$XLO 4 SEC Filings

Filed On	Filing
02 Oct 2026	Form 4: Houvras Yariv, CHIEF MEDICAL OFFICER Granted 105,000 Stock Option (right to buy)
12 Jun 2026	Form 4: Shannon James Samuel, Director Granted 5,000 Stock Option (right to buy)
12 Jun 2026	Form 4: Bello Akintunde Olatokumbo, Director Granted 5,000 Stock Option (right to buy)
12 Jun 2026	Form 4: Curran Daniel J., Director Granted 5,000 Stock Option (right to buy)
12 Jun 2026	Form 4: Xu Yuan, Director Granted 5,000 Stock Option (right to buy)
12 Jun 2026	Form 4: Ross Robert W., Director Granted 5,000 Stock Option (right to buy)
12 Jun 2026	Form 4: Bonstein Sara, Director Granted 5,000 Stock Option (right to buy)
12 Jun 2026	Form 4: Brennan Aoife, Director Granted 5,000 Stock Option (right to buy)
16 Apr 2026	Form 4: Blanchard Cheryl R, Director Granted 10,000 Stock Option (right to buy)
30 Mar 2026	Form 4: Shannon James Samuel, Director Bought 5,000 shares ($44K)
17 Feb 2026	Form 4: Gilead SCIENCES, Inc., 10% owner Acquired 3,739,000 Prefunded Warrants (right to buy) (Open Market Purchase) ($2M)
05 Jan 2026	Form 4: Luptakova Katarina, CHIEF MEDICAL OFFICER Granted 451,885 Stock Option (right to buy) · Received 16,625 shares by exercise or conversion
05 Jan 2026	Form 4: Brennan Kevin M., SVP, FINANCE AND ACCOUNTING Granted 95,221 Stock Option (right to buy) · Received 5,000 shares by exercise or conversion · Sold 1,826 shares ($1.17K)
05 Jan 2026	Form 4: Frankenfield Christopher James, Chief Financial Officer Granted 668,789 Stock Option (right to buy) · Received 19,375 shares by exercise or conversion · Sold 7,030 shares ($4.52K)
05 Jan 2026	Form 4: Russo Rene, Director Granted 1,500,258 Stock Option (right to buy) · Received 44,250 shares by exercise or conversion
01 Dec 2025	Form 4: Gilead SCIENCES, Inc., 10% owner Acquired 13,335,000 Prefunded Warrants (right to buy) (In/At-money Exercise) ($10M) · Exercised 13,335,000 Series B Warrants (right to buy)
25 Nov 2025	Form 4: Brennan Kevin M., SVP, FINANCE AND ACCOUNTING Granted 231,700 Stock Option (right to buy) · Disposed of 100,000 Stock Option (right to buy) (Disposition to Issuer)
25 Nov 2025	Form 4: Luptakova Katarina, CHIEF MEDICAL OFFICER Granted 850,210 Stock Option (right to buy) · Disposed of 225,210 Stock Option (right to buy) (Disposition to Issuer)
25 Nov 2025	Form 4: Frankenfield Christopher James, Chief Financial Officer Granted 1,618,082 Stock Option (right to buy) · Disposed of 848,172 Stock Option (right to buy) (Disposition to Issuer) · Disposed of 155,090 Stock Option (right to buy) (Grant/Award Acquisition)
25 Nov 2025	Form 4: Russo Rene, Director Granted 4,273,212 Stock Option (right to buy) · Disposed of 2,198,212 Stock Option (right to buy) (Disposition to Issuer)

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