Donald G Jackson — SEC Insider Profile, Roles & Companies

Insider at

CMI selling May 14, 2026

Insider transactions

0 buys (P) 4 sells (S) Net: $-1,479,182 + 45 non-open-market transactions below 12 months to the week close of 2026-10-23

Price change vs the latest weekly close (updated to the current quote in your browser when available), split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

45 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 14, 2026	CMI	S	90	$712.70	$64,143	8,956 Direct	-0.99%	Disposed	-27.4% (price as of 2026-10-23)
May 14, 2026	CMI	S	160	$711.61	$113,858	8,796 Direct	-1.79%	Disposed	-27.3% (price as of 2026-10-23)
May 14, 2026	CMI	S	480	$710.36	$340,973	8,316 Direct	-5.46%	Disposed	-27.2% (price as of 2026-10-23)
March 1, 2026	CMI	A	2,832	·	·	10,046 Direct	+39.26%	Acquired
March 1, 2026	CMI	F	1,000	$583.87	$583,870	9,046 Direct	-9.95%	Disposed	-11.4% (price as of 2026-10-23)
Feb. 24, 2026	CMI	M	1,600	$142.12	$227,392	8,814 Direct	+22.18%	Acquired	264.1% (price as of 2026-10-23)
Feb. 24, 2026	CMI	S	1,600	$600.13	$960,208	7,214 Direct	-18.15%	Disposed	-13.8% (price as of 2026-10-23)
Feb. 24, 2026	CMI	M	1,600	·	·	1,330 Direct	-54.61%	Disposed
Aug. 13, 2025	CMI	M	3,390	$163.43	$554,028	10,604 Direct	+46.99%	Acquired	216.6% (price as of 2026-10-23)
Aug. 13, 2025	CMI	S	3,390	$402.17	$1,363,356	7,214 Direct	-31.97%	Disposed	28.7% (price as of 2026-10-23)
Aug. 13, 2025	CMI	M	3,390	·	·	0 Direct	-100.00%	Disposed
June 1, 2025	CMI	A	1,480	·	·	7,214 Direct	+25.81%	Acquired
March 1, 2025	CMI	A	1,613	·	·	5,729 Direct	+39.19%	Acquired
March 1, 2025	CMI	A	690	·	·	6,419 Direct	+12.04%	Acquired
March 1, 2025	CMI	F	201	$368.18	$74,004	6,218 Direct	-3.13%	Disposed	40.5% (price as of 2026-10-23)
March 1, 2025	CMI	F	484	$368.18	$178,199	5,734 Direct	-7.78%	Disposed	40.5% (price as of 2026-10-23)
Nov. 12, 2024	CMI	M	2,810	$149.72	$420,713	6,926 Direct	+68.27%	Acquired	245.6% (price as of 2026-10-23)
Nov. 12, 2024	CMI	M	2,175	$160.10	$348,218	9,101 Direct	+31.40%	Acquired	223.2% (price as of 2026-10-23)
Nov. 12, 2024	CMI	S	500	$357.67	$178,835	8,601 Direct	-5.49%	Disposed	44.7% (price as of 2026-10-23)
Nov. 12, 2024	CMI	S	1,649	$355.34	$585,956	6,952 Direct	-19.17%	Disposed	45.6% (price as of 2026-10-23)
Nov. 12, 2024	CMI	S	2,836	$356.46	$1,010,921	4,116 Direct	-40.79%	Disposed	45.1% (price as of 2026-10-23)
Nov. 12, 2024	CMI	M	2,810	·	·	0 Direct	-100.00%	Disposed
Nov. 12, 2024	CMI	M	2,175	·	·	0 Direct	-100.00%	Disposed
March 1, 2024	CMI	A	1,410	·	·	4,585 Direct	+44.41%	Acquired
March 1, 2024	CMI	F	470	$270.26	$127,022	4,115 Direct	-10.25%	Disposed	91.4% (price as of 2026-10-23)
Feb. 22, 2024	CMI	M	3,390	$109.09	$369,815	6,565 Direct	+106.77%	Acquired	374.3% (price as of 2026-10-23)
Feb. 22, 2024	CMI	M	1,340	$136.82	$183,339	7,905 Direct	+20.41%	Acquired	278.2% (price as of 2026-10-23)
Feb. 22, 2024	CMI	M	350	$149.34	$52,269	8,255 Direct	+4.43%	Acquired	246.5% (price as of 2026-10-23)
Feb. 22, 2024	CMI	S	800	$262.30	$209,840	7,455 Direct	-9.69%	Disposed	97.3% (price as of 2026-10-23)
Feb. 22, 2024	CMI	S	4,280	$261.61	$1,119,691	3,175 Direct	-57.41%	Disposed	97.8% (price as of 2026-10-23)
Feb. 22, 2024	CMI	M	350	·	·	0 Direct	-100.00%	Disposed
Feb. 22, 2024	CMI	M	1,340	·	·	0 Direct	-100.00%	Disposed
Feb. 22, 2024	CMI	M	3,390	·	·	0 Direct	-100.00%	Disposed
March 1, 2023	CMI	A	562	·	·	3,320 Direct	+20.38%	Acquired
March 1, 2023	CMI	A	54	·	·	3,374 Direct	+1.63%	Acquired
March 1, 2023	CMI	F	16	$249.21	$3,987	3,358 Direct	-0.47%	Disposed	107.6% (price as of 2026-10-23)
March 1, 2023	CMI	F	183	$249.21	$45,605	3,175 Direct	-5.45%	Disposed	107.6% (price as of 2026-10-23)
March 1, 2022	CMI	A	670	·	·	2,981 Direct	+28.99%	Acquired
March 1, 2022	CMI	F	223	$196.07	$43,724	2,758 Direct	-7.48%	Disposed	163.9% (price as of 2026-10-23)
March 1, 2021	CMI	A	684	·	·	2,526 Direct	+37.13%	Acquired
March 1, 2021	CMI	F	215	$262.98	$56,541	2,311 Direct	-8.51%	Disposed	96.7% (price as of 2026-10-23)
June 1, 2020	CMI	A	270	·	·	270 Direct	·	Acquired
April 6, 2020	CMI	A	2,930	·	·	2,930 Direct	·	Acquired
March 1, 2020	CMI	A	1,340	·	·	2,259 Direct	+145.81%	Acquired
March 1, 2020	CMI	F	417	$151.29	$63,088	1,842 Direct	-18.46%	Disposed	242.0% (price as of 2026-10-23)
April 4, 2019	CMI	A	3,390	·	·	3,390 Direct	·	Acquired
March 1, 2019	CMI	A	720	·	·	1,155 Direct	+165.52%	Acquired
March 1, 2019	CMI	F	236	$154.41	$36,441	919 Direct	-20.43%	Disposed	235.1% (price as of 2026-10-23)
April 3, 2018	CMI	A	2,175	·	·	2,175 Direct	·	Acquired
March 1, 2018	CMI	A	280	·	·	532 Direct	+111.11%	Acquired
March 1, 2018	CMI	F	96	$160.89	$15,445	436 Direct	-18.05%	Disposed	221.6% (price as of 2026-10-23)
May 1, 2017	CMI	A	2,810	·	·	2,810 Direct	·	Acquired
March 6, 2017	CMI	A	105	·	·	111 Direct	+1750.00%	Acquired
March 6, 2017	CMI	F	38	$152.85	$5,808	73 Direct	-34.23%	Disposed	238.5% (price as of 2026-10-23)
April 4, 2016	CMI	A	3,390	·	·	3,390 Direct	·	Acquired

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. 24, 2026	CMI	Stock Option (Right-to-Buy)	Common (1,600)	$142.12	April 6, 2030	1,600	Disposed
Aug. 13, 2025	CMI	Stock Option (Right-to-Buy)	Common (3,390)	$163.43	April 4, 2029	3,390	Disposed
Nov. 12, 2024	CMI	Stock Option (Right-to-Buy)	Common (2,810)	$149.72	April 3, 2027	2,810	Disposed
Nov. 12, 2024	CMI	Stock Option (Right-to-Buy)	Common (2,175)	$160.10	April 3, 2028	2,175	Disposed
Feb. 22, 2024	CMI	Stock Option (Right-to-Buy)	Common (350)	$149.34	April 2, 2024	350	Disposed
Feb. 22, 2024	CMI	Stock Option (Right-to-Buy)	Common (1,340)	$136.82	April 2, 2025	1,340	Disposed
Feb. 22, 2024	CMI	Stock Option (Right-to-Buy)	Common (3,390)	$109.09	April 4, 2026	3,390	Disposed
June 1, 2020	CMI	Stock Option (Right-to-Buy)	Common (270)	$169.83	June 1, 2030	270	Acquired
April 6, 2020	CMI	Stock Option (Right-to-Buy)	Common (2,930)	$142.12	April 6, 2030	2,930	Acquired
April 4, 2019	CMI	Stock Option (Right-to-Buy)	Common (3,390)	$163.43	April 4, 2029	3,390	Acquired
April 3, 2018	CMI	Stock Option (Right-to-Buy)	Common (2,175)	$160.10	April 3, 2028	2,175	Acquired
May 1, 2017	CMI	Stock Option (Right-to-Buy)	Common (2,810)	$149.72	April 3, 2027	2,810	Acquired
April 4, 2016	CMI	Stock Option (Right-to-Buy)	Common (3,390)	$109.09	April 4, 2026	3,390	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
May 1, 2015	CMI	Common	·	Indirect
May 1, 2015	CMI	Stock Option (Right-to-Buy)→ Common (1,340)	1,340	Direct
May 1, 2015	CMI	Stock Option (Right-to-Buy)→ Common (350)	350	Direct

Holdings reported on Form 4 116 reported holdings

Positions listed on each Form 4 without a transaction in that filing (Table I and II holdings), newest filing first.

Date	Ticker	Security	Shares	Exercise price	Expiration	Ownership
May 14, 2026	CMI	Common	215	·	·	Indirect
May 14, 2026	CMI	Stock Option (Right-to-Buy)→ Common (1,330)	1,330	$142.12	April 6, 2030	Direct
May 14, 2026	CMI	Stock Option (Right-to-Buy)→ Common (270)	270	$169.83	June 1, 2030	Direct
March 3, 2026	CMI	Common	226	·	·	Indirect
March 3, 2026	CMI	Stock Option (Right-to-Buy)→ Common (1,330)	1,330	$142.12	April 6, 2030	Direct
March 3, 2026	CMI	Stock Option (Right-to-Buy)→ Common (270)	270	$169.83	June 1, 2030	Direct
Feb. 25, 2026	CMI	Common	226	·	·	Indirect
Feb. 25, 2026	CMI	Stock Option (Right-to-Buy)→ Common (270)	270	$169.83	June 1, 2030	Direct
March 4, 2025	CMI	Common	219	·	·	Indirect
March 4, 2025	CMI	Stock Option (Right-to-Buy)→ Common (2,930)	2,930	$142.12	April 6, 2030	Direct
March 4, 2025	CMI	Stock Option (Right-to-Buy)→ Common (3,390)	3,390	$163.43	April 4, 2029	Direct
March 4, 2025	CMI	Stock Option (Right-to-Buy)→ Common (270)	270	$169.83	June 1, 2030	Direct
Nov. 14, 2024	CMI	Common	219	·	·	Indirect
Nov. 14, 2024	CMI	Stock Option (Right-to-Buy)→ Common (2,930)	2,930	$142.12	April 6, 2030	Direct
Nov. 14, 2024	CMI	Stock Option (Right-to-Buy)→ Common (3,390)	3,390	$163.43	April 4, 2029	Direct
Nov. 14, 2024	CMI	Stock Option (Right-to-Buy)→ Common (270)	270	$169.83	June 1, 2030	Direct
March 5, 2024	CMI	Common	220	·	·	Indirect
March 5, 2024	CMI	Stock Option (Right-to-Buy)→ Common (2,930)	2,930	$142.12	April 6, 2030	Direct
March 5, 2024	CMI	Stock Option (Right-to-Buy)→ Common (2,810)	2,810	$149.72	April 3, 2027	Direct
March 5, 2024	CMI	Stock Option (Right-to-Buy)→ Common (2,175)	2,175	$160.10	April 3, 2028	Direct
March 5, 2024	CMI	Stock Option (Right-to-Buy)→ Common (3,390)	3,390	$163.43	April 4, 2029	Direct
March 5, 2024	CMI	Stock Option (Right-to-Buy)→ Common (270)	270	$169.83	June 1, 2030	Direct
Feb. 22, 2024	CMI	Common	220	·	·	Indirect
Feb. 22, 2024	CMI	Stock Option (Right-to-Buy)→ Common (2,930)	2,930	$142.12	April 6, 2030	Direct
Feb. 22, 2024	CMI	Stock Option (Right-to-Buy)→ Common (2,810)	2,810	$149.72	April 3, 2027	Direct
Feb. 22, 2024	CMI	Stock Option (Right-to-Buy)→ Common (2,175)	2,175	$160.10	April 3, 2028	Direct
Feb. 22, 2024	CMI	Stock Option (Right-to-Buy)→ Common (3,390)	3,390	$163.43	April 4, 2029	Direct
Feb. 22, 2024	CMI	Stock Option (Right-to-Buy)→ Common (270)	270	$169.83	June 1, 2030	Direct
March 3, 2023	CMI	Common	209	·	·	Indirect
March 3, 2023	CMI	Stock Option (Right-to-Buy)→ Common (3,390)	3,390	$109.09	April 4, 2026	Direct
March 3, 2023	CMI	Stock Option (Right-to-Buy)→ Common (1,340)	1,340	$136.82	April 2, 2025	Direct
March 3, 2023	CMI	Stock Option (Right-to-Buy)→ Common (2,930)	2,930	$142.12	April 6, 2030	Direct
March 3, 2023	CMI	Stock Option (Right-to-Buy)→ Common (350)	350	$149.34	April 2, 2024	Direct
March 3, 2023	CMI	Stock Option (Right-to-Buy)→ Common (2,810)	2,810	$149.72	April 3, 2027	Direct
March 3, 2023	CMI	Stock Option (Right-to-Buy)→ Common (2,175)	2,175	$160.10	April 3, 2028	Direct
March 3, 2023	CMI	Stock Option (Right-to-Buy)→ Common (3,390)	3,390	$163.43	April 4, 2029	Direct
March 3, 2023	CMI	Stock Option (Right-to-Buy)→ Common (270)	270	$169.83	June 1, 2030	Direct
March 3, 2022	CMI	Common	204	·	·	Indirect
March 3, 2022	CMI	Stock Option (Right-to-Buy)→ Common (3,390)	3,390	$109.09	April 4, 2026	Direct
March 3, 2022	CMI	Stock Option (Right-to-Buy)→ Common (1,340)	1,340	$136.82	April 2, 2025	Direct
March 3, 2022	CMI	Stock Option (Right-to-Buy)→ Common (2,930)	2,930	$142.12	April 6, 2030	Direct
March 3, 2022	CMI	Stock Option (Right-to-Buy)→ Common (350)	350	$149.34	April 2, 2024	Direct
March 3, 2022	CMI	Stock Option (Right-to-Buy)→ Common (2,810)	2,810	$149.72	April 3, 2027	Direct
March 3, 2022	CMI	Stock Option (Right-to-Buy)→ Common (2,175)	2,175	$160.10	April 3, 2028	Direct
March 3, 2022	CMI	Stock Option (Right-to-Buy)→ Common (3,390)	3,390	$163.43	April 4, 2029	Direct
March 3, 2022	CMI	Stock Option (Right-to-Buy)→ Common (270)	270	$169.83	June 1, 2030	Direct
March 3, 2021	CMI	Common	199	·	·	Indirect
March 3, 2021	CMI	Stock Option (Right-to-Buy)→ Common (3,390)	3,390	$109.09	April 4, 2026	Direct
March 3, 2021	CMI	Stock Option (Right-to-Buy)→ Common (1,340)	1,340	$136.82	April 2, 2025	Direct
March 3, 2021	CMI	Stock Option (Right-to-Buy)→ Common (2,930)	2,930	$142.12	April 6, 2030	Direct
March 3, 2021	CMI	Stock Option (Right-to-Buy)→ Common (350)	350	$149.34	April 2, 2024	Direct
March 3, 2021	CMI	Stock Option (Right-to-Buy)→ Common (2,810)	2,810	$149.72	April 3, 2027	Direct
March 3, 2021	CMI	Stock Option (Right-to-Buy)→ Common (2,175)	2,175	$160.10	April 3, 2028	Direct
March 3, 2021	CMI	Stock Option (Right-to-Buy)→ Common (3,390)	3,390	$163.43	April 4, 2029	Direct
March 3, 2021	CMI	Stock Option (Right-to-Buy)→ Common (270)	270	$169.83	June 1, 2030	Direct
June 3, 2020	CMI	Common	1,841	·	·	Direct
June 3, 2020	CMI	Common	196	·	·	Indirect
June 3, 2020	CMI	Stock Option (Right-to-Buy)→ Common (3,390)	3,390	$109.09	April 4, 2026	Direct
June 3, 2020	CMI	Stock Option (Right-to-Buy)→ Common (1,340)	1,340	$136.82	April 2, 2025	Direct
June 3, 2020	CMI	Stock Option (Right-to-Buy)→ Common (2,930)	2,930	$142.12	April 6, 2030	Direct
June 3, 2020	CMI	Stock Option (Right-to-Buy)→ Common (350)	350	$149.34	April 2, 2024	Direct
June 3, 2020	CMI	Stock Option (Right-to-Buy)→ Common (2,810)	2,810	$149.72	April 3, 2027	Direct
June 3, 2020	CMI	Stock Option (Right-to-Buy)→ Common (2,175)	2,175	$160.10	April 3, 2028	Direct
June 3, 2020	CMI	Stock Option (Right-to-Buy)→ Common (3,390)	3,390	$163.43	April 4, 2029	Direct
April 8, 2020	CMI	Common	1,841	·	·	Direct
April 8, 2020	CMI	Common	196	·	·	Indirect
April 8, 2020	CMI	Stock Option (Right-to-Buy)→ Common (3,390)	3,390	$109.09	April 4, 2026	Direct
April 8, 2020	CMI	Stock Option (Right-to-Buy)→ Common (1,340)	1,340	$136.82	April 2, 2025	Direct
April 8, 2020	CMI	Stock Option (Right-to-Buy)→ Common (350)	350	$149.34	April 2, 2024	Direct
April 8, 2020	CMI	Stock Option (Right-to-Buy)→ Common (2,810)	2,810	$149.72	April 3, 2027	Direct
April 8, 2020	CMI	Stock Option (Right-to-Buy)→ Common (2,175)	2,175	$160.10	April 3, 2028	Direct
April 8, 2020	CMI	Stock Option (Right-to-Buy)→ Common (3,390)	3,390	$163.43	April 4, 2029	Direct
March 3, 2020	CMI	Common	194	·	·	Indirect
March 3, 2020	CMI	Stock Option (Right-to-Buy)→ Common (3,390)	3,390	$109.09	April 4, 2026	Direct
March 3, 2020	CMI	Stock Option (Right-to-Buy)→ Common (1,340)	1,340	$136.82	April 2, 2025	Direct
March 3, 2020	CMI	Stock Option (Right-to-Buy)→ Common (350)	350	$149.34	April 2, 2024	Direct
March 3, 2020	CMI	Stock Option (Right-to-Buy)→ Common (2,810)	2,810	$149.72	April 3, 2027	Direct
March 3, 2020	CMI	Stock Option (Right-to-Buy)→ Common (2,175)	2,175	$160.10	April 3, 2028	Direct
March 3, 2020	CMI	Stock Option (Right-to-Buy)→ Common (3,390)	3,390	$163.43	April 4, 2029	Direct
April 8, 2019	CMI	Common	918	·	·	Direct
April 8, 2019	CMI	Common	190	·	·	Indirect
April 8, 2019	CMI	Stock Option (Right-to-Buy)→ Common (3,390)	3,390	$109.09	April 4, 2026	Direct
April 8, 2019	CMI	Stock Option (Right-to-Buy)→ Common (1,340)	1,340	$136.82	April 2, 2025	Direct
April 8, 2019	CMI	Stock Option (Right-to-Buy)→ Common (350)	350	$149.34	April 2, 2024	Direct
April 8, 2019	CMI	Stock Option (Right-to-Buy)→ Common (2,810)	2,810	$149.72	April 3, 2027	Direct
April 8, 2019	CMI	Stock Option (Right-to-Buy)→ Common (2,175)	2,175	$160.10	April 3, 2028	Direct
March 5, 2019	CMI	Common	189	·	·	Indirect
March 5, 2019	CMI	Stock Option (Right-to-Buy)→ Common (3,390)	3,390	$109.09	April 4, 2026	Direct
March 5, 2019	CMI	Stock Option (Right-to-Buy)→ Common (1,340)	1,340	$136.82	April 2, 2025	Direct
March 5, 2019	CMI	Stock Option (Right-to-Buy)→ Common (350)	350	$149.34	April 2, 2024	Direct
March 5, 2019	CMI	Stock Option (Right-to-Buy)→ Common (2,810)	2,810	$149.72	April 3, 2027	Direct
March 5, 2019	CMI	Stock Option (Right-to-Buy)→ Common (2,175)	2,175	$160.10	April 3, 2028	Direct
April 5, 2018	CMI	Common	435	·	·	Direct
April 5, 2018	CMI	Common	185	·	·	Indirect
April 5, 2018	CMI	Stock Option (Right-to-Buy)→ Common (3,390)	3,390	$109.09	April 4, 2026	Direct
April 5, 2018	CMI	Stock Option (Right-to-Buy)→ Common (1,340)	1,340	$136.82	April 2, 2025	Direct
April 5, 2018	CMI	Stock Option (Right-to-Buy)→ Common (350)	350	$149.34	April 2, 2024	Direct
April 5, 2018	CMI	Stock Option (Right-to-Buy)→ Common (2,810)	2,810	$149.72	April 3, 2027	Direct
March 5, 2018	CMI	Common	183	·	·	Indirect
March 5, 2018	CMI	Stock Option (Right-to-Buy)→ Common (3,390)	3,390	$109.09	April 4, 2026	Direct

Loaded 100 of 116 rows

Annual statements (Form 5) Transactions and holdings reported once a year on SEC Form 5 — exempt or late-reported trades, gifts and small acquisitions.

Transactions (1)

Date	Ticker	Security	Code	Shares	Price	Value	Owned after	Exercise price	Expiration	A/D
March 1, 2018	CMI	Common	F	1	·	·	435	·	·	·

Holdings (6)

Date	Ticker	Security	Shares	Exercise price	Expiration	Ownership
Jan. 18, 2019	CMI	Common	·	·	·	Indirect
Jan. 18, 2019	CMI	Stock Option (Right-to-Buy)→ Common (3,390)	3,390	$109.09	·	Direct
Jan. 18, 2019	CMI	Stock Option (Right-to-Buy)→ Common (1,340)	1,340	$136.82	·	Direct
Jan. 18, 2019	CMI	Stock Option (Right-to-Buy)→ Common (350)	350	$149.34	·	Direct
Jan. 18, 2019	CMI	Stock Option (Right-to-Buy)→ Common (2,810)	2,810	$149.72	·	Direct
Jan. 18, 2019	CMI	Stock Option (Right-to-Buy)→ Common (2,175)	2,175	$160.10	·	Direct