History: Team 4

Team 4 was AKB48's 4th Team.

2010[]

December 8 - Nagao Mariya, Nakamura Mariko, Yamauchi Suzuran, Shimada Haruka, Takeuchi Miyu, Oba Mina, Shimazaki Haruka, Mori Anna are promoted to a unknown Team.

February 12 - Nakamata Shiori promoted
May 30 - Ichikawa Miori promoted
June 6 - Team 4 is officially formed
June 24 -
- Abe Maria and Iriyama Anna promoted
- Oba Mina choosen as captain of the Team
September 2 - Oba Mina is suspended
- Mori Anna graduates from AKB48
- Shimada Haruka is choosen as a temporary captain.
October 10 - Shonichi of Team 4 1st Stage

January 4 - Oba Mina reinstated as captain
March 13 - Iwata Karen, Kato Rena, Kawaei Rina, Takahashi Juri, Tano Yuuka promoted
August 24 - Tokyo Dome Team Shuffle (Team 4 official disband)
- Iriyama Anna, Iwata Karen, Kawaei Rina, Takahashi Juri, Tano Yuka and Nakamata Shiori transferred to Team A
- Abe Maria, Shimada Haruka and Nagao Mariya transferred to Team K
- Ichikawa Miori, Oba Mina, Kato Rena, Shimazaki Haruka, Takeuchi Miyu, Nakamura Mariko and Yamauchi Suzuran transferred to Team B
October 25 - Shenshuuraku of Team 4 1st Stage

August 24 - Team 4 is formed with 16 members: Aigasa Moe, Iwatate Saho, Umeta Ayano, Okada Ayaka, Kitazawa Saki, Shinozaki Ayana, Takashima Yurina, Murayama Yuiri, Mogi Shinobu, Hashimoto Hikari, Kojima Mako, Maeda Mitsuki, Nishino Miki, Okada Nana, Uchiyama Natsuki, Minegishi Minami
- Minegishi Minami choosen as captain of the Team.
November 3 - Shonichi of Team 4 2nd Stage

February 24 - AKB48 Group Daisokaku Matsuri (Minegishi Team 4)
- Minegishi Minami choosen as the captain of the Team
- Kizaki Yuria choosen as the vice-captain
- Okawa Rio, Komiyama Haruka, Sato Kiara, Tsuchiyasu Mizuki and Mukaichi Mion promoted
- Kotani Riho and Shibuya Nagisa to have concurrent positions in Team 4
- Omori Miyu, Kato Rena, Kobayashi Marina and Sasaki Yukari transferred to Team 4
- Aigasa Moe and Kojima Mako transferred to Team K
- Uchiyama Natsuki, Umeta Ayano and Hashimoto Hikari transferred to Team B
- Takashima Yurina transferred to Team KII
- Kizaki Yuria transferred to AKB48 (Team 4)
April 15 - Senshuuraku of Team 4 2nd Stage
April 24 - Shonichi of Team 4 3rd Stage
December 27 - Takashima Yurina graduates from AKB48

March 26 - AKB48 Spring Shuffle 2015 (Takahashi Team 4)
- Takahashi Juri choosen as the captain of the Team
- Owada Nana choosen as the vice-captain of the Team
- Kitagawa Ryoha to have a concurrent position in Team 4
- Kotani Riho's concurrent position revoked
- Ino Miyabi, Izuta Rina, Kawamoto Saya, Kojima Mako, Takahashi Juri, Tomonaga Mio, Natori Wakana and Nozawa Rena transferred to Team 4
- Sasaki Yukari transferred to Team A
- Shinozaki Ayana, Minegishi Minami, Mukaichi Mion and Mogi Shinobu transferred to Team K
- Kato Rena, Kizaki Yuria and Kobayashi Marina transferred to Team 4
June 24 - Tsuchiyasu Mizuki and Maeda Mitsuki graduate from AKB48
August 5 - Kobayashi Marina graduates from AKB48
August 24 - Senshuuraku of Team 4 3rd Stage
December 3 - Shonichi of Team 4 4th Stage
December 20 - Natori Wakana graduates from AKB48

March 27 - Nishino Miki graduated from AKB48
June 22 - Okada Ayaka graduated from AKB48
June 29 - Izuta Rina transferred to BNK48 (Team Kaigai)
September 27 - Chiba Eri promoted
December 8 - AKB48 Team Shuffle 2017 (Murayama Team 4)
- Murayama Yuiri choosen as the captain of the Team
- Asai Nanami, Inagaki Kaori, Taya Misaki and Yamauchi Mizuki promoted
- Utada Hatsuka, Onishi Momoka, Gyouten Yurina, Sato Nanami, Takaoka Kaoru, Takahashi Ayane, Takahashi Sayaka, Nagano Serika, Noda Hinano, Hama Sayuna, Hirano Hikaru and Miyazato Rira to have concurrent positions in Team 4
- Kitagawa Ryoha, Shibuya Nagisa and Tomonaga Mio's concurrent positions revoked
- Sakaguchi Nagisa, Tatsuya Makiho and Ma Chia-Ling transferred to Team 4
- Chiba Eri transferred to Team A
- Kojima Mako, Komiyama Haruka and Nozawa Rena transferred to Team K
- Iwatate Saho, Kitazawa Saki and Takahashi Juri transferred to Team B

March 22 - Kuramoto Miyuu graduated from AKB48
April 19 - AKB48 16th Anniversary Team Shuffle (Kuranoo Team 4)
- Kuranoo Narumi chosen as captian as the Team
- Okada Nana, Takahashi Sayaka, Ma Chia-Ling and Yoshihashi Yuzuka transferred to Team A
- Yamauchi Mizuki transferred to Team K
- Asai Nanami, Ishiwata Sena and Inagaki Kaori transferred to Team B
- Hama Sayuna, Onishi Momoka and Takahashi Ayane transferred concurrent positions to Team K
- Sakaguchi Nagisa and Hirano Hikaru transferred concurrent positions to Team B

July 30 - Utada Hatsuka graduated from AKB48
August 11 - Kawahara Misaki graduated from AKB48
August 21 - Omori Miyuu graduated from AKB48
August 24 - Yoshikawa Nanase graduated from AKB48
August 29 - Takaoka Kaoru graduated from AKB48
September 10 - Tada Kyoka graduated from AKB48
September 17 - Sato Kiara graduated from AKB48
October 1 - Yoshida Karen graduated from AKB48
October 17 - Team disbanded, all final members transferred to New Formation of AKB48 Regular Members