| SC 13D/A | 2023-07-31 | GAMCO INVESTORS, INC. ET AL | AEROJET ROCKETDYNE HOLDINGS, INC. | - | 0.0% | EDGAR |
| SC 13D/A | 2023-07-27 | STEEL PARTNERS HOLDINGS L.P. | AEROJET ROCKETDYNE HOLDINGS, INC. | 2,665,236 | 3.3% | EDGAR |
| SC 13D/A | 2023-05-03 | GAMCO INVESTORS, INC. ET AL | AEROJET ROCKETDYNE HOLDINGS, INC. | 1,670,648 | 2.1% | EDGAR |
| SC 13D/A | 2023-05-02 | STEEL PARTNERS HOLDINGS L.P. | AEROJET ROCKETDYNE HOLDINGS, INC. | 3,598,744 | 4.5% | EDGAR |
| SC 13G/A | 2023-02-09 | VANGUARD GROUP INC | AEROJET ROCKETDYNE HOLDINGS, INC. | 8,234,817 | 10.2% | EDGAR |
| SC 13G/A | 2023-02-08 | MILLENNIUM MANAGEMENT LLC | AEROJET ROCKETDYNE HOLDINGS, INC. | 1,634,457 | 2.0% | EDGAR |
| SC 13G/A | 2023-01-26 | BlackRock Inc. | AEROJET ROCKETDYNE HOLDINGS, INC. | 12,897,322 | 16.0% | EDGAR |
| SC 13G/A | 2023-01-20 | BlackRock Inc. | AEROJET ROCKETDYNE HOLDINGS, INC. | 12,897,322 | 16.0% | EDGAR |
| SC 13D/A | 2022-09-08 | GAMCO INVESTORS, INC. ET AL | AEROJET ROCKETDYNE HOLDINGS, INC. | 1,873,699 | 2.3% | EDGAR |
| SC 13D/A | 2022-07-07 | STEEL PARTNERS HOLDINGS L.P. | AEROJET ROCKETDYNE HOLDINGS, INC. | 3,949,496 | 4.9% | EDGAR |
| SC 13D/A | 2022-06-06 | STEEL PARTNERS HOLDINGS L.P. | AEROJET ROCKETDYNE HOLDINGS, INC. | 3,949,496 | 4.9% | EDGAR |
| SC 13D/A | 2022-05-19 | STEEL PARTNERS HOLDINGS L.P. | AEROJET ROCKETDYNE HOLDINGS, INC. | 3,949,496 | 4.9% | EDGAR |
| SC 13D/A | 2022-04-28 | STEEL PARTNERS HOLDINGS L.P. | AEROJET ROCKETDYNE HOLDINGS, INC. | 3,949,496 | 4.9% | EDGAR |
| SC 13D/A | 2022-04-25 | STEEL PARTNERS HOLDINGS L.P. | AEROJET ROCKETDYNE HOLDINGS, INC. | 3,949,496 | 4.9% | EDGAR |
| SC 13G | 2022-03-18 | MILLENNIUM MANAGEMENT LLC | AEROJET ROCKETDYNE HOLDINGS, INC. | 4,323,063 | 5.4% | EDGAR |
| SC 13G/A | 2022-03-11 | BlackRock Inc. | AEROJET ROCKETDYNE HOLDINGS, INC. | 12,286,067 | 15.3% | EDGAR |
| SC 13D/A | 2022-02-25 | STEEL PARTNERS HOLDINGS L.P. | AEROJET ROCKETDYNE HOLDINGS, INC. | 3,949,496 | 4.9% | EDGAR |
| SC 13G/A | 2022-02-09 | VANGUARD GROUP INC | AEROJET ROCKETDYNE HOLDINGS, INC. | 8,071,724 | 10.0% | EDGAR |
| SC 13D/A | 2022-02-08 | STEEL PARTNERS HOLDINGS L.P. | AEROJET ROCKETDYNE HOLDINGS, INC. | 3,949,496 | 4.9% | EDGAR |
| SC 13G | 2022-02-08 | BlackRock Inc. | AEROJET ROCKETDYNE HOLDINGS, INC. | 12,286,067 | 15.3% | EDGAR |