BOLD Insider Activity

View recent SEC Form 4 insider transactions for BOLD, including purchases, sales, option exercises, and other insider filings.

DateInsiderTypeQuantityPriceTotal ValueShares Owned
Oct 27, 2026TANG KEVINPurchase10,707$2.40$25,696.803,022,456
Oct 26, 2026TANG KEVINPurchase9,606$2.38$22,862.283,011,749
Oct 23, 2026TANG KEVINPurchase6,234$2.38$14,836.923,002,143
Oct 22, 2026TANG KEVINPurchase5,800$2.40$13,920.002,995,909
Oct 20, 2026TANG KEVINPurchase220$2.37$521.402,990,109
Oct 19, 2026TANG KEVINPurchase12,790$2.34$29,928.602,971,610
Oct 19, 2026TANG KEVINPurchase18,279$2.33$42,590.072,989,889
Oct 16, 2026TANG KEVINPurchase118,185$2.34$276,552.902,958,820
Aug 26, 2026TANG KEVINSale18,300$2.97$54,351.002,840,635
Jul 21, 2026TANG KEVINPurchase2,975$2.44$7,259.002,858,935
Jul 20, 2026TANG KEVINPurchase1,623$2.44$3,960.122,855,960
Jul 17, 2026TANG KEVINPurchase265$2.44$646.602,854,337
Jul 16, 2026TANG KEVINPurchase18,491$2.44$45,118.042,854,072
Jul 15, 2026TANG KEVINPurchase1,600$2.44$3,904.002,835,581
Jul 14, 2026TANG KEVINPurchase43,878$2.43$106,623.542,833,981
Jul 13, 2026TANG KEVINPurchase48,211$2.42$116,670.622,790,103
Jul 10, 2026TANG KEVINPurchase43,367$2.43$105,381.812,741,892
Jul 09, 2026TANG KEVINPurchase7$2.48$17.362,698,525
Jul 08, 2026TANG KEVINPurchase14,338$2.46$35,271.482,698,518
Jul 07, 2026TANG KEVINPurchase15,810$2.48$39,208.802,684,180
Jul 06, 2026TANG KEVINPurchase27,062$2.49$67,384.382,668,370
Jul 02, 2026TANG KEVINPurchase9,821$2.49$24,454.292,641,308
Jul 01, 2026ARCH Venture Fund IX, L.P.Exercise16,000$1.03$16,480.0016,000
Jul 01, 2026CRANDELL KEITHExercise16,000$1.03$16,480.0016,000
Jul 01, 2026TANG KEVINPurchase71,612$2.49$178,313.882,631,487
Jun 30, 2026TANG KEVINPurchase25,930$2.54$65,862.202,559,775
Jun 30, 2026TANG KEVINPurchase100$2.50$250.002,559,875
Jun 29, 2026TANG KEVINPurchase63,985$2.47$158,042.952,533,068
Jun 29, 2026TANG KEVINPurchase777$2.48$1,926.962,533,845
Jun 26, 2026TANG KEVINPurchase75,047$2.55$191,369.852,468,949
Showing 30 of 33

Related BOLD pages