Katarina Luptakova
CIK 1991149 · View on SEC EDGAR ↗
Insider
First SEC filing: Sept. 7, 2023 · Latest: Sept. 7, 2023
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 20 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Jan. 1, 2026 | XLO | M | 16,625 | — | — | 33,250 Direct | -33.33% | Disposed | (price as of 2026-08-21) |
| Jan. 1, 2026 | XLO | M | 16,625 | — | — | 33,250 Direct | +100.00% | Acquired | (price as of 2026-08-21) |
| Dec. 31, 2025 | XLO | A | 451,885 | — | — | 451,885 Direct | — | Acquired | (price as of 2026-08-21) |
| Nov. 21, 2025 | XLO | A | 106,000 | — | — | 106,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Nov. 21, 2025 | XLO | D | 106,000 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| Nov. 21, 2025 | XLO | A | 25,000 | — | — | 25,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Nov. 21, 2025 | XLO | D | 25,000 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| Nov. 21, 2025 | XLO | A | 35,000 | — | — | 35,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Nov. 21, 2025 | XLO | D | 35,000 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| Nov. 21, 2025 | XLO | A | 15,000 | — | — | 15,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Nov. 21, 2025 | XLO | D | 15,000 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| Nov. 21, 2025 | XLO | A | 44,210 | — | — | 44,210 Direct | — | Acquired | (price as of 2026-08-21) |
| Nov. 21, 2025 | XLO | D | 44,210 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| Nov. 21, 2025 | XLO | A | 625,000 | — | — | 625,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 1, 2025 | XLO | M | 16,625 | — | — | 16,625 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 1, 2025 | XLO | M | 16,625 | — | — | 49,875 Direct | -25.00% | Disposed | (price as of 2026-08-21) |
| Jan. 1, 2025 | XLO | A | 200,000 | — | — | 200,000 Direct | — | Acquired | (price as of 2026-08-21) |
| May 1, 2024 | XLO | A | 59,333 | — | — | 59,333 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 1, 2024 | XLO | A | 66,500 | — | — | 66,500 Direct | — | Acquired | (price as of 2026-08-21) |
| Sept. 5, 2023 | XLO | A | 106,000 | — | — | 106,000 Direct | — | Acquired | (price as of 2026-08-21) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Jan. 1, 2026 | XLO | Restricted Stock Units | Common Stock (16,625) | — | — | 16,625 | Disposed |
| Dec. 31, 2025 | XLO | Stock Option (right to buy) | Common Stock (451,885) | $0.84 | Oct. 7, 2035 | 451,885 | Acquired |
| Nov. 21, 2025 | XLO | Stock Option (right to buy) | Common Stock (106,000) | $1.50 | Sept. 4, 2033 | 106,000 | Acquired |
| Nov. 21, 2025 | XLO | Stock Option (right to buy) | Common Stock (106,000) | $2.79 | Sept. 4, 2033 | 106,000 | Disposed |
| Nov. 21, 2025 | XLO | Stock Option (right to buy) | Common Stock (25,000) | $1.50 | Aug. 15, 2033 | 25,000 | Acquired |
| Nov. 21, 2025 | XLO | Stock Option (right to buy) | Common Stock (25,000) | $2.78 | Aug. 15, 2033 | 25,000 | Disposed |
| Nov. 21, 2025 | XLO | Stock Option (right to buy) | Common Stock (35,000) | $1.50 | Dec. 31, 2032 | 35,000 | Acquired |
| Nov. 21, 2025 | XLO | Stock Option (right to buy) | Common Stock (35,000) | $2.69 | Dec. 31, 2032 | 35,000 | Disposed |
| Nov. 21, 2025 | XLO | Stock Option (right to buy) | Common Stock (15,000) | $1.50 | Oct. 31, 2032 | 15,000 | Acquired |
| Nov. 21, 2025 | XLO | Stock Option (right to buy) | Common Stock (15,000) | $2.37 | Oct. 31, 2032 | 15,000 | Disposed |
| Nov. 21, 2025 | XLO | Stock Option (right to buy) | Common Stock (44,210) | $1.50 | Dec. 6, 2031 | 44,210 | Acquired |
| Nov. 21, 2025 | XLO | Stock Option (right to buy) | Common Stock (44,210) | $9.69 | Dec. 6, 2031 | 44,210 | Disposed |
| Nov. 21, 2025 | XLO | Stock Option (right to buy) | Common Stock (625,000) | $0.84 | Oct. 7, 2035 | 625,000 | Acquired |
| Jan. 1, 2025 | XLO | Restricted Stock Units | Common Stock (16,625) | — | — | 16,625 | Disposed |
| Jan. 1, 2025 | XLO | Stock Option (right to buy) | Common Stock (200,000) | $0.96 | Dec. 31, 2035 | 200,000 | Acquired |
| May 1, 2024 | XLO | Stock Option (right to buy) | Common Stock (59,333) | $1.08 | April 30, 2034 | 59,333 | Acquired |
| Jan. 1, 2024 | XLO | Restricted Stock Units | Common Stock (66,500) | — | — | 66,500 | Acquired |
| Sept. 5, 2023 | XLO | Stock Option (Right to Buy) | Common Stock (106,000) | $2.79 | Sept. 4, 2033 | 106,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Sept. 7, 2023 | XLO | Stock Option (right to buy)→ Common Stock (44,210) | 44,210 | Direct |
| Sept. 7, 2023 | XLO | Stock Option (right to buy)→ Common Stock (15,000) | 15,000 | Direct |
| Sept. 7, 2023 | XLO | Stock Option (right to buy)→ Common Stock (35,000) | 35,000 | Direct |
| Sept. 7, 2023 | XLO | Stock Option (right to buy)→ Common Stock (25,000) | 25,000 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $481,300 | — | — | — | $196,370 | — | $14,000 | $2,197,248 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.