Stocks
CMP Compass Minerals International Inc

CMP

Compass Minerals International Inc

Company with tickers: CMP

CIK

1227654

CUSIP

20451N101

Shares Outstanding

41,958,348

Price History Institutional Holders Short Volume Short Interest Fails to Deliver Financials SEC Filings Earnings Calls Insider Trades Congressional Trades

Date	Insider	Role	Type	Shares	Price	Value	After
2026-05-18	Nichols Benjamin S.	Chief Commercial Officer	Convert	685	—	—	0
2026-05-18	Nichols Benjamin S.	Chief Commercial Officer	Convert	685	—	—	14,388
2026-05-18	Nichols Benjamin S.	Chief Commercial Officer	Other	249	—	—	249
2026-05-18	Nichols Benjamin S.	Chief Commercial Officer	Tax	195	$28.97	$5,649	14,193
2026-05-13	Nichols Benjamin S.	Chief Commercial Officer	Convert	737	—	—	1,473
2026-05-13	Nichols Benjamin S.	Chief Commercial Officer	Tax	247	$30.21	$7,462	13,703
2026-05-13	Nichols Benjamin S.	Chief Commercial Officer	Convert	737	—	—	13,950
2026-05-13	Nichols Benjamin S.	Chief Commercial Officer	Other	249	—	—	249
2026-03-31	Reece Joseph E	Director	Award	1,816	—	—	94,465
2026-03-31	Reece Joseph E	Director	Other	21,000	—	—	21,000
2026-03-31	DEALY RICHARD P	Director	Award	1,259	—	—	44,816
2026-03-31	Safran David	Director	Award	1,071	—	—	1,252
2026-03-05	Ball Russell David	Director	Other	186	—	—	186
2026-03-05	Ball Russell David	Director	Award	5,032	—	—	5,032
2026-03-05	Roberts Mark Lawrence	Director	Other	196	—	—	196
2026-03-05	Roberts Mark Lawrence	Director	Award	5,032	—	—	5,032
2026-03-05	Merle Denise M	Director	Award	5,032	—	—	5,032
2026-03-05	Merle Denise M	Director	Other	220	—	—	220
2026-03-05	Joyce Gareth T	Director	Award	5,032	—	—	5,032
2026-03-05	Joyce Gareth T	Director	Convert	11,905	—	—	0
2026-03-05	Joyce Gareth T	Director	Convert	11,905	—	—	43,118
2026-03-05	Miller Melissa M	Director	Convert	11,905	—	—	0
2026-03-05	Miller Melissa M	Director	Award	5,032	—	—	5,032
2026-03-05	Miller Melissa M	Director	Convert	11,905	—	—	43,152
2026-03-05	DEALY RICHARD P	Director	Convert	11,905	—	—	0
2026-03-05	DEALY RICHARD P	Director	Award	5,032	—	—	5,032
2026-03-05	DEALY RICHARD P	Director	Convert	11,905	—	—	43,557
2026-03-05	WALKER LORI A	Director	Convert	11,905	—	—	58,715
2026-03-05	WALKER LORI A	Director	Convert	11,905	—	—	0
2026-03-05	Reece Joseph E	Director	Other	21,000	—	—	21,000
2026-03-05	Reece Joseph E	Director	Award	9,434	—	—	9,434
2026-03-05	Reece Joseph E	Director	Convert	22,322	—	—	0
2026-03-05	Reece Joseph E	Director	Convert	22,322	—	—	92,649
2026-03-05	Safran David	Director	Award	5,032	—	—	5,032
2026-03-05	Safran David	Director	Other	181	—	—	181
2026-03-03	Merrin Patrick James	Chief Operations Officer	Convert	18,525	—	—	18,525
2026-03-03	Merrin Patrick James	Chief Operations Officer	Tax	5,003	$24.68	$123,474	13,522
2026-03-03	Merrin Patrick James	Chief Operations Officer	Convert	7,478	—	—	7,477
2026-03-03	Merrin Patrick James	Chief Operations Officer	Convert	11,047	—	—	22,094
2026-01-28	Fjellman Peter	Chief Financial Officer	Convert	8,321	—	—	16,641
2026-01-28	Fjellman Peter	Chief Financial Officer	Convert	8,321	—	—	8,321
2026-01-28	Fjellman Peter	Chief Financial Officer	Tax	2,720	$25.90	$70,448	5,601
2026-01-18	DOWLING EDWARD C	Director, President and CEO	Tax	6,878	$23.29	$160,189	66,261
2026-01-18	DOWLING EDWARD C	Director, President and CEO	Convert	22,350	—	—	73,139
2026-01-18	DOWLING EDWARD C	Director, President and CEO	Other	4,882	—	—	4,882
2026-01-18	DOWLING EDWARD C	Director, President and CEO	Convert	22,350	—	—	22,350
2025-12-31	Safran David	Director	Award	181	—	—	181
2025-12-31	Roberts Mark Lawrence	Director	Award	196	—	—	196
2025-12-31	Ball Russell David	Director	Award	186	—	—	186
2025-12-31	WALKER LORI A	Director	Other	990	—	—	990
2025-12-31	WALKER LORI A	Director	Award	1,528	—	—	45,820
2025-12-31	Joyce Gareth T	Director	Award	1,401	—	—	31,213
2025-12-31	DEALY RICHARD P	Director	Award	1,496	—	—	31,652
2025-12-31	Merle Denise M	Director	Award	220	—	—	220
2025-12-31	Reece Joseph E	Director	Other	21,000	—	—	21,000
2025-12-31	Reece Joseph E	Director	Award	2,260	—	—	70,327
2025-12-31	Miller Melissa M	Director	Award	1,433	—	—	31,247
2025-12-18	Merle Denise M	Director	Other	0	—	—	0
2025-12-18	Roberts Mark Lawrence	Director	Other	0	—	—	0
2025-12-18	Ball Russell David	Director	Other	0	—	—	0
2025-12-18	Safran David	Director	Other	0	—	—	0
2025-12-18	Safran David	Director	Award	1,348	—	—	1,348
2025-12-18	Roberts Mark Lawrence	Director	Award	1,348	—	—	1,348
2025-12-18	Ball Russell David	Director	Award	1,348	—	—	1,348
2025-12-18	Merle Denise M	Director	Award	1,348	—	—	1,348
2025-11-24	Ward Ashley	Chief Accounting Officer	Award	6,959	—	—	6,959
2025-11-24	Ward Ashley	Chief Accounting Officer	Other	1,835	—	—	1,835
2025-11-24	Fjellman Peter	Chief Financial Officer	Award	25,043	—	—	25,043
2025-11-24	Merrin Patrick James	Chief Operations Officer	Award	32,268	—	—	32,268
2025-11-24	Tills Amy	Chief Human Resources Officer	Award	8,979	—	—	8,979
2025-11-24	DOWLING EDWARD C	Director, President and CEO	Award	98,205	—	—	98,205
2025-11-24	DOWLING EDWARD C	Director, President and CEO	Other	50,789	—	—	50,789
2025-11-24	DOWLING EDWARD C	Director, President and CEO	Other	4,882	—	—	4,882
2025-11-24	Nichols Benjamin S.	Chief Commercial Officer	Other	249	—	—	249
2025-11-24	Nichols Benjamin S.	Chief Commercial Officer	Other	13,213	—	—	13,213
2025-11-24	Nichols Benjamin S.	Chief Commercial Officer	Award	17,576	—	—	17,576
2025-10-15	Ward Ashley	Chief Accounting Officer	Convert	2,598	—	—	5,196
2025-10-15	Ward Ashley	Chief Accounting Officer	Tax	763	$19.53	$14,901	1,835
2025-10-15	DOWLING EDWARD C	Director, President and CEO	Convert	45,467	—	—	90,933
2025-10-15	DOWLING EDWARD C	Director, President and CEO	Convert	45,467	—	—	65,978
2025-10-15	DOWLING EDWARD C	Director, President and CEO	Tax	15,189	$19.53	$296,641	50,789
2025-10-15	DOWLING EDWARD C	Director, President and CEO	Other	4,882	—	—	4,882
2025-10-15	Nichols Benjamin S.	Chief Commercial Officer	Other	249	—	—	249
2025-10-15	Nichols Benjamin S.	Chief Commercial Officer	Convert	7,408	—	—	15,389
2025-10-15	Nichols Benjamin S.	Chief Commercial Officer	Tax	2,176	$19.53	$42,497	13,213
2025-10-15	Nichols Benjamin S.	Chief Commercial Officer	Convert	855	—	—	856
2025-10-15	Nichols Benjamin S.	Chief Commercial Officer	Convert	464	—	—	0
2025-10-15	Nichols Benjamin S.	Chief Commercial Officer	Convert	6,089	—	—	12,179
2025-10-15	Ward Ashley	Chief Accounting Officer	Convert	2,598	—	—	2,598
2025-09-30	Joyce Gareth T	Director	Award	1,433	—	—	29,812
2025-09-30	Reece Joseph E	Director	Award	2,312	—	—	68,067
2025-09-30	Reece Joseph E	Director	Other	21,000	—	—	21,000
2025-09-30	Miller Melissa M	Director	Award	1,465	—	—	29,814
2025-09-30	DEALY RICHARD P	Director	Award	1,530	—	—	30,156
2025-09-30	WALKER LORI A	Director	Other	3,053	—	—	3,053
2025-09-30	WALKER LORI A	Director	Award	1,563	—	—	42,229
2025-09-11	Tills Amy	Chief Human Resources Officer	Other	0	—	—	0
2025-09-11	Tills Amy	Chief Human Resources Officer	Award	14,595	—	—	14,595
2025-06-30	Joyce Gareth T	Director	Award	1,369	—	—	28,379
2025-06-30	Reece Joseph E	Director	Award	2,209	—	—	65,755