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Arnon Rosenthal

Track

Insider profile

Currently holds positions in Alector Inc and Alector Inc

Performance

Overall performance
3.2
Performance over holding periods
3.2
30 days 90 days 120 days
Average return -6% 8.2% 15.1%
Success rate 47% 68% 82%
Transactions
14 0% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance

Positions

Position Company Period
Chief Executive Officer, Co-Founder, Director Alector Inc Dec. 11, 2019 -
President, Chief Executive Officer, Co-Founder, Director Alector Inc Jan. 1, 2013 -
President, Chief Executive Officer, Co-Founder, Director Alector Inc Jan. 1, 2013 - Dec. 11, 2019
Arnon Rosenthal's trades of Alector Inc's stock


Subscribe to get access to the transaction volume chart and in-chart transaction details
• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-06-03 2026-06-02
US Alector Inc (ALEC)
S Sale
76,584 +24.7%
84.45
US$104,454 		76,584 +24.7% 84.45 US$104,454
2026-06-01 2026-06-02
US Alector Inc (ALEC)
PrS Proposed sale
66,031
309.27
US$289,387 		66,031 309.27 US$289,387
2026-03-03 2026-03-02
US Alector Inc (ALEC)
S Sale
92,993 -5.4%
50.55
US$1,321,543 		92,993 -5.4% 50.55 US$1,321,543
2026-02-27 2026-03-02
US Alector Inc (ALEC)
PrS Proposed sale
67,571
2.43
US$164,198 		67,571 2.43 US$164,198
2025-12-03 2025-12-03
US Alector Inc (ALEC)
S Sale
104,347 -4.1%
1.12
US$116,827 		104,347 -4.1% 1.12 US$116,827
2025-12-01 2025-12-01
US Alector Inc (ALEC)
PrS Proposed sale
92,427
1.23
US$113,685 		92,427 1.23 US$113,685
2025-09-04 2025-09-02
US Alector Inc (ALEC)
S Sale
51,562 -2.1%
2.50
US$128,740 		51,562 -2.1% 2.50 US$128,740
2025-08-29 2025-09-02
US Alector Inc (ALEC)
PrS Proposed sale
50,242
2.35
US$118,069 		50,242 2.35 US$118,069
2025-06-04 2025-06-02
US Alector Inc (ALEC)
S Sale
52,087 -2.1%
1.34
US$69,713 		52,087 -2.1% 1.34 US$69,713
2025-05-30 2025-06-02
US Alector Inc (ALEC)
PrS Proposed sale
50,242
1.33
US$66,822 		50,242 1.33 US$66,822
2025-03-05 2025-03-03
US Alector Inc (ALEC)
S Sale
40,330 -1.6%
1.47
US$59,176 		40,330 -1.6% 1.47 US$59,176
2025-02-28 2025-03-03
US Alector Inc (ALEC)
PrS Proposed sale
50,242
1.64
US$82,397 		50,242 1.64 US$82,397
2024-12-03 2024-12-02
US Alector Inc (ALEC)
S Sale
52,172 -2.0%
2.52
US$131,442 		52,172 -2.0% 2.52 US$131,442
2024-11-29 2024-12-02
US Alector Inc (ALEC)
PrS Proposed sale
50,142
2.59
US$129,868 		50,142 2.59 US$129,868
2024-09-04 2024-09-03
US Alector Inc (ALEC)
S Sale
26,499 -1.3%
4.88
US$129,387 		26,499 -1.3% 4.88 US$129,387
2024-08-30 2024-09-03
US Alector Inc (ALEC)
PrS Proposed sale
24,359
5.28
US$128,616 		24,359 5.28 US$128,616
2024-06-04 2024-06-03
US Alector Inc (ALEC)
S Sale
25,135 -1.3%
4.80
US$120,618 		25,135 -1.3% 4.80 US$120,618
2024-05-31 2024-06-03
US Alector Inc (ALEC)
PrS Proposed sale
24,360
4.92
US$119,851 		24,360 4.92 US$119,851
2024-03-05 2024-03-04
US Alector Inc (ALEC)
S Sale
18,837 -0.9%
6.92
US$130,386 		18,837 -0.9% 6.92 US$130,386
2024-03-01 2024-03-04
US Alector Inc (ALEC)
PrS Proposed sale
17,520
7.41
US$129,823 		17,520 7.41 US$129,823
2023-12-06 2023-12-04
US Alector Inc (ALEC)
S Sale
23,831 -1.2%
5.56
US$132,500 		23,831 -1.2% 5.56 US$132,500
2023-12-01 2023-12-04
US Alector Inc (ALEC)
PrS Proposed sale
23,831
5.56
US$132,500 		23,831 5.56 US$132,500
2023-09-06 2023-09-05
US Alector Inc (ALEC)
S Sale
5,647 -0.3%
5.19
US$29,333 		5,647 -0.3% 5.19 US$29,333
2023-09-01 2023-09-05
US Alector Inc (ALEC)
PrS Proposed sale
5,233
5.57
US$29,148 		5,233 5.57 US$29,148
2023-06-05 2023-06-02
US Alector Inc (ALEC)
S Sale
5,255 -0.3%
6.90
US$36,279 		5,255 -0.3% 6.90 US$36,279
2023-06-01 2023-06-02
US Alector Inc (ALEC)
PrS Proposed sale
5,102
6.83
US$34,847 		5,102 6.83 US$34,847
2023-03-21 2023-03-17
US Alector Inc (ALEC)
S Sale
15,186 -0.9%
6.22
US$94,428 		15,186 -0.9% 6.22 US$94,428
2023-03-03 2023-03-02
US Alector Inc (ALEC)
S Sale
5,849 -0.4%
8.32
US$48,651 		5,849 -0.4% 8.32 US$48,651
2021-11-12 2021-11-11
US Alector Inc (ALEC)
PlS Planned sale
55,000 -2.7%
25.00
US$1,375,000 		55,000 -2.7% 25.00 US$1,375,000
2021-11-12 2021-11-10
US Alector Inc (ALEC)
PlS Planned sale
55,000 -2.6%
25.00
US$1,375,000 		55,000 -2.6% 25.00 US$1,375,000
2021-11-10 2021-11-09
US Alector Inc (ALEC)
PlS Planned sale
15,000 -2.2%
25.00
US$375,000 		15,000 -2.2% 25.00 US$375,000
2021-11-10 2021-11-09
US Alector Inc (ALEC)
PlS Planned sale
15,000 -2.2%
25.00
US$375,000 		15,000 -2.2% 25.00 US$375,000
2021-11-10 2021-11-09
US Alector Inc (ALEC)
PlS Planned sale
15,000 -2.2%
25.00
US$375,000 		15,000 -2.2% 25.00 US$375,000
2021-11-10 2021-11-09
US Alector Inc (ALEC)
PlS Planned sale
55,000 -2.6%
25.00
US$1,375,000 		55,000 -2.6% 25.00 US$1,375,000
2021-11-10 2021-11-08
US Alector Inc (ALEC)
PlS Planned sale
15,000 -2.2%
25.00
US$375,000 		15,000 -2.2% 25.00 US$375,000
2021-11-10 2021-11-08
US Alector Inc (ALEC)
PlS Planned sale
15,000 -2.2%
25.00
US$375,000 		15,000 -2.2% 25.00 US$375,000
2021-11-10 2021-11-08
US Alector Inc (ALEC)
PlS Planned sale
15,000 -2.2%
25.00
US$375,000 		15,000 -2.2% 25.00 US$375,000
2021-11-10 2021-11-08
US Alector Inc (ALEC)
PlS Planned sale
55,000 -2.5%
25.00
US$1,375,000 		55,000 -2.5% 25.00 US$1,375,000
2021-11-08 2021-11-05
US Alector Inc (ALEC)
PlS Planned sale
15,000 -2.2%
25.00
US$375,000 		15,000 -2.2% 25.00 US$375,000
2021-11-08 2021-11-05
US Alector Inc (ALEC)
PlS Planned sale
15,000 -2.2%
25.00
US$375,000 		15,000 -2.2% 25.00 US$375,000
2021-11-08 2021-11-05
US Alector Inc (ALEC)
PlS Planned sale
15,000 -2.2%
25.00
US$375,000 		15,000 -2.2% 25.00 US$375,000
2021-11-08 2021-11-05
US Alector Inc (ALEC)
PlS Planned sale
55,000 -2.4%
25.00
US$1,375,000 		55,000 -2.4% 25.00 US$1,375,000
2021-11-08 2021-11-04
US Alector Inc (ALEC)
PlS Planned sale
15,000 -2.1%
25.00
US$375,000 		15,000 -2.1% 25.00 US$375,000
2021-11-08 2021-11-04
US Alector Inc (ALEC)
PlS Planned sale
15,000 -2.1%
25.00
US$375,000 		15,000 -2.1% 25.00 US$375,000
2021-11-08 2021-11-04
US Alector Inc (ALEC)
PlS Planned sale
15,000 -2.1%
25.00
US$375,000 		15,000 -2.1% 25.00 US$375,000