Insider · CIK 0001979659

Cowan William S. Jr.

Reports to the SEC for 1 company · GREENWOOD VILLAGE, CO

sec.gov

Transactions

Companies

Filings

CIK

0001979659

Forms 4 and 5

Insider transactions

15 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-07-22	National Storage Affiliates TrustC Conversion	Chief Strategy Officer	CConversion	+20.4K sh	—	—	20,374
2026-07-22	National Storage Affiliates TrustD Disposition to Issuer	Chief Strategy Officer	DDisposition to Issuer	−20.4K sh	—	—	0
2026-07-22	National Storage Affiliates TrustLTIP UnitsC Conversion	Chief Strategy Officer	CConversion	−141K sh	—	—	0
2026-07-22	National Storage Affiliates TrustClass A OP UnitsD Disposition to Issuer	Chief Strategy Officer	DDisposition to Issuer	−197K sh	—	—	0
2026-06-17	National Storage Affiliates TrustClass A OP UnitsC Conversion	Chief Strategy Officer	CConversion	+10.5K sh	—	—	197,016
2026-06-17	National Storage Affiliates TrustLTIP UnitsC Conversion	Chief Strategy Officer	CConversion	−10.5K sh	—	—	140,923
2026-05-21	National Storage Affiliates TrustLTIP UnitsC Conversion	Chief Strategy Officer	CConversion	−17.6K sh	—	—	151,394
2026-05-21	National Storage Affiliates TrustClass A OP UnitsC Conversion	Chief Strategy Officer	CConversion	+17.6K sh	—	—	197,016
2026-02-27	National Storage Affiliates TrustLTIP UnitsC Conversion	Chief Strategy Officer	CConversion	−7,074 sh	—	—	169,000
2026-02-27	National Storage Affiliates TrustClass A OP UnitsC Conversion	Chief Strategy Officer	CConversion	+7,074 sh	—	—	197,016
2026-02-27	National Storage Affiliates TrustClass A OP UnitsA Award	Chief Strategy Officer	AAward	+55.3K sh	—	—	197,016
2025-02-28	National Storage Affiliates TrustClass A OP UnitsA Award	Chief Strategy Officer	AAward	+43.2K sh	—	—	170,322
2024-12-02	National Storage Affiliates TrustClass A OP UnitsA Award	Chief Strategy Officer	AAward	+22.6K sh	—	—	127,106
2024-02-29	National Storage Affiliates TrustClass A OP UnitsA Award	Chief Strategy Officer	AAward	+37.7K sh	—	—	104,499
2023-06-05	National Storage Affiliates TrustClass A OP UnitsA Award	Chief Strategy Officer	AAward	+66.8K sh	—	—	66,836

Recent filings

Accepted (ET)
Jul 224
Cowan William S. Jr.0001104659-26-085899
SEC(opens sec.gov)
Jun 224
Cowan William S. Jr.0001628280-26-044617
SEC(opens sec.gov)
May 214
Cowan William S. Jr.0001628280-26-037261
SEC(opens sec.gov)
Mar 34
Cowan William S. Jr.0001628280-26-013809
SEC(opens sec.gov)
Mar 44
Cowan William S. Jr.0001628280-25-010066
SEC(opens sec.gov)
Dec 44
Cowan William S. Jr.0001628280-24-049912
SEC(opens sec.gov)
Mar 44
Cowan William S. Jr.0001628280-24-008684
SEC(opens sec.gov)
Jun 74
Cowan William S. Jr.0001628280-23-021301
SEC(opens sec.gov)

Companies

National Storage Affiliates TrustChief Strategy Officer

Address

C/O NATIONAL STORAGE AFFILIATES TRUST 8400 EAST PRENTICE AVENUE, 9TH FLOOR

GREENWOOD VILLAGE, CO, 80111