Alexandra Balcom
Insider
First SEC filing: June 23, 2025 · Latest: June 3, 2026
Insider at
Insider transactions
0 buys (P)
44 sells (S)
Net: $-14,547,539
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 15, 2026 | NUVL | D | 17,500 | · | · | 0 Direct | -100.00% | Disposed | |
| July 15, 2026 | NUVL | D | 37,500 | · | · | 0 Direct | -100.00% | Disposed | |
| July 15, 2026 | NUVL | D | 33,646 | · | · | 0 Direct | -100.00% | Disposed | |
| July 15, 2026 | NUVL | D | 84,200 | · | · | 0 Direct | -100.00% | Disposed | |
| July 15, 2026 | NUVL | D | 22,933 | · | · | 0 Direct | -100.00% | Disposed | |
| July 15, 2026 | NUVL | D | 8,016 | · | · | 0 Direct | -100.00% | Disposed | |
| July 15, 2026 | NUVL | D | 131,637 | · | · | 0 Direct | -100.00% | Disposed | |
| July 15, 2026 | NUVL | D | 14,350 | · | · | 0 Direct | -100.00% | Disposed | |
| July 15, 2026 | NUVL | A | 14,350 | · | · | 14,350 Direct | · | Acquired | |
| July 15, 2026 | NUVL | D | 41,100 | · | · | 0 Direct | -100.00% | Disposed | |
| July 15, 2026 | NUVL | U | 44,433 | $124.00 | $5,509,692 | 0 Direct | -100.00% | Disposed | |
| July 1, 2026 | NUVL | M 10b5-1 | 6,046 | · | · | 22,933 Direct | -20.86% | Disposed | |
| July 1, 2026 | NUVL | M 10b5-1 | 5,384 | · | · | 8,016 Direct | -40.18% | Disposed | |
| July 1, 2026 | NUVL | S 10b5-1 | 11,430 | $123.58 | $1,412,519 | 85,533 Direct | -11.79% | Disposed | |
| July 1, 2026 | NUVL | M 10b5-1 | 6,046 | $18.93 | $114,451 | 96,963 Direct | +6.65% | Acquired | |
| July 1, 2026 | NUVL | M 10b5-1 | 5,384 | $6.89 | $37,096 | 90,917 Direct | +6.29% | Acquired | |
| June 2, 2026 | CBIO | A | 11,050 | · | · | 11,050 Direct | · | Acquired | (price as of 2026-10-02) |
| June 1, 2026 | NUVL | M 10b5-1 | 11,430 | $6.89 | $78,753 | 96,963 Direct | +13.36% | Acquired | |
| June 1, 2026 | NUVL | S 10b5-1 | 960 | $94.87 | $91,075 | 96,003 Direct | -0.99% | Disposed | |
| June 1, 2026 | NUVL | S 10b5-1 | 2,170 | $95.99 | $208,298 | 93,833 Direct | -2.26% | Disposed | |
| June 1, 2026 | NUVL | S 10b5-1 | 900 | $97.68 | $87,912 | 92,933 Direct | -0.96% | Disposed | |
| June 1, 2026 | NUVL | S 10b5-1 | 1,200 | $98.57 | $118,284 | 91,733 Direct | -1.29% | Disposed | |
| June 1, 2026 | NUVL | S 10b5-1 | 3,133 | $99.86 | $312,861 | 88,600 Direct | -3.42% | Disposed | |
| June 1, 2026 | NUVL | S 10b5-1 | 2,588 | $100.65 | $260,482 | 86,012 Direct | -2.92% | Disposed | |
| June 1, 2026 | NUVL | S 10b5-1 | 279 | $101.79 | $28,399 | 85,733 Direct | -0.32% | Disposed | |
| June 1, 2026 | NUVL | S 10b5-1 | 200 | $103.84 | $20,768 | 85,533 Direct | -0.23% | Disposed | |
| June 1, 2026 | NUVL | M 10b5-1 | 11,430 | · | · | 13,400 Direct | -46.03% | Disposed | |
| May 1, 2026 | NUVL | M 10b5-1 | 7,159 | $1.08 | $7,732 | 92,692 Direct | +8.37% | Acquired | |
| May 1, 2026 | NUVL | M 10b5-1 | 4,271 | $6.89 | $29,427 | 96,963 Direct | +4.61% | Acquired | |
| May 1, 2026 | NUVL | S 10b5-1 | 3,872 | $98.42 | $381,082 | 93,091 Direct | -3.99% | Disposed | |
| May 1, 2026 | NUVL | S 10b5-1 | 7,434 | $99.29 | $738,122 | 85,657 Direct | -7.99% | Disposed | |
| May 1, 2026 | NUVL | S 10b5-1 | 124 | $99.97 | $12,396 | 85,533 Direct | -0.14% | Disposed | |
| May 1, 2026 | NUVL | M 10b5-1 | 7,159 | · | · | 131,637 Direct | -5.16% | Disposed | |
| May 1, 2026 | NUVL | M 10b5-1 | 4,271 | · | · | 24,830 Direct | -14.68% | Disposed | |
| April 1, 2026 | NUVL | M 10b5-1 | 11,430 | $1.08 | $12,344 | 96,963 Direct | +13.36% | Acquired | |
| April 1, 2026 | NUVL | S 10b5-1 | 3,544 | $104.39 | $369,958 | 93,419 Direct | -3.66% | Disposed | |
| April 1, 2026 | NUVL | S 10b5-1 | 5,417 | $105.30 | $570,410 | 88,002 Direct | -5.80% | Disposed | |
| April 1, 2026 | NUVL | S 10b5-1 | 2,469 | $106.18 | $262,158 | 85,533 Direct | -2.81% | Disposed | |
| April 1, 2026 | NUVL | M 10b5-1 | 11,430 | · | · | 138,796 Direct | -7.61% | Disposed | |
| March 25, 2026 | NUVL | S 10b5-1 | 13,700 | $100.16 | $1,372,192 | 85,533 Direct | -13.81% | Disposed | |
| March 24, 2026 | NUVL | M 10b5-1 | 11,430 | $1.08 | $12,344 | 110,663 Direct | +11.52% | Acquired | |
| March 24, 2026 | NUVL | S 10b5-1 | 2,599 | $95.03 | $246,983 | 108,064 Direct | -2.35% | Disposed | |
| March 24, 2026 | NUVL | S 10b5-1 | 7,671 | $95.88 | $735,495 | 100,393 Direct | -7.10% | Disposed | |
| March 24, 2026 | NUVL | S 10b5-1 | 1,160 | $96.50 | $111,940 | 99,233 Direct | -1.16% | Disposed | |
| March 24, 2026 | NUVL | M 10b5-1 | 11,430 | · | · | 150,226 Direct | -7.07% | Disposed | |
| Jan. 7, 2026 | NUVL | A | 17,500 | · | · | 17,500 Direct | · | Acquired | |
| Jan. 7, 2026 | NUVL | A | 17,500 | · | · | 99,233 Direct | +21.41% | Acquired | |
| Jan. 6, 2026 | NUVL | S 10b5-1 | 225 | $98.40 | $22,140 | 81,733 Direct | -0.27% | Disposed | |
| Jan. 6, 2026 | NUVL | S 10b5-1 | 1,635 | $97.33 | $159,135 | 81,958 Direct | -1.96% | Disposed | |
| Jan. 6, 2026 | NUVL | S 10b5-1 | 1,321 | $96.75 | $127,807 | 83,593 Direct | -1.56% | Disposed | |
| Jan. 5, 2026 | NUVL | S 10b5-1 | 317 | $98.52 | $31,231 | 84,914 Direct | -0.37% | Disposed | |
| Jan. 5, 2026 | NUVL | S 10b5-1 | 1,929 | $97.96 | $188,965 | 85,231 Direct | -2.21% | Disposed | |
| Jan. 5, 2026 | NUVL | S 10b5-1 | 1,119 | $96.85 | $108,375 | 87,160 Direct | -1.27% | Disposed | |
| Jan. 5, 2026 | NUVL | S 10b5-1 | 871 | $96.06 | $83,668 | 88,279 Direct | -0.98% | Disposed | |
| Dec. 22, 2025 | NUVL | M | 34,500 | · | · | 161,656 Direct | -17.59% | Disposed | |
| Dec. 22, 2025 | NUVL | M | 34,500 | $1.08 | $37,260 | 89,150 Direct | +63.13% | Acquired | |
| Dec. 8, 2025 | NUVL | S 10b5-1 | 100 | $111.32 | $11,132 | 54,650 Direct | -0.18% | Disposed | |
| Dec. 8, 2025 | NUVL | S 10b5-1 | 6,984 | $110.31 | $770,405 | 54,750 Direct | -11.31% | Disposed | |
| Nov. 18, 2025 | NUVL | M 10b5-1 | 729 | · | · | 33,646 Direct | -2.12% | Disposed | |
| Nov. 18, 2025 | NUVL | S 10b5-1 | 509 | $104.54 | $53,211 | 61,734 Direct | -0.82% | Disposed | |
| Nov. 18, 2025 | NUVL | S 10b5-1 | 220 | $103.61 | $22,794 | 62,243 Direct | -0.35% | Disposed | |
| Nov. 18, 2025 | NUVL | M 10b5-1 | 729 | $72.35 | $52,743 | 62,463 Direct | +1.18% | Acquired | |
| Nov. 17, 2025 | NUVL | M 10b5-1 | 13,125 | · | · | 34,375 Direct | -27.63% | Disposed | |
| Nov. 17, 2025 | NUVL | M 10b5-1 | 6,875 | · | · | 29,101 Direct | -19.11% | Disposed | |
| Nov. 17, 2025 | NUVL | S 10b5-1 | 380 | $103.68 | $39,398 | 61,734 Direct | -0.61% | Disposed | |
| Nov. 17, 2025 | NUVL | S 10b5-1 | 5,055 | $103.27 | $522,030 | 62,114 Direct | -7.53% | Disposed | |
| Nov. 17, 2025 | NUVL | S 10b5-1 | 3,194 | $102.13 | $326,203 | 67,169 Direct | -4.54% | Disposed | |
| Nov. 17, 2025 | NUVL | S 10b5-1 | 4,496 | $100.58 | $452,208 | 70,363 Direct | -6.01% | Disposed | |
| Nov. 17, 2025 | NUVL | S 10b5-1 | 3,266 | $95.12 | $310,662 | 74,859 Direct | -4.18% | Disposed | |
| Nov. 17, 2025 | NUVL | S 10b5-1 | 3,609 | $93.80 | $338,524 | 78,125 Direct | -4.42% | Disposed | |
| Nov. 17, 2025 | NUVL | M 10b5-1 | 13,125 | $72.35 | $949,594 | 81,734 Direct | +19.13% | Acquired | |
| Nov. 17, 2025 | NUVL | M 10b5-1 | 6,875 | $6.89 | $47,369 | 68,609 Direct | +11.14% | Acquired | |
| Oct. 15, 2025 | NUVL | M 10b5-1 | 1,683 | · | · | 28,979 Direct | -5.49% | Disposed | |
| Oct. 15, 2025 | NUVL | S 10b5-1 | 1,683 | $85.57 | $144,014 | 61,734 Direct | -2.65% | Disposed | |
| Oct. 15, 2025 | NUVL | M 10b5-1 | 1,683 | $18.93 | $31,859 | 63,417 Direct | +2.73% | Acquired | |
| Oct. 14, 2025 | NUVL | M 10b5-1 | 20,000 | · | · | 30,662 Direct | -39.48% | Disposed | |
| Oct. 14, 2025 | NUVL | S 10b5-1 | 200 | $88.90 | $17,780 | 61,734 Direct | -0.32% | Disposed | |
| Oct. 14, 2025 | NUVL | S 10b5-1 | 1,700 | $87.67 | $149,039 | 61,934 Direct | -2.67% | Disposed | |
| Oct. 14, 2025 | NUVL | S 10b5-1 | 5,820 | $86.63 | $504,187 | 63,634 Direct | -8.38% | Disposed | |
| Oct. 14, 2025 | NUVL | S 10b5-1 | 12,280 | $85.75 | $1,053,010 | 69,454 Direct | -15.02% | Disposed | |
| Oct. 14, 2025 | NUVL | M 10b5-1 | 20,000 | $18.93 | $378,600 | 81,734 Direct | +32.40% | Acquired | |
| Oct. 13, 2025 | NUVL | M 10b5-1 | 13,125 | · | · | 50,662 Direct | -20.58% | Disposed | |
| Oct. 13, 2025 | NUVL | M 10b5-1 | 6,875 | · | · | 35,976 Direct | -16.04% | Disposed | |
| Oct. 13, 2025 | NUVL | S 10b5-1 | 1,596 | $89.22 | $142,395 | 61,734 Direct | -2.52% | Disposed | |
| Oct. 13, 2025 | NUVL | S 10b5-1 | 12,266 | $88.73 | $1,088,362 | 63,330 Direct | -16.23% | Disposed | |
| Oct. 13, 2025 | NUVL | S 10b5-1 | 6,138 | $87.90 | $539,530 | 75,596 Direct | -7.51% | Disposed | |
| Oct. 13, 2025 | NUVL | M 10b5-1 | 13,125 | $18.93 | $248,456 | 81,734 Direct | +19.13% | Acquired | |
| Oct. 13, 2025 | NUVL | M 10b5-1 | 6,875 | $6.89 | $47,369 | 68,609 Direct | +11.14% | Acquired | |
| Oct. 1, 2025 | NUVL | M 10b5-1 | 3,213 | · | · | 63,787 Direct | -4.80% | Disposed | |
| Oct. 1, 2025 | NUVL | M 10b5-1 | 16,787 | · | · | 42,851 Direct | -28.15% | Disposed | |
| Oct. 1, 2025 | NUVL | S 10b5-1 | 970 | $86.37 | $83,779 | 61,734 Direct | -1.55% | Disposed | |
| Oct. 1, 2025 | NUVL | S 10b5-1 | 19,030 | $85.43 | $1,625,733 | 62,704 Direct | -23.28% | Disposed | |
| Oct. 1, 2025 | NUVL | M 10b5-1 | 3,213 | $18.93 | $60,822 | 81,734 Direct | +4.09% | Acquired | |
| Oct. 1, 2025 | NUVL | M 10b5-1 | 16,787 | $6.89 | $115,662 | 78,521 Direct | +27.19% | Acquired | |
| Sept. 30, 2025 | NUVL | M 10b5-1 | 20,000 | · | · | 59,638 Direct | -25.11% | Disposed | |
| Sept. 30, 2025 | NUVL | S 10b5-1 | 20,000 | $85.06 | $1,701,200 | 61,734 Direct | -24.47% | Disposed | |
| Sept. 30, 2025 | NUVL | M 10b5-1 | 20,000 | $6.89 | $137,800 | 81,734 Direct | +32.40% | Acquired | |
| Sept. 29, 2025 | NUVL | M 10b5-1 | 7,588 | · | · | 79,638 Direct | -8.70% | Disposed | |
| Sept. 29, 2025 | NUVL | S 10b5-1 | 7,588 | $85.01 | $645,056 | 61,734 Direct | -10.95% | Disposed | |
| Sept. 29, 2025 | NUVL | M 10b5-1 | 7,588 | $6.89 | $52,281 | 69,322 Direct | +12.29% | Acquired |
Showing latest 100 of 166 transactions
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 |
|---|---|---|---|---|---|---|---|
| July 15, 2026 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $106.82 | Jan. 7, 2036 | 17,500 | Disposed |
| July 15, 2026 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $78.09 | Jan. 6, 2035 | 37,500 | Disposed |
| July 15, 2026 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $72.35 | Jan. 5, 2034 | 33,646 | Disposed |
| July 15, 2026 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $27.85 | Jan. 6, 2033 | 84,200 | Disposed |
| July 15, 2026 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $18.93 | Jan. 4, 2032 | 22,933 | Disposed |
| July 15, 2026 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $6.89 | April 29, 2031 | 8,016 | Disposed |
| July 15, 2026 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $1.08 | Feb. 16, 2031 | 131,637 | Disposed |
| July 1, 2026 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $18.93 | Jan. 4, 2032 | 6,046 | Disposed |
| July 1, 2026 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $6.89 | April 29, 2031 | 5,384 | Disposed |
| June 2, 2026 | CBIO | Stock Option (Right to Buy) | Ordinary Shares | $17.01 | June 2, 2036 | 11,050 | Acquired |
| June 1, 2026 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $6.89 | April 29, 2031 | 11,430 | Disposed |
| May 1, 2026 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $1.08 | Feb. 16, 2031 | 7,159 | Disposed |
| May 1, 2026 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $6.89 | April 29, 2031 | 4,271 | Disposed |
| April 1, 2026 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $1.08 | Feb. 16, 2031 | 11,430 | Disposed |
| March 24, 2026 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $1.08 | Feb. 16, 2031 | 11,430 | Disposed |
| Jan. 7, 2026 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $106.82 | Jan. 7, 2036 | 17,500 | Acquired |
| Dec. 22, 2025 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $1.08 | Feb. 16, 2031 | 34,500 | Disposed |
| Nov. 18, 2025 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $72.35 | Jan. 5, 2034 | 729 | Disposed |
| Nov. 17, 2025 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $72.35 | Jan. 5, 2034 | 13,125 | Disposed |
| Nov. 17, 2025 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $6.89 | April 29, 2031 | 6,875 | Disposed |
| Oct. 15, 2025 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $18.93 | Jan. 4, 2032 | 1,683 | Disposed |
| Oct. 14, 2025 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $18.93 | Jan. 4, 2032 | 20,000 | Disposed |
| Oct. 13, 2025 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $18.93 | Jan. 4, 2032 | 13,125 | Disposed |
| Oct. 13, 2025 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $6.89 | April 29, 2031 | 6,875 | Disposed |
| Oct. 1, 2025 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $18.93 | Jan. 4, 2032 | 3,213 | Disposed |
| Oct. 1, 2025 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $6.89 | April 29, 2031 | 16,787 | Disposed |
| Sept. 30, 2025 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $6.89 | April 29, 2031 | 20,000 | Disposed |
| Sept. 29, 2025 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $6.89 | April 29, 2031 | 7,588 | Disposed |
| July 16, 2025 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $18.93 | Jan. 4, 2032 | 14,700 | Disposed |
| July 15, 2025 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $18.93 | Jan. 4, 2032 | 5,300 | Disposed |
| June 27, 2025 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $18.93 | Jan. 4, 2032 | 20,000 | Disposed |
| June 23, 2025 | CBIO | Stock Option (Right to Buy) | Ordinary Shares | $15.30 | June 23, 2035 | 9,023 | Acquired |
| Jan. 6, 2025 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $78.09 | Jan. 6, 2035 | 37,500 | Acquired |
| Dec. 17, 2024 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $6.89 | April 29, 2031 | 8,972 | Disposed |
| Dec. 17, 2024 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $1.08 | Feb. 16, 2031 | 4,728 | Disposed |
| Nov. 29, 2024 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $27.85 | Jan. 6, 2033 | 10,000 | Disposed |
| Oct. 31, 2024 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $27.85 | Jan. 6, 2033 | 10,000 | Disposed |
| Sept. 30, 2024 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $27.85 | Jan. 6, 2033 | 10,000 | Disposed |
| Aug. 30, 2024 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $27.85 | Jan. 6, 2033 | 10,000 | Disposed |
| July 31, 2024 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $27.85 | Jan. 6, 2033 | 10,000 | Disposed |
| June 28, 2024 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $27.85 | Jan. 6, 2033 | 10,000 | Disposed |
| Jan. 5, 2024 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $72.35 | Jan. 5, 2034 | 47,500 | Acquired |
| Dec. 18, 2023 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $1.08 | Feb. 15, 2031 | 30,000 | Disposed |
| July 31, 2023 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $1.08 | Feb. 15, 2031 | 25,000 | Disposed |
| Jan. 6, 2023 | NUVL | Stock Option (Right to Buy) | Class A Common Stock | $27.85 | Jan. 6, 2033 | 144,200 | Acquired |
| Jan. 4, 2022 | NUVL | Stock Option (Right to Buy) | Common Stock | $18.93 | Jan. 4, 2032 | 107,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 23, 2025 | CBIO | Stock Option (Right to Buy) | 20,164 | Direct |
| July 28, 2021 | NUVL | Stock Option (Right to Buy) | 255,884 | Direct |
| July 28, 2021 | NUVL | Stock Option (Right to Buy) | 96,198 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
CIK 1861560
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2024 | $457,200 | · | · | · | $228,600 | · | $21,054 | $5,486,590 |
| 2023 | $440,300 | · | · | · | $228,956 | · | $20,154 | $3,541,647 |
| 2022 | $423,400 | · | · | · | $211,700 | · | $19,116 | $2,019,772 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.