Table S1.

List of mechanical parameters obtained by fitting the continuum model to the experimental data on droplet shape dynamics

Event	Filamin, mol %	$\omega ={\gamma }_A/{\gamma }_I$	${\gamma }_I/\eta$, $\mathrm{\mu }\text{m}/\text{s}$	$L_{\text{equilibrium}}$, $\mathrm{\mu }\text{m}$
Coalescence	5	1.90 ± 0.53	0.14 ± 0.02	2.74 ± 0.52
Coalescence	10	1.87 ± 0.07	0.11 ± 0.03	6.04 ± 0.38
Contraction	2.5	23.9 ± 14.4	2.5 ± 0.9$\hspace{0.17em}$ $\times {10}^{-3}$	5.77 ± 0.55
Contraction	5	11.9 ± 5.48	4.5 ± 0.7 $\times {10}^{-3}$	5.87 ± 2.01
Contraction	10	15.0 ± 7.78	3.5 ± 0.7 $\times {10}^{-3}$	5.68 ± 0.54