Jeff Black

Track

Insider profile

Currently holds positions in Alphatec Holdings, Inc. and BASF Enzymes LLC

Performance

Overall performance
3.6
Performance over holding periods
4.2
30 days 90 days 120 days
Average return 4% 8.2% 15.1%
Success rate 31% 68% 82%
Transactions
10 60% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Performance for realised trades
4.4
Average return 213%
Success rate 73%
Average holding period 220
Transactions 28
Ranking by realised performance

Positions

Position Company Period
Chief Financial Officer, Executive Vice President Alphatec Holdings, Inc. March 6, 2017 -
Chief Financial Officer, Senior Vice President BASF Enzymes LLC March 31, 2011 -
Jeff Black's trades of Exagen 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 Exagen Inc (XGN)
Transaction date
Sale
Price
391.58
Quantity 19,837 +14.5%
Value US$1,521,837
US Exagen Inc (XGN)
Transaction date
Sale
Price
28.28
Quantity 3,209 -11.3%
Value US$1,866,607
US Exagen Inc (XGN)
Transaction date
Sale
Price
478.10
Quantity 28,815 -44.6%
Value US$1,094,439
US Exagen Inc (XGN)
Transaction date
Purchase
Price
2.98
Quantity 22,298 +8.8%
Value US$66,448
Transaction date
Proposed sale
Price
2.12
Quantity 57,971
Value US$123,098
Transaction date
Sale
Price
6.42
Quantity 5,000 -0.8%
Value US$32,100
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-09-02 2026-09-01
US Exagen Inc (XGN)
S Sale
19,837 +14.5%
391.58
US$1,521,837 		19,837 +14.5% 391.58 US$1,521,837
2026-02-25 2026-02-24
US Exagen Inc (XGN)
S Sale
3,209 -11.3%
28.28
US$1,866,607 		3,209 -11.3% 28.28 US$1,866,607
2025-09-04 2025-09-02
US Exagen Inc (XGN)
S Sale
28,815 -44.6%
478.10
US$1,094,439 		28,815 -44.6% 478.10 US$1,094,439
2024-11-19 2024-11-15
US Exagen Inc (XGN)
B Purchase
22,298 +8.8%
2.98
US$66,448 		22,298 +8.8% 2.98 US$66,448
2024-11-12 2024-11-12
PrS Proposed sale
57,971
2.12
US$123,098 		57,971 2.12 US$123,098
2023-05-22 2023-05-19
B Purchase
42,492 +97.7%
2.29
US$97,213 		42,492 +97.7% 2.29 US$97,213
2023-05-22 2023-05-18
B Purchase
43,492 +inf%
2.22
US$96,365 		43,492 +inf% 2.22 US$96,365
2022-03-01 2022-03-01
B Purchase
10,000 +3.9%
6.20
US$62,000 		10,000 +3.9% 6.20 US$62,000
2022-03-01 2022-02-28
B Purchase
15,000 +6.2%
5.66
US$84,900 		15,000 +6.2% 5.66 US$84,900
2022-03-01 2022-02-25
B Purchase
15,000 +6.7%
5.48
US$82,200 		15,000 +6.7% 5.48 US$82,200
2021-03-10 2021-03-09
PlS Planned sale
7,000 -1.1%
16.69
US$116,830 		7,000 -1.1% 16.69 US$116,830
2021-02-18 2021-02-16
PlS Planned sale
25,000 -3.8%
16.28
US$407,000 		25,000 -3.8% 16.28 US$407,000
2020-08-13 2020-08-11
S Sale
5,000 -0.8%
6.42
US$32,100 		5,000 -0.8% 6.42 US$32,100
2020-08-06 2020-08-04
PlS Planned sale
8,929 -1.3%
5.03
US$44,913 		8,929 -1.3% 5.03 US$44,913
2020-03-12 2020-03-10
PlS Planned sale
6,563 -1.3%
5.08
US$33,307 		6,563 -1.3% 5.08 US$33,307