United States Healthcare Equipment & Supplies

SeaStar Medical Holding Corp (ICU)

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SeaStar Medical Holding Corp experienced multiple purchase activities by insiders throughout 2025. The most recent transactions occurred on December 19, 2025, when Jennifer A. Baird acquired shares. These consistent buying patterns reflect internal confidence, with the latest recorded activity dating back over three months from the current period.
Ticker: ICU Exchange: NAS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for SeaStar Medical Holding Corp. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
1.4
Messinger Michael Chief Financial Officer Officer
Transaction date
Purchase
Price
17.25
Quantity 6,901 +8.2%
Value US$4,692,414
1.8
Baird Jennifer A Non-Executive Director
Transaction date
Purchase
Price
77.01
Quantity 58,995 -15.2%
Value US$1,452,432
1.4
Messinger Michael Chief Financial Officer Officer
Transaction date
Purchase
Price
150.92
Quantity 6,896 +35.8%
Value US$2,529,302
2.9
Van Heel Kenneth Non-Executive Director
Transaction date
Purchase
Price
0.86
Quantity 10,000 +25.4%
Value US$8,565
2.9
Van Heel Kenneth Non-Executive Director
Transaction date
Purchase
Price
0.89
Quantity 25,000 +173.6%
Value US$22,248
2.0
Chung Kevin Chief Medical Officer Officer
Transaction date
Purchase
Price
0.80
Quantity 10,000 +20.8%
Value US$8,000
1.8
Baird Jennifer A Non-Executive Director
Transaction date
Purchase
Price
0.42
Quantity 10,000 +55.6%
Value US$4,174
3.0
Neuman John Non-Executive Director
Transaction date
Purchase
Price
0.36
Quantity 40,000 +100.0%
Value US$14,396
1.8
Baird Jennifer A Non-Executive Director
Transaction date
Purchase
Price
1.28
Quantity 10,000 +inf%
Value US$12,815
2.0
Chung Kevin Chief Medical Officer Officer
Transaction date
Purchase
Price
1.25
Quantity 4,500 +32.9%
Value US$5,625
3.0
Neuman John Non-Executive Director
Transaction date
Purchase
Price
2.04
Quantity 10,000 +33.3%
Value US$20,405
2.0
Chung Kevin Chief Medical Officer Officer
Transaction date
Purchase
Price
1.99
Quantity 4,250 +45.0%
Value US$8,458
2.0
Chung Kevin Chief Medical Officer Officer
Transaction date
Purchase
Price
4.26
Quantity 1,000 +11.9%
Value US$4,258
3.0
Neuman John Non-Executive Director
Transaction date
Purchase
Price
5.24
Quantity 10,000 +50.0%
Value US$52,396
3.0
Neuman John Non-Executive Director
Transaction date
Purchase
Price
4.35
Quantity 10,000 +100.0%
Value US$43,521
3.0
Neuman John Non-Executive Director
Transaction date
Purchase
Price
3.69
Quantity 10,000 +inf%
Value US$36,905
2.9
Van Heel Kenneth Non-Executive Director
Transaction date
Purchase
Price
0.40
Quantity 100,000 +609.8%
Value US$40,000
2.0
Chung Kevin Chief Medical Officer Officer
Transaction date
Purchase
Price
0.48
Quantity 1,150 +1.7%
Value US$546
2.0
Chung Kevin Chief Medical Officer Officer
Transaction date
Purchase
Price
0.48
Quantity 2,300 +3.6%
Value US$1,092
2.0
Chung Kevin Chief Medical Officer Officer
Transaction date
Purchase
Price
0.48
Quantity 4,000 +6.6%
Value US$1,920
2.0
Chung Kevin Chief Medical Officer Officer
Transaction date
Purchase
Price
0.47
Quantity 5,093 +9.2%
Value US$2,394
0.8
Russell Richard D. Non-Executive Director
Transaction date
Purchase
Price
0.50
Quantity 20,000 +250.7%
Value US$10,000
2.0
Chung Kevin Chief Medical Officer Officer
Transaction date
Purchase
Price
0.70
Quantity 7,500 +15.6%
Value US$5,248
2.0
Chung Kevin Chief Medical Officer Officer
Transaction date
Purchase
Price
1.85
Quantity 3,760 +inf%
Value US$6,956
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-08-19 2026-08-18 B Purchase
1.4
Messinger Michael

Chief Financial Officer

Officer
6,901 +8.2%
17.25
US$4,692,414 		6,901 +8.2% 17.25 US$4,692,414
2025-12-22 2025-12-19 B Purchase
1.8
Baird Jennifer A
Non-Executive Director
58,995 -15.2%
77.01
US$1,452,432 		58,995 -15.2% 77.01 US$1,452,432
2025-12-11 2025-12-09 B Purchase
1.4
Messinger Michael

Chief Financial Officer

Officer
6,896 +35.8%
150.92
US$2,529,302 		6,896 +35.8% 150.92 US$2,529,302
2025-08-28 2025-08-27 B Purchase
2.9
Van Heel Kenneth
Non-Executive Director
10,000 +25.4%
0.86
US$8,565 		10,000 +25.4% 0.86 US$8,565
2025-08-28 2025-08-26 B Purchase
2.9
Van Heel Kenneth
Non-Executive Director
25,000 +173.6%
0.89
US$22,248 		25,000 +173.6% 0.89 US$22,248
2025-08-25 2025-08-22 B Purchase
2.0
Chung Kevin

Chief Medical Officer

Officer
10,000 +20.8%
0.80
US$8,000 		10,000 +20.8% 0.80 US$8,000
2025-07-02 2025-06-30 B Purchase
1.8
Baird Jennifer A
Non-Executive Director
10,000 +55.6%
0.42
US$4,174 		10,000 +55.6% 0.42 US$4,174
2025-06-27 2025-06-24 B Purchase
3.0
Neuman John
Non-Executive Director
40,000 +100.0%
0.36
US$14,396 		40,000 +100.0% 0.36 US$14,396
2025-05-22 2025-05-20 B Purchase
1.8
Baird Jennifer A
Non-Executive Director
10,000 +inf%
1.28
US$12,815 		10,000 +inf% 1.28 US$12,815
2025-05-20 2025-05-20 B Purchase
2.0
Chung Kevin

Chief Medical Officer

Officer
4,500 +32.9%
1.25
US$5,625 		4,500 +32.9% 1.25 US$5,625
2025-02-27 2024-12-11 B Purchase
3.0
Neuman John
Non-Executive Director
10,000 +33.3%
2.04
US$20,405 		10,000 +33.3% 2.04 US$20,405
2024-11-19 2024-11-18 B Purchase
2.0
Chung Kevin

Chief Medical Officer

Officer
4,250 +45.0%
1.99
US$8,458 		4,250 +45.0% 1.99 US$8,458
2024-10-01 2024-09-30 B Purchase
2.0
Chung Kevin

Chief Medical Officer

Officer
1,000 +11.9%
4.26
US$4,258 		1,000 +11.9% 4.26 US$4,258
2025-02-27 2024-08-15 B Purchase
3.0
Neuman John
Non-Executive Director
10,000 +50.0%
5.24
US$52,396 		10,000 +50.0% 5.24 US$52,396
2025-02-27 2024-06-17 B Purchase
3.0
Neuman John
Non-Executive Director
10,000 +100.0%
4.35
US$43,521 		10,000 +100.0% 4.35 US$43,521
2025-02-27 2024-06-14 B Purchase
3.0
Neuman John
Non-Executive Director
10,000 +inf%
3.69
US$36,905 		10,000 +inf% 3.69 US$36,905
2023-11-27 2023-11-22 B Purchase
2.9
Van Heel Kenneth
Non-Executive Director
100,000 +609.8%
0.40
US$40,000 		100,000 +609.8% 0.40 US$40,000
2023-06-01 2023-05-30 B Purchase
2.0
Chung Kevin

Chief Medical Officer

Officer
1,150 +1.7%
0.48
US$546 		1,150 +1.7% 0.48 US$546
2023-06-01 2023-05-30 B Purchase
2.0
Chung Kevin

Chief Medical Officer

Officer
2,300 +3.6%
0.48
US$1,092 		2,300 +3.6% 0.48 US$1,092
2023-06-01 2023-05-30 B Purchase
2.0
Chung Kevin

Chief Medical Officer

Officer
4,000 +6.6%
0.48
US$1,920 		4,000 +6.6% 0.48 US$1,920
2023-06-01 2023-05-30 B Purchase
2.0
Chung Kevin

Chief Medical Officer

Officer
5,093 +9.2%
0.47
US$2,394 		5,093 +9.2% 0.47 US$2,394
2023-05-30 2023-05-25 B Purchase
0.8
Russell Richard D.
Non-Executive Director
20,000 +250.7%
0.50
US$10,000 		20,000 +250.7% 0.50 US$10,000
2023-05-22 2023-05-18 B Purchase
2.0
Chung Kevin

Chief Medical Officer

Officer
7,500 +15.6%
0.70
US$5,248 		7,500 +15.6% 0.70 US$5,248
2022-11-01 2022-10-28 B Purchase
Union Carbide Employees' Pension Plan Trust
Large shareholder
200,000
0.00
US$0 		200,000 0.00 US$0
2022-11-01 2022-10-28 B Purchase
Dow Employees' Pension Plan Trust
Large shareholder
300,000
0.00
US$0 		300,000 0.00 US$0
2023-04-07 2022-04-05 B Purchase
2.0
Chung Kevin

Chief Medical Officer

Officer
3,760 +inf%
1.85
US$6,956 		3,760 +inf% 1.85 US$6,956
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