InsidersTradesSigma
Total declarations
Companies
▲ Purchases (13 ops.)
▼ Sales (1 ops.)
Insider track record
OtherDisclosed buys
13
Disclosed sells
1
T+90 hit rate
0%
T+90 mean return
-39.8%
Across 2 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Discover the detailed record of transactions filed by Zakrzewski Joseph S. Officer active across 5 companies, notably Cyteir Therapeutics, Inc.. Cumulatively, 23 filings have been published. Breakdown: 13 buys · 1 sell. Total volume traded: €2m. Activity tracked since 15 December 2021. The latest transaction was disclosed on 10 April 2025 (Attribution). Regulator: SEC (Form 4). All data is free.
Declarations23 total
10,523 shares0Common StockSEC:0000950170-25-053373:0
9,816 shares0Common StockSEC:0000950170-24-139793:0
2,000 shares@ US$1.400.2% of flowCommon StockSEC:0000950170-24-131499:0
Ideal exit: 24 Aug 2025 (T+270)
20,000 shares@ US$0.99981.1% of flowCommon StockSEC:0000950170-24-129248:0
Ideal exit: 15 Aug 2025 (T+270)
14,150 shares@ US$1.6912.2% of flowCommon StockSEC:0001209191-24-002992:0
100,000 shares@ US$19.114198.8% of flowCommon StockSEC:0000950170-24-005900:0
21,202 shares@ US$1.3014.4% of flowCommon StockSEC:0001209191-22-060377:0
Ideal exit: 3 Sept 2023 (T+270)
743 shares@ US$1.610.9% of flowCommon StockSEC:0001209191-22-029135:0
Ideal exit: 6 Feb 2023 (T+270)
49,406 shares@ US$1.8966.2% of flowCommon StockSEC:0001209191-22-028574:0
Ideal exit: 4 Feb 2023 (T+270)
98,199 sharesCommon StockSEC:0000899243-22-012992:0
12,500 shares0Common StockSEC:0001209191-22-014161:0
200 shares@ US$9.871.0% of flowCommon StockSEC:0000899243-21-049973
Ideal exit: 19 Sept 2022 (T+270)
200 shares@ US$9.871.3% of flowCommon StockSEC:0000899243-21-049973:0
Ideal exit: 19 Sept 2022 (T+270)
200 shares@ US$9.881.0% of flowCommon StockSEC:0000899243-21-049198
Ideal exit: 13 Sept 2022 (T+270)
200 shares@ US$9.881.3% of flowCommon StockSEC:0000899243-21-049198:0
Ideal exit: 13 Sept 2022 (T+270)
10,000 shares@ US$3.268950.0% of flowOrdinary SharesSEC:0001562180-21-007737
Ideal exit: 10 Sept 2022 (T+270)
10,000 shares@ US$3.26890.0095% mcap50.0% of flowOrdinary SharesSEC:0001562180-21-007737:0
Ideal exit: 10 Sept 2022 (T+270)
2,000 shares@ US$10.4710.2% of flowCommon StockSEC:0000899243-21-048432
Ideal exit: 11 Sept 2022 (T+270)
2,000 shares@ US$10.4713.9% of flowCommon StockSEC:0000899243-21-048432:0
Ideal exit: 11 Sept 2022 (T+270)
34,499 sharesCommon StockSEC:0001104659-21-142280:0
34,499 sharesCommon StockSEC:0001104659-21-142280
58,671 sharesCommon StockSEC:0000899243-21-025827
58,671 sharesCommon StockSEC:0000899243-21-025827:0
23 of 23 declarations
About Zakrzewski Joseph S
Joseph S Zakrzewski is an executive at Cyteir Therapeutics, Inc.
