Nicholas Michael Westfall
CIK 1676780 · View on SEC EDGAR ↗
First SEC filing: June 16, 2016 · Latest: June 16, 2016
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Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| 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 |