$BOLD 4 SEC Filings

Filed On	Filing
26 Oct 2026	Form 4: Tang Kevin, 10% owner and 1 other Bought 5,800 shares ($13.9K) · Bought 6,234 shares ($14.8K) · Bought 9,606 shares ($22.9K)
20 Oct 2026	Form 4: Tang Kevin, 10% owner and 1 other Bought 118,185 shares ($277K) · Bought 31,069 shares ($72.5K) · Bought 220 shares ($521)
28 Aug 2026	Form 4: Tang Kevin, 10% owner and 1 other Sold 18,300 shares ($54.4K)
21 Jul 2026	Form 4: Tang Kevin, 10% owner and 1 other Bought 265 shares ($647) · Bought 1,623 shares ($3.96K) · Bought 2,975 shares ($7.26K)
16 Jul 2026	Form 4: Tang Kevin, 10% owner and 1 other Bought 43,878 shares ($107K) · Bought 1,600 shares ($3.9K) · Bought 18,491 shares ($45.1K)
13 Jul 2026	Form 4: Tang Kevin, 10% owner and 1 other Bought 7 shares ($17.4) · Bought 43,367 shares ($105K) · Bought 48,211 shares ($117K)
08 Jul 2026	Form 4: Tang Kevin, 10% owner and 1 other Bought 27,062 shares ($67.4K) · Bought 15,810 shares ($39.2K) · Bought 14,338 shares ($35.3K)
06 Jul 2026	Form 4: Crandell Keith, 10% owner and 4 others Received 16,000 shares by exercise or conversion ($16.5K) · Sold 16,000 shares ($39.8K)
06 Jul 2026	Form 4: Arch Venture Fund IX, L.p., 10% owner and 7 others Received 16,000 shares by exercise or conversion ($16.5K) · Sold 16,000 shares ($39.8K)
02 Jul 2026	Form 4: Tang Kevin, 10% owner and 1 other Bought 26,030 shares ($66.1K) · Bought 71,612 shares ($178K) · Bought 9,821 shares ($24.5K)
29 Jun 2026	Form 4: Tang Kevin, 10% owner and 1 other Bought 146,390 shares ($363K) · Bought 75,181 shares ($192K) · Bought 64,762 shares ($160K)
15 Jun 2026	Form 4: Whiting Nancy, Director Granted 32,000 Stock Option (right to buy)
15 Jun 2026	Form 4: Lim Jonathan E, Director Granted 48,000 Stock Option (right to buy)
15 Jun 2026	Form 4: Christensen James, Director Granted 32,000 Stock Option (right to buy)
15 Jun 2026	Form 4: Lew Jennifer, Director Granted 32,000 Stock Option (right to buy)
26 Jan 2026	Form 4: Oien Jessica, See Remarks Granted 220,000 Stock Option (right to buy)
26 Jan 2026	Form 4: Hassig Christian, Chief Scientific Officer Granted 230,000 Stock Option (right to buy)
26 Jan 2026	Form 4: Doebele Robert, Chief Medical Officer Granted 230,000 Stock Option (right to buy)
26 Jan 2026	Form 4: Hornby Zachary, Director Granted 600,000 Stock Option (right to buy)
26 Jan 2026	Form 4: Hinkle David A, See Remarks Granted 140,000 Stock Option (right to buy)

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