Amy B. Summy
CIK 1805303 · View on SEC EDGAR ↗
Insider
First SEC filing: March 30, 2026 · Latest: March 30, 2026
On this page
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net:
$-283,428
+ 75 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
75 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 4, 2026 | LH | S | 924 | $306.74 | $283,428 | 6,956 Direct | -11.73% | Disposed | 8.8% (price as of 2026-08-20) |
| March 28, 2025 | LH | S 10b5-1 | 758 | $231.67 | $175,606 | 5,302 Direct | -12.51% | Disposed | 44.0% (price as of 2026-08-20) |
| Feb. 24, 2025 | LH | S 10b5-1 | 226 | $250.40 | $56,590 | 4,544 Direct | -4.74% | Disposed | 33.2% (price as of 2026-08-20) |
| Nov. 22, 2024 | LH | S | 3,672 | $238.91 | $877,278 | 4,318 Direct | -45.96% | Disposed | 39.6% (price as of 2026-08-20) |
| April 1, 2024 | LH | S 10b5-1 | 3,500 | $217.29 | $760,515 | 3,975 Direct | -46.82% | Disposed | 53.5% (price as of 2026-08-20) |
| March 7, 2024 | LH | S 10b5-1 | 227 | $218.45 | $49,588 | 3,859 Direct | -5.56% | Disposed | 52.7% (price as of 2026-08-20) |
| March 10, 2022 | LH | S | 249 | $262.21 | $65,290 | 250 Direct | -49.90% | Disposed | 48.1% (price as of 2026-08-20) |
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 |
|---|---|---|---|---|---|---|---|
| Feb. 11, 2026 | LH | Restricted Stock Unit | Common Stock (230) | — | — | 230 | Disposed |
| Feb. 10, 2026 | LH | Restricted Stock Unit | Common Stock (620) | — | — | 620 | Acquired |
| Feb. 10, 2026 | LH | Non-qualified Stock Options [F1] | Common Stock (1,900) | $284.50 | Feb. 9, 2036 | 1,900 | Acquired |
| Feb. 7, 2026 | LH | Restricted Stock Unit | Common Stock (222) | — | — | 222 | Disposed |
| Feb. 6, 2026 | LH | Restricted Stock Unit | Common Stock (223) | — | — | 223 | Disposed |
| Feb. 11, 2025 | LH | Restricted Stock Unit | Common Stock (201) | — | — | 201 | Disposed |
| Feb. 11, 2025 | LH | Restricted Stock Unit | Common Stock (690) | — | — | 690 | Acquired |
| Feb. 11, 2025 | LH | Non-qualified Stock Options [F3] | Common Stock (2,100) | $245.14 | Feb. 10, 2035 | 2,100 | Acquired |
| Feb. 7, 2025 | LH | Restricted Stock Unit | Common Stock (224) | — | — | 224 | Disposed |
| Feb. 6, 2025 | LH | Restricted Stock Unit | Common Stock (223) | — | — | 223 | Disposed |
| Nov. 22, 2024 | LH | Non-qualified Stock Options [F2] | Common Stock (4,015) | — | Feb. 3, 2030 | 4,015 | Disposed |
| March 27, 2024 | LH | Restricted Stock Unit | Common Stock (5,778) | — | — | 5,778 | Disposed |
| Feb. 11, 2024 | LH | Restricted Stock Unit | Common Stock (201) | — | — | 201 | Disposed |
| Feb. 7, 2024 | LH | Restricted Stock Unit | Common Stock (224) | — | — | 224 | Disposed |
| Feb. 6, 2024 | LH | Non-qualified Stock Options [F5] | Common Stock (2,100) | $222.28 | Feb. 5, 2034 | 2,100 | Acquired |
| Feb. 6, 2024 | LH | Restricted Stock Unit | Common Stock (670) | — | — | 670 | Acquired |
| Feb. 2, 2024 | LH | Restricted Stock Unit | Common Stock (246) | — | — | 246 | Disposed |
| June 30, 2023 | LH | Restricted Stock Unit | Common Stock (5,824) | — | — | 5,824 | Acquired |
| March 2, 2023 | LH | Restricted Stock Unit | Common Stock (1,340) | — | — | 1,340 | Disposed |
| Feb. 11, 2023 | LH | Restricted Stock Unit | Common Stock (180) | — | — | 180 | Disposed |
| Feb. 7, 2023 | LH | Non-qualified Stock Options [F4] | Common Stock (1,900) | $247.24 | Feb. 6, 2033 | 1,900 | Acquired |
| Feb. 7, 2023 | LH | Restricted Stock Unit | Common Stock (600) | — | — | 600 | Acquired |
| Feb. 4, 2023 | LH | Restricted Stock Unit | Common Stock (267) | — | — | 267 | Disposed |
| Feb. 2, 2023 | LH | Restricted Stock Unit | Common Stock (220) | — | — | 220 | Disposed |
| Feb. 11, 2022 | LH | Restricted Stock Unit | Common Stock (540) | — | — | 540 | Acquired |
| Feb. 11, 2022 | LH | Non-qualified Stock Options [F4] | Common Stock (1,900) | $276.26 | Feb. 10, 2032 | 1,900 | Acquired |
| Feb. 4, 2022 | LH | Restricted Stock Unit | Common Stock (267) | — | — | 267 | Disposed |
| Feb. 2, 2022 | LH | Restricted Stock Unit | Common Stock (220) | — | — | 220 | Disposed |
| Feb. 4, 2021 | LH | Restricted Stock Unit | Common Stock (266) | — | — | 266 | Disposed |
| Feb. 2, 2021 | LH | Non-qualified Stock Options [F4] | Common Stock (2,300) | $233.39 | Feb. 1, 2031 | 2,300 | Acquired |
| Feb. 2, 2021 | LH | Restricted Stock Unit | Common Stock (660) | — | — | 660 | Acquired |
| March 2, 2020 | LH | Non-qualified Stock Options [F5] | Common Stock (3,600) | $187.96 | Feb. 3, 2030 | 3,600 | Acquired |
| March 2, 2020 | LH | Restricted Stock Unit | Common Stock (1,340) | — | — | 1,340 | Acquired |
| March 2, 2020 | LH | Restricted Stock Unit | Common Stock (800) | — | — | 800 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).