Nicholas Michael Westfall

CIK 1676780 · View on SEC EDGAR ↗

Insider

First SEC filing: June 16, 2016 · Latest: June 16, 2016

On this page

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 82 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

82 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Aug. 4, 2025 CHE S 10,012 $421.91 $4,224,163 0 Direct -100.00% Disposed 26.6% (price as of 2026-08-19)
Sept. 9, 2024 CHE S 1,713 $569.35 $975,297 6,109 Direct -21.90% Disposed -6.2% (price as of 2026-08-19)
July 30, 2024 CHE S 2,000 $561.58 $1,123,160 6,109 Direct -24.66% Disposed -4.9% (price as of 2026-08-19)
July 30, 2024 CHE S 2,000 $561.58 $1,123,160 5,990 Direct -25.03% Disposed -4.9% (price as of 2026-08-19)
June 1, 2023 CHE S 12,670 $533.70 $6,761,979 7,676 Direct -62.27% Disposed 0.1% (price as of 2026-08-19)
May 30, 2023 CHE S 1,330 $540.34 $718,652 6,346 Direct -17.33% Disposed -1.1% (price as of 2026-08-19)
Nov. 3, 2022 CHE S 13,500 $477.19 $6,442,065 7,000 Direct -65.85% Disposed 12.0% (price as of 2026-08-19)
May 10, 2022 CHE S 1,432 $500.10 $716,143 7,000 Direct -16.98% Disposed 6.8% (price as of 2026-08-19)
Nov. 3, 2021 CHE S 4,176 $485.24 $2,026,362 1,884 Direct -68.91% Disposed 10.1% (price as of 2026-08-19)
Nov. 2, 2021 CHE S 1,418 $490.15 $695,033 6,060 Direct -18.96% Disposed 9.0% (price as of 2026-08-19)
June 8, 2021 CHE S 2,708 $485.04 $1,313,488 999 Direct -73.05% Disposed 10.2% (price as of 2026-08-19)
June 7, 2021 CHE S 2,289 $488.55 $1,118,291 3,707 Direct -38.18% Disposed 9.4% (price as of 2026-08-19)
June 4, 2021 CHE S 1,482 $500.12 $741,178 5,996 Direct -19.82% Disposed 6.8% (price as of 2026-08-19)
Nov. 3, 2020 CHE S 7,527 $490.65 $3,693,123 6,268 Direct -54.56% Disposed 8.9% (price as of 2026-08-19)
Nov. 3, 2020 CHE S 7,527 $490.65 $3,693,123 6,268 Direct -54.56% Disposed 8.9% (price as of 2026-08-19)
May 8, 2020 CHE S 11,895 $426.05 $5,067,865 6,268 Direct -65.49% Disposed 25.4% (price as of 2026-08-19)
May 7, 2020 CHE S 12,105 $428.09 $5,182,029 6,268 Direct -65.88% Disposed 24.8% (price as of 2026-08-19)
Dec. 10, 2018 CHE S 12,291 $302.47 $3,717,659 4,052 Direct -75.21% Disposed 76.7% (price as of 2026-08-19)

Showing latest 100 of 130 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
May 9, 2025 CHE Stock Option (right to buy with tandem tax withholding) Capital Stock (9,956) $462.04 Oct. 31, 2027 9,956 Disposed
May 9, 2025 CHE Stock Option (right to buy with tandem tax withholding) Capital Stock (16,132) $445.35 Oct. 28, 2026 16,132 Disposed
Feb. 14, 2025 CHE Performance Stock Units Capital Stock (1,264) 1,264 Acquired
Feb. 14, 2025 CHE Performance Stock Units Capital Stock (560) 560 Disposed
Feb. 14, 2025 CHE Performance Stock Units Capital Stock (560) 560 Disposed
Oct. 22, 2024 CHE Stock Option (right to buy with tandem tax withholding) Capital Stock (16,788) $597.70 Oct. 22, 2029 16,788 Acquired
Sept. 4, 2024 CHE Stock Option (right to buy with tandem tax withholding) Capital Stock (15,333) $471.74 Oct. 29, 2025 15,333 Disposed
Feb. 16, 2024 CHE Performance Share Units Capital Stock (1,066) 1,066 Acquired
Feb. 16, 2024 CHE Performance Share Units Capital Stock (504) 504 Disposed
Feb. 16, 2024 CHE Performance Share Units Capital Stock (504) 504 Disposed
Oct. 25, 2023 CHE stock option(right to buy with tandem tax withholding) capital stock (14,406) $509.46 Oct. 25, 2028 14,406 Acquired
June 1, 2023 CHE stock option(right to buy with tandem tax withholding) capital stock (12,670) $413.19 Oct. 29, 2024 12,670 Disposed
June 1, 2023 CHE stock option(right to buy with tandem tax withholding) capital stock (1,330) $413.19 Oct. 29, 2024 1,330 Disposed
Feb. 17, 2023 CHE performance stock units capital stock (1,054) 1,054 Acquired
Feb. 17, 2023 CHE performance stock units capital stock (386) 386 Disposed
Feb. 17, 2023 CHE performance stock units capital stock (386) 386 Disposed
Nov. 3, 2022 CHE stock option(right to buy with tandem tax withholding) capital stock (13,500) $306.70 Nov. 2, 2023 13,500 Disposed
Oct. 31, 2022 CHE stock option(right to buy with tandem tax withholding) capital stock (14,934) $462.04 Oct. 31, 2027 14,934 Acquired
Feb. 18, 2022 CHE performance stock units capital stock (1,120) 1,120 Acquired
Feb. 18, 2022 CHE performance stock units capital stock (477) 477 Disposed
Feb. 18, 2022 CHE performance stock units capital stock (477) 477 Disposed
Nov. 4, 2021 CHE stock option(right to buy with tandem tax withholding) capital stock (4,176) $231.91 Nov. 3, 2022 4,176 Disposed
Nov. 4, 2021 CHE stock option(right to buy with tandem tax withholding) capital stock (1,418) $231.91 Nov. 3, 2022 1,418 Disposed
Oct. 29, 2021 CHE stock option(right to buy with tandem tax withholding) capital stock (16,132) $445.35 Oct. 28, 2026 16,132 Acquired
June 11, 2021 CHE stock option(right to buy with tandem tax withholding) capital stock (2,708) $231.91 Nov. 3, 2022 2,708 Disposed
June 10, 2021 CHE stock option(right to buy with tandem tax withholding) capital stock (2,289) $231.91 Nov. 3, 2022 2,289 Disposed
June 9, 2021 CHE stock option(right to buy with tandem tax withholding) capital stock (1,482) $231.91 Nov. 3, 2022 1,482 Disposed
Feb. 19, 2021 CHE performance stock units capital stock (589) 589 Disposed
Feb. 19, 2021 CHE performance stock units capital stock (589) 589 Disposed
Feb. 19, 2021 CHE performance stock units capital stock (1,008) 1,008 Acquired
Nov. 3, 2020 CHE stock option(right to buy with tandem tax withholding) capital stock (7,527) $231.91 Nov. 3, 2022 7,527 Disposed
Nov. 3, 2020 CHE stock option(right to buy with tandem tax withholding) capital stock (7,527) $231.91 Nov. 3, 2022 7,527 Disposed
Oct. 29, 2020 CHE stock option(right to buy with tandem tax withholding) capital stock (15,333) $471.74 Oct. 29, 2025 15,333 Acquired
May 8, 2020 CHE stock option(right to buy with tandem tax withholding) capital stock (11,895) $135.85 Nov. 4, 2021 11,895 Disposed
May 7, 2020 CHE stock option(right to buy with tandem tax withholding) capital stock (12,105) $135.85 Nov. 4, 2021 12,105 Disposed
Feb. 21, 2020 CHE performance stock units capital stock (772) 772 Acquired
Feb. 21, 2020 CHE performance stock units capital stock (676) 676 Disposed
Feb. 21, 2020 CHE performance stock units capital stock (676) 676 Disposed
Oct. 29, 2019 CHE stock option(right to buy with tandem tax withholding) capital stock (14,000) $413.19 Oct. 29, 2024 14,000 Acquired
Feb. 22, 2019 CHE performance stock units capital stock (954) 954 Acquired
Feb. 22, 2019 CHE performance stock units capital stock (395) 395 Disposed
Feb. 22, 2019 CHE performance stock units capital stock (395) 395 Disposed
Dec. 12, 2018 CHE stock option(right to buy with tandem tax withholding) capital stock (12,000) $135.85 Nov. 4, 2021 12,000 Disposed
Dec. 12, 2018 CHE stock option(right to buy with tandem tax withholding) capital stock (6,000) $157.36 Nov. 6, 2020 6,000 Disposed
Nov. 2, 2018 CHE stock option(right to buy with tandem tax withholding) capital stock (13,500) $306.70 Nov. 2, 2023 13,500 Acquired
May 2, 2018 CHE stock option(right to buy with tandem tax withholding) capital stock (2,919) $70.30 Nov. 8, 2023 2,919 Disposed
May 2, 2018 CHE stock option(right to buy with tandem tax withholding) capital stock (10,000) $106.59 Nov. 7, 2024 10,000 Disposed
Feb. 16, 2018 CHE performance stock units capital stock (1,178) 1,178 Acquired
Feb. 16, 2018 CHE performance stock units capital stock (354) 354 Disposed
Feb. 16, 2018 CHE performance stock units capital stock (354) 354 Disposed
Nov. 13, 2017 CHE stock option(right to buy with tandem tax withholding) capital stock (10,000) $157.36 Nov. 6, 2020 10,000 Disposed
Nov. 3, 2017 CHE stock option(right to buy with tandem tax withholding) capital stock (19,600) $231.91 Nov. 3, 2022 19,600 Acquired
Feb. 17, 2017 CHE performance stock units capital stock (1,352) 1,352 Acquired
Feb. 17, 2017 CHE performance stock units capital stock (355) 355 Disposed
Nov. 4, 2016 CHE stock option(right to buy with tandem tax withholding) capital stock (36,000) $135.85 Nov. 4, 2021 36,000 Acquired
Feb. 17, 2016 CHE performance stock units capital stock (482) 482 Disposed

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

Initial ownership (Form 3) 9 holdings

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

Date Ticker Security Shares Ownership
June 16, 2016 CHE capital stock 2,831 Direct
June 16, 2016 CHE performance stock units→ capital stock (482) 482 Direct
June 16, 2016 CHE performance stock units→ capital stock (355) 355 Direct
June 16, 2016 CHE performance stock units→ capital stock (354) 354 Direct
June 16, 2016 CHE performance stock units→ capital stock (354) 354 Direct
June 16, 2016 CHE performance stock units→ capital stock (790) 790 Direct
June 16, 2016 CHE stock option (right to buy with tandem tax withholding)→ capital stock (2,919) 2,919 Direct
June 16, 2016 CHE stock option (right to buy with tandem tax withholding)→ capital stock (10,000) 10,000 Direct
June 16, 2016 CHE stock option (right to buy with tandem tax withholding)→ capital stock (16,000) 16,000 Direct