United States Healthcare Equipment & Supplies

MaxCyte Inc (MXCT)

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Recent insider trading at MaxCyte Inc. shows a net sell-off over the last 90 days, with one transaction totaling $8,265.73. However, looking at a broader timeframe, several executives and insiders made significant buy transactions in August 2025, totaling over $470,000. This contrasts with earlier planned and proposed sales.
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Ticker: MXCT Exchange: LSE
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Swirsky Douglas J
CHIEF FINANCIAL OFFICER
1 sale — total 8,266 USD
Sale 17 Mar 2026
Value US$2,456,410.21 | Price 219.79 | Shares 88,498
Buy 13 Aug 2025
Value US$3,938,553.41 | Price 277.52 | Shares 33,595
Buy 13 Aug 2025
Value US$64,500.00 | Price 1.29 | Shares 50,000
Buy 13 Aug 2025
Value US$102,915.00 | Price 1.37 | Shares 75,000
Buy 13 Aug 2025
Value US$64,500.00 | Price 1.29 | Shares 50,000
Buy 13 Aug 2025
Value US$137,220.00 | Price 1.37 | Shares 100,000
Planned sale 25 Jun 2025
Value US$22,377.64 | Price 2.09 | Shares 10,684
Proposed sale 25 Jun 2025
Value US$22,378.00 | Price 2.09 | Shares 10,684
Sale 18 Mar 2025
Value US$1,122.29 | Price 3.18 | Shares 353
Sale 18 Mar 2025
Value US$3,850.13 | Price 3.18 | Shares 1,211
Sale 18 Mar 2025
Value US$22,061.16 | Price 3.18 | Shares 6,939
Planned sale 27 Jan 2025
Value US$13,935.00 | Price 4.65 | Shares 3,000
Sale 13 Jan 2025
Value US$20,271.62 | Price 4.54 | Shares 4,466
Sale 26 Dec 2024
Value US$12,019.50 | Price 4.01 | Shares 3,000
Planned sale 26 Dec 2024
Value US$12,021.00 | Price 4.01 | Shares 3,000
Proposed sale 26 Dec 2024
Value US$49,320.00 | Price 4.11 | Shares 12,000
Planned sale 9 Dec 2024
Value US$9,458.54 | Price 3.79 | Shares 2,495
Planned sale 6 Dec 2024
Value US$1,869.00 | Price 3.70 | Shares 505
Sale 1 Nov 2024
Value US$177,198.02 | Price 3.72 | Shares 47,689
Planned sale 1 Nov 2024
Value US$177,403.08 | Price 3.72 | Shares 47,689
Sale 28 Oct 2024
Value US$11,166.90 | Price 3.72 | Shares 3,000
Planned sale 28 Oct 2024
Value US$11,166.00 | Price 3.72 | Shares 3,000
Sale 2 Oct 2024
Value US$80,228.95 | Price 3.71 | Shares 21,607
Planned sale 2 Oct 2024
Value US$80,161.97 | Price 3.71 | Shares 21,607
Sale 1 Oct 2024
Value US$98,548.23 | Price 3.78 | Shares 26,082
Planned sale 1 Oct 2024
Value US$98,589.96 | Price 3.78 | Shares 26,082
Sale 26 Sep 2024
Value US$11,459.70 | Price 3.82 | Shares 3,000
Planned sale 26 Sep 2024
Value US$11,460.00 | Price 3.82 | Shares 3,000
Proposed sale 26 Sep 2024
Value US$34,290.00 | Price 3.81 | Shares 9,000
Sale 4 Sep 2024
Value US$118,133.32 | Price 3.97 | Shares 29,767
Planned sale 4 Sep 2024
Value US$118,174.99 | Price 3.97 | Shares 29,767
Sale 3 Sep 2024
Value US$73,440.77 | Price 4.10 | Shares 17,922
Planned sale 3 Sep 2024
Value US$73,480.20 | Price 4.10 | Shares 17,922
Proposed sale 3 Sep 2024
Value US$618,049.00 | Price 4.32 | Shares 143,067
Sale 26 Aug 2024
Value US$12,841.20 | Price 4.28 | Shares 3,000
Planned sale 26 Aug 2024
Value US$12,840.00 | Price 4.28 | Shares 3,000
Planned sale 2 Aug 2024
Value US$77,874.38 | Price 4.36 | Shares 17,857
Planned sale 1 Aug 2024
Value US$70,261.04 | Price 4.54 | Shares 15,476
Sale 26 Jul 2024
Value US$14,239.20 | Price 4.75 | Shares 3,000
Planned sale 26 Jul 2024
Value US$14,238.00 | Price 4.75 | Shares 3,000
Planned sale 9 Jul 2024
Value US$54,584.05 | Price 4.03 | Shares 13,531
Planned sale 8 Jul 2024
Value US$79,782.26 | Price 4.03 | Shares 19,802
Sale 27 Jun 2024
Value US$39,898.00 | Price 3.99 | Shares 10,000
Planned sale 27 Jun 2024
Value US$39,900.00 | Price 3.99 | Shares 10,000
Proposed sale 27 Jun 2024
Value US$63,680.00 | Price 3.98 | Shares 16,000
Planned sale 20 Jun 2024
Value US$136,465.30 | Price 4.09 | Shares 33,333
Proposed sale 20 Jun 2024
Value US$587,994.00 | Price 4.41 | Shares 133,332
Buy 10 Jun 2024
Value US$345,248.19 | Price 4.90 | Shares 70,443
Buy 10 Jun 2024
Value US$345,241.14 | Price 4.90 | Shares 70,443
Buy 7 Jun 2024
Value US$143,824.36 | Price 4.87 | Shares 29,557
Buy 7 Jun 2024
Value US$143,824.36 | Price 4.87 | Shares 29,557
Sale 26 Mar 2024
Value US$22,026.00 | Price 4.41 | Shares 5,000
Planned sale 26 Mar 2024
Value US$22,025.00 | Price 4.41 | Shares 5,000
Sale 26 Feb 2024
Value US$23,002.50 | Price 4.60 | Shares 5,000
Planned sale 26 Feb 2024
Value US$23,005.00 | Price 4.60 | Shares 5,000
Proposed sale 26 Feb 2024
Value US$45,900.00 | Price 4.59 | Shares 10,000
Sale 26 Jan 2024
Value US$25,582.50 | Price 5.12 | Shares 5,000
Planned sale 26 Jan 2024
Value US$25,585.00 | Price 5.12 | Shares 5,000
Sale 26 Dec 2023
Value US$22,663.00 | Price 4.53 | Shares 5,000
Planned sale 26 Dec 2023
Value US$22,650.00 | Price 4.53 | Shares 5,000
Sale 5 Dec 2023
Value US$514,483.08 | Price 5.17 | Shares 99,442
Planned sale 5 Dec 2023
Value US$514,115.14 | Price 5.17 | Shares 99,442
Sale 4 Dec 2023
Value US$125,177.54 | Price 5.01 | Shares 25,008
Planned sale 4 Dec 2023
Value US$125,290.08 | Price 5.01 | Shares 25,008
Sale 1 Dec 2023
Value US$101,000.00 | Price 5.00 | Shares 20,200
Planned sale 1 Dec 2023
Value US$101,000.00 | Price 5.00 | Shares 20,200
Sale 29 Nov 2023
Value US$26,763.38 | Price 5.00 | Shares 5,350
Planned sale 29 Nov 2023
Value US$26,750.00 | Price 5.00 | Shares 5,350
Proposed sale 29 Nov 2023
Value US$702,000.00 | Price 4.68 | Shares 150,000
Sale 27 Nov 2023
Value US$22,959.00 | Price 4.59 | Shares 5,000
Planned sale 27 Nov 2023
Value US$22,950.00 | Price 4.59 | Shares 5,000
Planned sale 14 Nov 2023
Value US$37,100.00 | Price 3.71 | Shares 10,000
Proposed sale 14 Nov 2023
Value US$74,200.00 | Price 3.71 | Shares 20,000
Sale 30 Aug 2023
Value US$10,523.06 | Price 3.70 | Shares 2,841
Planned sale 30 Aug 2023
Value US$10,511.70 | Price 3.70 | Shares 2,841
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-03-19 2026-03-17 S Sale
1.2
Swirsky Douglas J

CHIEF FINANCIAL OFFICER

Officer
88,498 -4.8%
219.79
US$2,456,410 		88,498 -4.8% 219.79 US$2,456,410
2025-08-13 2025-08-13 B Purchase
3.4
DOUGLAS RICHARD
Non-Executive Director
33,595 -48.5%
277.52
US$3,938,553 		33,595 -48.5% 277.52 US$3,938,553
2025-08-13 2025-08-13 B Purchase
Brooke William W
Non-Executive Director
97,913 +24.6%
19.82
US$2,542,598 		97,913 +24.6% 19.82 US$2,542,598
2025-08-13 2025-08-13 B Purchase
Masoud Maher

President and CEO

Executive Director
75,000 +75.0%
1.37
US$102,915 		75,000 +75.0% 1.37 US$102,915
2025-08-13 2025-08-13 B Purchase
1.2
Swirsky Douglas J

CHIEF FINANCIAL OFFICER

Officer
50,000 +44.7%
1.29
US$64,500 		50,000 +44.7% 1.29 US$64,500
2025-08-13 2025-08-13 B Purchase
Erck Stanley C
Non-Executive Director
100,000 +33.5%
1.37
US$137,220 		100,000 +33.5% 1.37 US$137,220
2025-08-27 2025-06-25 PlS Planned sale
1.2
Hemrajani Rekha
Non-Executive Director
10,684 -21.1%
2.09
US$22,378 		10,684 -21.1% 2.09 US$22,378
2025-06-25 2025-06-25 PrS Proposed sale
1.2
Hemrajani Rekha

Director

Non-Executive Director
10,684
2.09
US$22,378 		10,684 2.09 US$22,378
2025-03-20 2025-03-18 S Sale
Sandoval David I.

GENERAL COUNSEL

Officer
353 -0.5%
3.18
US$1,122 		353 -0.5% 3.18 US$1,122
2025-03-20 2025-03-18 S Sale
Soleymannezhad Ali

Chief Commercial Officer

Officer
1,211 -2.0%
3.18
US$3,850 		1,211 -2.0% 3.18 US$3,850
2025-03-20 2025-03-18 S Sale
1.2
Swirsky Douglas J

CHIEF FINANCIAL OFFICER

Officer
6,939 -5.8%
3.18
US$22,061 		6,939 -5.8% 3.18 US$22,061
2025-01-29 2025-01-27 PlS Planned sale
Johnston John Joseph
Non-Executive Director
3,000 -2.1%
4.65
US$13,935 		3,000 -2.1% 4.65 US$13,935
2025-01-14 2025-01-13 S Sale
Sandoval David I.

GENERAL COUNSEL

Officer
4,466 -9.7%
4.54
US$20,272 		4,466 -9.7% 4.54 US$20,272
2024-12-31 2024-12-26 S Sale John Johnston

Non-Executive Director

Executive Director
3,000
4.01
US$12,020 		3,000 4.01 US$12,020
2024-12-30 2024-12-26 PlS Planned sale
Johnston John Joseph
Non-Executive Director
3,000 -2.1%
4.01
US$12,021 		3,000 -2.1% 4.01 US$12,021
2024-12-26 2024-12-26 PrS Proposed sale
Johnston John Joseph

Affiliate
12,000
4.11
US$49,320 		12,000 4.11 US$49,320
2024-12-10 2024-12-09 PlS Planned sale
Johnston John Joseph
Non-Executive Director
2,495 -1.7%
3.79
US$9,459 		2,495 -1.7% 3.79 US$9,459
2024-12-10 2024-12-06 PlS Planned sale
Johnston John Joseph
Non-Executive Director
505 -0.4%
3.70
US$1,869 		505 -0.4% 3.70 US$1,869
2024-11-06 2024-11-01 S Sale
Stanley Erck

Non-Executive Director

Executive Director
47,689
3.72
US$177,198 		47,689 3.72 US$177,198
2024-11-05 2024-11-01 PlS Planned sale
Erck Stanley C
Non-Executive Director
47,689 -15.1%
3.72
US$177,403 		47,689 -15.1% 3.72 US$177,403
2024-10-31 2024-10-28 S Sale John Johnston

Non-Executive Director

Executive Director
3,000
3.72
US$11,167 		3,000 3.72 US$11,167
2024-10-30 2024-10-28 PlS Planned sale
Johnston John Joseph
Non-Executive Director
3,000 -2.1%
3.72
US$11,166 		3,000 -2.1% 3.72 US$11,166
2024-10-03 2024-10-02 S Sale
Stanley Erck

Non-Executive Director

Executive Director
21,607
3.71
US$80,229 		21,607 3.71 US$80,229
2024-10-02 2024-10-02 PlS Planned sale
Erck Stanley C
Non-Executive Director
21,607 -7.4%
3.71
US$80,162 		21,607 -7.4% 3.71 US$80,162
2024-10-03 2024-10-01 S Sale
Stanley Erck

Non-Executive Director

Executive Director
26,082
3.78
US$98,548 		26,082 3.78 US$98,548
2024-10-02 2024-10-01 PlS Planned sale
Erck Stanley C
Non-Executive Director
26,082 -8.8%
3.78
US$98,590 		26,082 -8.8% 3.78 US$98,590
2024-10-01 2024-09-26 S Sale John Johnston

Non-Executive Director

Executive Director
3,000
3.82
US$11,460 		3,000 3.82 US$11,460
2024-09-30 2024-09-26 PlS Planned sale
Johnston John Joseph
Non-Executive Director
3,000 -2.1%
3.82
US$11,460 		3,000 -2.1% 3.82 US$11,460
2024-09-26 2024-09-26 PrS Proposed sale
Johnston John Joseph

Affiliate
9,000
3.81
US$34,290 		9,000 3.81 US$34,290
2024-09-06 2024-09-04 S Sale
Stanley Erck

Non-Executive Director

Executive Director
29,767
3.97
US$118,133 		29,767 3.97 US$118,133
2024-09-05 2024-09-04 PlS Planned sale
Erck Stanley C
Non-Executive Director
29,767 -10.0%
3.97
US$118,175 		29,767 -10.0% 3.97 US$118,175
2024-09-06 2024-09-03 S Sale
Stanley Erck

Non-Executive Director

Executive Director
17,922
4.10
US$73,441 		17,922 4.10 US$73,441
2024-09-05 2024-09-03 PlS Planned sale
Erck Stanley C
Non-Executive Director
17,922 -6.2%
4.10
US$73,480 		17,922 -6.2% 4.10 US$73,480
2024-09-03 2024-09-03 PrS Proposed sale
Erck Stanley C

Officer

Officer
143,067
4.32
US$618,049 		143,067 4.32 US$618,049
2024-08-29 2024-08-26 S Sale John Johnston

Non-Executive Director

Executive Director
3,000
4.28
US$12,841 		3,000 4.28 US$12,841
2024-08-28 2024-08-26 PlS Planned sale
Johnston John Joseph
Non-Executive Director
3,000 -2.1%
4.28
US$12,840 		3,000 -2.1% 4.28 US$12,840
2024-08-05 2024-08-02 PlS Planned sale
Ross Thomas M.

EVP, GLOBAL SALES

Officer
17,857 -41.7%
4.36
US$77,874 		17,857 -41.7% 4.36 US$77,874
2024-08-05 2024-08-01 PlS Planned sale
Ross Thomas M.

EVP, GLOBAL SALES

Officer
15,476 -38.2%
4.54
US$70,261 		15,476 -38.2% 4.54 US$70,261
2024-07-31 2024-07-26 S Sale John Johnston

Non-Executive Director

Executive Director
3,000
4.75
US$14,239 		3,000 4.75 US$14,239
2024-07-30 2024-07-26 PlS Planned sale
Johnston John Joseph
Non-Executive Director
3,000 -2.1%
4.75
US$14,238 		3,000 -2.1% 4.75 US$14,238
2024-07-10 2024-07-09 PlS Planned sale
Ross Thomas M.

EVP, GLOBAL SALES

Officer
13,531 -35.1%
4.03
US$54,584 		13,531 -35.1% 4.03 US$54,584
2024-07-10 2024-07-08 PlS Planned sale
Ross Thomas M.

EVP, GLOBAL SALES

Officer
19,802 -44.2%
4.03
US$79,782 		19,802 -44.2% 4.03 US$79,782
2024-07-02 2024-06-27 S Sale John Johnston

Non-Executive Director

Executive Director
10,000
3.99
US$39,898 		10,000 3.99 US$39,898
2024-07-01 2024-06-27 PlS Planned sale
Johnston John Joseph
Non-Executive Director
10,000 -6.6%
3.99
US$39,900 		10,000 -6.6% 3.99 US$39,900
2024-06-27 2024-06-27 PrS Proposed sale
Johnston John Joseph

Affiliate
16,000
3.98
US$63,680 		16,000 3.98 US$63,680
2024-06-24 2024-06-20 PlS Planned sale
Ross Thomas M.

EVP, GLOBAL SALES

Officer
33,333 -57.1%
4.09
US$136,465 		33,333 -57.1% 4.09 US$136,465
2024-06-20 2024-06-20 PrS Proposed sale
Ross Thomas M.

Officer

Officer
133,332
4.41
US$587,994 		133,332 4.41 US$587,994
2024-06-11 2024-06-10 B Purchase
Maher Masoud

President, CEO and Director

Executive Director
70,443
4.90
US$345,248 		70,443 4.90 US$345,248
2024-06-10 2024-06-10 B Purchase
Masoud Maher

President and CEO

Executive Director
70,443 +238.3%
4.90
US$345,241 		70,443 +238.3% 4.90 US$345,241
2024-06-11 2024-06-07 B Purchase
Maher Masoud

President, CEO and Director

Executive Director
29,557
4.87
US$143,824 		29,557 4.87 US$143,824
2024-06-10 2024-06-07 B Purchase
Masoud Maher

President and CEO

Executive Director
29,557 +inf%
4.87
US$143,824 		29,557 +inf% 4.87 US$143,824
2024-04-02 2024-03-26 S Sale John Johnston

Non-Executive Director

Executive Director
5,000
4.41
US$22,026 		5,000 4.41 US$22,026
2024-03-28 2024-03-26 PlS Planned sale
Johnston John Joseph
Non-Executive Director
5,000 -4.0%
4.41
US$22,025 		5,000 -4.0% 4.41 US$22,025
2024-02-29 2024-02-26 S Sale John Johnston

Non-Executive Director

Executive Director
5,000
4.60
US$23,002 		5,000 4.60 US$23,002
2024-02-28 2024-02-26 PlS Planned sale
Johnston John Joseph
Non-Executive Director
5,000 -4.0%
4.60
US$23,005 		5,000 -4.0% 4.60 US$23,005
2024-02-26 2024-02-26 PrS Proposed sale
Johnston John Joseph

Affiliate
10,000
4.59
US$45,900 		10,000 4.59 US$45,900
2024-01-31 2024-01-26 S Sale John Johnston

Non-Executive Director

Executive Director
5,000
5.12
US$25,582 		5,000 5.12 US$25,582
2024-01-30 2024-01-26 PlS Planned sale
Johnston John Joseph
Non-Executive Director
5,000 -4.0%
5.12
US$25,585 		5,000 -4.0% 5.12 US$25,585
2023-12-29 2023-12-26 S Sale John Johnston

Non-Executive Director

Executive Director
5,000
4.53
US$22,663 		5,000 4.53 US$22,663
2023-12-28 2023-12-26 PlS Planned sale
Johnston John Joseph
Non-Executive Director
5,000 -4.0%
4.53
US$22,650 		5,000 -4.0% 4.53 US$22,650
2023-12-07 2023-12-05 S Sale
Doug Doerfler

Chief Executive Officer

Officer
99,442
5.17
US$514,483 		99,442 5.17 US$514,483
2023-12-06 2023-12-05 PlS Planned sale
Doerfler Douglas

President and CEO

Executive Director
99,442 -23.0%
5.17
US$514,115 		99,442 -23.0% 5.17 US$514,115
2023-12-07 2023-12-04 S Sale
Doug Doerfler

Chief Executive Officer

Officer
25,008
5.01
US$125,178 		25,008 5.01 US$125,178
2023-12-06 2023-12-04 PlS Planned sale
Doerfler Douglas

President and CEO

Executive Director
25,008 -7.0%
5.01
US$125,290 		25,008 -7.0% 5.01 US$125,290
2023-12-04 2023-12-01 S Sale
Doug Doerfler

Chief Executive Officer

Officer
20,200
5.00
US$101,000 		20,200 5.00 US$101,000
2023-12-01 2023-12-01 PlS Planned sale
Doerfler Douglas

President and CEO

Executive Director
20,200 -5.7%
5.00
US$101,000 		20,200 -5.7% 5.00 US$101,000
2023-12-04 2023-11-29 S Sale
Doug Doerfler

Chief Executive Officer

Officer
5,350
5.00
US$26,763 		5,350 5.00 US$26,763
2023-12-01 2023-11-29 PlS Planned sale
Doerfler Douglas

President and CEO

Executive Director
5,350 -1.6%
5.00
US$26,750 		5,350 -1.6% 5.00 US$26,750
2023-11-29 2023-11-29 PrS Proposed sale
Doerfler Douglas

Officer

Officer
150,000
4.68
US$702,000 		150,000 4.68 US$702,000
2023-11-30 2023-11-27 S Sale John Johnston

Non-Executive Director

Executive Director
5,000
4.59
US$22,959 		5,000 4.59 US$22,959
2023-11-29 2023-11-27 PlS Planned sale
Johnston John Joseph
Non-Executive Director
5,000 -4.0%
4.59
US$22,950 		5,000 -4.0% 4.59 US$22,950
2023-11-16 2023-11-14 PlS Planned sale
Johnston John Joseph
Non-Executive Director
10,000 -7.7%
3.71
US$37,100 		10,000 -7.7% 3.71 US$37,100
2023-11-14 2023-11-14 PrS Proposed sale
Johnston John Joseph

Affiliate
20,000
3.71
US$74,200 		20,000 3.71 US$74,200
2023-09-01 2023-08-30 S Sale John Johnston

Non-Executive Director

Executive Director
2,841
3.70
US$10,523 		2,841 3.70 US$10,523
2023-08-30 2023-08-30 PlS Planned sale
Johnston John Joseph
Non-Executive Director
2,841 -2.3%
3.70
US$10,512 		2,841 -2.3% 3.70 US$10,512
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