the Serafini/Postner Revocable Trust
2020-11-12Tito SerafiniChief Strategy OfficerSell3,655Class A Common Stock$0.00$0.00  -0$0.00  -Form 4-
2020-11-12Tito SerafiniChief Strategy OfficerBuy3,655Class A Common Stock$0.00$0.00  -3,655$0.00  1.25     [Very Low]Form 4By the Serafini/Postner Revocable Trust
2020-11-16Tito SerafiniChief Strategy OfficerSell8,847Class A Common Stock$15.12$133,766.64  2.95     [ Very High ]393,875$5,955,390.00  131.33   [Very High]Form 4By the Serafini/Postner Revocable Trust
2020-11-16William Hewitt Robinson-Sell5,000Class A Common Stock$15.00$75,000.00  1.67     [ High ]388,948$5,834,220.00  129.69   [Very High]Form 4-
2020-11-17Norman Michael GreenbergChief Scientific OfficerBuy1,825Class A Common Stock$4.56-$8,322.00  0.61     [ Average ]1,825$8,322.00  0.61     [Very Low]Form 4-
2020-11-17Norman Michael GreenbergChief Scientific OfficerSell1,825Class A Common Stock$15.04$27,448.00  0.61     [ Average ]0$0.00  -Form 4-
2020-11-27Norman Michael GreenbergChief Scientific OfficerBuy3,175Class A Common Stock$4.56-$14,478.00  1.06     [ High ]3,175$14,478.00  1.06     [Very Low]Form 4-
2020-11-27Norman Michael GreenbergChief Scientific OfficerSell3,175Class A Common Stock$15.34$48,704.50  1.06     [ High ]0$0.00  -Form 4-
2020-12-11Tito SerafiniChief Strategy OfficerSell10,000Class A Common Stock$15.87$158,700.00  3.33     [ Very High ]383,875$6,092,096.25  128.00   [Very High]Form 4By the Serafini/Postner Revocable Trust
2020-12-17Norman Michael GreenbergChief Scientific OfficerBuy5,000Class A Common Stock$4.56-$22,800.00  1.67     [ High ]5,000$22,800.00  1.67     [Low]Form 4-
2020-12-17Norman Michael GreenbergChief Scientific OfficerSell5,000Class A Common Stock$16.61$83,050.00  1.67     [ High ]0$0.00  -Form 4-
2021-01-11Tito SerafiniChief Strategy OfficerSell10,000Class A Common Stock$15.02$150,200.00  3.33     [ Very High ]373,875$5,615,602.50  124.66   [Very High]Form 4By the Serafini/Postner Revocable Trust
2021-01-13William Hewitt Robinson-Sell2,741Class A Common Stock$15.05$41,252.05  0.91     [ High ]381,207$5,737,165.35  127.11   [Very High]Form 4-
2021-01-14William Hewitt Robinson-Sell2,259Class A Common Stock$15.06$34,020.54  0.75     [ Average ]378,948$5,706,956.88  126.35   [Very High]Form 4-
2021-01-19Norman Michael GreenbergChief Scientific OfficerBuy5,000Class A Common Stock$5.16-$25,800.00  1.67     [ High ]5,000$25,800.00  1.67     [Low]Form 4-
2021-01-19Norman Michael GreenbergChief Scientific OfficerSell5,000Class A Common Stock$15.21$76,050.00  1.67     [ High ]0$0.00  -Form 4-