NKTR

Insider Transactions

Buys (12mo)
20
Sells (12mo)
34
Buy Value (12mo)
$14.03M
Net (12mo)
$10.70M
DateInsiderTitleTypePriceSharesValueOwned After
Jul 24, 26Zalevsky JonathanOfficerPurchase$15.1516.50K$249.97K16.50K
Jul 24, 26ROBIN HOWARD WCEOPurchase$15.1557.20K$866.58K57.20K
Jun 30, 26Zalevsky JonathanOfficerSale$70.005.68K$397.67K9.76K
Jun 16, 26ROBIN HOWARD WCEOSale$59.975.30K$318.02K69.74K
Jun 16, 26ROBIN HOWARD WCEOSale$60.714.70K$285.15K65.05K
Jun 17, 26ROBIN HOWARD WCEOSale$60.815.50K$334.45K59.55K
Jun 17, 26ROBIN HOWARD WCEOSale$61.654.50K$277.43K55.05K
Jun 15, 26Zalevsky JonathanOfficerSale$60.715.54K$336.21K15.44K
May 15, 26Rubinstein Linda M--Sale--------
May 19, 26Zalevsky JonathanOfficerSale$65.51199$13.04K20.98K
May 19, 26ROBIN HOWARD WCEOSale$65.51444$29.09K75.05K
Feb 18, 26Zalevsky JonathanOfficerSale$73.00180$13.14K21.17K
Feb 18, 26ROBIN HOWARD WCEOSale$73.00423$30.88K75.49K
Jan 20, 26Zalevsky JonathanOfficerSale$35.673.87K$137.94K21.35K
Dec 22, 25Zalevsky JonathanOfficerPurchase--6.25K--25.22K
Dec 22, 25Zalevsky JonathanOfficerPurchase$43.4825.00K$1.09M25.00K
Dec 22, 25ROBIN HOWARD WCEOPurchase$43.4886.67K$3.77M86.67K
Dec 22, 25ROBIN HOWARD WCEOPurchase--21.67K--75.91K
Nov 21, 25Zalevsky JonathanOfficerPurchase--2.67K--20.13K
Nov 25, 25Zalevsky JonathanOfficerSale$54.281.16K$62.80K18.97K
Nov 21, 25Zalevsky JonathanOfficerPurchase$281.254.77K$1.34M4.77K
Nov 21, 25Wilson Mark AndrewOfficerPurchase--1.90K--22.21K
Nov 25, 25Wilson Mark AndrewOfficerSale$54.28630$34.20K21.59K
Nov 21, 25Wilson Mark AndrewOfficerPurchase$281.253.40K$956.25K3.40K
Nov 21, 25ROBIN HOWARD WCEOPurchase--7.11K--56.45K
Nov 25, 25ROBIN HOWARD WCEOSale$54.282.21K$119.80K54.24K
Nov 21, 25ROBIN HOWARD WCEOPurchase$281.2512.17K$3.42M12.17K
Sep 30, 25WHITFIELD ROY ACTOPurchase$56.908.00K$455.20K8.00K
Sep 30, 25GREER R SCOTTCTOPurchase$56.908.00K$455.20K8.00K
Sep 30, 25CHESS ROBERTCTOPurchase$56.908.00K$455.20K8.00K
Sep 30, 25Brainard DianaCTOPurchase$56.908.00K$455.20K8.00K
Sep 30, 25Ajer Jeffrey RobertCTOPurchase$56.908.00K$455.20K8.00K
Sep 9, 25ROBIN HOWARD WCEOSale$45.162.10K$94.84K53.91K
Sep 9, 25ROBIN HOWARD WCEOSale$46.411.20K$55.69K52.71K
Sep 9, 25ROBIN HOWARD WCEOSale$47.492.16K$102.39K50.55K
Sep 9, 25ROBIN HOWARD WCEOSale$48.181.21K$58.30K49.34K
Sep 4, 25Zalevsky JonathanOfficerSale$32.43793$25.72K18.39K
Sep 4, 25Zalevsky JonathanOfficerSale$33.60432$14.52K17.96K
Sep 4, 25Zalevsky JonathanOfficerSale$34.41189$6.50K17.77K
Sep 4, 25Zalevsky JonathanOfficerSale$35.69307$10.96K17.46K
Sep 4, 25ROBIN HOWARD WCEOSale$32.371.92K$62.25K65.92K
Sep 4, 25ROBIN HOWARD WCEOSale$33.541.50K$50.18K64.42K
Sep 4, 25ROBIN HOWARD WCEOSale$34.40613$21.09K63.81K
Sep 4, 25ROBIN HOWARD WCEOSale$35.801.13K$40.60K62.67K
Sep 5, 25ROBIN HOWARD WCEOSale$37.873.30K$125.12K59.37K
Sep 5, 25ROBIN HOWARD WCEOSale$38.822.23K$86.41K57.14K
Sep 5, 25ROBIN HOWARD WCEOSale$39.891.14K$45.32K56.01K
Sep 2, 25Zalevsky JonathanOfficerSale$30.10485$14.60K19.18K
Sep 2, 25ROBIN HOWARD WCEOSale$30.161.50K$45.24K67.84K
Aug 19, 25Zalevsky JonathanOfficerSale$26.59725$19.28K19.67K
Aug 19, 25Zalevsky JonathanOfficerPurchase$0.5016.67K$8.33K16.67K
Aug 19, 25Wilson Mark AndrewOfficerPurchase$0.5021.67K$10.83K21.67K
Aug 19, 25Wilson Mark AndrewOfficerSale$26.59676$17.97K20.31K
Aug 19, 25ROBIN HOWARD WCEOPurchase$0.5086.67K$43.33K86.67K
Aug 19, 25ROBIN HOWARD WCEOSale$26.591.57K$41.83K69.34K
May 19, 25Zalevsky JonathanOfficerSale$0.6710.71K$7.18K305.89K
May 19, 25Wilson Mark AndrewOfficerSale$0.6710.00K$6.70K314.30K
May 19, 25ROBIN HOWARD WCEOSale$0.6723.21K$15.55K1.06M
Feb 19, 25Zalevsky JonathanOfficerSale$1.0110.30K$10.40K316.60K
Feb 19, 25Wilson Mark AndrewOfficerSale$1.0111.04K$11.15K324.29K
Feb 19, 25ROBIN HOWARD WCEOSale$1.0123.77K$24.01K1.09M
Sep 18, 24WHITFIELD ROY ACTOPurchase$1.26120.00K$151.20K120.00K
Sep 18, 24GREER R SCOTTCTOPurchase$1.26120.00K$151.20K120.00K
Sep 18, 24CHESS ROBERTCTOPurchase$1.26120.00K$151.20K120.00K
Sep 18, 24Brainard DianaCTOPurchase$1.26120.00K$151.20K120.00K
Sep 18, 24Ajer Jeffrey RobertCTOPurchase$1.26120.00K$151.20K120.00K
Dec 23, 24Wilson Mark AndrewOfficerSale$0.9033.40K$30.06K351.89K
Dec 24, 24Wilson Mark AndrewOfficerSale$0.8916.56K$14.74K335.33K
Dec 19, 24Zalevsky JonathanOfficerSale$0.9451.12K$48.05K326.90K
Dec 17, 24ROBIN HOWARD WCEOSale$1.0146.99K$47.46K1.20M
Dec 18, 24ROBIN HOWARD WCEOSale$0.9985.03K$84.18K1.11M
Dec 13, 24Zalevsky JonathanOfficerPurchase--135.00K--378.02K
Dec 13, 24Zalevsky JonathanOfficerPurchase$1.01375.00K$378.75K375.00K
Dec 13, 24Zalevsky JonathanOfficerPurchase$4.91270.00K$1.33M270.00K
Dec 13, 24Wilson Mark AndrewOfficerPurchase--165.94K--385.29K
Dec 13, 24Wilson Mark AndrewOfficerPurchase$4.91331.88K$1.63M331.88K
Dec 13, 24Wilson Mark AndrewOfficerPurchase$1.01325.00K$328.25K325.00K
Dec 13, 24ROBIN HOWARD WCEOPurchase$1.011.30M$1.31M1.30M
Dec 13, 24ROBIN HOWARD WCEOPurchase--410.63K--1.24M
Dec 13, 24ROBIN HOWARD WCEOPurchase$4.91821.25K$4.03M821.25K
Nov 19, 24Zalevsky JonathanOfficerSale$1.017.79K$7.86K243.02K
Nov 19, 24Wilson Mark AndrewOfficerSale$1.016.41K$6.47K218.86K
Nov 19, 24ROBIN HOWARD WCEOSale$1.0116.28K$16.44K832.08K
Aug 19, 24Zalevsky JonathanOfficerSale$1.286.87K$8.79K250.80K
Aug 19, 24Wilson Mark AndrewOfficerSale$1.285.65K$7.23K225.26K
Aug 19, 24ROBIN HOWARD WCEOSale$1.2814.88K$19.05K848.36K
Jun 14, 24CHESS ROBERTCTOSale$1.2019.50K$23.40K255.27K
May 17, 24ROBIN HOWARD WCEOSale$1.7516.65K$29.14K863.24K
May 17, 24Zalevsky JonathanOfficerSale$1.757.36K$12.87K257.67K
May 17, 24Wilson Mark AndrewOfficerSale$1.756.26K$10.96K230.41K
May 10, 24Deep Track Capital, LP10 percent ownerSale$1.7856.00K$99.63K18.34M
Mar 5, 24Deep Track Capital, LP10 percent ownerSale------18.40M
Feb 20, 24Zalevsky JonathanOfficerSale$0.689.01K$6.13K265.02K
Feb 20, 24Wilson Mark AndrewOfficerSale$0.687.61K$5.17K236.67K
Feb 20, 24ROBIN HOWARD WCEOSale$0.6820.03K$13.62K879.89K
Dec 13, 23Zalevsky JonathanOfficerPurchase$0.50250.00K$125.00K250.00K
Dec 13, 23Wilson Mark AndrewOfficerPurchase$0.50325.00K$162.50K325.00K
Dec 13, 23ROBIN HOWARD WCEOPurchase$0.501.30M$650.00K1.30M
Nov 17, 23Zalevsky JonathanOfficerSale$0.499.65K$4.73K274.04K
Nov 17, 23Wilson Mark AndrewOfficerSale$0.497.18K$3.52K243.78K
Nov 17, 23ROBIN HOWARD WCEOSale$0.4919.88K$9.74K899.92K
Sep 19, 23GREER R SCOTTCTOPurchase$0.6885.00K$57.80K85.00K
Sep 19, 23WHITFIELD ROY ACTOPurchase$0.6885.00K$57.80K85.00K
Sep 19, 23Curet MyriamCTOPurchase$0.6885.00K$57.80K85.00K
Sep 18, 23Curet MyriamCTOSale$0.694.36K$3.01K27.42K
Sep 22, 22CHESS ROBERTCTOSale$0.6710.20K$6.83K274.77K
Sep 19, 23CHESS ROBERTCTOPurchase$0.6885.00K$57.80K85.00K
Sep 19, 23Brainard DianaCTOPurchase$0.6885.00K$57.80K85.00K
Sep 19, 23Ajer Jeffrey RobertCTOPurchase$0.6885.00K$57.80K85.00K
Sep 18, 23Ajer Jeffrey RobertCTOSale$0.694.36K$3.01K34.15K
Aug 16, 23Zalevsky JonathanOfficerSale$0.789.70K$7.57K283.69K
Aug 16, 23Wilson Mark AndrewOfficerSale$0.787.22K$5.63K250.96K
Aug 16, 23ROBIN HOWARD WCEOSale$0.7820.00K$15.60K919.80K
Jun 14, 23WHITFIELD ROY ACTOSale$0.5730.00K$17.10K216.25K
May 16, 23Zalevsky JonathanOfficerSale$0.729.79K$7.05K293.39K
May 16, 23Wilson Mark AndrewOfficerSale$0.727.54K$5.43K257.68K
May 16, 23ROBIN HOWARD WCEOSale$0.7220.36K$14.66K939.80K
Apr 17, 23GARDINER SANDRA A.OfficerSale--------
Feb 16, 23Zalevsky JonathanOfficerSale$3.0010.48K$31.45K303.18K
Feb 16, 23Wilson Mark AndrewOfficerSale$3.008.28K$24.82K265.22K
Feb 16, 23Thomsen Jillian B.CFOSale$3.0010.27K$30.80K313.50K
Feb 16, 23ROBIN HOWARD WCEOSale$3.0019.64K$58.91K960.16K
Nov 16, 22Zalevsky JonathanOfficerSale$3.5713.46K$48.05K313.66K
Nov 16, 22Wilson Mark AndrewOfficerSale$3.578.69K$31.02K272.50K
Nov 16, 22Thomsen Jillian B.CFOSale$3.5711.10K$39.61K323.76K
Nov 16, 22ROBIN HOWARD WCEOSale$3.5738.01K$135.71K979.79K
Sep 23, 22Curet MyriamCTOSale$3.164.20K$13.27K31.78K
Sep 23, 22Ajer Jeffrey RobertCTOSale$3.164.20K$13.27K38.51K
Sep 22, 22CHESS ROBERTCTOSale$3.195.10K$16.27K228.18K
Sep 16, 22WHITFIELD ROY ACTOPurchase--10.20K--246.25K
Sep 16, 22WHITFIELD ROY ACTOPurchase$3.4720.40K$70.79K20.40K
Sep 16, 22EASTHAM KARINCTOPurchase--10.20K--23.23K
Sep 16, 22EASTHAM KARINCTOPurchase$3.4720.40K$70.79K20.40K
Sep 16, 22Curet MyriamCTOPurchase--10.20K--35.98K
Sep 16, 22Curet MyriamCTOPurchase$3.4720.40K$70.79K20.40K
Sep 16, 22CHESS ROBERTCTOPurchase--10.20K--233.28K
Sep 16, 22CHESS ROBERTCTOPurchase$3.4720.40K$70.79K20.40K
Sep 16, 22Brainard DianaCTOPurchase--10.20K--28.56K
Sep 16, 22Brainard DianaCTOPurchase$3.4720.40K$70.79K20.40K
Sep 16, 22Ajer Jeffrey RobertCTOPurchase--10.20K--42.71K
Sep 16, 22Ajer Jeffrey RobertCTOPurchase$3.4720.40K$70.79K20.40K
Sep 13, 22EASTHAM KARINCTOSale$3.6121.27K$76.77K13.03K
Aug 18, 22Zalevsky JonathanOfficerSale$4.6573.72K$342.78K327.12K
Aug 15, 22Zalevsky JonathanOfficerPurchase--135.00K--411.40K
Aug 15, 22Zalevsky JonathanOfficerSale$4.7610.56K$50.27K400.84K
Aug 15, 22Zalevsky JonathanOfficerPurchase$4.91270.00K$1.33M270.00K
Aug 15, 22Wilson Mark AndrewOfficerPurchase$4.91331.88K$1.63M331.88K
Aug 15, 22Wilson Mark AndrewOfficerPurchase--165.94K--284.38K
Aug 15, 22Wilson Mark AndrewOfficerSale$4.763.19K$15.18K281.19K
Aug 15, 22Thomsen Jillian B.OfficerSale$4.762.01K$9.55K334.86K
Aug 15, 22Thomsen Jillian B.OfficerPurchase--331.88K--331.88K
Aug 15, 22ROBIN HOWARD WCEOPurchase--410.63K--1.03M
Aug 15, 22ROBIN HOWARD WCEOSale$4.7613.76K$65.49K1.02M
Aug 15, 22ROBIN HOWARD WCEOPurchase--821.25K--821.25K
Aug 15, 22ROBIN HOWARD WCEOPurchase$4.91821.25K$4.03M821.25K
May 15, 22Zalevsky JonathanOfficerPurchase--23.95K--298.07K
May 15, 22Zalevsky JonathanOfficerSale$3.9521.67K$85.61K276.40K
May 16, 22Wilson Mark AndrewOfficerSale$3.953.14K$12.39K117.94K
May 15, 22Thomsen Jillian B.OfficerPurchase--10.95K--176.27K
May 15, 22Thomsen Jillian B.OfficerSale$3.955.84K$23.07K170.43K
May 15, 22ROBIN HOWARD WCEOPurchase--68.45K--657.47K
May 15, 22ROBIN HOWARD WCEOSale$3.9536.53K$144.29K620.94K
May 16, 22NORTHCOTT JOHNOfficerSale$3.954.59K$18.14K223.21K
May 15, 22Labrucherie Gil MCFOPurchase--28.75K--330.35K
May 15, 22Labrucherie Gil MCFOSale$3.9517.45K$68.92K312.90K
Feb 16, 22Zalevsky JonathanOfficerSale$10.9510.91K$119.49K274.12K
Feb 16, 22Wilson Mark AndrewOfficerSale$10.953.66K$40.09K121.08K
Feb 16, 22Thomsen Jillian B.OfficerSale$10.952.36K$25.87K165.32K
Feb 16, 22ROBIN HOWARD WCEOSale$10.9512.48K$136.66K589.02K
Feb 16, 22NORTHCOTT JOHNOfficerSale$10.954.85K$53.13K227.80K
Feb 16, 22Labrucherie Gil MCFOSale$10.957.58K$82.99K301.60K
Dec 16, 21Zalevsky JonathanOfficerPurchase--52.95K--285.03K
Dec 16, 21Zalevsky JonathanOfficerPurchase$13.2294.00K$1.24M94.00K
Dec 16, 21Wilson Mark AndrewOfficerPurchase--37.80K--124.74K
Dec 16, 21Wilson Mark AndrewOfficerPurchase$13.2267.15K$887.72K67.15K
Dec 16, 21Thomsen Jillian B.OfficerPurchase--21.20K--167.68K
Dec 16, 21Thomsen Jillian B.OfficerPurchase$13.2237.60K$497.07K37.60K
Dec 16, 21ROBIN HOWARD WCEOPurchase--126.05K--601.50K
Dec 16, 21ROBIN HOWARD WCEOPurchase$13.22223.75K$2.96M223.75K
Dec 16, 21NORTHCOTT JOHNOfficerPurchase--37.80K--232.65K
Dec 16, 21NORTHCOTT JOHNOfficerPurchase$13.2267.15K$887.72K67.15K
Dec 16, 21Labrucherie Gil MCFOPurchase--52.95K--309.18K
Dec 16, 21Labrucherie Gil MCFOPurchase$13.2294.00K$1.24M94.00K
Nov 15, 21Labrucherie Gil MOfficerSale--------
Nov 16, 21Labrucherie Gil MCFOSale$13.1621.15K$278.32K259.68K
Nov 18, 21Labrucherie Gil MCFOSale$12.693.00K$38.07K256.68K
Nov 15, 21Zalevsky JonathanOfficerPurchase--40.15K--252.95K
Nov 16, 21Zalevsky JonathanOfficerSale$13.1620.87K$274.64K232.08K
Nov 15, 21Wilson Mark AndrewOfficerPurchase--20.10K--93.00K
Nov 16, 21Wilson Mark AndrewOfficerSale$13.166.56K$86.38K86.44K
Nov 15, 21Thomsen Jillian B.OfficerPurchase--14.90K--152.72K
Nov 16, 21Thomsen Jillian B.OfficerSale$13.166.74K$88.71K145.98K
Nov 15, 21ROBIN HOWARD WCEOPurchase--94.10K--518.22K
Nov 16, 21ROBIN HOWARD WCEOSale$13.1642.77K$562.89K475.45K
Nov 16, 21NORTHCOTT JOHNOfficerSale$13.166.06K$79.76K194.85K
Nov 15, 21Labrucherie Gil MCFOPurchase--40.15K--280.83K
Nov 11, 21Brainard DianaCTOPurchase$13.5536.72K$497.56K36.72K
Nov 11, 21Brainard DianaCTOPurchase--18.36K--18.36K
Nov 11, 21Brainard DianaCTOSale--------
Nov 9, 21GREER R SCOTTCTOPurchase$12.8012.50K$160.00K293.37K
Data is provided for informational purposes only and does not constitute investment advice. Past performance is not indicative of future results.