Arnon Rosenthal

Track

Insider profile

Currently holds positions in Alector Inc and Alector Inc

Performance

Overall performance
3.1
Performance over holding periods
3.1
30 days 90 days 120 days
Average return -5% 8.2% 15.1%
Success rate 42% 68% 82%
Transactions
15 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


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
US Alector Inc (ALEC)
Transaction date
Sale
Price
494.80
Quantity 45,692 +3.5%
Value US$2,300,856
US Alector Inc (ALEC)
Transaction date
Proposed sale
Price
182.53
Quantity 12,936
Value US$2,946,895
US Alector Inc (ALEC)
Transaction date
Sale
Price
84.45
Quantity 76,584 +24.7%
Value US$104,454
US Alector Inc (ALEC)
Transaction date
Proposed sale
Price
2.07
Quantity 67,572
Value US$139,874
US Alector Inc (ALEC)
Transaction date
Sale
Price
2.12
Quantity 81,864 -3.4%
Value US$173,822
US Alector Inc (ALEC)
Transaction date
Proposed sale
Price
2.43
Quantity 67,571
Value US$164,198
US Alector Inc (ALEC)
Transaction date
Sale
Price
1.12
Quantity 104,347 -4.1%
Value US$116,827
US Alector Inc (ALEC)
Transaction date
Proposed sale
Price
1.23
Quantity 92,427
Value US$113,685
US Alector Inc (ALEC)
Transaction date
Sale
Price
2.50
Quantity 51,562 -2.1%
Value US$128,740
US Alector Inc (ALEC)
Transaction date
Proposed sale
Price
2.35
Quantity 50,242
Value US$118,069
US Alector Inc (ALEC)
Transaction date
Sale
Price
1.34
Quantity 52,087 -2.1%
Value US$69,713
US Alector Inc (ALEC)
Transaction date
Proposed sale
Price
1.33
Quantity 50,242
Value US$66,822
US Alector Inc (ALEC)
Transaction date
Sale
Price
1.47
Quantity 40,330 -1.6%
Value US$59,176
US Alector Inc (ALEC)
Transaction date
Proposed sale
Price
1.64
Quantity 50,242
Value US$82,397
US Alector Inc (ALEC)
Transaction date
Sale
Price
2.52
Quantity 52,172 -2.0%
Value US$131,442
US Alector Inc (ALEC)
Transaction date
Proposed sale
Price
2.59
Quantity 50,142
Value US$129,868
US Alector Inc (ALEC)
Transaction date
Sale
Price
4.88
Quantity 26,499 -1.3%
Value US$129,387
US Alector Inc (ALEC)
Transaction date
Proposed sale
Price
5.28
Quantity 24,359
Value US$128,616
US Alector Inc (ALEC)
Transaction date
Sale
Price
4.80
Quantity 25,135 -1.3%
Value US$120,618
US Alector Inc (ALEC)
Transaction date
Proposed sale
Price
4.92
Quantity 24,360
Value US$119,851
US Alector Inc (ALEC)
Transaction date
Sale
Price
6.92
Quantity 18,837 -0.9%
Value US$130,386
US Alector Inc (ALEC)
Transaction date
Proposed sale
Price
7.41
Quantity 17,520
Value US$129,823
US Alector Inc (ALEC)
Transaction date
Sale
Price
5.56
Quantity 23,831 -1.2%
Value US$132,500
US Alector Inc (ALEC)
Transaction date
Proposed sale
Price
5.56
Quantity 23,831
Value US$132,500
US Alector Inc (ALEC)
Transaction date
Sale
Price
5.19
Quantity 5,647 -0.3%
Value US$29,333
US Alector Inc (ALEC)
Transaction date
Proposed sale
Price
5.57
Quantity 5,233
Value US$29,148
US Alector Inc (ALEC)
Transaction date
Sale
Price
6.90
Quantity 5,255 -0.3%
Value US$36,279
US Alector Inc (ALEC)
Transaction date
Proposed sale
Price
6.83
Quantity 5,102
Value US$34,847
US Alector Inc (ALEC)
Transaction date
Sale
Price
6.22
Quantity 15,186 -0.9%
Value US$94,428
US Alector Inc (ALEC)
Transaction date
Sale
Price
8.32
Quantity 5,849 -0.4%
Value US$48,651
US Alector Inc (ALEC)
Transaction date
Planned sale
Price
25.00
Quantity 55,000 -2.7%
Value US$1,375,000
US Alector Inc (ALEC)
Transaction date
Planned sale
Price
25.00
Quantity 55,000 -2.6%
Value US$1,375,000
US Alector Inc (ALEC)
Transaction date
Planned sale
Price
25.00
Quantity 15,000 -2.2%
Value US$375,000
US Alector Inc (ALEC)
Transaction date
Planned sale
Price
25.00
Quantity 15,000 -2.2%
Value US$375,000
US Alector Inc (ALEC)
Transaction date
Planned sale
Price
25.00
Quantity 15,000 -2.2%
Value US$375,000
US Alector Inc (ALEC)
Transaction date
Planned sale
Price
25.00
Quantity 55,000 -2.6%
Value US$1,375,000
US Alector Inc (ALEC)
Transaction date
Planned sale
Price
25.00
Quantity 15,000 -2.2%
Value US$375,000
US Alector Inc (ALEC)
Transaction date
Planned sale
Price
25.00
Quantity 15,000 -2.2%
Value US$375,000
US Alector Inc (ALEC)
Transaction date
Planned sale
Price
25.00
Quantity 15,000 -2.2%
Value US$375,000
US Alector Inc (ALEC)
Transaction date
Planned sale
Price
25.00
Quantity 55,000 -2.5%
Value US$1,375,000
US Alector Inc (ALEC)
Transaction date
Planned sale
Price
25.00
Quantity 15,000 -2.2%
Value US$375,000
US Alector Inc (ALEC)
Transaction date
Planned sale
Price
25.00
Quantity 15,000 -2.2%
Value US$375,000
US Alector Inc (ALEC)
Transaction date
Planned sale
Price
25.00
Quantity 15,000 -2.2%
Value US$375,000
US Alector Inc (ALEC)
Transaction date
Planned sale
Price
25.00
Quantity 55,000 -2.4%
Value US$1,375,000
US Alector Inc (ALEC)
Transaction date
Planned sale
Price
25.00
Quantity 15,000 -2.1%
Value US$375,000
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-09-04 2026-09-03
US Alector Inc (ALEC)
S Sale
45,692 +3.5%
494.80
US$2,300,856 		45,692 +3.5% 494.80 US$2,300,856
2026-09-01 2026-09-02
US Alector Inc (ALEC)
PrS Proposed sale
12,936
182.53
US$2,946,895 		12,936 182.53 US$2,946,895
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
67,572
2.07
US$139,874 		67,572 2.07 US$139,874
2026-03-03 2026-03-02
US Alector Inc (ALEC)
S Sale
81,864 -3.4%
2.12
US$173,822 		81,864 -3.4% 2.12 US$173,822
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