Daniel Niedzwiecki

CIK 1861113 · View on SEC EDGAR ↗

Insider

First SEC filing: May 10, 2021 · Latest: May 10, 2021

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 24 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

24 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
June 13, 2025 LNTH S 10b5-1 6,000 $78.74 $472,440 87,057 Direct -6.45% Disposed 27.6% (price as of 2026-08-20)
June 5, 2025 LNTH S 10b5-1 6,000 $79.65 $477,900 93,057 Direct -6.06% Disposed 26.1% (price as of 2026-08-20)
Aug. 14, 2024 LNTH S 10b5-1 2,500 $97.54 $243,850 77,744 Direct -3.12% Disposed 3.0% (price as of 2026-08-20)
May 30, 2024 LNTH S 10b5-1 12,873 $79.86 $1,028,038 80,244 Direct -13.82% Disposed 25.8% (price as of 2026-08-20)
Sept. 15, 2023 LNTH S 10b5-1 2,846 $66.43 $189,060 66,295 Direct -4.12% Disposed 51.2% (price as of 2026-08-20)
Aug. 11, 2023 LNTH S 10b5-1 4,297 $67.93 $291,895 66,295 Direct -6.09% Disposed 47.9% (price as of 2026-08-20)
May 11, 2023 LNTH S 10b5-1 6,113 $98.82 $604,087 72,058 Direct -7.82% Disposed 1.7% (price as of 2026-08-20)
March 7, 2023 LNTH S 10b5-1 1,055 $72.15 $76,118 74,870 Direct -1.39% Disposed 39.2% (price as of 2026-08-20)
March 6, 2023 LNTH S 10b5-1 9,079 $72.56 $658,772 75,925 Direct -10.68% Disposed 38.4% (price as of 2026-08-20)
Nov. 11, 2022 LNTH S 10b5-1 3,000 $59.73 $179,190 65,143 Direct -4.40% Disposed 68.2% (price as of 2026-08-20)
Aug. 11, 2022 LNTH S 10b5-1 3,000 $82.66 $247,980 68,143 Direct -4.22% Disposed 21.5% (price as of 2026-08-20)
May 18, 2022 LNTH S 10b5-1 1,380 $64.54 $89,065 71,143 Direct -1.90% Disposed 55.6% (price as of 2026-08-20)
March 8, 2022 LNTH S 10b5-1 432 $50.63 $21,872 72,523 Direct -0.59% Disposed 98.4% (price as of 2026-08-20)
March 7, 2022 LNTH S 10b5-1 1,330 $52.55 $69,892 72,955 Direct -1.79% Disposed 91.2% (price as of 2026-08-20)
March 1, 2022 LNTH S 10b5-1 2,645 $48.04 $127,066 58,514 Direct -4.32% Disposed 109.1% (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
March 5, 2025 LNTH Stock Option (right to buy) Common Stock (13,927) $100.48 March 5, 2035 13,927 Acquired
March 1, 2024 LNTH Stock Option (right to buy) Common Stock (18,043) $64.64 March 1, 2034 18,043 Disposed
Sept. 15, 2023 LNTH Stock Option (right to buy) Common Stock (2,846) $17.79 Nov. 6, 2023 2,846 Disposed
April 17, 2023 LNTH Stock Option (right to buy) Common Stock (1,960) $89.16 April 16, 2033 1,960 Acquired
March 2, 2023 LNTH Stock Option (right to buy) Common Stock (7,196) $73.35 March 2, 2033 7,196 Acquired
March 3, 2022 LNTH Stock Option (right to buy) Common Stock (8,992) $49.93 March 3, 2032 8,992 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 2 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
May 10, 2021 LNTH Common Stock 48,210 Direct
May 10, 2021 LNTH Stock Option (Right to Buy)→ Common Stock (2,846) 2,846 Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

LNTH

General Counsel
Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2023 $527,500 — — — $379,890 — $12,701 $3,115,728
2022 $446,495 $50,000 — — $363,825 — $11,611 $2,393,512
2021 $373,575 $0 — — $242,451 — $11,072 $1,139,696

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.